src/waffle/core/wcore_util.c

   1 // SPDX-FileCopyrightText: Copyright 2012 Intel Corporation
   2 // SPDX-License-Identifier: BSD-2-Clause
   3
   4 #include <stdlib.h>
   5
   6 #include "wcore_error.h"
   7 #include "wcore_util.h"
   8
   9 bool
  10 wcore_add_size(size_t *res, size_t x, size_t y)
  11 {
  12     if (x > SIZE_MAX - y) {
  13         return false;
  14     }
  15
  16     *res = x + y;
  17     return true;
  18 }
  19
  20 bool
  21 wcore_mul_size(size_t *res, size_t x, size_t y)
  22 {
  23     if (x > SIZE_MAX / y) {
  24         return false;
  25     }
  26
  27     *res = x * y;
  28     return true;
  29 }
  30
  31 void*
  32 wcore_malloc(size_t size)
  33 {
  34     void *p = malloc(size);
  35     if (p == NULL)
  36         wcore_error(WAFFLE_ERROR_BAD_ALLOC);
  37     return p;
  38 }
  39
  40 void*
  41 wcore_calloc(size_t size)
  42 {
  43     void *p = calloc(1, size);
  44     if (p == NULL)
  45         wcore_error(WAFFLE_ERROR_BAD_ALLOC);
  46     return p;
  47 }
  48
  49 void*
  50 wcore_realloc(void *ptr, size_t size)
  51 {
  52     void *p = realloc(ptr, size);
  53     if (p == NULL)
  54         wcore_error(WAFFLE_ERROR_BAD_ALLOC);
  55     return p;
  56 }
  57
  58 char*
  59 wcore_strdup(const char *str)
  60 {
  61     char *p = strdup(str);
  62     if (p == NULL)
  63         wcore_error(WAFFLE_ERROR_BAD_ALLOC);
  64     return p;
  65 }
  66
  67 const char*
  68 wcore_enum_to_string(int32_t e)
  69 {
  70     switch (e) {
  71         #define CASE(x) case x: return #x
  72
  73         CASE(WAFFLE_DONT_CARE);
  74         CASE(WAFFLE_NONE);
  75         CASE(WAFFLE_PLATFORM);
  76         CASE(WAFFLE_PLATFORM_ANDROID);
  77         CASE(WAFFLE_PLATFORM_CGL);
  78         CASE(WAFFLE_PLATFORM_GLX);
  79         CASE(WAFFLE_PLATFORM_WAYLAND);
  80         CASE(WAFFLE_PLATFORM_X11_EGL);
  81         CASE(WAFFLE_PLATFORM_GBM);
  82         CASE(WAFFLE_PLATFORM_WGL);
  83         CASE(WAFFLE_PLATFORM_SURFACELESS_EGL);
  84         CASE(WAFFLE_CONTEXT_API);
  85         CASE(WAFFLE_CONTEXT_OPENGL);
  86         CASE(WAFFLE_CONTEXT_OPENGL_ES1);
  87         CASE(WAFFLE_CONTEXT_OPENGL_ES2);
  88         CASE(WAFFLE_CONTEXT_OPENGL_ES3);
  89         CASE(WAFFLE_CONTEXT_MAJOR_VERSION);
  90         CASE(WAFFLE_CONTEXT_MINOR_VERSION);
  91         CASE(WAFFLE_CONTEXT_PROFILE);
  92         CASE(WAFFLE_CONTEXT_CORE_PROFILE);
  93         CASE(WAFFLE_CONTEXT_COMPATIBILITY_PROFILE);
  94         CASE(WAFFLE_CONTEXT_FORWARD_COMPATIBLE);
  95         CASE(WAFFLE_CONTEXT_DEBUG);
  96         CASE(WAFFLE_CONTEXT_ROBUST_ACCESS);
  97         CASE(WAFFLE_CONTEXT_LOSE_CONTEXT_ON_RESET);
  98         CASE(WAFFLE_RED_SIZE);
  99         CASE(WAFFLE_GREEN_SIZE);
 100         CASE(WAFFLE_BLUE_SIZE);
 101         CASE(WAFFLE_ALPHA_SIZE);
 102         CASE(WAFFLE_DEPTH_SIZE);
 103         CASE(WAFFLE_STENCIL_SIZE);
 104         CASE(WAFFLE_SAMPLE_BUFFERS);
 105         CASE(WAFFLE_SAMPLES);
 106         CASE(WAFFLE_DOUBLE_BUFFERED);
 107         CASE(WAFFLE_ACCUM_BUFFER);
 108         CASE(WAFFLE_DL_OPENGL);
 109         CASE(WAFFLE_DL_OPENGL_ES1);
 110         CASE(WAFFLE_DL_OPENGL_ES2);
 111         CASE(WAFFLE_DL_OPENGL_ES3);
 112         CASE(WAFFLE_WINDOW_WIDTH);
 113         CASE(WAFFLE_WINDOW_HEIGHT);
 114         CASE(WAFFLE_WINDOW_FULLSCREEN);
 115
 116         default: return NULL;
 117
 118         #undef CASE
 119     }
 120 }