lf_to_crlf_filter(): tell the caller we added "\n" when draining

[git.git] / abspath.c

diff --git a/abspath.c b/abspath.c
index 37287f86c18f8b532feb38b5c70541c8cb3d3a44..f04ac18e33063f7e2cb9ab9eab9a6b86cb089b5a 100644 (file)
--- a/abspath.c
+++ b/abspath.c
@@ -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;
+}