reformat mkstemp like mkdtemp

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

View File

@ -12,17 +12,15 @@ char *__mktemp(char *);
int mkstemp(char *template) int mkstemp(char *template)
{ {
int fd; int fd;
retry: for (;;) {
if (!__mktemp(template)) return -1; if (!__mktemp(template)) return 0;
fd = open(template, O_RDWR | O_CREAT | O_EXCL, 0600); if ((fd = open(template, O_RDWR | O_CREAT | O_EXCL, 0600))>=0)
if (fd >= 0) return fd; return fd;
if (errno == EEXIST) { if (errno != EEXIST) return -1;
/* this is safe because mktemp verified /* this is safe because mktemp verified
* that we have a valid template string */ * that we have a valid template string */
strcpy(template+strlen(template)-6, "XXXXXX"); strcpy(template+strlen(template)-6, "XXXXXX");
goto retry;
} }
return -1;
} }
LFS64(mkstemp); LFS64(mkstemp);