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Fix some static analysis issues

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Justine Tunney 2024-07-27 09:16:54 -07:00
parent fb54604b31
commit f147d3dde9
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GPG key ID: BE714B4575D6E328
30 changed files with 375 additions and 266 deletions
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173
libc/calls/calls.h
View file

@ -69,48 +69,49 @@ COSMOPOLITAN_C_START_
/*───────────────────────────────────────────────────────────────────────────│─╗ /*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § system calls ─╬─│┼ │ cosmopolitan § system calls ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/ ╚────────────────────────────────────────────────────────────────────────────│*/
/* clang-format off */
typedef int sig_atomic_t; typedef int sig_atomic_t;
bool32 isatty(int) libcesque; bool32 isatty(int) libcesque;
char *getcwd(char *, size_t) dontthrow; char *getcwd(char *, size_t) dontthrow __write_only(1, 2);
char *realpath(const char *, char *) libcesque __wur; char *realpath(const char *, char *) libcesque __wur __read_only(1) __write_only(2);
char *ttyname(int) libcesque; char *ttyname(int) libcesque;
int access(const char *, int) libcesque; int access(const char *, int) libcesque __read_only(1);
int chdir(const char *) libcesque; int chdir(const char *) libcesque __read_only(1);
int chmod(const char *, unsigned) libcesque; int chmod(const char *, unsigned) libcesque __read_only(1);
int chown(const char *, unsigned, unsigned) libcesque; int chown(const char *, unsigned, unsigned) libcesque __read_only(1);
int chroot(const char *) libcesque; int chroot(const char *) libcesque __read_only(1);
int close(int) libcesque; int close(int) libcesque;
int close_range(unsigned, unsigned, unsigned) libcesque; int close_range(unsigned, unsigned, unsigned) libcesque;
int closefrom(int) libcesque; int closefrom(int) libcesque;
int creat(const char *, unsigned) libcesque; int creat(const char *, unsigned) libcesque __read_only(1);
int dup(int) libcesque; int dup(int) libcesque;
int dup2(int, int) libcesque; int dup2(int, int) libcesque;
int dup3(int, int, int) libcesque; int dup3(int, int, int) libcesque;
int execl(const char *, const char *, ...) nullterminated() libcesque; int execl(const char *, const char *, ...) nullterminated() libcesque __read_only(1) __read_only(2);
int execle(const char *, const char *, ...) nullterminated((1)) libcesque; int execle(const char *, const char *, ...) nullterminated((1)) libcesque __read_only(1) __read_only(2);
int execlp(const char *, const char *, ...) nullterminated() libcesque; int execlp(const char *, const char *, ...) nullterminated() libcesque __read_only(1) __read_only(2);
int execv(const char *, char *const[]) libcesque; int execv(const char *, char *const[]) libcesque __read_only(1) __read_only(2);
int execve(const char *, char *const[], char *const[]) libcesque; int execve(const char *, char *const[], char *const[]) libcesque __read_only(1) __read_only(2) __read_only(3);
int execvp(const char *, char *const[]) libcesque; int execvp(const char *, char *const[]) libcesque __read_only(1) __read_only(2);
int faccessat(int, const char *, int, int) libcesque; int faccessat(int, const char *, int, int) libcesque __read_only(2);
int fchdir(int) libcesque; int fchdir(int) libcesque;
int fchmod(int, unsigned) libcesque; int fchmod(int, unsigned) libcesque;
int fchmodat(int, const char *, unsigned, int) libcesque; int fchmodat(int, const char *, unsigned, int) libcesque __read_only(2);
int fchown(int, unsigned, unsigned) libcesque; int fchown(int, unsigned, unsigned) libcesque;
int fchownat(int, const char *, unsigned, unsigned, int) libcesque; int fchownat(int, const char *, unsigned, unsigned, int) libcesque __read_only(2);
int fcntl(int, int, ...) libcesque; int fcntl(int, int, ...) libcesque;
int fdatasync(int) libcesque; int fdatasync(int) libcesque;
int fexecve(int, char *const[], char *const[]) libcesque; int fexecve(int, char *const[], char *const[]) libcesque __read_only(2) __read_only(3);
int flock(int, int) libcesque; int flock(int, int) libcesque;
int fork(void) libcesque; int fork(void) libcesque;
int fsync(int) libcesque; int fsync(int) libcesque;
int ftruncate(int, int64_t) libcesque; int ftruncate(int, int64_t) libcesque;
int getdomainname(char *, size_t) libcesque; int getdomainname(char *, size_t) libcesque __write_only(1, 2);
int getgroups(int, unsigned[]) libcesque; int getgroups(int, unsigned[]) libcesque __write_only(2, 1);
int gethostname(char *, size_t) libcesque; int gethostname(char *, size_t) libcesque __write_only(1, 2);
int getloadavg(double *, int) libcesque; int getloadavg(double *, int) libcesque __write_only(1, 2);
int getpgid(int) libcesque; int getpgid(int) libcesque;
int getpgrp(void) libcesque nosideeffect; int getpgrp(void) libcesque nosideeffect;
int getpid(void) libcesque nosideeffect; int getpid(void) libcesque nosideeffect;
@ -121,35 +122,35 @@ int ioctl(int, unsigned long, ...) libcesque;
int issetugid(void) libcesque; int issetugid(void) libcesque;
int kill(int, int) libcesque; int kill(int, int) libcesque;
int killpg(int, int) libcesque; int killpg(int, int) libcesque;
int lchmod(const char *, unsigned) libcesque; int lchmod(const char *, unsigned) libcesque __read_only(1);
int lchown(const char *, unsigned, unsigned) libcesque; int lchown(const char *, unsigned, unsigned) libcesque __read_only(1);
int link(const char *, const char *) libcesque; int link(const char *, const char *) libcesque __read_only(1) __read_only(2);
int linkat(int, const char *, int, const char *, int) libcesque; int linkat(int, const char *, int, const char *, int) libcesque __read_only(2) __read_only(4);
int mincore(void *, size_t, unsigned char *) libcesque; int mincore(void *, size_t, unsigned char *) libcesque __read_only(1) __write_only(3);
int mkdir(const char *, unsigned) libcesque; int mkdir(const char *, unsigned) libcesque __read_only(1);
int mkdirat(int, const char *, unsigned) libcesque; int mkdirat(int, const char *, unsigned) libcesque __read_only(2);
int mknod(const char *, unsigned, uint64_t) libcesque; int mknod(const char *, unsigned, uint64_t) libcesque __read_only(1);
int nice(int) libcesque; int nice(int) libcesque;
int open(const char *, int, ...) libcesque; int open(const char *, int, ...) libcesque __read_only(1);
int openat(int, const char *, int, ...) libcesque; int openat(int, const char *, int, ...) libcesque __read_only(2);
int pause(void) libcesque; int pause(void) libcesque;
int pipe(int[2]) libcesque; int pipe(int[2]) libcesque __write_only(1);
int pipe2(int[2], int) libcesque; int pipe2(int[2], int) libcesque __write_only(1);
int posix_fadvise(int, int64_t, int64_t, int) libcesque; int posix_fadvise(int, int64_t, int64_t, int) libcesque;
int posix_madvise(void *, uint64_t, int) libcesque; int posix_madvise(void *, uint64_t, int) libcesque __read_write(1);
int raise(int) libcesque; int raise(int) libcesque;
int reboot(int) libcesque; int reboot(int) libcesque;
int remove(const char *) libcesque; int remove(const char *) libcesque __read_only(1);
int rename(const char *, const char *) libcesque; int rename(const char *, const char *) libcesque __read_only(1) __read_only(2);
int renameat(int, const char *, int, const char *) libcesque; int renameat(int, const char *, int, const char *) libcesque __read_only(2) __read_only(4);
int rmdir(const char *) libcesque; int rmdir(const char *) libcesque __read_only(1);
int sched_yield(void) libcesque; int sched_yield(void) libcesque;
int setegid(unsigned) libcesque; int setegid(unsigned) libcesque;
int seteuid(unsigned) libcesque; int seteuid(unsigned) libcesque;
int setfsgid(unsigned) libcesque; int setfsgid(unsigned) libcesque;
int setfsuid(unsigned) libcesque; int setfsuid(unsigned) libcesque;
int setgid(unsigned) libcesque; int setgid(unsigned) libcesque;
int setgroups(size_t, const unsigned[]) libcesque; int setgroups(size_t, const unsigned[]) libcesque __read_only(2);
int setpgid(int, int) libcesque; int setpgid(int, int) libcesque;
int setpgrp(void) libcesque; int setpgrp(void) libcesque;
int setpriority(int, unsigned, int) libcesque; int setpriority(int, unsigned, int) libcesque;
@ -157,32 +158,32 @@ int setregid(unsigned, unsigned) libcesque;
int setreuid(unsigned, unsigned) libcesque; int setreuid(unsigned, unsigned) libcesque;
int setsid(void) libcesque; int setsid(void) libcesque;
int setuid(unsigned) libcesque; int setuid(unsigned) libcesque;
int shm_open(const char *, int, unsigned) libcesque; int shm_open(const char *, int, unsigned) libcesque __read_only(1);
int shm_unlink(const char *) libcesque; int shm_unlink(const char *) libcesque __read_only(1);
int sigignore(int) libcesque; int sigignore(int) libcesque;
int siginterrupt(int, int) libcesque; int siginterrupt(int, int) libcesque;
int symlink(const char *, const char *) libcesque; int symlink(const char *, const char *) libcesque __read_only(1) __read_only(2);
int symlinkat(const char *, int, const char *) libcesque; int symlinkat(const char *, int, const char *) libcesque __read_only(1) __read_only(3);
int tcgetpgrp(int) libcesque; int tcgetpgrp(int) libcesque;
int tcsetpgrp(int, int) libcesque; int tcsetpgrp(int, int) libcesque;
int truncate(const char *, int64_t) libcesque; int truncate(const char *, int64_t) libcesque __read_only(1);
int ttyname_r(int, char *, size_t) libcesque; int ttyname_r(int, char *, size_t) libcesque __write_only(2, 3);
int unlink(const char *) libcesque; int unlink(const char *) libcesque __read_only(1);
int unlinkat(int, const char *, int) libcesque; int unlinkat(int, const char *, int) libcesque __read_only(2);
int usleep(uint64_t) libcesque; int usleep(uint64_t) libcesque;
int vfork(void) libcesque returnstwice; int vfork(void) libcesque returnstwice;
int wait(int *) libcesque; int wait(int *) libcesque __write_only(1);
int waitpid(int, int *, int) libcesque; int waitpid(int, int *, int) libcesque __write_only(2);
int64_t clock(void) libcesque; int64_t clock(void) libcesque;
int64_t time(int64_t *) libcesque; int64_t time(int64_t *) libcesque __write_only(1);
ssize_t copy_file_range(int, long *, int, long *, size_t, unsigned) libcesque; ssize_t copy_file_range(int, long *, int, long *, size_t, unsigned) libcesque __read_write(2) __read_write(4);
ssize_t lseek(int, int64_t, int) libcesque; ssize_t lseek(int, int64_t, int) libcesque;
ssize_t pread(int, void *, size_t, int64_t) libcesque; ssize_t pread(int, void *, size_t, int64_t) libcesque __write_only(2, 3);
ssize_t pwrite(int, const void *, size_t, int64_t) libcesque; ssize_t pwrite(int, const void *, size_t, int64_t) libcesque __read_only(2);
ssize_t read(int, void *, size_t) libcesque; ssize_t read(int, void *, size_t) libcesque __write_only(2, 3);
ssize_t readlink(const char *, char *, size_t) libcesque; ssize_t readlink(const char *, char *, size_t) libcesque __read_only(1) __write_only(2, 3);
ssize_t readlinkat(int, const char *, char *, size_t) libcesque; ssize_t readlinkat(int, const char *, char *, size_t) libcesque __read_only(2) __write_only(3, 4);
ssize_t write(int, const void *, size_t) libcesque; ssize_t write(int, const void *, size_t) libcesque __read_only(2);
unsigned alarm(unsigned) libcesque; unsigned alarm(unsigned) libcesque;
unsigned getegid(void) libcesque nosideeffect; unsigned getegid(void) libcesque nosideeffect;
unsigned geteuid(void) libcesque nosideeffect; unsigned geteuid(void) libcesque nosideeffect;
@ -199,50 +200,50 @@ int prctl(int, ...) libcesque;
int gettid(void) libcesque; int gettid(void) libcesque;
int setresgid(unsigned, unsigned, unsigned) libcesque; int setresgid(unsigned, unsigned, unsigned) libcesque;
int setresuid(unsigned, unsigned, unsigned) libcesque; int setresuid(unsigned, unsigned, unsigned) libcesque;
int getresgid(unsigned *, unsigned *, unsigned *) libcesque; int getresgid(unsigned *, unsigned *, unsigned *) libcesque __write_only(1) __write_only(2) __write_only(3);
int getresuid(unsigned *, unsigned *, unsigned *) libcesque; int getresuid(unsigned *, unsigned *, unsigned *) libcesque __write_only(1) __write_only(2) __write_only(3);
char *get_current_dir_name(void) libcesque __wur; char *get_current_dir_name(void) libcesque __wur;
ssize_t splice(int, int64_t *, int, int64_t *, size_t, unsigned) libcesque; ssize_t splice(int, int64_t *, int, int64_t *, size_t, unsigned) libcesque __read_write(2) __read_write(4);
int memfd_create(const char *, unsigned int) libcesque; int memfd_create(const char *, unsigned int) libcesque __read_only(1);
int execvpe(const char *, char *const[], char *const[]) libcesque; int execvpe(const char *, char *const[], char *const[]) libcesque __read_only(1) __read_only(2) __read_only(3);
int euidaccess(const char *, int) libcesque; int euidaccess(const char *, int) libcesque __read_only(1);
int eaccess(const char *, int) libcesque; int eaccess(const char *, int) libcesque __read_only(1);
int madvise(void *, uint64_t, int) libcesque; int madvise(void *, uint64_t, int) libcesque __read_write(1);
int getcpu(unsigned *, unsigned *) libcesque; int getcpu(unsigned *, unsigned *) libcesque __write_only(1) __write_only(2);
#endif #endif
#ifdef _COSMO_SOURCE #ifdef _COSMO_SOURCE
bool32 fdexists(int) libcesque; bool32 fdexists(int) libcesque;
bool32 fileexists(const char *) libcesque; bool32 fileexists(const char *) libcesque __read_only(1);
bool32 ischardev(int) libcesque; bool32 ischardev(int) libcesque;
bool32 isdirectory(const char *) libcesque; bool32 isdirectory(const char *) libcesque __read_only(1);
bool32 isexecutable(const char *) libcesque; bool32 isexecutable(const char *) libcesque __read_only(1);
bool32 isregularfile(const char *) libcesque; bool32 isregularfile(const char *) libcesque __read_only(1);
bool32 issymlink(const char *) libcesque; bool32 issymlink(const char *) libcesque __read_only(1);
char *commandv(const char *, char *, size_t) libcesque; char *commandv(const char *, char *, size_t) libcesque __read_only(1) __write_only(2, 3);
int __getcwd(char *, size_t) libcesque; int __getcwd(char *, size_t) libcesque __write_only(1, 2);
int clone(void *, void *, size_t, int, void *, void *, void *, void *); int clone(void *, void *, size_t, int, void *, void *, void *, void *);
int fadvise(int, uint64_t, uint64_t, int) libcesque; int fadvise(int, uint64_t, uint64_t, int) libcesque;
int makedirs(const char *, unsigned) libcesque; int makedirs(const char *, unsigned) libcesque __read_only(1);
int pivot_root(const char *, const char *) libcesque; int pivot_root(const char *, const char *) libcesque __read_only(1) __read_only(2);
int pledge(const char *, const char *) libcesque; int pledge(const char *, const char *) libcesque __read_only(1) __read_only(2);
int seccomp(unsigned, unsigned, void *) libcesque; int seccomp(unsigned, unsigned, void *) libcesque __read_only(3);
int sys_iopl(int) libcesque; int sys_iopl(int) libcesque;
int sys_ioprio_get(int, int) libcesque; int sys_ioprio_get(int, int) libcesque;
int sys_ioprio_set(int, int, int) libcesque; int sys_ioprio_set(int, int, int) libcesque;
int sys_mlock(const void *, size_t) libcesque; int sys_mlock(const void *, size_t) libcesque __read_only(1);
int sys_mlock2(const void *, size_t, int) libcesque; int sys_mlock2(const void *, size_t, int) libcesque __read_only(1);
int sys_mlockall(int) libcesque; int sys_mlockall(int) libcesque;
int sys_munlock(const void *, size_t) libcesque; int sys_munlock(const void *, size_t) libcesque __read_only(1);
int sys_munlockall(void) libcesque; int sys_munlockall(void) libcesque;
int sys_personality(uint64_t) libcesque; int sys_personality(uint64_t) libcesque;
int sys_ptrace(int, ...) libcesque; int sys_ptrace(int, ...) libcesque;
int sysctl(int *, unsigned, void *, size_t *, void *, size_t) libcesque; int sysctl(int *, unsigned, void *, size_t *, void *, size_t) libcesque __read_write(1) __read_write(4) __read_write(5);
int sysctlbyname(const char *, void *, size_t *, void *, size_t) libcesque; int sysctlbyname(const char *, void *, size_t *, void *, size_t) libcesque __read_only(1) __write_only(2) __read_write(3) __read_only(4);
int sysctlnametomib(const char *, int *, size_t *) libcesque; int sysctlnametomib(const char *, int *, size_t *) libcesque __read_only(1) __write_only(2) __read_write(3);
int tmpfd(void) libcesque; int tmpfd(void) libcesque;
int touch(const char *, unsigned) libcesque; int touch(const char *, unsigned) libcesque __read_only(1);
int unveil(const char *, const char *) libcesque; int unveil(const char *, const char *) libcesque __read_only(1);
long ptrace(int, ...) libcesque; long ptrace(int, ...) libcesque;
ssize_t copyfd(int, int, size_t) libcesque; ssize_t copyfd(int, int, size_t) libcesque;
ssize_t readansi(int, char *, size_t) libcesque; ssize_t readansi(int, char *, size_t) libcesque;

