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Fix some static analysis issues

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This commit is contained in:
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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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 ",
(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));
Ra = gc(calloc(sizeof(*Ra), n + m + 1));
if (!(Rs = calloc(sizeof(*Rs), n + m + 1)))
__builtin_trap();
if (!(Ra = calloc(sizeof(*Ra), n + m + 1)))
__builtin_trap();
for (j = 0; j < n; ++j) {
if (j)
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");
fflush(stdout);
free(Ra);
free(Rs);
}
int main(int argc, char *argv[]) {

6
tool/build/dd.c
View file

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

4
tool/build/freebsd2sysv.c
View file

@ -25,7 +25,7 @@
#include "libc/sysv/consts/prot.h"
int main(int argc, char *argv[]) {
open(argv[1], O_RDWR);
Elf64_Ehdr *e = mmap(0, 64, PROT_READ | PROT_WRITE, MAP_SHARED, 3, 0);
int fd = open(argv[1], O_RDWR);
Elf64_Ehdr *e = mmap(0, 64, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
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;
gzFile output;
int rc, errnum;
FILE *closeme = 0;
const char *outpath;
char *p, openflags[5];
if ((!inpath || opt_usestdout) && (!isatty(1) || opt_force)) {
@ -151,7 +152,7 @@ void Compress(const char *inpath) {
exit(1);
}
if (inpath) {
input = fopen(inpath, "rb");
input = closeme = fopen(inpath, "rb");
} else {
inpath = "/dev/stdin";
input = stdin;
@ -178,8 +179,9 @@ void Compress(const char *inpath) {
}
if (!output) {
fputs(outpath, stderr);
fputs(": gzopen() failed\n", stderr);
fputs(_strerdoc(errno), stderr);
fputs(": gzopen() failed: ", stderr);
const char *s = _strerdoc(errno);
fputs(s ? s : "EUNKNOWN", stderr);
fputs("\n", stderr);
exit(1);
}
@ -189,7 +191,8 @@ void Compress(const char *inpath) {
errnum = 0;
fputs(inpath, stderr);
fputs(": read failed: ", stderr);
fputs(_strerdoc(ferror(input)), stderr);
const char *s = _strerdoc(ferror(input));
fputs(s ? s : "EUNKNOWN", stderr);
fputs("\n", stderr);
_Exit(1);
}
@ -201,8 +204,8 @@ void Compress(const char *inpath) {
_Exit(1);
}
} while (rc == sizeof(databuf));
if (input != stdin) {
if (fclose(input)) {
if (closeme) {
if (fclose(closeme)) {
fputs(inpath, stderr);
fputs(": close failed\n", stderr);
_Exit(1);
@ -221,6 +224,7 @@ void Compress(const char *inpath) {
void Decompress(const char *inpath) {
FILE *output;
gzFile input;
FILE *closeme = 0;
int rc, n, errnum;
const char *outpath;
outpath = 0;
@ -233,8 +237,9 @@ void Decompress(const char *inpath) {
}
if (!input) {
fputs(inpath, stderr);
fputs(": gzopen() failed\n", stderr);
fputs(_strerdoc(errno), stderr);
fputs(": gzopen() failed: ", stderr);
const char *s = _strerdoc(errno);
fputs(s ? s : "EUNKNOWN", stderr);
fputs("\n", stderr);
exit(1);
}
@ -248,10 +253,11 @@ void Decompress(const char *inpath) {
memcpy(pathbuf, inpath, n - 3);
pathbuf[n - 3] = 0;
outpath = pathbuf;
if (!(output = fopen(outpath, opt_append ? "wa" : "wb"))) {
if (!(output = closeme = fopen(outpath, opt_append ? "wa" : "wb"))) {
fputs(outpath, stderr);
fputs(": open failed: ", stderr);
fputs(_strerdoc(errno), stderr);
const char *s = _strerdoc(errno);
fputs(s ? s : "EUNKNOWN", stderr);
fputs("\n", stderr);
_Exit(1);
}
@ -273,7 +279,8 @@ void Decompress(const char *inpath) {
if (fwrite(databuf, rc, 1, output) != 1) {
fputs(outpath, stderr);
fputs(": write failed: ", stderr);
fputs(_strerdoc(ferror(output)), stderr);
const char *s = _strerdoc(ferror(output));
fputs(s ? s : "EUNKNOWN", stderr);
fputs("\n", stderr);
_Exit(1);
}
@ -283,8 +290,8 @@ void Decompress(const char *inpath) {
fputs(": gzclose failed\n", stderr);
_Exit(1);
}
if (output != stdout) {
if (fclose(output)) {
if (closeme) {
if (fclose(closeme)) {
fputs(outpath, stderr);
fputs(": close failed\n", stderr);
_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 z_stream zs;
zsize = 32768;
zbuf = gc(malloc(zsize));
if (!(zbuf = malloc(zsize)))
__builtin_trap();
if (!once) {
CHECK_EQ(Z_OK, deflateInit2(&zs, 4, Z_DEFLATED, MAX_WBITS, DEF_MEM_LEVEL,
Z_DEFAULT_STRATEGY));
@ -226,6 +227,7 @@ bool Send(int tmpfd, const void *output, size_t outputsize) {
break;
}
} while (!zs.avail_out);
free(zbuf);
return ok;
}

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

@ -218,7 +218,20 @@
"__sysv_abi__"
"__mode__"
"__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
'("__optnone__"