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path-util: make path_extract_filename/directory() handle "." gracefully

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This makes the functions handle "xx/" and "xx/." as equivalent.
Moreover, now path_extract_directory() returns normalized path, that is
no redundant "/" or "/./" are contained.
This commit is contained in:
Yu Watanabe
2021-05-28 13:44:38 +09:00
parent 484cd43cae
commit 0195046449
4 changed files with 70 additions and 63 deletions
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src/basic/path-util.h
+2 -2
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@@ -155,8 +155,8 @@ char* dirname_malloc(const char *path);
int path_find_first_component(const char **p, bool accept_dot_dot, const char **ret);
int path_find_last_component(const char *path, bool accept_dot_dot, const char **next, const char **ret);
const char *last_path_component(const char *path);
int path_extract_filename(const char *p, char **ret);
int path_extract_directory(const char *p, char **ret);
int path_extract_filename(const char *path, char **ret);
int path_extract_directory(const char *path, char **ret);
bool filename_is_valid(const char *p) _pure_;
bool path_is_valid_full(const char *p, bool accept_dot_dot) _pure_;