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Clean up some code

Browse source 
- Use good ELF technique in cosmo_dlopen()
- Make strerror() conform more to other libc impls
- Introduce __clear_cache() and use it in cosmo_dlopen()
- Remove libc/fmt/fmt.h header (trying to kill off LIBC_FMT)
This commit is contained in:
Justine Tunney 2023-11-16 16:34:53 -08:00
parent 7010a8081e
commit 68c7c9c1e0
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
244 changed files with 378 additions and 588 deletions
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1
dsp/tty/describe.c
View file

@ -17,7 +17,6 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "dsp/tty/tty.h"
#include "libc/fmt/fmt.h"
#include "libc/mem/mem.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"

2
examples/dlopen.c
View file

@ -10,7 +10,6 @@
#include "libc/calls/calls.h"
#include "libc/dlopen/dlfcn.h"
#include "libc/fmt/itoa.h"
#include "libc/intrin/kprintf.h"
#include "libc/nt/thunk/msabi.h"
#include "libc/runtime/runtime.h"
@ -24,6 +23,7 @@
* - x86-64 FreeBSD
* - x86-64 Windows
* - aarch64 Linux w/ Glibc
* - aarch64 Linux w/ Musl Libc
* - aarch64 MacOS
*
*/

1
examples/hiredis.c
View file

@ -9,7 +9,6 @@
#endif
#include "libc/runtime/runtime.h"
#include "libc/fmt/conv.h"
#include "libc/fmt/fmt.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "third_party/hiredis/hiredis.h"

1
examples/kilo.c
View file

@ -62,7 +62,6 @@ Contact: antirez@gmail.com\"\n\
#include "libc/calls/termios.h"
#include "libc/calls/weirdtypes.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/log/log.h"
#include "libc/mem/alg.h"
#include "libc/mem/arraylist2.internal.h"

1
examples/nesemu1.cc
View file

@ -19,7 +19,6 @@
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/fmt/conv.h"
#include "libc/fmt/fmt.h"
#include "libc/intrin/bits.h"
#include "libc/intrin/safemacros.internal.h"
#include "libc/inttypes.h"

1
examples/picol.c
View file

@ -33,7 +33,6 @@
*/
#include "libc/fmt/conv.h"
#include "libc/fmt/fmt.h"
#include "libc/log/log.h"
#include "libc/mem/mem.h"
#include "libc/runtime/runtime.h"

1
examples/portscan.c
View file

@ -12,7 +12,6 @@
#include "libc/calls/struct/timeval.h"
#include "libc/errno.h"
#include "libc/fmt/conv.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/magnumstrs.internal.h"
#include "libc/mem/alloca.h"
#include "libc/runtime/runtime.h"

1
examples/stat.c
View file

@ -11,7 +11,6 @@
#include "libc/calls/calls.h"
#include "libc/errno.h"
#include "libc/fmt/conv.h"
#include "libc/fmt/fmt.h"
#include "libc/log/check.h"
#include "libc/log/log.h"
#include "libc/mem/gc.h"

1
examples/stringbuffer.c
View file

@ -8,7 +8,6 @@
╚─────────────────────────────────────────────────────────────────*/
#endif
#include "libc/calls/calls.h"
#include "libc/fmt/fmt.h"
#include "libc/log/check.h"
#include "libc/mem/mem.h"
#include "libc/stdio/append.h"

1
examples/ttyinfo.c
View file

@ -15,7 +15,6 @@
#include "libc/calls/struct/sigset.h"
#include "libc/calls/termios.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/log/check.h"
#include "libc/log/log.h"
#include "libc/runtime/runtime.h"

1
examples/unbourne.c
View file

@ -122,7 +122,6 @@
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/fmt/conv.h"
#include "libc/fmt/fmt.h"
#include "libc/intrin/safemacros.internal.h"
#include "libc/limits.h"
#include "libc/log/log.h"

1
examples/wall.c
View file

@ -11,7 +11,6 @@
#include "libc/calls/struct/timespec.h"
#include "libc/calls/termios.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/runtime/runtime.h"
#include "libc/stdio/append.h"
#include "libc/stdio/stdio.h"

1
libc/calls/ntaccesscheck.c
View file

@ -24,7 +24,6 @@
#include "libc/calls/syscall_support-nt.internal.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/intrin/strace.internal.h"
#include "libc/intrin/weaken.h"
#include "libc/mem/mem.h"

1
libc/calls/ttyname_r.c
View file

@ -24,7 +24,6 @@
#include "libc/calls/syscall-sysv.internal.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/itoa.h"
#include "libc/fmt/magnumstrs.internal.h"
#include "libc/intrin/strace.internal.h"

