{
void *ret;
+ if (unsigned_mult_overflows(nmemb, size))
+ die("data too large to fit into virtual memory space");
+
memory_limit_check(size * nmemb, 0);
ret = calloc(nmemb, size);
if (!ret && (!nmemb || !size))
return stream;
}
+FILE *fopen_for_writing(const char *path)
+{
+ FILE *ret = fopen(path, "w");
+
+ if (!ret && errno == EPERM) {
+ if (!unlink(path))
+ ret = fopen(path, "w");
+ else
+ errno = EPERM;
+ }
+ return ret;
+}
+
int xmkstemp(char *template)
{
int fd;
return mkstemp(path);
}
-/* git_mkstemps() - create tmp file with suffix honoring TMPDIR variable. */
-int git_mkstemps(char *path, size_t len, const char *template, int suffix_len)
-{
- const char *tmp;
- size_t n;
-
- tmp = getenv("TMPDIR");
- if (!tmp)
- tmp = "/tmp";
- n = snprintf(path, len, "%s/%s", tmp, template);
- if (len <= n) {
- errno = ENAMETOOLONG;
- return -1;
- }
- return mkstemps(path, suffix_len);
-}
-
/* Adapted from libiberty's mkstemp.c. */
#undef TMP_MAX
if (!rc || errno == ENOENT)
return 0;
err = errno;
- warning("unable to %s %s: %s", op, file, strerror(errno));
+ warning_errno("unable to %s %s", op, file);
errno = err;
return rc;
}
void warn_on_inaccessible(const char *path)
{
- warning(_("unable to access '%s': %s"), path, strerror(errno));
+ warning_errno(_("unable to access '%s'"), path);
}
static int access_error_is_ok(int err, unsigned flag)
return ret;
}
-struct passwd *xgetpwuid_self(void)
-{
- struct passwd *pw;
-
- errno = 0;
- pw = getpwuid(getuid());
- if (!pw)
- die(_("unable to look up current user in the passwd file: %s"),
- errno ? strerror(errno) : _("no such user"));
- return pw;
-}
-
char *xgetcwd(void)
{
struct strbuf sb = STRBUF_INIT;