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small optimization

This commit is contained in:
Roberto Ierusalimschy 2005-08-01 01:22:23 -03:00
parent e82bdb24f3
commit 95f3eefa5b
1 changed files with 2 additions and 1 deletions
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3
lobject.c
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@ -1,5 +1,5 @@
/* /*
** $Id: lobject.c,v 2.16 2005/07/11 14:00:14 roberto Exp roberto $ ** $Id: lobject.c,v 2.17 2005/07/31 17:11:50 roberto Exp roberto $
** Some generic functions over Lua objects ** Some generic functions over Lua objects
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -91,6 +91,7 @@ int luaO_str2d (const char *s, lua_Number *result) {
char *endptr; char *endptr;
*result = lua_str2number(s, &endptr); *result = lua_str2number(s, &endptr);
if (endptr == s) return 0; /* conversion failed */ if (endptr == s) return 0; /* conversion failed */
if (*endptr == '\0') return 1; /* most common case */
while (isspace(cast(unsigned char, *endptr))) endptr++; while (isspace(cast(unsigned char, *endptr))) endptr++;
if (*endptr != '\0') return 0; /* invalid trailing characters? */ if (*endptr != '\0') return 0; /* invalid trailing characters? */
return 1; return 1;