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os/fs: Move mkdir_recurse from eval.c to os/fs.c

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ZyX
2015-07-12 14:09:26 +03:00
parent afd3e69e9f
commit 1206ac953f
5 changed files with 127 additions and 31 deletions
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50
src/nvim/os/fs.c
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@@ -316,7 +316,7 @@ int os_rename(const char_u *path, const char_u *new_path)
/// Make a directory.
///
/// @return `0` for success, non-zero for failure.
/// @return `0` for success, -errno for failure.
int os_mkdir(const char *path, int32_t mode)
FUNC_ATTR_NONNULL_ALL
{
@@ -326,6 +326,54 @@ int os_mkdir(const char *path, int32_t mode)
return result;
}
/// Make a directory, with higher levels when needed
///
/// @param[in] dir Directory to create.
/// @param[in] mode Permissions for the newly-created directory.
/// @param[out] failed_dir If it failed to create directory, then this
/// argument is set to an allocated string containing
/// the name of the directory which os_mkdir_recurse
/// failed to create. I.e. it will contain dir or any
/// of the higher level directories.
///
/// @return `0` for success, -errno for failure.
int os_mkdir_recurse(const char *const dir, int32_t mode,
char **const failed_dir)
FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT
{
// Get end of directory name in "dir".
// We're done when it's "/" or "c:/".
const size_t dirlen = strlen(dir);
char *const curdir = xmemdupz(dir, dirlen);
char *const past_head = (char *) get_past_head((char_u *) curdir);
char *e = curdir + dirlen;
const char *const real_end = e;
const char past_head_save = *past_head;
while (!os_isdir((char_u *) curdir)) {
e = (char *) path_tail_with_sep((char_u *) curdir);
if (e <= past_head) {
*past_head = NUL;
break;
}
*e = NUL;
}
while (e != real_end) {
if (e > past_head) {
*e = '/';
} else {
*past_head = past_head_save;
}
e += strlen(e);
int ret;
if ((ret = os_mkdir(curdir, mode)) != 0) {
*failed_dir = curdir;
return ret;
}
}
xfree(curdir);
return 0;
}
/// Create a unique temporary directory.
///
/// @param[in] template Template of the path to the directory with XXXXXX