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       tvacfs: fix segfault when no prefix specified - plan9port - [fork] Plan 9 from user space
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       ---
   DIR commit aac05c40926da9a9742e4eaaa1b02ea77539e223
   DIR parent 83a5aba766bf2a2a84fe20df0d72d47a9105fdb2
  HTML Author: David du Colombier <0intro@gmail.com>
       Date:   Wed, 30 Nov 2011 15:20:43 -0500
       
       vacfs: fix segfault when no prefix specified
       
       R=rsc
       CC=plan9port.codebot
       http://codereview.appspot.com/5451052
       
       Diffstat:
         M src/cmd/vac/file.c                  |       2 +-
       
       1 file changed, 1 insertion(+), 1 deletion(-)
       ---
   DIR diff --git a/src/cmd/vac/file.c b/src/cmd/vac/file.c
       t@@ -1774,7 +1774,7 @@ vacfsopen(VtConn *z, char *file, int mode, ulong cachemem)
                char *prefix;
                
                if(vtparsescore(file, &prefix, score) >= 0){
       -                if(strcmp(prefix, "vac") != 0){
       +                if(prefix == nil || strcmp(prefix, "vac") != 0){
                                werrstr("not a vac file");
                                return nil;
                        }