8
libc/calls/ioctl.c
View file

@ -18,13 +18,13 @@
╚─────────────────────────────────────────────────────────────────────────────*/ ╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/assert.h" #include "libc/assert.h"
#include "libc/calls/internal.h" #include "libc/calls/internal.h"
#include "libc/intrin/fds.h"
#include "libc/calls/syscall-sysv.internal.h" #include "libc/calls/syscall-sysv.internal.h"
#include "libc/calls/syscall_support-nt.internal.h" #include "libc/calls/syscall_support-nt.internal.h"
#include "libc/calls/termios.h" #include "libc/calls/termios.h"
#include "libc/dce.h" #include "libc/dce.h"
#include "libc/errno.h" #include "libc/errno.h"
#include "libc/intrin/cmpxchg.h" #include "libc/intrin/cmpxchg.h"
#include "libc/intrin/fds.h"
#include "libc/intrin/strace.h" #include "libc/intrin/strace.h"
#include "libc/intrin/weaken.h" #include "libc/intrin/weaken.h"
#include "libc/macros.internal.h" #include "libc/macros.internal.h"
@ -258,7 +258,10 @@ static textwindows struct HostAdapterInfoNode *appendHostInfo(
node->flags = flags; node->flags = flags;
} else { } else {
/* Copy from previous node */ /* Copy from previous node */
node->flags = parentInfoNode->flags; if (parentInfoNode)
node->flags = parentInfoNode->flags;
else
node->flags = 0;
} }
ip = ntohl( ip = ntohl(
@ -508,6 +511,7 @@ static int ioctl_siocgifconf_sysv(int fd, struct ifconf *ifc) {
} }
#pragma GCC push_options #pragma GCC push_options
#pragma GCC diagnostic ignored "-Walloca-larger-than=" #pragma GCC diagnostic ignored "-Walloca-larger-than="
#pragma GCC diagnostic ignored "-Wanalyzer-out-of-bounds"
bufMax = 15000; /* conservative guesstimate */ bufMax = 15000; /* conservative guesstimate */
b = alloca(bufMax); b = alloca(bufMax);
CheckLargeStackAllocation(b, bufMax); CheckLargeStackAllocation(b, bufMax);

1
libc/calls/mkntenvblock.c
View file

@ -144,6 +144,7 @@ textwindows int mkntenvblock(char16_t envblock[32767], char *const envp[],
n = (CountStrings(envp) + CountStrings(extravars) + 1) * sizeof(char *); n = (CountStrings(envp) + CountStrings(extravars) + 1) * sizeof(char *);
#pragma GCC push_options #pragma GCC push_options
#pragma GCC diagnostic ignored "-Walloca-larger-than=" #pragma GCC diagnostic ignored "-Walloca-larger-than="
#pragma GCC diagnostic ignored "-Wanalyzer-out-of-bounds"
env.var = alloca(n); env.var = alloca(n);
CheckLargeStackAllocation(env.var, n); CheckLargeStackAllocation(env.var, n);
#pragma GCC pop_options #pragma GCC pop_options

1
libc/calls/preadv.c
View file

@ -60,6 +60,7 @@ static ssize_t Preadv(int fd, struct iovec *iov, int iovlen, int64_t off) {
struct iovec *iov2; struct iovec *iov2;
#pragma GCC push_options #pragma GCC push_options
#pragma GCC diagnostic ignored "-Walloca-larger-than=" #pragma GCC diagnostic ignored "-Walloca-larger-than="
#pragma GCC diagnostic ignored "-Wanalyzer-out-of-bounds"
iov2 = alloca(iovlen * sizeof(struct iovec)); iov2 = alloca(iovlen * sizeof(struct iovec));
CheckLargeStackAllocation(iov2, iovlen * sizeof(struct iovec)); CheckLargeStackAllocation(iov2, iovlen * sizeof(struct iovec));
#pragma GCC pop_options #pragma GCC pop_options

1
libc/calls/pwritev.c
View file

@ -62,6 +62,7 @@ static ssize_t Pwritev(int fd, const struct iovec *iov, int iovlen,
struct iovec *iov2; struct iovec *iov2;
#pragma GCC push_options #pragma GCC push_options
#pragma GCC diagnostic ignored "-Walloca-larger-than=" #pragma GCC diagnostic ignored "-Walloca-larger-than="
#pragma GCC diagnostic ignored "-Wanalyzer-out-of-bounds"
iov2 = alloca(iovlen * sizeof(struct iovec)); iov2 = alloca(iovlen * sizeof(struct iovec));
CheckLargeStackAllocation(iov2, iovlen * sizeof(struct iovec)); CheckLargeStackAllocation(iov2, iovlen * sizeof(struct iovec));
#pragma GCC pop_options #pragma GCC pop_options

1
libc/calls/readlinkat-nt.c
View file

@ -52,6 +52,7 @@ static textwindows ssize_t sys_readlinkat_nt_impl(int dirfd, const char *path,
ssize_t rc; ssize_t rc;
#pragma GCC push_options #pragma GCC push_options
#pragma GCC diagnostic ignored "-Walloca-larger-than=" #pragma GCC diagnostic ignored "-Walloca-larger-than="
#pragma GCC diagnostic ignored "-Wanalyzer-out-of-bounds"
uint32_t mem = 6000; uint32_t mem = 6000;
volatile char *memory = alloca(mem); volatile char *memory = alloca(mem);
CheckLargeStackAllocation((char *)memory, mem); CheckLargeStackAllocation((char *)memory, mem);

1
libc/calls/readv.c
View file

@ -57,6 +57,7 @@ static ssize_t readv_impl(int fd, const struct iovec *iov, int iovlen) {
struct iovec *iov2; struct iovec *iov2;
#pragma GCC push_options #pragma GCC push_options
#pragma GCC diagnostic ignored "-Walloca-larger-than=" #pragma GCC diagnostic ignored "-Walloca-larger-than="
#pragma GCC diagnostic ignored "-Wanalyzer-out-of-bounds"
iov2 = alloca(iovlen * sizeof(struct iovec)); iov2 = alloca(iovlen * sizeof(struct iovec));
CheckLargeStackAllocation(iov2, iovlen * sizeof(struct iovec)); CheckLargeStackAllocation(iov2, iovlen * sizeof(struct iovec));
#pragma GCC pop_options #pragma GCC pop_options

1
libc/calls/tinyprint.c
View file

@ -62,6 +62,7 @@ ssize_t tinyprint(int fd, const char *s, ...) {
buf[n++] = c; buf[n++] = c;
if (n == sizeof(buf)) { if (n == sizeof(buf)) {
if (tinyflush(fd, buf, n, &toto)) { if (tinyflush(fd, buf, n, &toto)) {
va_end(va);
return toto; return toto;
} }
n = 0; n = 0;

4
libc/calls/ucontext.h
View file

@ -168,8 +168,8 @@ struct ucontext {
typedef struct ucontext ucontext_t; typedef struct ucontext ucontext_t;
int getcontext(ucontext_t *) dontthrow; int getcontext(ucontext_t *) dontthrow __read_write(1);
int setcontext(const ucontext_t *) dontthrow; int setcontext(const ucontext_t *) dontthrow __read_only(1);
int swapcontext(ucontext_t *, const ucontext_t *) dontthrow returnstwice; int swapcontext(ucontext_t *, const ucontext_t *) dontthrow returnstwice;
void makecontext(ucontext_t *, void *, int, ...) dontthrow dontcallback; void makecontext(ucontext_t *, void *, int, ...) dontthrow dontcallback;
void __sig_restore(const ucontext_t *) wontreturn; void __sig_restore(const ucontext_t *) wontreturn;

1
libc/calls/writev.c
View file

@ -57,6 +57,7 @@ static ssize_t writev_impl(int fd, const struct iovec *iov, int iovlen) {
struct iovec *iov2; struct iovec *iov2;
#pragma GCC push_options #pragma GCC push_options
#pragma GCC diagnostic ignored "-Walloca-larger-than=" #pragma GCC diagnostic ignored "-Walloca-larger-than="
#pragma GCC diagnostic ignored "-Wanalyzer-out-of-bounds"
iov2 = alloca(iovlen * sizeof(struct iovec)); iov2 = alloca(iovlen * sizeof(struct iovec));
CheckLargeStackAllocation(iov2, iovlen * sizeof(struct iovec)); CheckLargeStackAllocation(iov2, iovlen * sizeof(struct iovec));
#pragma GCC pop_options #pragma GCC pop_options

18
libc/integral/c.inc
View file

@ -367,6 +367,24 @@ typedef struct {
#define offsetof(type, member) __builtin_offsetof(type, member) #define offsetof(type, member) __builtin_offsetof(type, member)
#if defined(__GNUC__) && __GNUC__ >= 10
#define __read_only(...) __attribute__((__access__(__read_only__, __VA_ARGS__)))
#define __write_only(...) \
__attribute__((__access__(__write_only__, __VA_ARGS__)))
#define __read_write(...) \
__attribute__((__access__(__read_write__, __VA_ARGS__)))
#else
#define __read_only(...)
#define __write_only(...)
#define __read_write(...)
#endif
#if defined(__GNUC__) && __GNUC__ >= 13
#define __fd_arg(N) __attribute__((__fd_arg__(N)))
#else
#define __fd_arg(N)
#endif
#ifdef _COSMO_SOURCE #ifdef _COSMO_SOURCE
#ifndef dontinstrument #ifndef dontinstrument