52
libc/dlopen/dlopen.c
View file

@ -16,6 +16,7 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/assert.h"
#include "libc/atomic.h"
#include "libc/calls/calls.h"
#include "libc/calls/struct/sigset.internal.h"
@ -34,8 +35,8 @@
#include "libc/elf/struct/phdr.h"
#include "libc/errno.h"
#include "libc/fmt/itoa.h"
#include "libc/intrin/atomic.h"
#include "libc/intrin/bits.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/strace.internal.h"
#include "libc/limits.h"
#include "libc/nt/dll.h"
@ -69,11 +70,6 @@
* @kudos jacereda for figuring out how to do this
*/
#define XNU_RTLD_LAZY 1
#define XNU_RTLD_NOW 2
#define XNU_RTLD_LOCAL 4
#define XNU_RTLD_GLOBAL 8
#define AMD_REXB 0x41
#define AMD_REXW 0x48
#define AMD_MOV_IMM 0xb8
@ -83,11 +79,16 @@
#define ARM_IDX_OFF 21
#define ARM_MOV_NEX 0xf2800000u
#define XNU_RTLD_LAZY 1
#define XNU_RTLD_NOW 2
#define XNU_RTLD_LOCAL 4
#define XNU_RTLD_GLOBAL 8
#define HELPER \
"#include <dlfcn.h>\n\
#include <stdio.h>\n\
#include <stdlib.h>\n\
int main(int argc, char *argv[]) {\n\
int main(int argc, char **argv, char **envp) {\n\
char *ep;\n\
long addr;\n\
if (argc != 2) {\n\
@ -201,7 +202,7 @@ static char *elf_map(int fd, Elf64_Ehdr *ehdr, Elf64_Phdr *phdr, long pagesz,
char *interp_path, size_t interp_size) {
Elf64_Addr maxva = 0;
Elf64_Addr minva = -1;
for (Elf64_Phdr *p = phdr; p < &phdr[ehdr->e_phnum]; p++) {
for (Elf64_Phdr *p = phdr; p < phdr + ehdr->e_phnum; p++) {
if (p->p_type != PT_LOAD) {
continue;
}
@ -227,18 +228,31 @@ static char *elf_map(int fd, Elf64_Ehdr *ehdr, Elf64_Phdr *phdr, long pagesz,
}
continue;
}
int prot = elf2prot(p->p_flags);
Elf64_Addr skew = p->p_vaddr & (pagesz - 1);
Elf64_Off off = p->p_offset - skew;
if (__sys_mmap(base + p->p_vaddr - skew, skew + p->p_filesz, prot,
Elf64_Addr a = p->p_vaddr + p->p_filesz;
Elf64_Addr b = (a + (pagesz - 1)) & -pagesz;
Elf64_Addr c = p->p_vaddr + p->p_memsz;
int prot2 = elf2prot(p->p_flags);
int prot1 = prot2;
if (b > a) {
prot1 |= PROT_WRITE;
prot1 &= ~PROT_EXEC;
}
if (__sys_mmap(base + p->p_vaddr - skew, skew + p->p_filesz, prot1,
MAP_FIXED | MAP_PRIVATE, fd, off, off) == MAP_FAILED) {
return MAP_FAILED;
}
Elf64_Addr fend = (p->p_vaddr + p->p_filesz + (pagesz - 1)) & -pagesz;
Elf64_Addr mend = p->p_vaddr + p->p_memsz;
if (mend > fend && __sys_mmap(base + fend, mend - fend, prot,
MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1,
0, 0) == MAP_FAILED) {
if (b > a) {
bzero(base + a, b - a);
}
if (c > b && __sys_mmap(base + b, c - b, prot2,
MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0,
0) == MAP_FAILED) {
return MAP_FAILED;
}
if (prot1 != prot2 &&
sys_mprotect(base + p->p_vaddr - skew, skew + p->p_filesz, prot2)) {
return MAP_FAILED;
}
}
@ -302,14 +316,14 @@ static dontinline void elf_exec(const char *file, char **envp) {
// get microprocessor page size
long pagesz = getauxval(AT_PAGESZ);
// load executable
// load helper executable into address space
struct Loaded prog;
char interp_path[256] = {0};
if (!elf_load(&prog, file, pagesz, interp_path, sizeof(interp_path))) {
return;
}
// load platform libc
// load platform c library into address space
struct Loaded interp;
if (!elf_load(&interp, interp_path, pagesz, 0, 0)) {
return;
@ -343,6 +357,7 @@ static dontinline void elf_exec(const char *file, char **envp) {
FormatInt64(address_argument, (uintptr_t)foreign_helper);
// push auxiliary values
// these tell the platform libc how to load the executable
*--sp = 0;
unsigned long key, val;
for (av = (Elf64_auxv_t *)__auxv; (key = av->a_type); ++av) {
@ -508,7 +523,8 @@ static void *foreign_thunk_sysv(void *func) {
if (!(p = code = foreign_alloc(36))) return 0; // 16 + 16 + 4 = 36
p = movimm(p, 5, (uintptr_t)func);
p = movimm(p, 10, (uintptr_t)foreign_tramp);
*(uint32_t *)p = 0xd63f0140; // blr x10
*(uint32_t *)p = 0xd61f0140; // br x10
__clear_cache(code, p + 4);
#else
#error "unsupported architecture"
#endif

1
libc/dlopen/dlopen.mk
View file

@ -34,6 +34,7 @@ LIBC_DLOPEN_A_DIRECTDEPS = \
LIBC_SYSV \
LIBC_SYSV_CALLS \
LIBC_STR \
THIRD_PARTY_COMPILER_RT
LIBC_DLOPEN_A_DEPS := \
$(call uniq,$(foreach x,$(LIBC_DLOPEN_A_DIRECTDEPS),$($(x))))

1
libc/dns/gethoststxt.c
View file

@ -21,7 +21,6 @@
#include "libc/dce.h"
#include "libc/dns/hoststxt.h"
#include "libc/dns/servicestxt.h"
#include "libc/fmt/fmt.h"
#include "libc/intrin/bits.h"
#include "libc/intrin/pushpop.internal.h"
#include "libc/intrin/safemacros.internal.h"

1
libc/dns/getnameinfo.c
View file

@ -31,7 +31,6 @@
#include "libc/dns/resolvconf.h"
#include "libc/dns/servicestxt.h"
#include "libc/fmt/conv.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/itoa.h"
#include "libc/intrin/safemacros.internal.h"
#include "libc/mem/mem.h"

1
libc/dns/getresolvconf.c
View file

@ -19,7 +19,6 @@
#include "libc/cxxabi.h"
#include "libc/dce.h"
#include "libc/dns/resolvconf.h"
#include "libc/fmt/fmt.h"
#include "libc/intrin/pushpop.internal.h"
#include "libc/macros.internal.h"
#include "libc/mem/mem.h"

1
libc/dns/resolvehostsreverse.c
View file

@ -19,7 +19,6 @@
#include "libc/dns/consts.h"
#include "libc/dns/dns.h"
#include "libc/dns/hoststxt.h"
#include "libc/fmt/fmt.h"
#include "libc/intrin/bits.h"
#include "libc/mem/alg.h"
#include "libc/sock/sock.h"

6
libc/fmt/__xpg_strerror_r.c
View file

@ -16,9 +16,9 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/str/str.h"
int __xpg_strerror_r(int a, char *b, size_t c) {
return strerror_r(a, b, c);
char *__xpg_strerror_r(int a, char *b, size_t c) {
strerror_r(a, b, c);
return b;
}

5
libc/fmt/atoi.c
View file

@ -41,9 +41,8 @@
*/
int atoi(const char *s) {
int x, c, d;
do {
c = *s++;
} while (c == ' ' || c == '\t');
do c = *s++;
while (c == ' ' || c == '\t');
d = c == '-' ? -1 : 1;
if (c == '-' || c == '+') c = *s++;
for (x = 0; isdigit(c); c = *s++) {

5
libc/fmt/atol.c
View file

@ -31,9 +31,8 @@
long atol(const char *s) {
long x;
int c, d;
do {
c = *s++;
} while (c == ' ' || c == '\t');
do c = *s++;
while (c == ' ' || c == '\t');
d = c == '-' ? -1 : 1;
if (c == '-' || c == '+') c = *s++;
for (x = 0; isdigit(c); c = *s++) {

