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| author | Rich Felker <dalias@aerifal.cx> | 2011-03-29 08:37:57 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-03-29 08:37:57 -0400 |
| commit | a88edbec15abe3c8e08d5065d8bea399898e757c (patch) | |
| tree | 03fffdfb13788c61fbaaa942e478ec4b6653b649 | |
| parent | 507a9fa6ff9948eb7d858467b7be2cb1dcf15d03 (diff) | |
| download | musl-a88edbec15abe3c8e08d5065d8bea399898e757c.tar.gz | |
make tmpfile fail after exceeding max tries.
| -rw-r--r-- | src/stdio/tmpfile.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/stdio/tmpfile.c b/src/stdio/tmpfile.c index b050f7fd..a6b72236 100644 --- a/src/stdio/tmpfile.c +++ b/src/stdio/tmpfile.c @@ -3,14 +3,17 @@ #include <unistd.h> #include "stdio_impl.h" +#define MAXTRIES 100 + FILE *tmpfile(void) { char buf[L_tmpnam], *s; int fd; FILE *f; - for (;;) { + int try; + for (try=0; try<MAXTRIES; try++) { s = tmpnam(buf); - if (!s) return NULL; + if (!s) return 0; fd = syscall(SYS_open, s, O_RDWR|O_CREAT|O_EXCL|O_LARGEFILE, 0600); if (fd >= 0) { f = __fdopen(fd, "w+"); @@ -18,6 +21,7 @@ FILE *tmpfile(void) return f; } } + return 0; } LFS64(tmpfile); |