6
libc/mem/tinymalloc.inc
View file

@ -29,6 +29,10 @@
#define TINYMALLOC_MAX_ALIGN sizeof(max_align_t) #define TINYMALLOC_MAX_ALIGN sizeof(max_align_t)
#endif #endif
#pragma GCC push_options
#pragma GCC diagnostic ignored "-Wanalyzer-malloc-leak"
#pragma GCC diagnostic ignored "-Wanalyzer-use-after-free"
static struct { static struct {
alignas(max_align_t) char bits[TINYMALLOC_MAX_BYTES]; alignas(max_align_t) char bits[TINYMALLOC_MAX_BYTES];
char *memory; char *memory;
@ -178,3 +182,5 @@ OutOfMemory:
errno = ENOMEM; errno = ENOMEM;
return 0; return 0;
} }
#pragma GCC pop_options

21
libc/runtime/runtime.h
View file

@ -4,6 +4,7 @@ COSMOPOLITAN_C_START_
/*───────────────────────────────────────────────────────────────────────────│─╗ /*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § runtime ─╬─│┼ │ cosmopolitan § runtime ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/ ╚────────────────────────────────────────────────────────────────────────────│*/
/* clang-format off */
#ifdef __x86_64__ #ifdef __x86_64__
typedef long jmp_buf[8]; typedef long jmp_buf[8];
@ -22,11 +23,9 @@ typedef unsigned long jmp_buf[26];
void mcount(void) libcesque; void mcount(void) libcesque;
int daemon(int, int) libcesque; int daemon(int, int) libcesque;
unsigned long getauxval(unsigned long) libcesque; unsigned long getauxval(unsigned long) libcesque;
int setjmp(jmp_buf) int setjmp(jmp_buf) libcesque returnstwice paramsnonnull();
libcesque returnstwice paramsnonnull();
void longjmp(jmp_buf, int) libcesque wontreturn paramsnonnull(); void longjmp(jmp_buf, int) libcesque wontreturn paramsnonnull();
int _setjmp(jmp_buf) int _setjmp(jmp_buf) libcesque returnstwice paramsnonnull();
libcesque returnstwice paramsnonnull();
int sigsetjmp(sigjmp_buf, int) libcesque returnstwice paramsnonnull(); int sigsetjmp(sigjmp_buf, int) libcesque returnstwice paramsnonnull();
void siglongjmp(sigjmp_buf, int) libcesque wontreturn paramsnonnull(); void siglongjmp(sigjmp_buf, int) libcesque wontreturn paramsnonnull();
void _longjmp(jmp_buf, int) libcesque wontreturn paramsnonnull(); void _longjmp(jmp_buf, int) libcesque wontreturn paramsnonnull();
@ -37,7 +36,7 @@ void quick_exit(int) wontreturn;
void abort(void) wontreturn; void abort(void) wontreturn;
int atexit(void (*)(void)) paramsnonnull() libcesque; int atexit(void (*)(void)) paramsnonnull() libcesque;
char *getenv(const char *) paramsnonnull() __wur nosideeffect libcesque; char *getenv(const char *) paramsnonnull() __wur nosideeffect libcesque;
int putenv(char *) libcesque; int putenv(char *) libcesque __read_write(1);
int setenv(const char *, const char *, int) libcesque; int setenv(const char *, const char *, int) libcesque;
int unsetenv(const char *) libcesque; int unsetenv(const char *) libcesque;
int clearenv(void) libcesque; int clearenv(void) libcesque;
@ -52,8 +51,8 @@ int munlock(const void *, size_t) libcesque;
long gethostid(void) libcesque; long gethostid(void) libcesque;
int sethostid(long) libcesque; int sethostid(long) libcesque;
char *getlogin(void) libcesque; char *getlogin(void) libcesque;
int getlogin_r(char *, size_t) libcesque; int getlogin_r(char *, size_t) libcesque __write_only(1, 2);
int login_tty(int) libcesque; int login_tty(int) libcesque __fd_arg(1);
int getpagesize(void) pureconst libcesque; int getpagesize(void) pureconst libcesque;
int getgransize(void) pureconst libcesque; int getgransize(void) pureconst libcesque;
int syncfs(int) dontthrow libcesque; int syncfs(int) dontthrow libcesque;
@ -88,8 +87,8 @@ extern size_t __virtualsize;
extern size_t __stackmax; extern size_t __stackmax;
extern bool32 __isworker; extern bool32 __isworker;
/* utilities */ /* utilities */
void _intsort(int *, size_t) libcesque; void _intsort(int *, size_t) libcesque __read_write(1, 2);
void _longsort(long *, size_t) libcesque; void _longsort(long *, size_t) libcesque __read_write(1, 2);
/* diagnostics */ /* diagnostics */
void ShowCrashReports(void) libcesque; void ShowCrashReports(void) libcesque;
int ftrace_install(void) libcesque; int ftrace_install(void) libcesque;
@ -107,8 +106,8 @@ int __open_executable(void) libcesque;
int verynice(void) libcesque; int verynice(void) libcesque;
void __warn_if_powersave(void) libcesque; void __warn_if_powersave(void) libcesque;
void _Exit1(int) libcesque wontreturn libcesque; void _Exit1(int) libcesque wontreturn libcesque;
void __paginate(int, const char *) libcesque; void __paginate(int, const char *) libcesque __fd_arg(1);
void __paginate_file(int, const char *) libcesque; void __paginate_file(int, const char *) libcesque __fd_arg(1);
/* memory management */ /* memory management */
void _weakfree(void *) libcesque; void _weakfree(void *) libcesque;
void *_mapanon(size_t) attributeallocsize((1)) mallocesque libcesque; void *_mapanon(size_t) attributeallocsize((1)) mallocesque libcesque;

17
libc/sock/sock.h
View file

@ -17,21 +17,22 @@ libcesque uint32_t ntohl(uint32_t) pureconst;
#define ntohl(x) __builtin_bswap32(x) #define ntohl(x) __builtin_bswap32(x)
#endif #endif
/* clang-format off */
const char *inet_ntop(int, const void *, char *, uint32_t) libcesque; const char *inet_ntop(int, const void *, char *, uint32_t) libcesque;
int inet_pton(int, const char *, void *) libcesque; int inet_pton(int, const char *, void *) libcesque;
uint32_t inet_addr(const char *) libcesque; uint32_t inet_addr(const char *) libcesque;
libcesque uint32_t *GetHostIps(void) __wur; libcesque uint32_t *GetHostIps(void) __wur;
int socket(int, int, int) libcesque; int socket(int, int, int) libcesque;
int listen(int, int) libcesque; int listen(int, int) libcesque __fd_arg(1);
int shutdown(int, int) libcesque; int shutdown(int, int) libcesque __fd_arg(1);
ssize_t send(int, const void *, size_t, int) libcesque; ssize_t send(int, const void *, size_t, int) libcesque __fd_arg(1) __read_only(2, 3);
ssize_t recv(int, void *, size_t, int) libcesque; ssize_t recv(int, void *, size_t, int) libcesque __fd_arg(1) __write_only(2, 3);
ssize_t sendfile(int, int, int64_t *, size_t) libcesque; ssize_t sendfile(int, int, int64_t *, size_t) libcesque __fd_arg(1) __fd_arg(2) __read_write(3);
int getsockopt(int, int, int, void *, uint32_t *) libcesque; int getsockopt(int, int, int, void *, uint32_t *) libcesque __fd_arg(1);
int setsockopt(int, int, int, const void *, uint32_t) libcesque; int setsockopt(int, int, int, const void *, uint32_t) libcesque __fd_arg(1);
int socketpair(int, int, int, int[2]) libcesque; int socketpair(int, int, int, int[2]) libcesque;
int sockatmark(int) libcesque; int sockatmark(int) libcesque __fd_arg(1);
COSMOPOLITAN_C_END_ COSMOPOLITAN_C_END_
#endif /* COSMOPOLITAN_LIBC_SOCK_SOCK_H_ */ #endif /* COSMOPOLITAN_LIBC_SOCK_SOCK_H_ */

30
libc/stdio/freopen.c
View file

@ -16,6 +16,7 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │ │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │ │ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/ ╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/assert.h"
#include "libc/calls/calls.h" #include "libc/calls/calls.h"
#include "libc/stdio/internal.h" #include "libc/stdio/internal.h"
#include "libc/stdio/stdio.h" #include "libc/stdio/stdio.h"
@ -37,8 +38,8 @@
* @return stream object if successful, or NULL w/ errno * @return stream object if successful, or NULL w/ errno
*/ */
FILE *freopen(const char *pathname, const char *mode, FILE *stream) { FILE *freopen(const char *pathname, const char *mode, FILE *stream) {
int fd;
FILE *res; FILE *res;
int fd, fd2;
unsigned flags; unsigned flags;
flags = fopenflags(mode); flags = fopenflags(mode);
flockfile(stream); flockfile(stream);
@ -46,19 +47,30 @@ FILE *freopen(const char *pathname, const char *mode, FILE *stream) {
if (pathname) { if (pathname) {
/* open new stream, overwriting existing alloc */ /* open new stream, overwriting existing alloc */
if ((fd = open(pathname, flags, 0666)) != -1) { if ((fd = open(pathname, flags, 0666)) != -1) {
dup3(fd, stream->fd, flags & O_CLOEXEC); fd2 = dup3(fd, stream->fd, flags & O_CLOEXEC);
close(fd); close(fd);
stream->iomode = flags; if (fd2 != -1) {
stream->beg = 0; stream->fd = fd2;
stream->end = 0; stream->iomode = flags;
res = stream; stream->beg = 0;
stream->end = 0;
res = stream;
} else {
res = NULL;
}
} else { } else {
res = NULL; res = NULL;
} }
} else { } else {
fcntl(stream->fd, F_SETFD, !!(flags & O_CLOEXEC)); #pragma GCC diagnostic push
fcntl(stream->fd, F_SETFL, flags & ~O_CLOEXEC); #pragma GCC diagnostic ignored "-Wanalyzer-fd-use-without-check"
res = stream; if (fcntl(stream->fd, F_SETFD, !!(flags & O_CLOEXEC)) != -1 &&
fcntl(stream->fd, F_SETFL, flags & ~O_CLOEXEC) != -1) {
#pragma GCC diagnostic pop
res = stream;
} else {
res = NULL;
}
} }
funlockfile(stream); funlockfile(stream);
return res; return res;

