setup: refactor repo format reading and verification

diff --git a/path.c b/path.c
index 3cd155e27dddee6774d48522945c0615f6207d8c..a6f1cd69a06e02fb2a3881d87a32d34c1f8af854 100644 (file)
--- a/path.c
+++ b/path.c
@@ -699,17 +699,17 @@ static int calc_shared_perm(int mode)
 {
        int tweak;
 
-       if (shared_repository < 0)
-               tweak = -shared_repository;
+       if (get_shared_repository() < 0)
+               tweak = -get_shared_repository();
        else
-               tweak = shared_repository;
+               tweak = get_shared_repository();
 
        if (!(mode & S_IWUSR))
                tweak &= ~0222;
        if (mode & S_IXUSR)
                /* Copy read bits to execute bits */
                tweak |= (tweak & 0444) >> 2;
-       if (shared_repository < 0)
+       if (get_shared_repository() < 0)
                mode = (mode & ~0777) | tweak;
        else
                mode |= tweak;
@@ -722,7 +722,7 @@ int adjust_shared_perm(const char *path)
 {
        int old_mode, new_mode;
 
-       if (!shared_repository)
+       if (!get_shared_repository())
                return 0;
        if (get_st_mode_bits(path, &old_mode) < 0)
                return -1;
@@ -782,13 +782,10 @@ const char *relative_path(const char *in, const char *prefix,
        else if (!prefix_len)
                return in;
 
-       if (have_same_root(in, prefix)) {
+       if (have_same_root(in, prefix))
                /* bypass dos_drive, for "c:" is identical to "C:" */
-               if (has_dos_drive_prefix(in)) {
-                       i = 2;
-                       j = 2;
-               }
-       } else {
+               i = j = has_dos_drive_prefix(in);
+       else {
                return in;
        }
 
@@ -943,11 +940,10 @@ const char *remove_leading_path(const char *in, const char *prefix)
 int normalize_path_copy_len(char *dst, const char *src, int *prefix_len)
 {
        char *dst0;
+       int i;
 
-       if (has_dos_drive_prefix(src)) {
+       for (i = has_dos_drive_prefix(src); i > 0; i--)
                *dst++ = *src++;
-               *dst++ = *src++;
-       }
        dst0 = dst;
 
        if (is_dir_sep(*src)) {