Move gitmkstemps to path.c

[git.git] / compat / mkstemps.c

diff --git a/compat/mkstemps.c b/compat/mkstemps.c
deleted file mode 100644 (file)
index 14179c8..0000000
--- a/compat/mkstemps.c
+++ /dev/null
@@ -1,70 +0,0 @@
-#include "../git-compat-util.h"
-
-/* Adapted from libiberty's mkstemp.c. */
-
-#undef TMP_MAX
-#define TMP_MAX 16384
-
-int gitmkstemps(char *pattern, int suffix_len)
-{
-       static const char letters[] =
-               "abcdefghijklmnopqrstuvwxyz"
-               "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-               "0123456789";
-       static const int num_letters = 62;
-       uint64_t value;
-       struct timeval tv;
-       char *template;
-       size_t len;
-       int fd, count;
-
-       len = strlen(pattern);
-
-       if (len < 6 + suffix_len) {
-               errno = EINVAL;
-               return -1;
-       }
-
-       if (strncmp(&pattern[len - 6 - suffix_len], "XXXXXX", 6)) {
-               errno = EINVAL;
-               return -1;
-       }
-
-       /*
-        * Replace pattern's XXXXXX characters with randomness.
-        * Try TMP_MAX different filenames.
-        */
-       gettimeofday(&tv, NULL);
-       value = ((size_t)(tv.tv_usec << 16)) ^ tv.tv_sec ^ getpid();
-       template = &pattern[len - 6 - suffix_len];
-       for (count = 0; count < TMP_MAX; ++count) {
-               uint64_t v = value;
-               /* Fill in the random bits. */
-               template[0] = letters[v % num_letters]; v /= num_letters;
-               template[1] = letters[v % num_letters]; v /= num_letters;
-               template[2] = letters[v % num_letters]; v /= num_letters;
-               template[3] = letters[v % num_letters]; v /= num_letters;
-               template[4] = letters[v % num_letters]; v /= num_letters;
-               template[5] = letters[v % num_letters]; v /= num_letters;
-
-               fd = open(pattern, O_CREAT | O_EXCL | O_RDWR, 0600);
-               if (fd > 0)
-                       return fd;
-               /*
-                * Fatal error (EPERM, ENOSPC etc).
-                * It doesn't make sense to loop.
-                */
-               if (errno != EEXIST)
-                       break;
-               /*
-                * This is a random value.  It is only necessary that
-                * the next TMP_MAX values generated by adding 7777 to
-                * VALUE are different with (module 2^32).
-                */
-               value += 7777;
-       }
-       /* We return the null string if we can't find a unique file name.  */
-       pattern[0] = '\0';
-       errno = EINVAL;
-       return -1;
-}