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author | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2014-12-04 14:25:40 -0200 |
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committer | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2014-12-04 14:25:40 -0200 |
commit | 32a1f54b9aba958429dd3fd249b62199071ed8aa (patch) | |
tree | 0893fcf6f214ad730eb78023ab1127424ba3c944 /lstrlib.c | |
parent | 6df197ec150a33907dec61b5ca506744543aaea3 (diff) | |
download | lua-github-32a1f54b9aba958429dd3fd249b62199071ed8aa.tar.gz |
no more default size for option 'c' in pack/unpack
Diffstat (limited to 'lstrlib.c')
-rw-r--r-- | lstrlib.c | 8 |
1 files changed, 6 insertions, 2 deletions
@@ -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; |