11
libc/fmt/conv.h
View file

@ -72,17 +72,6 @@ imaxdiv_t imaxdiv(intmax_t, intmax_t) pureconst;
#define lldiv(num, den) ((lldiv_t){(num) / (den), (num) % (den)})
#endif
#if (__GNUC__ * 100 + __GNUC_MINOR__ >= 406 || defined(__llvm__)) && \
!defined(__STRICT_ANSI__) && defined(_COSMO_SOURCE) && \
!defined(__COSMOCC__)
int128_t i128abs(int128_t)
libcesque pureconst;
int128_t strtoi128(const char *, char **, int) paramsnonnull((1));
uint128_t strtou128(const char *, char **, int) paramsnonnull((1));
int128_t wcstoi128(const wchar_t *, wchar_t **, int);
uint128_t wcstou128(const wchar_t *, wchar_t **, int);
#endif /* gcc 4.6+ */
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_FMT_CONV_H_ */

2
libc/fmt/divmod10.internal.h
View file

@ -8,7 +8,7 @@ forceinline uint64_t __divmod10(uint64_t __x, unsigned *__r) {
*__r = __x % 10;
return __x / 10;
#else
uint128_t __dw;
unsigned __int128 __dw;
unsigned long long __hi, __rm;
__dw = __x;
__dw *= 0xcccccccccccccccdull;

25
libc/fmt/fmt.h
View file

@ -1,25 +0,0 @@
#ifndef COSMOPOLITAN_LIBC_FMT_FMT_H_
#define COSMOPOLITAN_LIBC_FMT_FMT_H_
#if __SIZEOF_POINTER__ == 8
#define POINTER_XDIGITS 12 /* math.log(2**48-1,16) */
#else
#define POINTER_XDIGITS 8
#endif
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
char *fcvt(double, int, int *, int *);
char *ecvt(double, int, int *, int *);
char *gcvt(double, int, char *);
#ifdef _COSMO_SOURCE
int __vcscanf(int (*)(void *), int (*)(int, void *), void *, const char *,
va_list);
int __fmt(void *, void *, const char *, va_list);
#endif
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_FMT_FMT_H_ */

11
libc/fmt/fmt.mk
View file

@ -76,17 +76,6 @@ o/$(MODE)/libc/fmt/wcstoumax.o: private \
CFLAGS += \
-Os
# we can't use compiler magic because:
# kprintf() depends on these functions
o/$(MODE)/libc/fmt/strerrno.greg.o \
o/$(MODE)/libc/fmt/strerrdoc.greg.o \
o/$(MODE)/libc/fmt/strerror_wr.greg.o: private \
COPTS += \
-fpie \
-fno-sanitize=all \
-fno-stack-protector \
-fpatchable-function-entry=0,0
LIBC_FMT_LIBS = $(foreach x,$(LIBC_FMT_ARTIFACTS),$($(x)))
LIBC_FMT_SRCS = $(foreach x,$(LIBC_FMT_ARTIFACTS),$($(x)_SRCS))
LIBC_FMT_HDRS = $(foreach x,$(LIBC_FMT_ARTIFACTS),$($(x)_HDRS))

4
libc/fmt/strtol.internal.h → libc/fmt/internal.h
View file

@ -41,4 +41,8 @@
} \
}
int __vcscanf(int (*)(void *), int (*)(int, void *), void *, const char *,
va_list);
int __fmt(void *, void *, const char *, va_list);
#endif /* COSMOPOLITAN_LIBC_FMT_STRTOL_H_ */

39
libc/fmt/itoa64radix8.c
View file

@ -1,39 +0,0 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/conv.h"
#include "libc/fmt/itoa.h"
#include "libc/limits.h"
#include "libc/mem/reverse.internal.h"
/**
* Converts unsigned 64-bit integer to octal string.
* @param a needs at least 24 bytes
* @return bytes written w/o nul
*/
dontinline size_t uint64toarray_radix8(uint64_t i, char a[hasatleast 24]) {
size_t j;
j = 0;
do {
a[j++] = i % 8 + '0';
i /= 8;
} while (i > 0);
a[j] = '\0';
reverse(a, j);
return j;
}

1
libc/fmt/sizetol.c
View file

@ -17,7 +17,6 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/conv.h"
#include "libc/fmt/fmt.h"
#include "libc/stdckdint.h"
#include "libc/str/str.h"
#include "libc/sysv/errfuns.h"

1
libc/fmt/stripext.c
View file

@ -16,7 +16,6 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/str/str.h"
/**

1
libc/fmt/stripexts.c
View file

@ -16,7 +16,6 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/str/str.h"
/**

2
libc/fmt/strtol.c
View file

@ -18,7 +18,7 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/errno.h"
#include "libc/fmt/conv.h"
#include "libc/fmt/strtol.internal.h"
#include "libc/fmt/internal.h"
#include "libc/limits.h"
#include "libc/stdckdint.h"
#include "libc/str/str.h"

2
libc/fmt/strtoul.c
View file

@ -18,7 +18,7 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/errno.h"
#include "libc/fmt/conv.h"
#include "libc/fmt/strtol.internal.h"
#include "libc/fmt/internal.h"
#include "libc/limits.h"
#include "libc/stdckdint.h"
#include "libc/str/str.h"

2
libc/fmt/wcstol.c
View file

@ -18,7 +18,7 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/errno.h"
#include "libc/fmt/conv.h"
#include "libc/fmt/strtol.internal.h"
#include "libc/fmt/internal.h"
#include "libc/limits.h"
#include "libc/stdckdint.h"
#include "libc/str/str.h"

2
libc/fmt/wcstoul.c
View file

@ -18,7 +18,7 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/errno.h"
#include "libc/fmt/conv.h"
#include "libc/fmt/strtol.internal.h"
#include "libc/fmt/internal.h"
#include "libc/limits.h"
#include "libc/stdckdint.h"
#include "libc/str/str.h"

38
libc/fmt/itoa64.c → libc/intrin/__clear_cache.c
View file

@ -1,7 +1,7 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ Copyright 2023 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
@ -16,26 +16,22 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/conv.h"
#include "libc/fmt/itoa.h"
#include "libc/mem/reverse.internal.h"
dontinline size_t uint64toarray(uint64_t i, char *a, int r) {
size_t j;
j = 0;
do {
a[j++] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"[i % r];
i /= r;
} while (i > 0);
a[j] = '\0';
reverse(a, j);
return j;
}
size_t int64toarray(int64_t i, char *a, int r) {
if (i < 0) {
*a++ = '-';
i = -(uint64_t)i;
void __clear_cache2(const void *base, const void *end) {
#ifdef __aarch64__
int icache, dcache;
const char *p, *pe = end;
static unsigned int ctr_el0 = 0;
if (!ctr_el0) asm volatile("mrs\t%0,ctr_el0" : "=r"(ctr_el0));
icache = 4 << (ctr_el0 & 15);
dcache = 4 << ((ctr_el0 >> 16) & 15);
for (p = (const char *)((uintptr_t)base & -dcache); p < pe; p += dcache) {
asm volatile("dc\tcvau,%0" : : "r"(p) : "memory");
}
return uint64toarray(i, a, r);
asm volatile("dsb\tish" ::: "memory");
for (p = (const char *)((uintptr_t)base & -icache); p < pe; p += icache) {
asm volatile("ic\tivau,%0" : : "r"(p) : "memory");
}
asm volatile("dsb\tish\nisb" ::: "memory");
#endif
}

