int git_futils_mktmp(git_buf *path_out, const char *filename, mode_t mode)
{
int fd;
mode_t mask;
p_umask(mask = p_umask(0));
git_buf_sets(path_out, filename);
git_buf_puts(path_out, "_git2_XXXXXX");
if (git_buf_oom(path_out))
return -1;
if ((fd = p_mkstemp(path_out->ptr)) < 0) {
giterr_set(GITERR_OS,
"Failed to create temporary file '%s'", path_out->ptr);
return -1;
}
if (p_chmod(path_out->ptr, (mode & ~mask))) {
giterr_set(GITERR_OS,
"Failed to set permissions on file '%s'", path_out->ptr);
return -1;
}
return fd;
}
int git_futils_mktmp(char *path_out, const char *filename)
{
int fd;
strcpy(path_out, filename);
strcat(path_out, "_git2_XXXXXX");
if ((fd = p_mkstemp(path_out)) < 0)
return git__throw(GIT_EOSERR, "Failed to create temporary file %s", path_out);
return fd;
}
int git_futils_mktmp(git_buf *path_out, const char *filename)
{
int fd;
git_buf_sets(path_out, filename);
git_buf_puts(path_out, "_git2_XXXXXX");
if (git_buf_oom(path_out))
return -1;
if ((fd = p_mkstemp(path_out->ptr)) < 0) {
giterr_set(GITERR_OS,
"Failed to create temporary file '%s'", path_out->ptr);
return -1;
}
return fd;
}
/* Check if the platform is decomposing unicode data for us. We will
* emulate core Git and prefer to use precomposed unicode data internally
* on these platforms, composing the decomposed unicode on the fly.
*
* This mainly happens on the Mac where HDFS stores filenames as
* decomposed unicode. Even on VFAT and SAMBA file systems, the Mac will
* return decomposed unicode from readdir() even when the actual
* filesystem is storing precomposed unicode.
*/
bool git_path_does_fs_decompose_unicode(const char *root)
{
git_buf path = GIT_BUF_INIT;
int fd;
bool found_decomposed = false;
char tmp[6];
/* Create a file using a precomposed path and then try to find it
* using the decomposed name. If the lookup fails, then we will mark
* that we should precompose unicode for this repository.
*/
if (git_buf_joinpath(&path, root, nfc_file) < 0 ||
(fd = p_mkstemp(path.ptr)) < 0)
goto done;
p_close(fd);
/* record trailing digits generated by mkstemp */
memcpy(tmp, path.ptr + path.size - sizeof(tmp), sizeof(tmp));
/* try to look up as NFD path */
if (git_buf_joinpath(&path, root, nfd_file) < 0)
goto done;
memcpy(path.ptr + path.size - sizeof(tmp), tmp, sizeof(tmp));
found_decomposed = git_path_exists(path.ptr);
/* remove temporary file (using original precomposed path) */
if (git_buf_joinpath(&path, root, nfc_file) < 0)
goto done;
memcpy(path.ptr + path.size - sizeof(tmp), tmp, sizeof(tmp));
(void)p_unlink(path.ptr);
done:
git_buf_free(&path);
return found_decomposed;
}
