commit 32a1f54b9aba958429dd3fd249b62199071ed8aa
parent 6df197ec150a33907dec61b5ca506744543aaea3
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Thu, 4 Dec 2014 14:25:15 -0200
no more default size for option 'c' in pack/unpack
Diffstat:
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/lstrlib.c b/lstrlib.c
@@ -1,5 +1,5 @@
/*
-** $Id: lstrlib.c,v 1.216 2014/11/08 18:12:53 roberto Exp roberto $
+** $Id: lstrlib.c,v 1.217 2014/11/11 19:40:20 roberto Exp roberto $
** Standard library for string operations and pattern-matching
** See Copyright Notice in lua.h
*/
@@ -1084,7 +1084,11 @@ static KOption getoption (Header *h, const char **fmt, int *size) {
case 'i': *size = getnumlimit(h, fmt, sizeof(int)); return Kint;
case 'I': *size = getnumlimit(h, fmt, sizeof(int)); return Kuint;
case 's': *size = getnumlimit(h, fmt, sizeof(size_t)); return Kstring;
- case 'c': *size = getnum(fmt, 1); return Kchar;
+ case 'c':
+ *size = getnum(fmt, -1);
+ if (*size == -1)
+ luaL_error(h->L, "missing size for format option 'c'");
+ return Kchar;
case 'z': return Kzstr;
case 'x': *size = 1; return Kpadding;
case 'X': return Kpaddalign;