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rename pathspec_prefix() to common_prefix() and move to dir.[ch]

Also make common_prefix_len() static as this refactoring makes dir.c
itself the only caller of this helper function.

Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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commit f950eb956092831730182daa7160eaa352277fa9 1 parent 4a085b1
@drizzd drizzd authored gitster committed
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2  builtin/commit.c
@@ -257,7 +257,7 @@ static int list_paths(struct string_list *list, const char *with_tree,
m = xcalloc(1, i);
if (with_tree) {
- char *max_prefix = pathspec_prefix(pattern);
+ char *max_prefix = common_prefix(pattern);
overlay_tree_on_cache(with_tree, max_prefix ? max_prefix : prefix);
free(max_prefix);
}
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2  builtin/ls-files.c
@@ -541,7 +541,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
strip_trailing_slash_from_submodules();
/* Find common prefix for all pathspec's */
- max_prefix = pathspec_prefix(pathspec);
+ max_prefix = common_prefix(pathspec);
max_prefix_len = max_prefix ? strlen(max_prefix) : 0;
/* Treat unmatching pathspec elements as errors */
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1  cache.h
@@ -426,7 +426,6 @@ extern void set_git_work_tree(const char *tree);
#define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
extern const char **get_pathspec(const char *prefix, const char **pathspec);
-extern char *pathspec_prefix(const char **pathspec);
extern void setup_work_tree(void);
extern const char *setup_git_directory_gently(int *);
extern const char *setup_git_directory(void);
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13 dir.c
@@ -34,7 +34,7 @@ int fnmatch_icase(const char *pattern, const char *string, int flags)
return fnmatch(pattern, string, flags | (ignore_case ? FNM_CASEFOLD : 0));
}
-size_t common_prefix_len(const char **pathspec)
+static size_t common_prefix_len(const char **pathspec)
{
const char *n, *first;
size_t max = 0;
@@ -61,6 +61,17 @@ size_t common_prefix_len(const char **pathspec)
return max;
}
+/*
+ * Returns a copy of the longest leading path common among all
+ * pathspecs.
+ */
+char *common_prefix(const char **pathspec)
+{
+ unsigned long len = common_prefix_len(pathspec);
+
+ return len ? xmemdupz(*pathspec, len) : NULL;
+}
+
int fill_directory(struct dir_struct *dir, const char **pathspec)
{
const char *path;
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2  dir.h
@@ -64,7 +64,7 @@ struct dir_struct {
#define MATCHED_RECURSIVELY 1
#define MATCHED_FNMATCH 2
#define MATCHED_EXACTLY 3
-extern size_t common_prefix_len(const char **pathspec);
+extern char *common_prefix(const char **pathspec);
extern int match_pathspec(const char **pathspec, const char *name, int namelen, int prefix, char *seen);
extern int match_pathspec_depth(const struct pathspec *pathspec,
const char *name, int namelen,
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7 setup.c
@@ -264,13 +264,6 @@ const char **get_pathspec(const char *prefix, const char **pathspec)
return pathspec;
}
-char *pathspec_prefix(const char **pathspec)
-{
- size_t len = common_prefix_len(pathspec);
-
- return len ? xmemdupz(*pathspec, len) : NULL;
-}
-
/*
* Test if it looks like we're at a git directory.
* We want to see:
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