[PATCH v2 2/6] dir.c: inline convenient *_icase helpers

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

Like the previous patch, this cuts down the number of str*cmp calls in
read_directory (which does _a lot_). Again sorted results on webkit.git:

        before      after
user    0m0.554s    0m0.548s
user    0m0.564s    0m0.549s
user    0m0.571s    0m0.554s
user    0m0.576s    0m0.557s
user    0m0.578s    0m0.558s
user    0m0.579s    0m0.559s
user    0m0.583s    0m0.562s
user    0m0.584s    0m0.564s
user    0m0.586s    0m0.566s
user    0m0.592s    0m0.569s

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 dir.c | 16 ----------------
 dir.h | 18 +++++++++++++++---
 2 files changed, 15 insertions(+), 19 deletions(-)

diff --git a/dir.c b/dir.c
index b3cd66c..9960a37 100644
--- a/dir.c
+++ b/dir.c
@@ -21,22 +21,6 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, in
 	int check_only, const struct path_simplify *simplify);
 static int get_dtype(struct dirent *de, const char *path, int len);
 
-/* helper string functions with support for the ignore_case flag */
-int strcmp_icase(const char *a, const char *b)
-{
-	return ignore_case ? strcasecmp(a, b) : strcmp(a, b);
-}
-
-int strncmp_icase(const char *a, const char *b, size_t count)
-{
-	return ignore_case ? strncasecmp(a, b, count) : strncmp(a, b, count);
-}
-
-int fnmatch_icase(const char *pattern, const char *string, int flags)
-{
-	return fnmatch(pattern, string, flags | (ignore_case ? FNM_CASEFOLD : 0));
-}
-
 inline int git_fnmatch(const char *pattern, const char *string,
 		       int flags, int prefix)
 {
diff --git a/dir.h b/dir.h
index c3eb4b5..560ade4 100644
--- a/dir.h
+++ b/dir.h
@@ -200,9 +200,21 @@ extern int remove_dir_recursively(struct strbuf *path, int flag);
 /* tries to remove the path with empty directories along it, ignores ENOENT */
 extern int remove_path(const char *path);
 
-extern int strcmp_icase(const char *a, const char *b);
-extern int strncmp_icase(const char *a, const char *b, size_t count);
-extern int fnmatch_icase(const char *pattern, const char *string, int flags);
+/* helper string functions with support for the ignore_case flag */
+static inline int strcmp_icase(const char *a, const char *b)
+{
+	return ignore_case ? strcasecmp(a, b) : strcmp(a, b);
+}
+
+static inline int strncmp_icase(const char *a, const char *b, size_t count)
+{
+	return ignore_case ? strncasecmp(a, b, count) : strncmp(a, b, count);
+}
+
+static inline int fnmatch_icase(const char *pattern, const char *string, int flags)
+{
+	return fnmatch(pattern, string, flags | (ignore_case ? FNM_CASEFOLD : 0));
+}
 
 /*
  * The prefix part of pattern must not contains wildcards.
-- 
1.8.1.2.536.gf441e6d