mirror of https://github.com/odrling/Aegisub
51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/*
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** String handling.
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** Copyright (C) 2005-2017 Mike Pall. See Copyright Notice in luajit.h
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*/
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#ifndef _LJ_STR_H
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#define _LJ_STR_H
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#include <stdarg.h>
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#include "lj_obj.h"
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/* String interning. */
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LJ_FUNC int32_t LJ_FASTCALL lj_str_cmp(GCstr *a, GCstr *b);
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LJ_FUNC void lj_str_resize(lua_State *L, MSize newmask);
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LJ_FUNCA GCstr *lj_str_new(lua_State *L, const char *str, size_t len);
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LJ_FUNC void LJ_FASTCALL lj_str_free(global_State *g, GCstr *s);
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#define lj_str_newz(L, s) (lj_str_new(L, s, strlen(s)))
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#define lj_str_newlit(L, s) (lj_str_new(L, "" s, sizeof(s)-1))
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/* Type conversions. */
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LJ_FUNC size_t LJ_FASTCALL lj_str_bufnum(char *s, cTValue *o);
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LJ_FUNC char * LJ_FASTCALL lj_str_bufint(char *p, int32_t k);
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LJ_FUNCA GCstr * LJ_FASTCALL lj_str_fromnum(lua_State *L, const lua_Number *np);
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LJ_FUNC GCstr * LJ_FASTCALL lj_str_fromint(lua_State *L, int32_t k);
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LJ_FUNCA GCstr * LJ_FASTCALL lj_str_fromnumber(lua_State *L, cTValue *o);
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#define LJ_STR_INTBUF (1+10)
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#define LJ_STR_NUMBUF LUAI_MAXNUMBER2STR
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/* String formatting. */
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LJ_FUNC const char *lj_str_pushvf(lua_State *L, const char *fmt, va_list argp);
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LJ_FUNC const char *lj_str_pushf(lua_State *L, const char *fmt, ...)
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#if defined(__GNUC__)
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__attribute__ ((format (printf, 2, 3)))
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#endif
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;
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/* Resizable string buffers. Struct definition in lj_obj.h. */
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LJ_FUNC char *lj_str_needbuf(lua_State *L, SBuf *sb, MSize sz);
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#define lj_str_initbuf(sb) ((sb)->buf = NULL, (sb)->sz = 0)
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#define lj_str_resetbuf(sb) ((sb)->n = 0)
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#define lj_str_resizebuf(L, sb, size) \
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((sb)->buf = (char *)lj_mem_realloc(L, (sb)->buf, (sb)->sz, (size)), \
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(sb)->sz = (size))
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#define lj_str_freebuf(g, sb) lj_mem_free(g, (void *)(sb)->buf, (sb)->sz)
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#endif
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