9
libc/stdio/iconv.c
View file

@ -1,5 +1,5 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│ /*-*- mode:c;indent-tabs-mode:t;c-basic-offset:8;tab-width:8;coding:utf-8 -*-│
│ vi: set noet ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │ │ vi: set noet ft=c ts=8 sw=8 fenc=utf-8 :vi │
╚──────────────────────────────────────────────────────────────────────────────╝ ╚──────────────────────────────────────────────────────────────────────────────╝
│ │ │ │
│ Musl Libc │ │ Musl Libc │
@ -334,6 +334,8 @@ size_t iconv(iconv_t cd, char **restrict in, size_t *restrict inb, char **restri
case UCS2: case UCS2:
case UTF_16: case UTF_16:
l = 0; l = 0;
if (!scd)
goto starved;
if (!scd->state) { if (!scd->state) {
if (*inb < 2) goto starved; if (*inb < 2) goto starved;
c = get_16((void *)*in, 0); c = get_16((void *)*in, 0);
@ -347,6 +349,8 @@ size_t iconv(iconv_t cd, char **restrict in, size_t *restrict inb, char **restri
continue; continue;
case UTF_32: case UTF_32:
l = 0; l = 0;
if (!scd)
goto starved;
if (!scd->state) { if (!scd->state) {
if (*inb < 4) goto starved; if (*inb < 4) goto starved;
c = get_32((void *)*in, 0); c = get_32((void *)*in, 0);
@ -398,6 +402,7 @@ size_t iconv(iconv_t cd, char **restrict in, size_t *restrict inb, char **restri
if (!c) goto ilseq; if (!c) goto ilseq;
break; break;
case ISO2022_JP: case ISO2022_JP:
if (!scd) goto starved;
if (c >= 128) goto ilseq; if (c >= 128) goto ilseq;
if (c == '\033') { if (c == '\033') {
l = 3; l = 3;

15
libc/stdio/nftw.c
View file

@ -102,15 +102,24 @@ static int do_nftw(char *path,
dfd = open(path, O_RDONLY | O_DIRECTORY); dfd = open(path, O_RDONLY | O_DIRECTORY);
err = errno; err = errno;
if (dfd < 0 && err == EACCES) type = FTW_DNR; if (dfd < 0 && err == EACCES) type = FTW_DNR;
if (!fd_limit) close(dfd); if (!fd_limit) {
close(dfd);
dfd = -1;
}
} }
if (!(flags & FTW_DEPTH) && (r=fn(path, &st, type, &lev))) if (!(flags & FTW_DEPTH) && (r=fn(path, &st, type, &lev))) {
if (dfd != -1)
close(dfd);
return r; return r;
}
for (; h; h = h->chain) for (; h; h = h->chain)
if (h->dev == st.st_dev && h->ino == st.st_ino) if (h->dev == st.st_dev && h->ino == st.st_ino) {
if (dfd != -1)
close(dfd);
return 0; return 0;
}
if ((type == FTW_D || type == FTW_DP) && fd_limit) { if ((type == FTW_D || type == FTW_DP) && fd_limit) {
if (dfd < 0) { if (dfd < 0) {

3
libc/stdio/popen.c
View file

@ -75,7 +75,10 @@ FILE *popen(const char *cmdline, const char *mode) {
if ((f = fdopen(pipefds[dir], mode))) { if ((f = fdopen(pipefds[dir], mode))) {
switch ((pid = fork())) { switch ((pid = fork())) {
case 0: case 0:
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wanalyzer-fd-leak"
unassert(dup2(pipefds[!dir], !dir) == !dir); unassert(dup2(pipefds[!dir], !dir) == !dir);
#pragma GCC diagnostic pop
// we can't rely on cloexec because cocmd builtins don't execve // we can't rely on cloexec because cocmd builtins don't execve
if (pipefds[0] != !dir) if (pipefds[0] != !dir)
unassert(!close(pipefds[0])); unassert(!close(pipefds[0]));

4
libc/stdio/scandir.c
View file

@ -69,7 +69,9 @@ int scandir(const char *path, struct dirent ***res,
} }
errno = old_errno; errno = old_errno;
if (cmp) qsort(names, cnt, sizeof *names, (int (*)(const void *, const void *))cmp); if (cmp && names) {
qsort(names, cnt, sizeof *names, (int (*)(const void *, const void *))cmp);
}
*res = names; *res = names;
return cnt; return cnt;
} }

