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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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7
libc/runtime/mmap.c
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@ -25,6 +25,7 @@
#include "libc/intrin/asan.internal.h"
#include "libc/intrin/asancodes.h"
#include "libc/intrin/bits.h"
#include "libc/intrin/bsr.h"
#include "libc/intrin/describeflags.internal.h"
#include "libc/intrin/likely.h"
#include "libc/intrin/safemacros.internal.h"
@ -63,6 +64,10 @@
#define SHADE(x) (((intptr_t)(x) >> 3) + 0x7fff8000)
#define FRAME(x) ((int)((intptr_t)(x) >> 16))
static unsigned long RoundDownTwoPow(unsigned long x) {
return x ? 1ul << _bsrl(x) : 0;
}
static wontreturn void OnUnrecoverableMmapError(const char *s) {
if (_weaken(__die)) _weaken(__die)();
STRACE("%s %m", s);
@ -322,7 +327,7 @@ static noasan inline void *Mmap(void *addr, size_t size, int prot, int flags,
return VIP(einval());
}
a = max(1, _rounddown2pow(size) >> 16);
a = max(1, RoundDownTwoPow(size) >> 16);
f = (flags & ~MAP_FIXED_NOREPLACE) | MAP_FIXED;
if (flags & MAP_FIXED) {