src/mesa/slang/slang_utility.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.5.3
   4  *
   5  * Copyright (C) 2005-2007  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #ifndef SLANG_UTILITY_H
  26 #define SLANG_UTILITY_H
  27
  28
  29 #include "main/glheader.h"
  30
  31 /* Compile-time assertions.  If the expression is zero, try to declare an
  32  * array of size [-1] to cause compilation error.
  33  */
  34 #define static_assert(expr) do { int _array[(expr) ? 1 : -1]; (void) _array[0]; } while (0)
  35
  36
  37 #define slang_string_compare(str1, str2) strcmp (str1, str2)
  38 #define slang_string_copy(dst, src) strcpy (dst, src)
  39 #define slang_string_length(str) strlen (str)
  40
  41 char *slang_string_concat (char *, const char *);
  42
  43 /* slang_string */
  44
  45 typedef struct
  46 {
  47    char *data;
  48    GLuint length;
  49    GLuint capacity;
  50    GLboolean fail;
  51 } slang_string;
  52
  53 GLvoid
  54 slang_string_init (slang_string *);
  55
  56 GLvoid
  57 slang_string_free (slang_string *);
  58
  59 GLvoid
  60 slang_string_reset (slang_string *);
  61
  62 GLvoid
  63 slang_string_push (slang_string *, const slang_string *);
  64
  65 GLvoid
  66 slang_string_pushc (slang_string *, const char);
  67
  68 GLvoid
  69 slang_string_pushs (slang_string *, const char *, GLuint);
  70
  71 GLvoid
  72 slang_string_pushi (slang_string *, GLint);
  73
  74 const char *
  75 slang_string_cstr (slang_string *);
  76
  77 /* slang_atom */
  78
  79 typedef GLvoid *slang_atom;
  80
  81 #define SLANG_ATOM_NULL ((slang_atom) 0)
  82
  83 typedef struct slang_atom_entry_
  84 {
  85         char *id;
  86         struct slang_atom_entry_ *next;
  87 } slang_atom_entry;
  88
  89 #define SLANG_ATOM_POOL_SIZE 1023
  90
  91 typedef struct slang_atom_pool_
  92 {
  93         slang_atom_entry *entries[SLANG_ATOM_POOL_SIZE];
  94 } slang_atom_pool;
  95
  96 GLvoid slang_atom_pool_construct (slang_atom_pool *);
  97 GLvoid slang_atom_pool_destruct (slang_atom_pool *);
  98 slang_atom slang_atom_pool_atom (slang_atom_pool *, const char *);
  99 const char *slang_atom_pool_id (slang_atom_pool *, slang_atom);
 100
 101
 102 #endif