220
libc/stdio/stdio.h
View file

@ -19,6 +19,7 @@ COSMOPOLITAN_C_START_
/*───────────────────────────────────────────────────────────────────────────│─╗ /*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § standard i/o ─╬─│┼ │ cosmopolitan § standard i/o ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/ ╚────────────────────────────────────────────────────────────────────────────│*/
/* clang-format off */
struct FILE; struct FILE;
typedef struct FILE FILE; typedef struct FILE FILE;
@ -27,147 +28,146 @@ extern FILE *stdin;
extern FILE *stdout; extern FILE *stdout;
extern FILE *stderr; extern FILE *stderr;
errno_t ferror(FILE *) libcesque paramsnonnull(); errno_t ferror(FILE *) libcesque paramsnonnull() __read_write(1);
void clearerr(FILE *) libcesque paramsnonnull(); void clearerr(FILE *) libcesque paramsnonnull() __read_write(1);
int feof(FILE *) libcesque paramsnonnull(); int feof(FILE *) libcesque paramsnonnull() __read_write(1);
int getc(FILE *) libcesque paramsnonnull(); int getc(FILE *) libcesque paramsnonnull() __read_write(1);
int putc(int, FILE *) libcesque paramsnonnull(); int putc(int, FILE *) libcesque paramsnonnull() __read_write(2);
int fflush(FILE *) libcesque; int fflush(FILE *) libcesque __read_write(1);
int fpurge(FILE *) libcesque; int fpurge(FILE *) libcesque __read_write(1);
int fgetc(FILE *) libcesque paramsnonnull(); int fgetc(FILE *) libcesque paramsnonnull() __read_write(1);
char *fgetln(FILE *, size_t *) libcesque paramsnonnull((1)); char *fgetln(FILE *, size_t *) libcesque paramsnonnull((1)) __read_write(1) __write_only(2);
int ungetc(int, FILE *) libcesque paramsnonnull(); int ungetc(int, FILE *) libcesque paramsnonnull() __write_only(2);
int fileno(FILE *) libcesque paramsnonnull() nosideeffect; int fileno(FILE *) libcesque paramsnonnull() nosideeffect __write_only(1);
int fputc(int, FILE *) libcesque paramsnonnull(); int fputc(int, FILE *) libcesque paramsnonnull() __write_only(2);
int fputs(const char *, FILE *) libcesque paramsnonnull(); int fputs(const char *, FILE *) libcesque paramsnonnull() __write_only(2);
int fputws(const wchar_t *, FILE *) libcesque paramsnonnull(); int fputws(const wchar_t *, FILE *) libcesque paramsnonnull() __write_only(2);
void flockfile(FILE *) libcesque; void flockfile(FILE *) libcesque __write_only(1);
void funlockfile(FILE *) libcesque paramsnonnull(); void funlockfile(FILE *) libcesque paramsnonnull() __write_only(1);
int ftrylockfile(FILE *) libcesque paramsnonnull(); int ftrylockfile(FILE *) libcesque paramsnonnull() __write_only(1);
char *fgets(char *, int, FILE *) libcesque paramsnonnull(); char *fgets(char *, int, FILE *) libcesque paramsnonnull() __write_only(1, 2) __read_write(3);
wchar_t *fgetws(wchar_t *, int, FILE *) libcesque paramsnonnull(); wchar_t *fgetws(wchar_t *, int, FILE *) libcesque paramsnonnull() __write_only(1, 2) __read_write(3);
wint_t putwc(wchar_t, FILE *) libcesque paramsnonnull(); wint_t putwc(wchar_t, FILE *) libcesque paramsnonnull() __write_only(2);
wint_t fputwc(wchar_t, FILE *) libcesque paramsnonnull(); wint_t fputwc(wchar_t, FILE *) libcesque paramsnonnull() __write_only(2);
wint_t putwchar(wchar_t) libcesque; wint_t putwchar(wchar_t) libcesque;
wint_t getwchar(void) libcesque; wint_t getwchar(void) libcesque;
wint_t getwc(FILE *) libcesque paramsnonnull(); wint_t getwc(FILE *) libcesque paramsnonnull() __write_only(1);
wint_t fgetwc(FILE *) libcesque paramsnonnull(); wint_t fgetwc(FILE *) libcesque paramsnonnull() __write_only(1);
wint_t ungetwc(wint_t, FILE *) libcesque paramsnonnull(); wint_t ungetwc(wint_t, FILE *) libcesque paramsnonnull() __write_only(2);
int getchar(void) libcesque; int getchar(void) libcesque;
int putchar(int) libcesque; int putchar(int) libcesque;
int puts(const char *) libcesque; int puts(const char *) libcesque __read_only(1);
ssize_t getline(char **, size_t *, FILE *) libcesque paramsnonnull();
ssize_t getdelim(char **, size_t *, int, FILE *) libcesque paramsnonnull(); ssize_t getline(char **, size_t *, FILE *) libcesque paramsnonnull() __read_write(1) __read_write(2) __read_write(3);
FILE *fopen(const char *, const char *) libcesque paramsnonnull((2)) __wur; ssize_t getdelim(char **, size_t *, int, FILE *) libcesque paramsnonnull() __read_write(1) __read_write(2) __read_write(4);
FILE *fdopen(int, const char *) libcesque paramsnonnull() __wur; FILE *fopen(const char *, const char *) libcesque paramsnonnull((2)) __read_only(1) __read_only(2) __wur;
FILE *fmemopen(void *, size_t, const char *) libcesque paramsnonnull((3)) __wur; FILE *fdopen(int, const char *) libcesque paramsnonnull() __read_only(2) __wur;
FILE *freopen(const char *, const char *, FILE *) paramsnonnull((2, 3)); FILE *fmemopen(void *, size_t, const char *) libcesque paramsnonnull((3)) __read_write(1) __read_only(3) __wur;
size_t fread(void *, size_t, size_t, FILE *) libcesque paramsnonnull((4)); FILE *freopen(const char *, const char *, FILE *) paramsnonnull((2, 3)) __read_only(1) __read_only(2) __read_write(3);
size_t fwrite(const void *, size_t, size_t, FILE *) paramsnonnull((4)); size_t fread(void *, size_t, size_t, FILE *) libcesque paramsnonnull((4)) __write_only(1) __read_write(4);
int fclose(FILE *) libcesque; size_t fwrite(const void *, size_t, size_t, FILE *) paramsnonnull((4)) __read_only(1) __read_write(4);
int fseek(FILE *, long, int) libcesque paramsnonnull(); int fclose(FILE *) libcesque __read_write(1);
long ftell(FILE *) libcesque paramsnonnull(); int fseek(FILE *, long, int) libcesque paramsnonnull() __read_write(1);
int fseeko(FILE *, int64_t, int) libcesque paramsnonnull(); long ftell(FILE *) libcesque paramsnonnull() __read_write(1);
int64_t ftello(FILE *) libcesque paramsnonnull(); int fseeko(FILE *, int64_t, int) libcesque paramsnonnull() __read_write(1);
void rewind(FILE *) libcesque paramsnonnull(); int64_t ftello(FILE *) libcesque paramsnonnull() __read_write(1);
int fopenflags(const char *) libcesque paramsnonnull(); void rewind(FILE *) libcesque paramsnonnull() __read_write(1);
void setlinebuf(FILE *) libcesque; int fopenflags(const char *) libcesque paramsnonnull() __read_only(1);
void setbuf(FILE *, char *) libcesque; void setlinebuf(FILE *) libcesque __read_write(1);
void setbuffer(FILE *, char *, size_t) libcesque; void setbuf(FILE *, char *) libcesque __read_write(1) __write_only(2);
int setvbuf(FILE *, char *, int, size_t) libcesque; void setbuffer(FILE *, char *, size_t) libcesque __read_write(1) __write_only(2);
int pclose(FILE *) libcesque; int setvbuf(FILE *, char *, int, size_t) libcesque __read_write(1);
char *ctermid(char *) libcesque; int pclose(FILE *) libcesque __read_write(1);
void perror(const char *) libcesque relegated; char *ctermid(char *) libcesque __write_only(1);
void perror(const char *) libcesque relegated __read_only(1);
typedef uint64_t fpos_t; typedef uint64_t fpos_t;
char *gets(char *) libcesque paramsnonnull(); char *gets(char *) libcesque paramsnonnull() __write_only(1);
int fgetpos(FILE *, fpos_t *) libcesque paramsnonnull(); int fgetpos(FILE *, fpos_t *) libcesque paramsnonnull() __read_write(1) __write_only(2);
int fsetpos(FILE *, const fpos_t *) libcesque paramsnonnull(); int fsetpos(FILE *, const fpos_t *) libcesque paramsnonnull() __read_write(1) __read_only(2);
FILE *tmpfile(void) libcesque __wur; FILE *tmpfile(void) libcesque __wur;
char *tmpnam(char *) libcesque __wur; char *tmpnam(char *) libcesque __write_only(1) __wur;
char *tmpnam_r(char *) libcesque __wur; char *tmpnam_r(char *) libcesque __write_only(1) __wur;
FILE *popen(const char *, const char *) libcesque; FILE *popen(const char *, const char *) libcesque __read_only(1) __read_only(2);
/*───────────────────────────────────────────────────────────────────────────│─╗ /*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § standard i/o » formatting ─╬─│┼ │ cosmopolitan § standard i/o » formatting ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/ ╚────────────────────────────────────────────────────────────────────────────│*/
int printf(const char *, ...) printfesque(1) paramsnonnull((1)) libcesque; int printf(const char *, ...) printfesque(1) paramsnonnull((1)) libcesque __read_only(1);
int vprintf(const char *, va_list) paramsnonnull() libcesque; int vprintf(const char *, va_list) paramsnonnull() libcesque __read_only(1);
