diff options
Diffstat (limited to 'lib/sh/tmpfile.c')
| -rw-r--r-- | lib/sh/tmpfile.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/lib/sh/tmpfile.c b/lib/sh/tmpfile.c index d42d1807..7c2fbf22 100644 --- a/lib/sh/tmpfile.c +++ b/lib/sh/tmpfile.c @@ -114,6 +114,23 @@ get_tmpdir (flags) return tdir; } +static void +sh_seedrand () +{ +#if HAVE_RANDOM + int d; + static int seeded = 0; + if (seeded == 0) + { + struct timeval tv; + + gettimeofday (&tv, NULL); + srandom (tv.tv_sec ^ tv.tv_usec ^ (getpid () << 16) ^ (unsigned int)&d); + seeded = 1; + } +#endif +} + char * sh_mktmpname (nameroot, flags) char *nameroot; @@ -122,6 +139,7 @@ sh_mktmpname (nameroot, flags) char *filename, *tdir, *lroot; struct stat sb; int r, tdlen; + static int seeded = 0; filename = (char *)xmalloc (PATH_MAX + 1); tdir = get_tmpdir (flags); @@ -137,6 +155,7 @@ sh_mktmpname (nameroot, flags) filename = NULL; } #else /* !USE_MKTEMP */ + sh_seedrand (); while (1) { filenum = (filenum << 1) ^ @@ -167,7 +186,7 @@ sh_mktmpfd (nameroot, flags, namep) { char *filename, *tdir, *lroot; int fd, tdlen; - + filename = (char *)xmalloc (PATH_MAX + 1); tdir = get_tmpdir (flags); tdlen = strlen (tdir); @@ -186,6 +205,7 @@ sh_mktmpfd (nameroot, flags, namep) *namep = filename; return fd; #else /* !USE_MKSTEMP */ + sh_seedrand (); do { filenum = (filenum << 1) ^ |