4
libc/intrin/formatint32.c
View file

@ -24,7 +24,7 @@
* @param p needs at least 12 bytes
* @return pointer to nul byte
*/
privileged dontinline char *FormatUint32(char p[hasatleast 12], uint32_t x) {
dontinline char *FormatUint32(char p[hasatleast 12], uint32_t x) {
char t;
size_t i, a, b;
i = 0;
@ -49,7 +49,7 @@ privileged dontinline char *FormatUint32(char p[hasatleast 12], uint32_t x) {
* @param p needs at least 12 bytes
* @return pointer to nul byte
*/
privileged char *FormatInt32(char p[hasatleast 12], int32_t x) {
char *FormatInt32(char p[hasatleast 12], int32_t x) {
if (x < 0) *p++ = '-', x = -(uint32_t)x;
return FormatUint32(p, x);
}

32
libc/intrin/kprintf.greg.c
View file

@ -18,32 +18,18 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/intrin/kprintf.h"
#include "ape/sections.internal.h"
#include "libc/calls/calls.h"
#include "libc/calls/state.internal.h"
#include "libc/calls/syscall-sysv.internal.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/fmt/divmod10.internal.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/itoa.h"
#include "libc/fmt/magnumstrs.internal.h"
#include "libc/intrin/asan.internal.h"
#include "libc/intrin/asancodes.h"
#include "libc/intrin/asmflag.h"
#include "libc/intrin/atomic.h"
#include "libc/intrin/bits.h"
#include "libc/intrin/cmpxchg.h"
#include "libc/intrin/getenv.internal.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/likely.h"
#include "libc/intrin/nomultics.internal.h"
#include "libc/intrin/safemacros.internal.h"
#include "libc/intrin/strace.internal.h"
#include "libc/intrin/weaken.h"
#include "libc/limits.h"
#include "libc/log/internal.h"
#include "libc/macros.internal.h"
#include "libc/mem/alloca.h"
#include "libc/nexgen32e/rdtsc.h"
#include "libc/nexgen32e/uart.internal.h"
#include "libc/nt/createfile.h"
@ -56,25 +42,21 @@
#include "libc/nt/process.h"
#include "libc/nt/runtime.h"
#include "libc/nt/thunk/msabi.h"
#include "libc/nt/winsock.h"
#include "libc/runtime/internal.h"
#include "libc/runtime/memtrack.internal.h"
#include "libc/runtime/runtime.h"
#include "libc/runtime/stack.h"
#include "libc/runtime/symbols.internal.h"
#include "libc/stdckdint.h"
#include "libc/str/str.h"
#include "libc/str/tab.internal.h"
#include "libc/str/utf16.h"
#include "libc/sysv/consts/at.h"
#include "libc/sysv/consts/auxv.h"
#include "libc/sysv/consts/f.h"
#include "libc/sysv/consts/fd.h"
#include "libc/sysv/consts/fileno.h"
#include "libc/sysv/consts/nr.h"
#include "libc/sysv/consts/o.h"
#include "libc/sysv/consts/prot.h"
#include "libc/thread/posixthread.internal.h"
#include "libc/thread/tls.h"
#include "libc/thread/tls2.internal.h"
#include "libc/vga/vga.internal.h"
@ -766,16 +748,9 @@ privileged static size_t kformat(char *b, size_t n, const char *fmt,
break;
} else {
type = 0;
#if defined(SYSDEBUG) && _NTTRACE
strerror_r(e, z, sizeof(z));
s = z;
#else
s = _strerrno(e);
if (!s) {
FormatInt32(z, e);
s = z;
if (!(s = _strerrno(e))) {
s = "EUNKNOWN";
}
#endif
goto FormatString;
}
}
@ -1145,8 +1120,7 @@ privileged void kvprintf(const char *fmt, va_list v) {
*
* Error numbers:
*
* - `%m` formats error (if strerror_wr if is linked)
* - `%m` formats errno number (if strerror_wr isn't linked)
* - `%m` formats errno as string
* - `% m` formats error with leading space if errno isn't zero
* - `%lm` means favor WSAGetLastError() over GetLastError() if linked
*

19
libc/intrin/strerror.c
View file

@ -17,21 +17,20 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/dce.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/magnumstrs.internal.h"
#include "libc/intrin/safemacros.internal.h"
#include "libc/str/str.h"
_Alignas(1) static char strerror_buf[128];
/**
* Converts errno value to string non-reentrantly.
* Returns string describing `err`.
*
* The application shall not modify the string returned.
*
* @see strerror_r()
* @threadunsafe
*/
char *strerror(int err) {
if (IsTiny()) {
return (char *)firstnonnull(_strerrno(err), "EUNKNOWN");
} else {
_Alignas(1) static char buf[512];
strerror_r(err, buf, sizeof(buf));
return buf;
}
strerror_r(err, strerror_buf, sizeof(strerror_buf));
return strerror_buf;
}

60
libc/intrin/strerror_r.c
View file

@ -16,25 +16,61 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#define ShouldUseMsabiAttribute() 1
#include "libc/dce.h"
#include "libc/intrin/strace.internal.h"
#include "libc/errno.h"
#include "libc/fmt/itoa.h"
#include "libc/fmt/magnumstrs.internal.h"
#include "libc/nt/runtime.h"
#include "libc/nt/thunk/msabi.h"
#include "libc/str/str.h"
// clang-format off
#if defined(SYSDEBUG) && _NTTRACE
privileged
#endif
/**
* Converts errno value to string.
*
* @param err is error number or zero if unknown
* @return 0 on success, or error code
* @return 0 on success, or errno on error
* @raise ERANGE if insufficient buffer was available, in which case a
* nul-terminated string is still copied to `buf`
*/
int strerror_r(int err, char *buf, size_t size) {
int winerr = IsWindows() ? __imp_GetLastError() : 0;
return strerror_wr(err, winerr, buf, size);
errno_t strerror_r(int err, char *buf, size_t size) {
int c;
char tmp[32];
char *p = buf;
char *pe = p + size;
// copy unix error information
const char *msg;
if (!err) {
msg = "No error information";
} else if (!(msg = _strerdoc(err))) {
FormatInt32(stpcpy(tmp, "Error "), err);
msg = tmp;
}
while ((c = *msg++) && p + 1 < pe) {
*p++ = c;
}
// copy windows error information
if (IsWindows()) {
uint32_t winerr;
if ((winerr = GetLastError()) != err) {
stpcpy(FormatUint32(stpcpy(tmp, " (win32 error "), winerr), ")");
msg = tmp;
while ((c = *msg++) && p + 1 < pe) {
*p++ = c;
}
}
}
// force nul terminator
if (p < pe) {
*p++ = 0;
}
// return result code
if (p < pe) {
return 0;
} else {
return ERANGE;
}
}