int fprintf(FILE *, const char *, ...) printfesque(2) int fprintf(FILE *, const char *, ...) printfesque(2) paramsnonnull((1, 2)) libcesque __read_write(1) __read_only(2);
paramsnonnull((1, 2)) libcesque; int vfprintf(FILE *, const char *, va_list) paramsnonnull() libcesque __read_write(1) __read_only(2);
int vfprintf(FILE *, const char *, va_list) paramsnonnull() libcesque; int scanf(const char *, ...) libcesque scanfesque(1) __read_only(1);
int scanf(const char *, ...) libcesque scanfesque(1); int vscanf(const char *, va_list) libcesque __read_only(1);
int vscanf(const char *, va_list) libcesque; int fscanf(FILE *, const char *, ...) libcesque scanfesque(2) __read_write(1) __read_only(2);
int fscanf(FILE *, const char *, ...) libcesque scanfesque(2); int vfscanf(FILE *, const char *, va_list) libcesque __read_write(1) __read_only(2);
int vfscanf(FILE *, const char *, va_list) libcesque;
int snprintf(char *, size_t, const char *, ...) printfesque(3) libcesque; int snprintf(char *, size_t, const char *, ...) printfesque(3) libcesque __write_only(1) __read_only(3);
int vsnprintf(char *, size_t, const char *, va_list) libcesque; int vsnprintf(char *, size_t, const char *, va_list) libcesque __write_only(1) __read_only(3);
int sprintf(char *, const char *, ...) libcesque; int sprintf(char *, const char *, ...) libcesque __write_only(1) __read_only(2);
int vsprintf(char *, const char *, va_list) libcesque; int vsprintf(char *, const char *, va_list) libcesque __write_only(1) __read_only(2);
int fwprintf(FILE *, const wchar_t *, ...) libcesque; int fwprintf(FILE *, const wchar_t *, ...) libcesque __read_write(1) __read_only(2);
int fwscanf(FILE *, const wchar_t *, ...) libcesque; int fwscanf(FILE *, const wchar_t *, ...) libcesque __read_write(1) __read_only(2);
int swprintf(wchar_t *, size_t, const wchar_t *, ...) libcesque; int swprintf(wchar_t *, size_t, const wchar_t *, ...) libcesque __write_only(1) __read_only(3);
int swscanf(const wchar_t *, const wchar_t *, ...) libcesque; int swscanf(const wchar_t *, const wchar_t *, ...) libcesque __read_only(1) __read_only(2);
int vfwprintf(FILE *, const wchar_t *, va_list) libcesque; int vfwprintf(FILE *, const wchar_t *, va_list) libcesque __read_write(1) __read_only(2);
int vfwscanf(FILE *, const wchar_t *, va_list) libcesque; int vfwscanf(FILE *, const wchar_t *, va_list) libcesque __read_write(1) __read_only(2);
int vswprintf(wchar_t *, size_t, const wchar_t *, va_list) libcesque; int vswprintf(wchar_t *, size_t, const wchar_t *, va_list) libcesque __write_only(1) __read_only(3);
int vswscanf(const wchar_t *, const wchar_t *, va_list) libcesque; int vswscanf(const wchar_t *, const wchar_t *, va_list) libcesque __read_only(1) __read_only(2);
int vwprintf(const wchar_t *, va_list) libcesque; int vwprintf(const wchar_t *, va_list) libcesque __read_only(1);
int vwscanf(const wchar_t *, va_list) libcesque; int vwscanf(const wchar_t *, va_list) libcesque __read_only(1);
int wprintf(const wchar_t *, ...) libcesque; int wprintf(const wchar_t *, ...) libcesque __read_only(1);
int wscanf(const wchar_t *, ...) libcesque; int wscanf(const wchar_t *, ...) libcesque __read_only(1);
int fwide(FILE *, int) libcesque; int fwide(FILE *, int) libcesque __read_write(1);
int sscanf(const char *, const char *, ...) libcesque scanfesque(2); int sscanf(const char *, const char *, ...) libcesque scanfesque(2) __read_only(1) __read_only(2);
int vsscanf(const char *, const char *, va_list) libcesque; int vsscanf(const char *, const char *, va_list) libcesque __read_only(1) __read_only(2);
/*───────────────────────────────────────────────────────────────────────────│─╗ /*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § standard i/o » allocating ─╬─│┼ │ cosmopolitan § standard i/o » allocating ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/ ╚────────────────────────────────────────────────────────────────────────────│*/
int asprintf(char **, const char *, ...) printfesque(2) int asprintf(char **, const char *, ...) printfesque(2) paramsnonnull((1, 2)) libcesque __write_only(1);
paramsnonnull((1, 2)) libcesque; int vasprintf(char **, const char *, va_list) paramsnonnull() libcesque __write_only(1);
int vasprintf(char **, const char *, va_list) paramsnonnull() libcesque;
/*───────────────────────────────────────────────────────────────────────────│─╗ /*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § standard i/o » without mutexes ─╬─│┼ │ cosmopolitan § standard i/o » without mutexes ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/ ╚────────────────────────────────────────────────────────────────────────────│*/
int getc_unlocked(FILE *) libcesque paramsnonnull(); int getc_unlocked(FILE *) libcesque paramsnonnull() __read_write(1);
int puts_unlocked(const char *) libcesque; int puts_unlocked(const char *) libcesque __read_only(1);
int getchar_unlocked(void) libcesque; int getchar_unlocked(void) libcesque;
int putc_unlocked(int, FILE *) libcesque paramsnonnull(); int putc_unlocked(int, FILE *) libcesque paramsnonnull() __read_write(2);
int putchar_unlocked(int) libcesque; int putchar_unlocked(int) libcesque;
void clearerr_unlocked(FILE *) libcesque; void clearerr_unlocked(FILE *) libcesque __write_only(1);
int feof_unlocked(FILE *) libcesque; int feof_unlocked(FILE *) libcesque __read_only(1);
int ferror_unlocked(FILE *) libcesque; int ferror_unlocked(FILE *) libcesque __read_only(1);
int fileno_unlocked(FILE *) libcesque; int fileno_unlocked(FILE *) libcesque __read_only(1);
int fflush_unlocked(FILE *) libcesque; int fflush_unlocked(FILE *) libcesque __read_write(1);
int fgetc_unlocked(FILE *) libcesque; int fgetc_unlocked(FILE *) libcesque __read_write(1);
int fputc_unlocked(int, FILE *) libcesque; int fputc_unlocked(int, FILE *) libcesque __read_write(2);
size_t fread_unlocked(void *, size_t, size_t, FILE *) libcesque; size_t fread_unlocked(void *, size_t, size_t, FILE *) libcesque __write_only(1) __read_write(4);
size_t fwrite_unlocked(const void *, size_t, size_t, FILE *) libcesque; size_t fwrite_unlocked(const void *, size_t, size_t, FILE *) libcesque __read_only(1) __read_write(4);
char *fgets_unlocked(char *, int, FILE *) libcesque; char *fgets_unlocked(char *, int, FILE *) libcesque __write_only(1) __read_write(3);
int fputs_unlocked(const char *, FILE *) libcesque; int fputs_unlocked(const char *, FILE *) libcesque __read_only(1) __read_write(2);
wint_t getwc_unlocked(FILE *) libcesque; wint_t getwc_unlocked(FILE *) libcesque __read_write(1);
wint_t getwchar_unlocked(void) libcesque; wint_t getwchar_unlocked(void) libcesque;
wint_t fgetwc_unlocked(FILE *) libcesque; wint_t fgetwc_unlocked(FILE *) libcesque __read_write(1);
wint_t fputwc_unlocked(wchar_t, FILE *) libcesque; wint_t fputwc_unlocked(wchar_t, FILE *) libcesque __read_write(2);
wint_t putwc_unlocked(wchar_t, FILE *) libcesque; wint_t putwc_unlocked(wchar_t, FILE *) libcesque __read_write(2);
wint_t putwchar_unlocked(wchar_t) libcesque; wint_t putwchar_unlocked(wchar_t) libcesque;
wchar_t *fgetws_unlocked(wchar_t *, int, FILE *) libcesque; wchar_t *fgetws_unlocked(wchar_t *, int, FILE *) libcesque __write_only(1, 2) __read_write(3);
int fputws_unlocked(const wchar_t *, FILE *) libcesque; int fputws_unlocked(const wchar_t *, FILE *) libcesque __read_only(1) __read_write(2);
wint_t ungetwc_unlocked(wint_t, FILE *) libcesque paramsnonnull(); wint_t ungetwc_unlocked(wint_t, FILE *) libcesque paramsnonnull() __read_write(2);
int ungetc_unlocked(int, FILE *) libcesque paramsnonnull(); int ungetc_unlocked(int, FILE *) libcesque paramsnonnull() __read_write(2);
int fseek_unlocked(FILE *, int64_t, int) libcesque paramsnonnull(); int fseek_unlocked(FILE *, int64_t, int) libcesque paramsnonnull() __read_write(1);
ssize_t getdelim_unlocked(char **, size_t *, int, FILE *) paramsnonnull(); ssize_t getdelim_unlocked(char **, size_t *, int, FILE *) paramsnonnull() __read_write(1) __read_write(2) __read_write(4);
int fprintf_unlocked(FILE *, const char *, ...) printfesque(2) libcesque; int fprintf_unlocked(FILE *, const char *, ...) printfesque(2) libcesque __read_write(1) __read_only(2);
int vfprintf_unlocked(FILE *, const char *, va_list) paramsnonnull() libcesque; int vfprintf_unlocked(FILE *, const char *, va_list) paramsnonnull() libcesque __read_write(1) __read_only(2);
COSMOPOLITAN_C_END_ COSMOPOLITAN_C_END_
#endif /* COSMOPOLITAN_LIBC_STDIO_H_ */ #endif /* COSMOPOLITAN_LIBC_STDIO_H_ */

