Thread (6 messages) flat view 6 messages, 2 authors, 2016-06-15
DORMANTno replies

[PATCH 1/3] remove prefix argument from pathspec_prefix

From: Clemens Buchacher <hidden>
Date: 2016-06-15 22:51:58
Subsystem: the rest · Maintainer: Linus Torvalds

Possibly related (same subject, not in this thread)

Passing a prefix to a function that is supposed to find the prefix
is strange. And it's really only used if the pathspec is NULL. Make
the callers handle this case instead.

Signed-off-by: Clemens Buchacher <redacted>
---
 builtin/commit.c   |    5 +++--
 builtin/ls-files.c |    2 +-
 cache.h            |    2 +-
 setup.c            |    4 ++--
 4 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/builtin/commit.c b/builtin/commit.c
index cbc9613..64fe501 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -255,8 +255,9 @@ static int list_paths(struct string_list *list, const char *with_tree,
 	m = xcalloc(1, i);
 
 	if (with_tree) {
-		const char *max_prefix = pathspec_prefix(prefix, pattern);
-		overlay_tree_on_cache(with_tree, max_prefix);
+		char *max_prefix = pathspec_prefix(pattern);
+		overlay_tree_on_cache(with_tree, max_prefix ? max_prefix : prefix);
+		free(max_prefix);
 	}
 
 	for (i = 0; i < active_nr; i++) {
diff --git a/builtin/ls-files.c b/builtin/ls-files.c
index e8a800d..a54c2a2 100644
--- a/builtin/ls-files.c
+++ b/builtin/ls-files.c
@@ -545,7 +545,7 @@ 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(prefix, pathspec);
+	max_prefix = pathspec_prefix(pathspec);
 	max_prefix_len = max_prefix ? strlen(max_prefix) : 0;
 
 	/* Treat unmatching pathspec elements as errors */
diff --git a/cache.h b/cache.h
index 607c2ea..0ccc84d 100644
--- a/cache.h
+++ b/cache.h
@@ -444,7 +444,7 @@ 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 const char *pathspec_prefix(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);
diff --git a/setup.c b/setup.c
index 27c1d47..0906790 100644
--- a/setup.c
+++ b/setup.c
@@ -236,13 +236,13 @@ const char **get_pathspec(const char *prefix, const char **pathspec)
 	return pathspec;
 }
 
-const char *pathspec_prefix(const char *prefix, const char **pathspec)
+char *pathspec_prefix(const char **pathspec)
 {
 	const char **p, *n, *prev;
 	unsigned long max;
 
 	if (!pathspec)
-		return prefix ? xmemdupz(prefix, strlen(prefix)) : NULL;
+		return NULL;
 
 	prev = NULL;
 	max = PATH_MAX;
-- 
1.7.6.1
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