[PATCH 2/4] dir.[ch]: expose 'get_dtype'
From: Victoria Dye via GitGitGadget <hidden>
Date: 2023-10-06 18:09:41
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Victoria Dye <redacted> Move 'get_dtype()' from 'diagnose.c' to 'dir.c' and add its declaration to 'dir.h' so that it is accessible to callers in other files. The function and its documentation are moved verbatim except for a small addition to the description clarifying what the 'path' arg represents. Signed-off-by: Victoria Dye <redacted> --- diagnose.c | 36 ------------------------------------ dir.c | 28 ++++++++++++++++++++++++++++ dir.h | 11 +++++++++++ 3 files changed, 39 insertions(+), 36 deletions(-)
diff --git a/diagnose.c b/diagnose.c
index 8430064000b..fc4d344bd63 100644
--- a/diagnose.c
+++ b/diagnose.c@@ -71,42 +71,6 @@ static int dir_file_stats(struct object_directory *object_dir, void *data) return 0; } -/* - * Get the d_type of a dirent. If the d_type is unknown, derive it from - * stat.st_mode. - * - * Note that 'path' is assumed to have a trailing slash. It is also modified - * in-place during the execution of the function, but is then reverted to its - * original value before returning. - */ -static unsigned char get_dtype(struct dirent *e, struct strbuf *path) -{ - struct stat st; - unsigned char dtype = DTYPE(e); - size_t base_path_len; - - if (dtype != DT_UNKNOWN) - return dtype; - - /* d_type unknown in dirent, try to fall back on lstat results */ - base_path_len = path->len; - strbuf_addstr(path, e->d_name); - if (lstat(path->buf, &st)) - goto cleanup; - - /* determine d_type from st_mode */ - if (S_ISREG(st.st_mode)) - dtype = DT_REG; - else if (S_ISDIR(st.st_mode)) - dtype = DT_DIR; - else if (S_ISLNK(st.st_mode)) - dtype = DT_LNK; - -cleanup: - strbuf_setlen(path, base_path_len); - return dtype; -} - static int count_files(struct strbuf *path) { DIR *dir = opendir(path->buf);
diff --git a/dir.c b/dir.c
index 8486e4d56ff..5e01af3a25e 100644
--- a/dir.c
+++ b/dir.c@@ -2235,6 +2235,34 @@ static int get_index_dtype(struct index_state *istate, return DT_UNKNOWN; } +unsigned char get_dtype(struct dirent *e, struct strbuf *path) +{ + struct stat st; + unsigned char dtype = DTYPE(e); + size_t base_path_len; + + if (dtype != DT_UNKNOWN) + return dtype; + + /* d_type unknown in dirent, try to fall back on lstat results */ + base_path_len = path->len; + strbuf_addstr(path, e->d_name); + if (lstat(path->buf, &st)) + goto cleanup; + + /* determine d_type from st_mode */ + if (S_ISREG(st.st_mode)) + dtype = DT_REG; + else if (S_ISDIR(st.st_mode)) + dtype = DT_DIR; + else if (S_ISLNK(st.st_mode)) + dtype = DT_LNK; + +cleanup: + strbuf_setlen(path, base_path_len); + return dtype; +} + static int resolve_dtype(int dtype, struct index_state *istate, const char *path, int len) {
diff --git a/dir.h b/dir.h
index ad06682fd54..28c630ce806 100644
--- a/dir.h
+++ b/dir.h@@ -363,6 +363,17 @@ struct dir_struct { struct dirent *readdir_skip_dot_and_dotdot(DIR *dirp); +/* + * Get the d_type of a dirent. If the d_type is unknown, derive it from + * stat.st_mode using the path to the dirent's containing directory (path) and + * the name of the dirent itself. + * + * Note that 'path' is assumed to have a trailing slash. It is also modified + * in-place during the execution of the function, but is then reverted to its + * original value before returning. + */ +unsigned char get_dtype(struct dirent *e, struct strbuf *path); + /*Count the number of slashes for string s*/ int count_slashes(const char *s);
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