1
libc/stdio/vasprintf.c
View file

@ -52,6 +52,7 @@ int vasprintf(char **strp, const char *fmt, va_list va) {
*strp = p; *strp = p;
return rc; return rc;
} else { } else {
free(p);
return -1; return -1;
} }
} }

30
libc/stdio/vcscanf.c
View file

@ -254,11 +254,15 @@ int __vcscanf(int callback(void *), //
c = READ; c = READ;
} }
fpbufsize = FP_BUFFER_GROW; fpbufsize = FP_BUFFER_GROW;
fpbuf = malloc(fpbufsize); if ((fpbuf = malloc(fpbufsize))) {
fpbufcur = 0; fpbufcur = 0;
fpbuf[fpbufcur++] = c; fpbuf[fpbufcur++] = c;
fpbuf[fpbufcur] = '\0'; fpbuf[fpbufcur] = '\0';
goto ConsumeFloatingPointNumber; goto ConsumeFloatingPointNumber;
} else {
items = -1;
goto Done;
}
default: default:
items = einval(); items = einval();
goto Done; goto Done;
@ -513,12 +517,16 @@ int __vcscanf(int callback(void *), //
if (discard) { if (discard) {
buf = NULL; buf = NULL;
} else if (ismalloc) { } else if (ismalloc) {
buf = malloc(bufsize * charbytes); if ((buf = malloc(bufsize * charbytes))) {
struct FreeMe *entry; struct FreeMe *entry;
if (buf && (entry = calloc(1, sizeof(struct FreeMe)))) { if (buf && (entry = calloc(1, sizeof(struct FreeMe)))) {
entry->ptr = buf; entry->ptr = buf;
entry->next = freeme; entry->next = freeme;
freeme = entry; freeme = entry;
}
} else {
items = -1;
goto Done;
} }
} else { } else {
buf = va_arg(va, void *); buf = va_arg(va, void *);

2
third_party/libcxx/string vendored
View file

@ -10,6 +10,8 @@
#ifndef _LIBCPP_STRING #ifndef _LIBCPP_STRING
#define _LIBCPP_STRING #define _LIBCPP_STRING
#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
// clang-format off // clang-format off
/* /*

3
third_party/libcxxabi/cxa_guard_impl.h vendored
View file

@ -338,7 +338,10 @@ public:
return true; return true;
if (has_thread_id_support) if (has_thread_id_support)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
*thread_id_address = current_thread_id.get(); *thread_id_address = current_thread_id.get();
#pragma GCC diagnostic pop
*init_byte_address = PENDING_BIT; *init_byte_address = PENDING_BIT;
return false; return false;

