Mercurial > hg > dmlib

annotate src/dmlib.c @ 1102:e06abfde6c39

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Cosmetics pass: Remove excess whitespace.
author Matti Hamalainen <ccr@tnsp.org>
date Tue, 03 Mar 2015 23:22:36 +0200
parents ada47e30d0c9
children f29fa5b6b748
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
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1 #include "dmlib.h"
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2 #include <errno.h>
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3
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4
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5 int dmVerbosity = 0;
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6 char *dmProgName = NULL,
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7 *dmProgDesc = NULL,
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8 *dmProgVersion = NULL,
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9 *dmProgAuthor = NULL,
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10 *dmProgLicense = NULL;
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11
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12
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13 void dmInitProg(char *name, char *desc, char *version, char *author, char *license)
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14 {
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15 dmProgName = name;
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16 dmProgDesc = desc;
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17 dmProgVersion = version;
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18 dmProgAuthor = author ? author : DM_PROG_AUTHOR;
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19 dmProgLicense = license ? license : DM_PROG_LICENSE;
0
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20 }
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21
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22
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23 void dmPrintBanner(FILE *outFile, const char *name, const char *usage)
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24 {
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25 fprintf(outFile, "\n%s", dmProgName);
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26 if (dmProgVersion != NULL)
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27 fprintf(outFile, " v%s", dmProgVersion);
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28 if (dmProgDesc != NULL)
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29 fprintf(outFile, " (%s)", dmProgDesc);
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30 fprintf(outFile, "\n");
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31
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32 if (dmProgAuthor != NULL)
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33 fprintf(outFile, "%s\n", dmProgAuthor);
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34
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35 if (dmProgLicense != NULL)
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36 fprintf(outFile, "%s\n", dmProgLicense);
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37
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38 fprintf(outFile, "Usage: %s %s\n", name, usage);
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39 }
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40
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41
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42 void dmMsgVA(int level, const char *fmt, va_list ap)
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43 {
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44 if (dmVerbosity >= level)
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45 {
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46 fprintf(stderr, "%s: ", dmProgName);
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47 vfprintf(stderr, fmt, ap);
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48 }
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49 }
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50
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51
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52 void dmPrintVA(int level, const char *fmt, va_list ap)
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53 {
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54 if (dmVerbosity >= level)
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55 {
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56 vfprintf(stderr, fmt, ap);
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57 }
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58 }
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59
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60
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61 void dmMsg(int level, const char *fmt, ...)
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62 {
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63 va_list ap;
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64
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65 va_start(ap, fmt);
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66 dmMsgVA(level, fmt, ap);
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67 va_end(ap);
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68 }
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69
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70
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71 void dmPrint(int level, const char *fmt, ...)
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72 {
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73 va_list ap;
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74
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75 va_start(ap, fmt);
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76 dmPrintVA(level, fmt, ap);
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77 va_end(ap);
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78 }
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79
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80
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81 /* Memory handling routines
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82 */
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83 void *dmMalloc(size_t l)
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84 {
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85 return malloc(l);
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86 }
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87
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88
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89 void *dmMalloc0(size_t l)
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90 {
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91 return calloc(1, l);
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92 }
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93
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94
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95 void *dmCalloc(size_t n, size_t l)
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96 {
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97 return calloc(n, l);
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98 }
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99
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100
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101 void *dmRealloc(void *p, size_t l)
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102 {
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103 return realloc(p, l);
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104 }
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105
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106
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107 void dmFree(void *p)
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108 {
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109 /* Check for NULL pointers for portability due to some libc
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110 * implementations not handling free(NULL) too well.
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111 */
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112 if (p) free(p);
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113 }
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114
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115
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116 BOOL dmGetIntVal(const char *s, unsigned int *i)
0
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117 {
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118 if (s[0] == '$')
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119 {
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120 if (sscanf(&s[1], "%x", i) < 1)
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121 return FALSE;
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122 }
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123 else if (s[0] == '0' && s[1] == 'x')
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124 {
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125 if (sscanf(&s[2], "%x", i) < 1)
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126 return FALSE;
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127 }
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128 else
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129 {
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130 if (sscanf(s, "%u", i) < 1)
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131 return FALSE;
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132 }
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133 return TRUE;
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134 }
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135
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136
955
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137 /*
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138 * Error handling and messages
0
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139 */
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140 #define DM_SYSTEM_ERRORS 100000
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141
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142
0
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143 int dmGetErrno()
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144 {
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145 return DM_SYSTEM_ERRORS + errno;
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146 }
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147
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148
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149 const char *dmErrorStr(const int error)
0
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150 {
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151 if (error >= DM_SYSTEM_ERRORS)
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152 return strerror(error - DM_SYSTEM_ERRORS);
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153
0
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154 switch (error)
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155 {
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156 case DMERR_OK: return "No error";
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157 case DMERR_FOPEN: return "File open error";
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158 case DMERR_FREAD: return "Read error";
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159 case DMERR_FWRITE: return "Write error";
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160 case DMERR_FSEEK: return "Seek error";
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161 case DMERR_NOT_FOUND: return "Resource not found";
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162
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163 case DMERR_INVALID_DATA: return "Invalid data";
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164 case DMERR_MALLOC: return "Memory allocation failure";
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165 case DMERR_ALREADY_INIT: return "Already initialized";
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166 case DMERR_INIT_FAIL: return "Initialization failed";
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167 case DMERR_INVALID_ARGS: return "Invalid arguments";
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168
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
169 case DMERR_NULLPTR: return "NULL pointer";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
170 case DMERR_NOT_SUPPORTED: return "Operation not supported";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
171 case DMERR_OUT_OF_DATA: return "Out of data";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
172 case DMERR_EXTRA_DATA: return "Extra data";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
173 case DMERR_BOUNDS: return "Bounds check failed";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
174
908
03bda6477ad4 Add new error code DMERR_DATA_ERROR.
