tsed: avoid crash when rregexec return error - plan9port - [fork] Plan 9 from user space
  HTML git clone git://src.adamsgaard.dk/plan9port
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       ---
   DIR commit ee85defda48d1d6b7c18b9fab7140c6598d2f658
   DIR parent 1adb2a07bff16932f070a29af8460c35be34fb65
  HTML Author: Russ Cox <rsc@swtch.com>
       Date:   Wed,  4 Feb 2009 20:13:18 -0800
       
       sed: avoid crash when rregexec return error
       
       Diffstat:
         M src/cmd/sed.c                       |       2 +-
       
       1 file changed, 1 insertion(+), 1 deletion(-)
       ---
   DIR diff --git a/src/cmd/sed.c b/src/cmd/sed.c
       t@@ -994,7 +994,7 @@ match(Reprog *pattern, Rune *buf)
                        return 0;
                subexp[0].s.rsp = buf; 
                subexp[0].e.rep = 0;
       -        if (rregexec(pattern, linebuf, subexp, MAXSUB)) {
       +        if (rregexec(pattern, linebuf, subexp, MAXSUB) > 0) {
                        loc1 = subexp[0].s.rsp;
                        loc2 = subexp[0].e.rep;
                        return 1;