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reformat mkstemp like mkdtemp

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this is cleaner and makes it easy to impose a limit on the number of
retries later if it seems desirable to do so.
This commit is contained in:
Rich Felker 2011-02-18 16:32:33 -05:00
parent d5ca067c7b
commit 3e9e30166f
1 changed files with 5 additions and 7 deletions
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12
src/temp/mkstemp.c
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@ -12,17 +12,15 @@ char *__mktemp(char *);
int mkstemp(char *template)
{
int fd;
retry:
if (!__mktemp(template)) return -1;
fd = open(template, O_RDWR | O_CREAT | O_EXCL, 0600);
if (fd >= 0) return fd;
if (errno == EEXIST) {
for (;;) {
if (!__mktemp(template)) return 0;
if ((fd = open(template, O_RDWR | O_CREAT | O_EXCL, 0600))>=0)
return fd;
if (errno != EEXIST) return -1;
/* this is safe because mktemp verified
* that we have a valid template string */
strcpy(template+strlen(template)-6, "XXXXXX");
goto retry;
}
return -1;
}
LFS64(mkstemp);