bisect.c: reduce scope of variable

diff --git a/path.c b/path.c
index fa62da58ed9ad21ef47a679f8522add5a548e4e0..24594c41120bebab1e04f5bc4bd8fc484ea71b97 100644 (file)
--- a/path.c
+++ b/path.c
@@ -5,13 +5,7 @@
 #include "strbuf.h"
 #include "string-list.h"
 
-#ifndef get_st_mode_bits
-/*
- * The replacement lstat(2) we use on Cygwin is incomplete and
- * may return wrong permission bits. Most of the time we do not care,
- * but the callsites of this wrapper do care.
- */
-int get_st_mode_bits(const char *path, int *mode)
+static int get_st_mode_bits(const char *path, int *mode)
 {
        struct stat st;
        if (lstat(path, &st) < 0)
@@ -19,7 +13,6 @@ int get_st_mode_bits(const char *path, int *mode)
        *mode = st.st_mode;
        return 0;
 }
-#endif
 
 static char bad_path[] = "/bad-path/";
 
@@ -615,8 +608,14 @@ const char *remove_leading_path(const char *in, const char *prefix)
  *
  * Note that this function is purely textual.  It does not follow symlinks,
  * verify the existence of the path, or make any system calls.
+ *
+ * prefix_len != NULL is for a specific case of prefix_pathspec():
+ * assume that src == dst and src[0..prefix_len-1] is already
+ * normalized, any time "../" eats up to the prefix_len part,
+ * prefix_len is reduced. In the end prefix_len is the remaining
+ * prefix that has not been overridden by user pathspec.
  */
-int normalize_path_copy(char *dst, const char *src)
+int normalize_path_copy_len(char *dst, const char *src, int *prefix_len)
 {
        char *dst0;
 
@@ -691,11 +690,18 @@ int normalize_path_copy(char *dst, const char *src)
                /* Windows: dst[-1] cannot be backslash anymore */
                while (dst0 < dst && dst[-1] != '/')
                        dst--;
+               if (prefix_len && *prefix_len > dst - dst0)
+                       *prefix_len = dst - dst0;
        }
        *dst = '\0';
        return 0;
 }
 
+int normalize_path_copy(char *dst, const char *src)
+{
+       return normalize_path_copy_len(dst, src, NULL);
+}
+
 /*
  * path = Canonical absolute path
  * prefixes = string_list containing normalized, absolute paths without