From: Cristian Adam <cristian.adam@gmail.com>
Date: Wed, 28 Aug 2019 17:07:21 +0000 (+0200)
Subject: Win32: make_relative_path also accept /c/users (#455)
X-Git-Tag: v3.7.4~3
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=93322f0acf4979b1341706342d6dc40d5960b043;p=thirdparty%2Fccache.git

Win32: make_relative_path also accept /c/users (#455)

Patch copied from jd-gascuel@f3b85c9

(cherry picked from commit 1fa9f0c8130177578020cdb89b9c93792f42400e)
---

diff --git a/src/ccache.c b/src/ccache.c
index ca3b961ab..6204ce212 100644
--- a/src/ccache.c
+++ b/src/ccache.c
@@ -791,7 +791,15 @@ make_relative_path(char *path)
 
 #ifdef _WIN32
 	if (path[0] == '/') {
-		path++;  // Skip leading slash.
+		char *p = NULL;
+		if (isalpha(path[1]) && path[2] == '/') {
+			// Transform /c/path... to c:/path...
+			p = format("%c:/%s", path[1], &path[3]);
+		} else {
+			p = x_strdup(path+1); // Skip leading slash.
+		}
+		free(path);
+		path = p;
 	}
 #endif