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-rw-r--r--abspath.c32
1 files changed, 30 insertions, 2 deletions
diff --git a/abspath.c b/abspath.c
index f9494c49c1..f04ac18e33 100644
--- a/abspath.c
+++ b/abspath.c
@@ -40,7 +40,7 @@ const char *real_path(const char *path)
while (depth--) {
if (!is_directory(buf)) {
- char *last_slash = strrchr(buf, '/');
+ char *last_slash = find_last_dir_sep(buf);
if (last_slash) {
*last_slash = '\0';
last_elem = xstrdup(last_slash + 1);
@@ -65,7 +65,7 @@ const char *real_path(const char *path)
if (len + strlen(last_elem) + 2 > PATH_MAX)
die ("Too long path name: '%s/%s'",
buf, last_elem);
- if (len && buf[len-1] != '/')
+ if (len && !is_dir_sep(buf[len-1]))
buf[len++] = '/';
strcpy(buf + len, last_elem);
free(last_elem);
@@ -139,3 +139,31 @@ const char *absolute_path(const char *path)
}
return buf;
}
+
+/*
+ * Unlike prefix_path, this should be used if the named file does
+ * not have to interact with index entry; i.e. name of a random file
+ * on the filesystem.
+ */
+const char *prefix_filename(const char *pfx, int pfx_len, const char *arg)
+{
+ static char path[PATH_MAX];
+#ifndef WIN32
+ if (!pfx_len || is_absolute_path(arg))
+ return arg;
+ memcpy(path, pfx, pfx_len);
+ strcpy(path + pfx_len, arg);
+#else
+ char *p;
+ /* don't add prefix to absolute paths, but still replace '\' by '/' */
+ if (is_absolute_path(arg))
+ pfx_len = 0;
+ else if (pfx_len)
+ memcpy(path, pfx, pfx_len);
+ strcpy(path + pfx_len, arg);
+ for (p = path + pfx_len; *p; p++)
+ if (*p == '\\')
+ *p = '/';
+#endif
+ return path;
+}