76
libc/intrin/strerror_wr.greg.c
View file

@ -1,76 +0,0 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#define ShouldUseMsabiAttribute() 1
#include "libc/dce.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/magnumstrs.internal.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/strace.internal.h"
#include "libc/macros.internal.h"
#include "libc/nt/enum/formatmessageflags.h"
#include "libc/nt/enum/lang.h"
#include "libc/nt/process.h"
#include "libc/str/str.h"
// clang-format off
#if defined(SYSDEBUG) && _NTTRACE
privileged
#endif
/**
* Converts errno value to string with explicit windows errno too.
*
* @param err is error number or zero if unknown
* @return 0 on success, or error code
*/
int strerror_wr(int err, uint32_t winerr, char *buf, size_t size) {
/* kprintf() weakly depends on this function */
int c, n;
char16_t winmsg[256];
const char *sym, *msg;
/* wanting = false; */
if (!(sym = _strerrno(err))) {
sym = "EUNKNOWN";
/* wanting = true; */
}
if (!(msg = _strerdoc(err))) {
msg = "No error information";
/* wanting = true; */
}
if (IsTiny()) {
if (!sym) sym = "EUNKNOWN";
for (; (c = *sym++); --size)
if (size > 1) *buf++ = c;
if (size) *buf = 0;
} else if (!IsWindows() /* || ((err == winerr || !winerr) && !wanting) */) {
ksnprintf(buf, size, "%s/%d/%s", sym, err, msg);
} else {
if ((n = __imp_FormatMessageW(
kNtFormatMessageFromSystem | kNtFormatMessageIgnoreInserts, 0,
winerr, MAKELANGID(kNtLangNeutral, kNtSublangDefault), winmsg,
ARRAYLEN(winmsg), 0))) {
while ((n && winmsg[n - 1] <= ' ') || winmsg[n - 1] == '.') --n;
ksnprintf(buf, size, "%s/%d/%s/%d/%.*hs", sym, err, msg, winerr, n,
winmsg);
} else {
ksnprintf(buf, size, "%s/%d/%s/%d", sym, err, msg, winerr);
}
}
return 0;
}

2
libc/intrin/strsignal.c
View file

@ -38,5 +38,5 @@ static char g_strsignal[21];
* @threadunsafe
*/
char *strsignal(int sig) {
return strsignal_r(sig, g_strsignal);
return (char *)strsignal_r(sig, g_strsignal);
}

17
libc/intrin/strsignal_r.c
View file

@ -16,7 +16,6 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/itoa.h"
#include "libc/fmt/magnumstrs.internal.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/sig.h"
@ -26,8 +25,7 @@
*
* This returns `"0"` for 0 which is the empty value. Symbolic names
* should be available for signals 1 through 32. If the system supports
* real-time signals, they're returned as `SIGRTMIN+%d`. For all other
* 32-bit signed integer, a plain integer representation is returned.
* real-time signals, they're returned as `SIGRTMIN+%d`.
*
* @param sig is signal number which should be in range 1 through 128
* @param buf may be used to store output having at least 15 bytes
@ -35,13 +33,14 @@
* @see sigaction()
* @asyncsignalsafe
*/
privileged char *strsignal_r(int sig, char buf[21]) {
privileged const char *strsignal_r(int sig, char buf[21]) {
char *p;
const char *s;
if (!sig) {
return "0";
}
if ((s = GetMagnumStr(kSignalNames, sig))) {
return (char *)s;
return s;
}
if (SIGRTMIN <= sig && sig <= SIGRTMAX) {
sig -= SIGRTMIN;
@ -54,9 +53,13 @@ privileged char *strsignal_r(int sig, char buf[21]) {
buf[6] = 'I';
buf[7] = 'N';
buf[8] = '+';
FormatInt32(buf + 9, sig);
p = buf + 9;
} else {
FormatInt32(buf, sig);
p = buf;
}
if (sig >= 100) *p++ = '0' + (unsigned char)sig / 100 % 10;
if (sig >= 10) *p++ = '0' + (unsigned char)sig / 10 % 10;
*p++ = '0' + (unsigned char)sig % 10;
*p = 0;
return buf;
}

1
libc/intrin/ubsan.c
View file

@ -17,7 +17,6 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/fmt/fmt.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/pushpop.internal.h"
#include "libc/intrin/strace.internal.h"

1
libc/isystem/stdio.h
View file

@ -2,7 +2,6 @@
#define _STDIO_H
#include "libc/calls/calls.h"
#include "libc/calls/weirdtypes.h"
#include "libc/fmt/fmt.h"
#include "libc/stdio/dprintf.h"
#include "libc/stdio/stdio.h"
#include "libc/temp.h"

1
libc/isystem/stdlib.h
View file

@ -10,6 +10,7 @@
#include "libc/runtime/runtime.h"
#include "libc/stdio/dprintf.h"
#include "libc/stdio/rand.h"
#include "libc/stdlib.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/exit.h"
#include "libc/temp.h"

1
libc/log/attachdebugger.c
View file

@ -19,7 +19,6 @@
#include "libc/calls/calls.h"
#include "libc/calls/syscall-sysv.internal.h"
#include "libc/dce.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/itoa.h"
#include "libc/intrin/safemacros.internal.h"
#include "libc/log/color.internal.h"

1
libc/log/backtrace3.c
View file

@ -18,7 +18,6 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/assert.h"
#include "libc/calls/calls.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/itoa.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/weaken.h"

3
libc/log/checkfail.c
View file

@ -18,7 +18,6 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/safemacros.internal.h"
#include "libc/intrin/strace.internal.h"
@ -32,8 +31,6 @@
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
__static_yoink("strerror_wr");
/**
* Handles failure of CHECK_xx() macros.
*/