8
tool/build/bigmul.c
View file

@ -48,8 +48,10 @@ void Multiply%dx%d(uint64_t C[%d], const uint64_t A[%d], const uint64_t B[%d]) {
uint64_t z,h,l;\n\ uint64_t z,h,l;\n\
uint64_t ", uint64_t ",
(n + m) * 64, n * 64, m * 64, n + m, n, m, n, m, n + m, n, m); (n + m) * 64, n * 64, m * 64, n + m, n, m, n, m, n + m, n, m);
Rs = gc(calloc(sizeof(*Rs), n + m + 1)); if (!(Rs = calloc(sizeof(*Rs), n + m + 1)))
Ra = gc(calloc(sizeof(*Ra), n + m + 1)); __builtin_trap();
if (!(Ra = calloc(sizeof(*Ra), n + m + 1)))
__builtin_trap();
for (j = 0; j < n; ++j) { for (j = 0; j < n; ++j) {
if (j) if (j)
printf(", "); printf(", ");
@ -172,6 +174,8 @@ void Multiply%dx%d(uint64_t C[%d], const uint64_t A[%d], const uint64_t B[%d]) {
} }
printf("}\n"); printf("}\n");
fflush(stdout); fflush(stdout);
free(Ra);
free(Rs);
} }
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {

6
tool/build/dd.c
View file

@ -19,6 +19,8 @@
#include "libc/calls/calls.h" #include "libc/calls/calls.h"
#include "libc/fmt/conv.h" #include "libc/fmt/conv.h"
#include "libc/limits.h" #include "libc/limits.h"
#include "libc/mem/gc.h"
#include "libc/mem/mem.h"
#include "libc/runtime/runtime.h" #include "libc/runtime/runtime.h"
#include "libc/stdio/stdio.h" #include "libc/stdio/stdio.h"
#include "libc/str/str.h" #include "libc/str/str.h"
@ -44,8 +46,8 @@ int main(int argc, char *argv[]) {
long count = LONG_MAX; long count = LONG_MAX;
long blocksize = 1; long blocksize = 1;
int oflags = O_WRONLY | O_TRUNC | O_CREAT; int oflags = O_WRONLY | O_TRUNC | O_CREAT;
const char *infile = "/dev/stdin"; char *infile = gc(strdup("/dev/stdin"));
const char *oufile = "/dev/stdout"; char *oufile = gc(strdup("/dev/stdout"));
prog = argv[0]; prog = argv[0];
if (!prog) if (!prog)

4
tool/build/freebsd2sysv.c
View file

@ -25,7 +25,7 @@
#include "libc/sysv/consts/prot.h" #include "libc/sysv/consts/prot.h"
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
open(argv[1], O_RDWR); int fd = open(argv[1], O_RDWR);
Elf64_Ehdr *e = mmap(0, 64, PROT_READ | PROT_WRITE, MAP_SHARED, 3, 0); Elf64_Ehdr *e = mmap(0, 64, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
e->e_ident[EI_OSABI] = ELFOSABI_SYSV; e->e_ident[EI_OSABI] = ELFOSABI_SYSV;
} }

33
tool/build/gzip.c
View file

@ -139,6 +139,7 @@ void Compress(const char *inpath) {
FILE *input; FILE *input;
gzFile output; gzFile output;
int rc, errnum; int rc, errnum;
FILE *closeme = 0;
const char *outpath; const char *outpath;
char *p, openflags[5]; char *p, openflags[5];
if ((!inpath || opt_usestdout) && (!isatty(1) || opt_force)) { if ((!inpath || opt_usestdout) && (!isatty(1) || opt_force)) {
@ -151,7 +152,7 @@ void Compress(const char *inpath) {
exit(1); exit(1);
} }
if (inpath) { if (inpath) {
input = fopen(inpath, "rb"); input = closeme = fopen(inpath, "rb");
} else { } else {
inpath = "/dev/stdin"; inpath = "/dev/stdin";
input = stdin; input = stdin;
@ -178,8 +179,9 @@ void Compress(const char *inpath) {
} }
if (!output) { if (!output) {
fputs(outpath, stderr); fputs(outpath, stderr);
fputs(": gzopen() failed\n", stderr); fputs(": gzopen() failed: ", stderr);
fputs(_strerdoc(errno), stderr); const char *s = _strerdoc(errno);
fputs(s ? s : "EUNKNOWN", stderr);
fputs("\n", stderr); fputs("\n", stderr);
exit(1); exit(1);
} }
@ -189,7 +191,8 @@ void Compress(const char *inpath) {
errnum = 0; errnum = 0;
fputs(inpath, stderr); fputs(inpath, stderr);
fputs(": read failed: ", stderr); fputs(": read failed: ", stderr);
fputs(_strerdoc(ferror(input)), stderr); const char *s = _strerdoc(ferror(input));
fputs(s ? s : "EUNKNOWN", stderr);
fputs("\n", stderr); fputs("\n", stderr);
_Exit(1); _Exit(1);
} }
@ -201,8 +204,8 @@ void Compress(const char *inpath) {
_Exit(1); _Exit(1);
} }
} while (rc == sizeof(databuf)); } while (rc == sizeof(databuf));
if (input != stdin) { if (closeme) {
if (fclose(input)) { if (fclose(closeme)) {
fputs(inpath, stderr); fputs(inpath, stderr);
fputs(": close failed\n", stderr); fputs(": close failed\n", stderr);
_Exit(1); _Exit(1);
@ -221,6 +224,7 @@ void Compress(const char *inpath) {
void Decompress(const char *inpath) { void Decompress(const char *inpath) {
FILE *output; FILE *output;
gzFile input; gzFile input;
FILE *closeme = 0;
int rc, n, errnum; int rc, n, errnum;
const char *outpath; const char *outpath;
outpath = 0; outpath = 0;
@ -233,8 +237,9 @@ void Decompress(const char *inpath) {
} }
if (!input) { if (!input) {
fputs(inpath, stderr); fputs(inpath, stderr);
fputs(": gzopen() failed\n", stderr); fputs(": gzopen() failed: ", stderr);
fputs(_strerdoc(errno), stderr); const char *s = _strerdoc(errno);
fputs(s ? s : "EUNKNOWN", stderr);
fputs("\n", stderr); fputs("\n", stderr);
exit(1); exit(1);
} }
@ -248,10 +253,11 @@ void Decompress(const char *inpath) {
memcpy(pathbuf, inpath, n - 3); memcpy(pathbuf, inpath, n - 3);
pathbuf[n - 3] = 0; pathbuf[n - 3] = 0;
outpath = pathbuf; outpath = pathbuf;
if (!(output = fopen(outpath, opt_append ? "wa" : "wb"))) { if (!(output = closeme = fopen(outpath, opt_append ? "wa" : "wb"))) {
fputs(outpath, stderr); fputs(outpath, stderr);
fputs(": open failed: ", stderr); fputs(": open failed: ", stderr);
fputs(_strerdoc(errno), stderr); const char *s = _strerdoc(errno);
fputs(s ? s : "EUNKNOWN", stderr);
fputs("\n", stderr); fputs("\n", stderr);
_Exit(1); _Exit(1);
} }
@ -273,7 +279,8 @@ void Decompress(const char *inpath) {
if (fwrite(databuf, rc, 1, output) != 1) { if (fwrite(databuf, rc, 1, output) != 1) {
fputs(outpath, stderr); fputs(outpath, stderr);
fputs(": write failed: ", stderr); fputs(": write failed: ", stderr);
fputs(_strerdoc(ferror(output)), stderr); const char *s = _strerdoc(ferror(output));
fputs(s ? s : "EUNKNOWN", stderr);
fputs("\n", stderr); fputs("\n", stderr);
_Exit(1); _Exit(1);
} }
@ -283,8 +290,8 @@ void Decompress(const char *inpath) {
fputs(": gzclose failed\n", stderr); fputs(": gzclose failed\n", stderr);
_Exit(1); _Exit(1);
} }
if (output != stdout) { if (closeme) {
if (fclose(output)) { if (fclose(closeme)) {
fputs(outpath, stderr); fputs(outpath, stderr);
fputs(": close failed\n", stderr); fputs(": close failed\n", stderr);
_Exit(1); _Exit(1);

4
tool/build/runit.c
View file

@ -204,7 +204,8 @@ bool Send(int tmpfd, const void *output, size_t outputsize) {
static bool once; static bool once;
static z_stream zs; static z_stream zs;
zsize = 32768; zsize = 32768;
zbuf = gc(malloc(zsize)); if (!(zbuf = malloc(zsize)))
__builtin_trap();
if (!once) { if (!once) {
CHECK_EQ(Z_OK, deflateInit2(&zs, 4, Z_DEFLATED, MAX_WBITS, DEF_MEM_LEVEL, CHECK_EQ(Z_OK, deflateInit2(&zs, 4, Z_DEFLATED, MAX_WBITS, DEF_MEM_LEVEL,
Z_DEFAULT_STRATEGY)); Z_DEFAULT_STRATEGY));
@ -226,6 +227,7 @@ bool Send(int tmpfd, const void *output, size_t outputsize) {
break; break;
} }
} while (!zs.avail_out); } while (!zs.avail_out);
free(zbuf);
return ok; return ok;
} }

15
tool/emacs/cosmo-c-keywords.el
View file

@ -218,7 +218,20 @@
"__sysv_abi__" "__sysv_abi__"
"__mode__" "__mode__"
"__seg_fs" "__seg_fs"
"__seg_gs")) "__seg_gs"
"__access__"
"__read_only__"
"__write_only__"
"__read_write__"
"__read_only"
"__write_only"
"__read_write"
"__fd_arg__"
"__fd_arg"
"__copy__"
"__retain__"
"__tainted_args__"
"__zero_call_used_regs__"))
(clang (clang
'("__optnone__" '("__optnone__"