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bug: gsub/strfind do not check whether captures are properly finished.

This commit is contained in:
Roberto Ierusalimschy 1998-11-10 17:38:12 -02:00
parent 4ccfb2f9bc
commit a84bca67fc
2 changed files with 10 additions and 3 deletions
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4
bugs
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@ -48,3 +48,7 @@ Mon May 18 19:20:00 EST 1998
Mon Sep 7 15:57:02 EST 1998 Mon Sep 7 15:57:02 EST 1998
>> function "luaL_argerror" prints wrong argument number (from a user's point >> function "luaL_argerror" prints wrong argument number (from a user's point
of view) when functions have upvalues. of view) when functions have upvalues.
** lstrlib.c
Tue Nov 10 17:29:36 EDT 1998
>> gsub/strfind do not check whether captures are properly finished.

9
lstrlib.c
View File

@ -1,5 +1,5 @@
/* /*
** $Id: lstrlib.c,v 1.18 1998/07/01 14:21:57 roberto Exp roberto $ ** $Id: lstrlib.c,v 1.19 1998/07/12 16:13:45 roberto Exp roberto $
** Standard library for strings and pattern-matching ** Standard library for strings and pattern-matching
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -138,8 +138,11 @@ struct Capture {
static void push_captures (struct Capture *cap) static void push_captures (struct Capture *cap)
{ {
int i; int i;
for (i=0; i<cap->level; i++) for (i=0; i<cap->level; i++) {
lua_pushlstring(cap->capture[i].init, cap->capture[i].len); int l = cap->capture[i].len;
if (l == -1) lua_error("unfinished capture");
lua_pushlstring(cap->capture[i].init, l);
}
} }