Alexandre Julliard : winegcc: Fix the lib dir detection.

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: 8fdb4620bdeae112a349bf37387744c566b39417
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=8fdb4620bdeae112a349bf37387744c566b39417

Author: Alexandre Julliard <julliard at winehq.org>
Date:   Thu Oct 28 11:45:05 2010 +0200

winegcc: Fix the lib dir detection.

Spotted by André Hentschel.
(cherry picked from commit 62f9966fdc8e37720d9ad60a87592b0a593a03a9)

---

 tools/winegcc/winegcc.c |   22 +++++++++++++++-------
 1 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/tools/winegcc/winegcc.c b/tools/winegcc/winegcc.c
index c5b8537..dbf66c8 100644
--- a/tools/winegcc/winegcc.c
+++ b/tools/winegcc/winegcc.c
@@ -339,28 +339,36 @@ static int check_platform( struct options *opts, const char *file )
 static char *get_lib_dir( struct options *opts )
 {
     static const char *stdlibpath[] = { LIBDIR, "/usr/lib", "/usr/local/lib", "/lib" };
+    static const char libwine[] = "/libwine.so";
     unsigned int i;
 
     for (i = 0; i < sizeof(stdlibpath)/sizeof(stdlibpath[0]); i++)
     {
-        char *p, *buffer = xmalloc( strlen(stdlibpath[i]) + sizeof("32/libwine.so") );
+        char *p, *buffer = xmalloc( strlen(stdlibpath[i]) + strlen(libwine) + 3 );
         strcpy( buffer, stdlibpath[i] );
         p = buffer + strlen(buffer);
         while (p > buffer && p[-1] == '/') p--;
-        strcpy( p, "/libwine.so" );
-        if (check_platform( opts, buffer )) return buffer;
+        strcpy( p, libwine );
+        if (check_platform( opts, buffer )) goto found;
         if (p > buffer + 2 && (!memcmp( p - 2, "32", 2 ) || !memcmp( p - 2, "64", 2 ))) p -= 2;
         if (opts->force_pointer_size == 4 || (!opts->force_pointer_size && opts->target_cpu != CPU_x86_64))
         {
-            strcpy( p, "32/libwine.so" );
-            if (check_platform( opts, buffer )) return buffer;
+            strcpy( p, "32" );
+            strcat( p, libwine );
+            if (check_platform( opts, buffer )) goto found;
         }
         if (opts->force_pointer_size == 8 || (!opts->force_pointer_size && opts->target_cpu == CPU_x86_64))
         {
-            strcpy( p, "64/libwine.so" );
-            if (check_platform( opts, buffer )) return buffer;
+            strcpy( p, "64" );
+            strcat( p, libwine );
+            if (check_platform( opts, buffer )) goto found;
         }
         free( buffer );
+        continue;
+
+    found:
+        buffer[strlen(buffer) - strlen(libwine)] = 0;
+        return buffer;
     }
     return xstrdup( LIBDIR );
 }