1
libc/log/cxaprintexits.c
View file

@ -16,7 +16,6 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/intrin/bsf.h"
#include "libc/intrin/cxaatexit.internal.h"
#include "libc/log/log.h"

1
libc/log/gdbexec.c
View file

@ -17,7 +17,6 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/fmt/fmt.h"
#include "libc/intrin/safemacros.internal.h"
#include "libc/log/gdb.h"
#include "libc/log/log.h"

1
libc/log/logerrno.c
View file

@ -17,7 +17,6 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/log/log.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"

10
libc/log/meminfo.c
View file

@ -17,14 +17,13 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/stdio/dprintf.h"
#include "libc/fmt/fmt.h"
#include "libc/log/log.h"
#include "libc/mem/mem.h"
#include "libc/stdio/dprintf.h"
static void onmemchunk(void *start, void *end, size_t used_bytes, void *arg) {
(dprintf)(*(int *)arg, "%p - %p : %08zx / %08lx\n", start, end, used_bytes,
(intptr_t)end - (intptr_t)start);
dprintf(*(int *)arg, "%p - %p : %08zx / %08lx\n", start, end, used_bytes,
(intptr_t)end - (intptr_t)start);
}
/**
@ -32,7 +31,6 @@ static void onmemchunk(void *start, void *end, size_t used_bytes, void *arg) {
*/
void _meminfo(int fd) {
_memsummary(fd);
(dprintf)(fd, "%*s %*s %*s %*s\n", POINTER_XDIGITS, "start",
POINTER_XDIGITS, "end", 8, "used", 8, "size");
dprintf(fd, "%12s %12s %8s %8s\n", "start", "end", "used", "size");
malloc_inspect_all(onmemchunk, &fd);
}

3
libc/log/oncrash_amd64.c
View file

@ -58,9 +58,6 @@
#include "libc/thread/tls.h"
#ifdef __x86_64__
__static_yoink("strerror_wr"); // for kprintf %m
__static_yoink("strsignal_r"); // for kprintf %G
#define STACK_ERROR "error: not enough room on stack to print crash report\n"
static const char kGregOrder[17] forcealign(1) = {

3
libc/log/oncrash_arm64.c
View file

@ -51,9 +51,6 @@
#include "libc/thread/thread.h"
#ifdef __aarch64__
__static_yoink("strerror_wr"); // for kprintf %m
__static_yoink("strsignal_r"); // for kprintf %G
#define STACK_ERROR "error: not enough room on stack to print crash report\n"
#define RESET "\e[0m"

1
libc/log/vflogf.c
View file

@ -24,7 +24,6 @@
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/fmt/conv.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/libgen.h"
#include "libc/intrin/bits.h"
#include "libc/intrin/safemacros.internal.h"

18
libc/nt/kernel32/FormatMessageA.S Normal file
View file

@ -0,0 +1,18 @@
#include "libc/nt/codegen.h"
.imp kernel32,__imp_FormatMessageA,FormatMessageA
.text.windows
.ftrace1
FormatMessageA:
.ftrace2
#ifdef __x86_64__
push %rbp
mov %rsp,%rbp
mov __imp_FormatMessageA(%rip),%rax
jmp __sysv2nt8
#elif defined(__aarch64__)
mov x0,#0
ret
#endif
.endfn FormatMessageA,globl
.previous

1
libc/nt/master.sh
View file

@ -87,6 +87,7 @@ imp 'FindNextVolume' FindNextVolumeW kernel32 3
imp 'FindVolumeClose' FindVolumeClose kernel32 1
imp 'FlushConsoleInputBuffer' FlushConsoleInputBuffer kernel32 1
imp 'FormatMessage' FormatMessageW kernel32 7
imp 'FormatMessageA' FormatMessageA kernel32 7
imp 'FreeConsole' FreeConsole kernel32 0
imp 'FreeEnvironmentStrings' FreeEnvironmentStringsW kernel32 1
imp 'FreeLibrary' FreeLibrary kernel32 1

3
libc/nt/process.h
View file

@ -51,6 +51,9 @@ void SetLastError(uint32_t dwErrCode);
uint32_t FormatMessage(uint32_t dwFlags, const void *lpSource,
uint32_t dwMessageId, uint32_t dwLanguageId,
char16_t *lpBuffer, uint32_t nSize, va_list *Arguments);
uint32_t FormatMessageA(uint32_t dwFlags, const void *lpSource,
uint32_t dwMessageId, uint32_t dwLanguageId,
char *lpBuffer, uint32_t nSize, va_list *Arguments);
int64_t OpenProcess(uint32_t dwDesiredAccess, bool32 bInheritHandle,
uint32_t dwProcessId);
uint32_t GetCurrentProcessId(void); /* %gs:0x40 */

1
libc/runtime/printgarbage.c
View file

@ -16,7 +16,6 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/intrin/kprintf.h"
#include "libc/log/log.h"
#include "libc/nexgen32e/gc.internal.h"

1
libc/runtime/runtime.h
View file

@ -115,6 +115,7 @@ bool32 _isheap(void *);
/* code morphing */
void __morph_begin(void);
void __morph_end(void);
void __clear_cache(void *, void *);
/* portability */
int NtGetVersion(void) pureconst;
bool32 IsGenuineBlink(void);

1
libc/sock/inet_pton.c
View file

@ -16,7 +16,6 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/macros.internal.h"
#include "libc/sock/internal.h"
#include "libc/sock/sock.h"

1
libc/sock/syslog.c
View file

@ -23,7 +23,6 @@
#include "libc/calls/weirdtypes.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/intrin/safemacros.internal.h"
#include "libc/log/internal.h"
#include "libc/macros.internal.h"

1
libc/stdio/demangle.c
View file

@ -30,7 +30,6 @@
#include "libc/cxxabi.h"
#include "libc/errno.h"
#include "libc/fmt/conv.h"
#include "libc/fmt/fmt.h"
#include "libc/mem/mem.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"

1
libc/stdio/ecvt.c
View file

@ -22,7 +22,6 @@
│ Materiel Command, USAF, under agreement number F39502-99-1-0512. │
│ SUCH DAMAGE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/mem/mem.h"
#include "libc/runtime/runtime.h"
#include "libc/str/str.h"

1
libc/stdio/fmt.c
View file

@ -38,7 +38,6 @@
│ ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF │
│ THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/assert.h"
#include "libc/errno.h"
#include "libc/fmt/conv.h"

2
libc/stdio/fscanf.c
View file

@ -16,7 +16,7 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/fmt/internal.h"
#include "libc/stdio/stdio.h"
/**

