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libc: skip spurious stat in _gettemp

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It was only done to catch ENOTDIR, but the kernel already returns the
error where appropriate.
This commit is contained in:
Mateusz Guzik 2021-01-24 05:15:13 +01:00
parent 0f7573ffd6
commit 97a463120b
1 changed files with 0 additions and 21 deletions
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21
lib/libc/stdio/mktemp.c
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@ -121,7 +121,6 @@ _gettemp(int dfd, char *path, int *doopen, int domkdir, int slen, int oflags)
char *start, *trv, *suffp, *carryp;
char *pad;
struct stat sbuf;
int rval;
uint32_t rand;
char carrybuf[MAXPATHLEN];
@ -156,26 +155,6 @@ _gettemp(int dfd, char *path, int *doopen, int domkdir, int slen, int oflags)
/* save first combination of random characters */
memcpy(carrybuf, start, suffp - start);
/*
* check the target directory.
*/
if (doopen != NULL || domkdir) {
for (; trv > path; --trv) {
if (*trv == '/') {
*trv = '\0';
rval = fstatat(dfd, path, &sbuf, 0);
*trv = '/';
if (rval != 0)
return (0);
if (!S_ISDIR(sbuf.st_mode)) {
errno = ENOTDIR;
return (0);
}
break;
}
}
}
oflags |= O_CREAT | O_EXCL | O_RDWR;
for (;;) {
if (doopen) {