Segfault completing in minibuffer

Segfault completing in minibuffer

[Bart Schaefer]

The latest CVS segfaults when completing at the minibuffer prompt for
execute-named-cmd, whether or not unicode support is enabled.

Re: Segfault completing in minibuffer

[Peter Stephenson]

Bart Schaefer wrote:
> The latest CVS segfaults when completing at the minibuffer prompt for
> execute-named-cmd, whether or not unicode support is enabled.

Another two uses of unmetafy need the string copying.  Probably an
allocating version of unmetafy would be more efficient.

Index: Src/Zle/zle_misc.c
===================================================================
RCS file: /cvsroot/zsh/zsh/Src/Zle/zle_misc.c,v
retrieving revision 1.21
diff -u -r1.21 zle_misc.c
--- Src/Zle/zle_misc.c	7 Mar 2005 11:11:27 -0000	1.21
+++ Src/Zle/zle_misc.c	11 Mar 2005 10:28:08 -0000
@@ -911,8 +911,9 @@
 		    showinglist = 0;
 		    zmult = zmultsav;
 		} else if (!nextnode(firstnode(namedcmdll))) {
-		    ZLE_STRING_T ztmp = stringaszleline(peekfirst(namedcmdll),
-							&len, NULL);
+		    char *peekstr = ztrdup(peekfirst(namedcmdll));
+		    ZLE_STRING_T ztmp = stringaszleline(peekstr, &len, NULL);
+		    zsfree(peekstr);
 		    ZS_memcpy(ptr = cmdbuf, ztmp, len);
 		    ptr += len;
 		    free(ztmp);
@@ -920,8 +921,9 @@
 			goto unambiguous;
 		} else {
 		    int ltmp;
-		    ZLE_STRING_T ztmp = stringaszleline(peekfirst(namedcmdll),
-							&ltmp, NULL);
+		    char *peekstr = ztrdup(peekfirst(namedcmdll));
+		    ZLE_STRING_T ztmp = stringaszleline(peekstr, &ltmp, NULL);
+		    zsfree(peekstr);
 		    ZS_memcpy(cmdbuf, ztmp, ltmp);
 		    free(ztmp);
 		    ptr = cmdbuf + namedcmdambig;

-- 
Peter Stephenson <pws@csr.com>                  Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK                          Tel: +44 (0)1223 692070


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