1
libc/stdio/gcvt.c
View file

@ -22,7 +22,6 @@
│ Materiel Command, USAF, under agreement number F39502-99-1-0512. │
│ SUCH DAMAGE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/mem/mem.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"

2
libc/stdio/scanf.c
View file

@ -17,7 +17,7 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/struct/fd.internal.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/internal.h"
#include "libc/stdio/stdio.h"
/**

1
libc/stdio/sprintf.c
View file

@ -16,7 +16,6 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/limits.h"
#include "libc/log/log.h"

1
libc/stdio/sscanf.c
View file

@ -17,7 +17,6 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/dce.h"
#include "libc/fmt/fmt.h"
#include "libc/stdio/stdio.h"
/**

2
libc/stdio/vcscanf.c
View file

@ -17,7 +17,7 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/conv.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/internal.h"
#include "libc/limits.h"
#include "libc/mem/internal.h"
#include "libc/mem/mem.h"

2
libc/stdio/vdprintf.c
View file

@ -18,7 +18,7 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/struct/iovec.internal.h"
#include "libc/dce.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/internal.h"
#include "libc/limits.h"
#include "libc/macros.internal.h"
#include "libc/nt/files.h"

2
libc/stdio/vfprintf_unlocked.c
View file

@ -17,7 +17,7 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/internal.h"
#include "libc/stdckdint.h"
#include "libc/stdio/internal.h"
#include "libc/stdio/stdio.h"

2
libc/stdio/vfscanf.c
View file

@ -16,7 +16,7 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/fmt/internal.h"
#include "libc/stdio/stdio.h"
/**

2
libc/stdio/vscanf.c
View file

@ -16,7 +16,7 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/fmt/internal.h"
#include "libc/stdio/stdio.h"
/**

2
libc/stdio/vsnprintf.c
View file

@ -18,7 +18,7 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/assert.h"
#include "libc/dce.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/internal.h"
#include "libc/limits.h"
#include "libc/macros.internal.h"
#include "libc/runtime/runtime.h"

2
libc/stdio/vsscanf.c
View file

@ -17,7 +17,7 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/dce.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/internal.h"
struct StringScannerState {
const unsigned char *s;

12
libc/stdlib.h Normal file
View file

@ -0,0 +1,12 @@
#ifndef COSMOPOLITAN_LIBC_STDLIB_H_
#define COSMOPOLITAN_LIBC_STDLIB_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
char *fcvt(double, int, int *, int *);
char *ecvt(double, int, int *, int *);
char *gcvt(double, int, char *);
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_STDLIB_H_ */

1
libc/str/mbstowcs.c
View file

@ -16,7 +16,6 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/str/str.h"
size_t mbstowcs(wchar_t *pwc, const char *s, size_t wn) {

10
libc/str/str.h
View file

@ -168,10 +168,8 @@ wint_t towctrans(wint_t, wctrans_t);
int getsubopt(char **, char *const *, char **) paramsnonnull();
char *strsignal(int) returnsnonnull libcesque;
char *strerror(int) returnsnonnull dontthrow nocallback;
int strerror_r(int, char *, size_t)
dontthrow nocallback;
int __xpg_strerror_r(int, char *, size_t)
dontthrow nocallback;
errno_t strerror_r(int, char *, size_t) libcesque;
char *__xpg_strerror_r(int, char *, size_t) libcesque;
#ifdef _COSMO_SOURCE
uint64_t tpenc(uint32_t) pureconst;
@ -183,9 +181,7 @@ bool32 startswithi(const char *, const char *) strlenesque;
bool32 endswith(const char *, const char *) strlenesque;
bool32 istext(const void *, size_t) libcesque;
bool32 isutf8(const void *, size_t) libcesque;
char *strsignal_r(int, char[21]) returnsnonnull libcesque __wur;
int strerror_wr(int, uint32_t, char *, size_t)
dontthrow nocallback;
const char *strsignal_r(int, char[21]) returnsnonnull libcesque __wur;
char16_t *chomp16(char16_t *) libcesque;
size_t strlen16(const char16_t *) strlenesque;
size_t strnlen16(const char16_t *, size_t) strlenesque;

2
libc/sysv/consts.sh
View file

@ -469,7 +469,7 @@ syscon rlimit RLIMIT_RSS 5 5 5 5 5 5 5 127 # max physical mem
syscon rlimit RLIMIT_NPROC 6 6 7 7 7 7 7 127 # max number of processes; see fork()→EAGAIN; bsd consensus
syscon rlimit RLIMIT_NOFILE 7 7 8 8 8 8 8 127 # max number of open files; see accept()→EMFILE/ENFILE; bsd consensus
syscon rlimit RLIMIT_MEMLOCK 8 8 6 6 6 6 6 127 # max locked-in-memory address space; bsd consensus
syscon rlimit RLIMIT_AS 9 9 5 5 10 2 10 0 # max virtual memory size in bytes; this one actually works; fudged as RLIMIT_DATA on OpenBSD
syscon rlimit RLIMIT_AS 9\ 9 5 5 10 2 10 0 # max virtual memory size in bytes; this one actually works; fudged as RLIMIT_DATA on OpenBSD
syscon rlimit RLIMIT_LOCKS 10 10 127 127 127 127 127 127 # max flock() / fcntl() locks; bsd consensus
syscon rlimit RLIMIT_SIGPENDING 11 11 127 127 127 127 127 127 # max sigqueue() can enqueue; bsd consensus
syscon rlimit RLIMIT_MSGQUEUE 12 12 127 127 127 127 127 127 # meh posix message queues; bsd consensus

27
libc/sysv/consts/sig.h
View file

@ -80,21 +80,22 @@ COSMOPOLITAN_C_END_
* hasn't fleshed them out yet.
*
* - SIGTHR doesn't have a macro since it's internal to posix threads.
*
* - SIGSTKFLT is Linux-only so no macro is defined.
*/
#define SIGBUS SIGBUS
#define SIGCHLD SIGCHLD
#define SIGCONT SIGCONT
#define SIGEMT SIGEMT
#define SIGINFO SIGINFO
#define SIGPWR SIGPWR
#define SIGSTKFLT SIGSTKFLT
#define SIGSTOP SIGSTOP
#define SIGSYS SIGSYS
#define SIGTSTP SIGTSTP
#define SIGURG SIGURG
#define SIGUSR1 SIGUSR1
#define SIGUSR2 SIGUSR2
#define SIGBUS SIGBUS
#define SIGCHLD SIGCHLD
#define SIGCONT SIGCONT
#define SIGEMT SIGEMT
#define SIGINFO SIGINFO
#define SIGPWR SIGPWR
#define SIGSTOP SIGSTOP
#define SIGSYS SIGSYS
#define SIGTSTP SIGTSTP
#define SIGURG SIGURG
#define SIGUSR1 SIGUSR1
#define SIGUSR2 SIGUSR2
#define SIG_BLOCK SIG_BLOCK
#define SIG_SETMASK SIG_SETMASK

