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path-util: split filename_is_valid() in two

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Add a helper filename_part_is_valid() which does half of what
filename_is_valid() does: it checks for valid chars and length, but does
not filter out ".", ".." and "", as these are OK as parts of filenames,
just not alone.
This commit is contained in:
Lennart Poettering
2023-06-20 18:45:01 +02:00
parent 4687f001e6
commit ec926463c0
2 changed files with 16 additions and 4 deletions
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src/basic/path-util.h
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@@ -163,6 +163,7 @@ const char *last_path_component(const char *path);
int path_extract_filename(const char *path, char **ret);
int path_extract_directory(const char *path, char **ret);
bool filename_part_is_valid(const char *p) _pure_;
bool filename_is_valid(const char *p) _pure_;
bool path_is_valid_full(const char *p, bool accept_dot_dot) _pure_;
static inline bool path_is_valid(const char *p) {