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Fix bugs and make code tinier

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- Fixed bug where stdio eof wasn't being sticky
- Fixed bug where fseeko() wasn't clearing eof state
- Removed assert() usage from libc favoring _unassert() / _npassert()
This commit is contained in:
Justine Tunney 2022-10-09 22:38:28 -07:00
parent 9b7c8db846
commit d5910e2673
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GPG key ID: BE714B4575D6E328
115 changed files with 510 additions and 290 deletions
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38
libc/runtime/stackuse.c
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@ -18,6 +18,7 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/fmt/itoa.h"
#include "libc/intrin/atomic.h"
#include "libc/intrin/promises.internal.h"
@ -48,30 +49,33 @@ size_t GetStackUsage(char *s, size_t n) {
}
static textexit void LogStackUse(void) {
int i, fd;
bool quote;
char *p, *q;
int i, e, fd;
size_t n, usage;
if (!PLEDGED(STDIO) || !PLEDGED(WPATH) || !PLEDGED(CPATH)) return;
usage = GetStackUsage((char *)GetStackAddr(), GetStackSize());
fd = open(stacklog, O_APPEND | O_CREAT | O_WRONLY, 0644);
p = FormatUint64(stacklog, usage);
for (i = 0; i < __argc; ++i) {
n = strlen(__argv[i]);
if ((q = memchr(__argv[i], '\n', n))) n = q - __argv[i];
if (p - stacklog + 1 + 1 + n + 1 + 1 < sizeof(stacklog)) {
quote = !!memchr(__argv[i], ' ', n);
*p++ = ' ';
if (quote) *p++ = '\'';
p = mempcpy(p, __argv[i], n);
if (quote) *p++ = '\'';
} else {
break;
e = errno;
if ((fd = open(stacklog, O_APPEND | O_CREAT | O_WRONLY, 0644)) != -1) {
p = FormatUint64(stacklog, usage);
for (i = 0; i < __argc; ++i) {
n = strlen(__argv[i]);
if ((q = memchr(__argv[i], '\n', n))) n = q - __argv[i];
if (p - stacklog + 1 + 1 + n + 1 + 1 < sizeof(stacklog)) {
quote = !!memchr(__argv[i], ' ', n);
*p++ = ' ';
if (quote) *p++ = '\'';
p = mempcpy(p, __argv[i], n);
if (quote) *p++ = '\'';
} else {
break;
}
}
*p++ = '\n';
write(fd, stacklog, p - stacklog);
close(fd);
}
*p++ = '\n';
write(fd, stacklog, p - stacklog);
close(fd);
errno = e;
}
static textstartup void LogStackUseInit(void) {