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realloc()ing a just freed pointer is a bad idea.

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Detected by: phkmalloc :-)
This commit is contained in:
Joerg Wunsch 1996-09-01 16:37:00 +00:00
parent 18666fbe54
commit b19d0e49c4
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=3732
1 changed files with 10 additions and 0 deletions
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comms/xcept/files/patch-af Normal file
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@ -0,0 +1,10 @@
--- xcept/script.c.orig Sun Sep 1 18:24:46 1996
+++ xcept/script.c Sun Sep 1 18:32:08 1996
@@ -809,7 +809,6 @@
if(a->value == b->value)
return error("pc: %d - variables don't differ!\n",pc);
len = strlen(a->value) + strlen(b->value) + 1;
- free(a->value);
if(!(a->value = ralloc(a->value,len))) return errorp("realloc\n");
strcat(a->value,b->value);