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authorMike Pall <mike>2009-12-08 19:46:35 +0100
committerMike Pall <mike>2009-12-08 19:46:35 +0100
commit55b16959717084884fd4a0cbae6d19e3786c20c7 (patch)
treec8a07a43c13679751ed25a9d06796e9e7b2134a6 /src/lj_str.h
downloadluajit-2.0.0-beta1.tar.gz
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RELEASE LuaJIT-2.0.0-beta1v2.0.0-beta1
Diffstat (limited to 'src/lj_str.h')
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1/*
2** String handling.
3** Copyright (C) 2005-2009 Mike Pall. See Copyright Notice in luajit.h
4*/
5
6#ifndef _LJ_STR_H
7#define _LJ_STR_H
8
9#include <stdarg.h>
10
11#include "lj_obj.h"
12
13/* String interning. */
14LJ_FUNCA int32_t lj_str_cmp(GCstr *a, GCstr *b);
15LJ_FUNC void lj_str_resize(lua_State *L, MSize newmask);
16LJ_FUNCA GCstr *lj_str_new(lua_State *L, const char *str, size_t len);
17LJ_FUNC void LJ_FASTCALL lj_str_free(global_State *g, GCstr *s);
18
19#define lj_str_newz(L, s) (lj_str_new(L, s, strlen(s)))
20#define lj_str_newlit(L, s) (lj_str_new(L, "" s, sizeof(s)-1))
21
22/* Type conversions. */
23LJ_FUNCA int lj_str_numconv(const char *s, TValue *n);
24LJ_FUNCA GCstr *lj_str_fromnum(lua_State *L, const lua_Number *np);
25LJ_FUNCA GCstr *lj_str_fromint(lua_State *L, int32_t k);
26
27/* String formatting. */
28LJ_FUNC const char *lj_str_pushvf(lua_State *L, const char *fmt, va_list argp);
29LJ_FUNC const char *lj_str_pushf(lua_State *L, const char *fmt, ...)
30#if defined(__GNUC__)
31 __attribute__ ((format (printf, 2, 3)))
32#endif
33 ;
34
35/* Resizable string buffers. Struct definition in lj_obj.h. */
36LJ_FUNC char *lj_str_needbuf(lua_State *L, SBuf *sb, MSize sz);
37
38#define lj_str_initbuf(L, sb) ((sb)->buf = NULL, (sb)->sz = 0)
39#define lj_str_resetbuf(sb) ((sb)->n = 0)
40#define lj_str_resizebuf(L, sb, size) \
41 ((sb)->buf = (char *)lj_mem_realloc(L, (sb)->buf, (sb)->sz, (size)), \
42 (sb)->sz = (size))
43#define lj_str_freebuf(g, sb) lj_mem_free(g, (void *)(sb)->buf, (sb)->sz)
44
45#endif