1
libc/testlib/showerror.c
View file

@ -20,7 +20,6 @@
#include "libc/assert.h"
#include "libc/calls/calls.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/itoa.h"
#include "libc/intrin/atomic.h"
#include "libc/intrin/kprintf.h"

1
libc/time/asctime.c
View file

@ -1,4 +1,3 @@
#include "libc/fmt/fmt.h"
#include "libc/str/str.h"
#include "libc/time/struct/tm.h"
#include "libc/time/time.h"

1
libc/time/strftime.c
View file

@ -16,7 +16,6 @@
│ IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/inttypes.h"
#include "libc/stdio/stdio.h"
#include "libc/str/locale.h"

1
test/libc/calls/fcntl_test.c
View file

@ -21,7 +21,6 @@
#include "libc/calls/struct/sigaction.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/log/check.h"
#include "libc/macros.internal.h"
#include "libc/runtime/runtime.h"

1
test/libc/calls/lseek_test.c
View file

@ -20,7 +20,6 @@
#include "libc/calls/internal.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/limits.h"
#include "libc/log/check.h"
#include "libc/runtime/runtime.h"

1
test/libc/calls/mkdir_test.c
View file

@ -19,7 +19,6 @@
#include "libc/calls/calls.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/log/check.h"
#include "libc/mem/gc.internal.h"
#include "libc/mem/mem.h"

1
test/libc/fmt/formatbinary64_test.c
View file

@ -16,7 +16,6 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/fmt/itoa.h"
#include "libc/str/str.h"
#include "libc/testlib/ezbench.h"

1
test/libc/fmt/formatflex64_test.c
View file

@ -16,7 +16,6 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/fmt/itoa.h"
#include "libc/str/str.h"
#include "libc/testlib/testlib.h"

1
test/libc/fmt/formathex64_test.c
View file

@ -16,7 +16,6 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/fmt/itoa.h"
#include "libc/str/str.h"
#include "libc/testlib/ezbench.h"

36
test/libc/fmt/itoa64radix16_test.c
View file

@ -1,36 +0,0 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/itoa.h"
#include "libc/testlib/testlib.h"
TEST(itoa64radix16, test) {
char buf[21];
EXPECT_EQ(5, uint64toarray_radix16(0x31337, buf));
EXPECT_STREQ("31337", buf);
EXPECT_EQ(2, uint64toarray_radix16(0x13, buf));
EXPECT_STREQ("13", buf);
EXPECT_EQ(3, uint64toarray_radix16(0x113, buf));
EXPECT_STREQ("113", buf);
}
TEST(itoa64fixed16, test) {
char buf[21];
EXPECT_EQ(8, uint64toarray_fixed16(0x31337, buf, 32));
EXPECT_STREQ("00031337", buf);
}

15
test/libc/fmt/strerror_r_test.c
View file

@ -16,10 +16,9 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/intrin/bits.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/intrin/bits.h"
#include "libc/str/str.h"
#include "libc/testlib/testlib.h"
@ -30,25 +29,25 @@
*/
TEST(strerror, e2big) {
EXPECT_STARTSWITH("E2BIG", strerror(E2BIG));
EXPECT_STARTSWITH("Arg list too long", strerror(E2BIG));
}
TEST(strerror, enosys) {
EXPECT_STARTSWITH("ENOSYS", strerror(ENOSYS));
EXPECT_STARTSWITH("Function not implemented", strerror(ENOSYS));
}
TEST(strerror, einval) {
EXPECT_STARTSWITH("EINVAL", strerror(EINVAL));
EXPECT_STARTSWITH("Invalid argument", strerror(EINVAL));
}
TEST(strerror, symbolizingTheseNumbersAsErrorsIsHeresyInUnixStyle) {
EXPECT_STARTSWITH("EUNKNOWN", strerror(0));
EXPECT_STARTSWITH("No error information", strerror(0));
}
TEST(strerror, enotconn_orLinkerIsntUsingLocaleC_orCodeIsOutOfSync) {
EXPECT_STARTSWITH("ENOTCONN", strerror(ENOTCONN));
EXPECT_STARTSWITH("Transport endpoint is not connected", strerror(ENOTCONN));
}
TEST(strerror, exfull_orLinkerIsntUsingLocaleC_orCodeIsOutOfSync) {
EXPECT_STARTSWITH("ETXTBSY", strerror(ETXTBSY));
EXPECT_STARTSWITH("Text file busy", strerror(ETXTBSY));
}

1
test/libc/fmt/stripexts_test.c
View file

@ -17,7 +17,6 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/conv.h"
#include "libc/fmt/fmt.h"
#include "libc/fmt/libgen.h"
#include "libc/mem/gc.internal.h"
#include "libc/testlib/testlib.h"

4
test/libc/intrin/strsignal_r_test.c
View file

@ -27,9 +27,7 @@ TEST(strsignal, test) {
EXPECT_STREQ("SIGALRM", strsignal(SIGALRM));
EXPECT_STREQ("SIGUSR1", strsignal(SIGUSR1));
EXPECT_STREQ("SIGSTOP", strsignal(SIGSTOP));
EXPECT_STREQ("666", strsignal(666));
EXPECT_STREQ("-1", strsignal(-1));
EXPECT_STREQ("9001", strsignal(9001));
EXPECT_STREQ("150", strsignal(150));
}
TEST(strsignal, realtime) {

1
test/libc/runtime/mmap_test.c
View file

@ -21,7 +21,6 @@
#include "libc/calls/ucontext.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/intrin/asan.internal.h"
#include "libc/intrin/atomic.h"
#include "libc/intrin/bits.h"

1
test/libc/runtime/mprotect_test.c
View file

@ -21,7 +21,6 @@
#include "libc/calls/ucontext.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/intrin/describeflags.internal.h"
#include "libc/log/log.h"
#include "libc/mem/gc.internal.h"

1
test/libc/stdio/dtoa_test.c
View file

@ -19,7 +19,6 @@
#include "libc/calls/calls.h"
#include "libc/calls/struct/sched_param.h"
#include "libc/dce.h"
#include "libc/fmt/fmt.h"
#include "libc/macros.internal.h"
#include "libc/math.h"
#include "libc/mem/gc.internal.h"

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