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Get address sanitizer mostly working

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This commit is contained in:
Justine Tunney
2020-09-03 05:44:37 -07:00
parent 1f1f3cd477
commit 7327c345f9
149 changed files with 3777 additions and 3457 deletions
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13
libc/runtime/ezmap.c
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@@ -17,7 +17,6 @@
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/pushpop.h"
#include "libc/bits/safemacros.h"
#include "libc/calls/calls.h"
#include "libc/limits.h"
@@ -51,8 +50,14 @@ int mapfileread(const char *filename, struct MappedFile *mf) {
int unmapfile(struct MappedFile *mf) {
int rc;
rc = 0;
rc |= munmap_s(&mf->addr, mf->size);
rc |= close_s(&mf->fd);
pushmov(&mf->size, 0);
if (mf->addr != MAP_FAILED) {
rc |= munmap(mf->addr, mf->size);
mf->addr = MAP_FAILED;
}
if (mf->fd != -1) {
rc |= close(mf->fd);
mf->fd = -1;
}
mf->size = 0;
return rc;
}