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https://github.com/lua/lua
synced 2024-11-22 12:51:30 +03:00
'strftime' puts its result directly into 'lua_Buffer'
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parent
4af03c5ae1
commit
403e181d81
14
loslib.c
14
loslib.c
@ -1,5 +1,5 @@
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/*
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** $Id: loslib.c,v 1.57 2015/04/10 17:41:04 roberto Exp roberto $
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** $Id: loslib.c,v 1.58 2015/07/04 16:35:14 roberto Exp roberto $
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** Standard Operating System library
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** See Copyright Notice in lua.h
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*/
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@ -253,6 +253,10 @@ static const char *checkoption (lua_State *L, const char *conv, char *buff) {
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}
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/* maximum size for an individual 'strftime' item */
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#define SIZETIMEFMT 250
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static int os_date (lua_State *L) {
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const char *s = luaL_optstring(L, 1, "%c");
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time_t t = luaL_opt(L, l_checktime, 2, time(NULL));
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@ -283,14 +287,14 @@ static int os_date (lua_State *L) {
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cc[0] = '%';
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luaL_buffinit(L, &b);
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while (*s) {
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if (*s != '%') /* no conversion specifier? */
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if (*s != '%') /* not a conversion specifier? */
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luaL_addchar(&b, *s++);
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else {
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size_t reslen;
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char buff[200]; /* should be big enough for any conversion result */
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char *buff = luaL_prepbuffsize(&b, SIZETIMEFMT);
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s = checkoption(L, s + 1, cc);
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reslen = strftime(buff, sizeof(buff), cc, stm);
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luaL_addlstring(&b, buff, reslen);
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reslen = strftime(buff, SIZETIMEFMT, cc, stm);
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luaL_addsize(&b, reslen);
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}
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}
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luaL_pushresult(&b);
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