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"tonumber" goes crazy with negative numbers in other bases (not 10), 

because "strtol" returns long, not unsigned long.
This commit is contained in:
Roberto Ierusalimschy 1998-12-18 11:26:43 -02:00
parent b8fcb7b151
commit 0c9080c7a9
2 changed files with 8 additions and 2 deletions
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6
bugs
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@ -52,3 +52,9 @@ of view) when functions have upvalues.
** lstrlib.c ** lstrlib.c
Tue Nov 10 17:29:36 EDT 1998 Tue Nov 10 17:29:36 EDT 1998
>> gsub/strfind do not check whether captures are properly finished. >> gsub/strfind do not check whether captures are properly finished.
** lbuiltin.c
Fri Dec 18 11:22:55 EDT 1998
>> "tonumber" goes crazy with negative numbers in other bases (not 10),
because "strtol" returns long, not unsigned long.

4
lbuiltin.c
View File

@ -1,5 +1,5 @@
/* /*
** $Id: lbuiltin.c,v 1.37 1998/12/15 14:59:59 roberto Exp roberto $ ** $Id: lbuiltin.c,v 1.38 1998/12/15 15:21:09 roberto Exp $
** Built-in functions ** Built-in functions
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -268,7 +268,7 @@ static void luaB_tonumber (void) {
} }
else { else {
char *s = luaL_check_string(1); char *s = luaL_check_string(1);
unsigned long n; long n;
luaL_arg_check(0 <= base && base <= 36, 2, "base out of range"); luaL_arg_check(0 <= base && base <= 36, 2, "base out of range");
n = strtol(s, &s, base); n = strtol(s, &s, base);
while (isspace(*s)) s++; /* skip trailing spaces */ while (isspace(*s)) s++; /* skip trailing spaces */