src/mesa/slang/slang_log.c

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  7.3
   4  *
   5  * Copyright (C) 2005-2007  Brian Paul   All Rights Reserved.
   6  * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included
  16  * in all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  22  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  23  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 #include "main/imports.h"
  27 #include "slang_log.h"
  28 #include "slang_utility.h"
  29
  30
  31
  32 static char *out_of_memory = "Error: Out of memory.\n";
  33
  34 void
  35 slang_info_log_construct(slang_info_log * log)
  36 {
  37    log->text = NULL;
  38    log->dont_free_text = GL_FALSE;
  39    log->error_flag = GL_FALSE;
  40 }
  41
  42 void
  43 slang_info_log_destruct(slang_info_log * log)
  44 {
  45    if (!log->dont_free_text)
  46       free(log->text);
  47 }
  48
  49 static int
  50 slang_info_log_message(slang_info_log * log, const char *prefix,
  51                        const char *msg)
  52 {
  53    GLuint size;
  54
  55    if (log->dont_free_text)
  56       return 0;
  57    size = slang_string_length(msg) + 2;
  58    if (prefix != NULL)
  59       size += slang_string_length(prefix) + 2;
  60    if (log->text != NULL) {
  61       GLuint old_len = slang_string_length(log->text);
  62       log->text = (char *)
  63          _mesa_realloc(log->text, old_len + 1, old_len + size);
  64    }
  65    else {
  66       log->text = (char *) (malloc(size));
  67       if (log->text != NULL)
  68          log->text[0] = '\0';
  69    }
  70    if (log->text == NULL)
  71       return 0;
  72    if (prefix != NULL) {
  73       slang_string_concat(log->text, prefix);
  74       slang_string_concat(log->text, ": ");
  75    }
  76    slang_string_concat(log->text, msg);
  77    slang_string_concat(log->text, "\n");
  78
  79    return 1;
  80 }
  81
  82 int
  83 slang_info_log_print(slang_info_log * log, const char *msg, ...)
  84 {
  85    va_list va;
  86    char buf[1024];
  87
  88    va_start(va, msg);
  89    vsprintf(buf, msg, va);
  90    va_end(va);
  91    return slang_info_log_message(log, NULL, buf);
  92 }
  93
  94 int
  95 slang_info_log_error(slang_info_log * log, const char *msg, ...)
  96 {
  97    va_list va;
  98    char buf[1024];
  99
 100    va_start(va, msg);
 101    vsprintf(buf, msg, va);
 102    va_end(va);
 103    log->error_flag = GL_TRUE;
 104    if (slang_info_log_message(log, "Error", buf))
 105       return 1;
 106    slang_info_log_memory(log);
 107    return 0;
 108 }
 109
 110 int
 111 slang_info_log_warning(slang_info_log * log, const char *msg, ...)
 112 {
 113    va_list va;
 114    char buf[1024];
 115
 116    va_start(va, msg);
 117    vsprintf(buf, msg, va);
 118    va_end(va);
 119    if (slang_info_log_message(log, "Warning", buf))
 120       return 1;
 121    slang_info_log_memory(log);
 122    return 0;
 123 }
 124
 125 void
 126 slang_info_log_memory(slang_info_log * log)
 127 {
 128    if (!slang_info_log_message(log, "Error", "Out of memory.")) {
 129       log->dont_free_text = GL_TRUE;
 130       log->error_flag = GL_TRUE;
 131       log->text = out_of_memory;
 132    }
 133 }