[PATCH/RFC v2 4/4] remove the old 'has_symlink_leading_path()' function

[Kjetil Barvik <barvik@broadpark.no>]

It has been replaced by the more cache effective 'lstat_cache()'
function.  see lstat_cache.c

Signed-off-by: Kjetil Barvik <barvik@broadpark.no>
---
:100644 100644 7449b10... edd4798... M	Makefile
:100644 100644 4c56f3f... 8b8da85... M	cache.h
:100644 000000 5a5e781... 0000000... D	symlinks.c
 Makefile   |    1 -
 cache.h    |    1 -
 symlinks.c |   64 ------------------------------------------------------------
 3 files changed, 0 insertions(+), 66 deletions(-)
 delete mode 100644 symlinks.c

diff --git a/Makefile b/Makefile
index 7449b105b03e862d53244d50ed035b4ddabef028..edd4798429ad3828f5b9dcff20f73c6a7269520e 100644
--- a/Makefile
+++ b/Makefile
@@ -483,7 +483,6 @@ LIB_OBJS += sha1_name.o
 LIB_OBJS += shallow.o
 LIB_OBJS += sideband.o
 LIB_OBJS += strbuf.o
-LIB_OBJS += symlinks.o
 LIB_OBJS += tag.o
 LIB_OBJS += trace.o
 LIB_OBJS += transport.o
diff --git a/cache.h b/cache.h
index 4c56f3faa0b87398e27346358e40af964a1828bb..8b8da85f32600050dddfcdf6b0c0e6ecb8f27072 100644
--- a/cache.h
+++ b/cache.h
@@ -720,7 +720,6 @@ struct checkout {
 
 extern void clear_created_dirs_cache(void);
 extern int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *topath);
-extern int has_symlink_leading_path(int len, const char *name);
 
 #define LSTAT_DIR       (1u << 0)
 #define LSTAT_NOENT     (1u << 1)
diff --git a/symlinks.c b/symlinks.c
deleted file mode 100644
index 5a5e781a15d7d9cb60797958433eca896b31ec85..0000000000000000000000000000000000000000
--- a/symlinks.c
+++ /dev/null
@@ -1,64 +0,0 @@
-#include "cache.h"
-
-struct pathname {
-	int len;
-	char path[PATH_MAX];
-};
-
-/* Return matching pathname prefix length, or zero if not matching */
-static inline int match_pathname(int len, const char *name, struct pathname *match)
-{
-	int match_len = match->len;
-	return (len > match_len &&
-		name[match_len] == '/' &&
-		!memcmp(name, match->path, match_len)) ? match_len : 0;
-}
-
-static inline void set_pathname(int len, const char *name, struct pathname *match)
-{
-	if (len < PATH_MAX) {
-		match->len = len;
-		memcpy(match->path, name, len);
-		match->path[len] = 0;
-	}
-}
-
-int has_symlink_leading_path(int len, const char *name)
-{
-	static struct pathname link, nonlink;
-	char path[PATH_MAX];
-	struct stat st;
-	char *sp;
-	int known_dir;
-
-	/*
-	 * See if the last known symlink cache matches.
-	 */
-	if (match_pathname(len, name, &link))
-		return 1;
-
-	/*
-	 * Get rid of the last known directory part
-	 */
-	known_dir = match_pathname(len, name, &nonlink);
-
-	while ((sp = strchr(name + known_dir + 1, '/')) != NULL) {
-		int thislen = sp - name ;
-		memcpy(path, name, thislen);
-		path[thislen] = 0;
-
-		if (lstat(path, &st))
-			return 0;
-		if (S_ISDIR(st.st_mode)) {
-			set_pathname(thislen, path, &nonlink);
-			known_dir = thislen;
-			continue;
-		}
-		if (S_ISLNK(st.st_mode)) {
-			set_pathname(thislen, path, &link);
-			return 1;
-		}
-		break;
-	}
-	return 0;
-}
-- 
1.6.1.rc1.49.g7f705