Matti Hamalainen <ccr@tnsp.org>
parents: 871
diff changeset
175 case DMERR_DATA_ERROR: return "Data decoding/encoding/parsing error";
03bda6477ad4 Add new error code DMERR_DATA_ERROR.
Matti Hamalainen <ccr@tnsp.org>
parents: 871
diff changeset
176
0
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
177 case DMERR_NOTPACK: return "File is not a PACK";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
178 case DMERR_VERSION: return "Unsupported PACK version";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
179 case DMERR_INVALID: return "Invalid data, corrupted file";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
180 case DMERR_COMPRESSION: return "Error in compression";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
181
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
182 default: return "Unknown error";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
183 }
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
184 }
294
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
185
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
186
958
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
187 int dmErrorVA(const int error, const char *fmt, va_list ap)
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
188 {
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
189 if (dmProgName != NULL)
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
190 fprintf(stderr, "%s: ", dmProgName);
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
191
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
192 vfprintf(stderr, fmt, ap);
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
193 return error;
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
194 }
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
195
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
196
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
197 int dmError(const int error, const char *fmt, ...)
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
198 {
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
199 int ret;
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
200 va_list ap;
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
201
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
202 va_start(ap, fmt);
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
203 ret = dmErrorVA(error, fmt, ap);
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
204 va_end(ap);
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Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
205 return ret;
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
206 }
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
207
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
208
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
209 void dmErrorMsg(const char *fmt, ...)
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
210 {
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
211 va_list ap;
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
212
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
213 va_start(ap, fmt);
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
214 dmErrorVA(DMERR_INTERNAL, fmt, ap);
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
215 va_end(ap);
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
216 }
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
217
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
218
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
219 /*
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
220 * Mutex debugging
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
parents: 957
diff changeset
221 */
294
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
222 #ifdef DM_MUTEX_DEBUG
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
223
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
224 static DMMutexLock * dmGetMutexThreadIDLock(DMMutex *mutex)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
225 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
226 Uint32 id = SDL_ThreadID();
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
227 int i;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
228 for (i = 0; i < 8; i++)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
229 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
230 DMMutexLock *lock = &(mutex->locks[i]);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
231 if (lock->used && lock->id == id)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
232 return lock;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
233 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
234 return NULL;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
235 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
236
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
237 static void dmPrintMutexLocks(DMMutex *mutex, const char *state, const char *file, const int line)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
238 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
239 int i;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
240
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
241 fprintf(stderr,
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
242 "----------------------\n"
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
243 "%s --> %p @ %s:%d\n"
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
244 "Current thread: %d\n"
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
245 "Mutex : %p (created @ %s:%d)\n",
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
246 state, mutex, file, line,
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
247 SDL_ThreadID(), mutex, mutex->cr_file, mutex->cr_line);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
248
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
249 for (i = 0; i < 8; i++)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
250 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
251 DMMutexLock *lock = &(mutex->locks[i]);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
252 if (lock->used)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
253 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
254 fprintf(stderr,
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
255 "Lock #%d: thread=%d, state=%d\n",
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
256 i, lock->id, lock->state);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
257 }
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 1063
diff changeset
258 }
294
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
259 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
260
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
261 int dmDOMutexLock(DMMutex *mutex, const char *file, const int line)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
262 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
263 if (mutex != NULL)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
264 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
265 dmPrintMutexLocks(mutex, "LOCKING", file, line);
1102
e06abfde6c39 Cosmetics pass: Remove excess whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 1063
diff changeset
266
294
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
267 DMMutexLock *lock = dmGetMutexThreadIDLock(mutex);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
268 if (lock != NULL)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
269 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
270 int res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
271 if (lock->state == 0)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
272 res = SDL_mutexP(mutex->m);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
273 else
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
274 res = 1;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
275 lock->state++;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
276 fprintf(stderr, "LOCKING %p @ thread=%d done [1].\n", mutex, SDL_ThreadID());
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
277 return res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
278 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
279 else
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
280 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
281 int i;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
282 for (i = 0; i < 8; i++)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
283 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
284 DMMutexLock *lock = &(mutex->locks[i]);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
285 if (!lock->used)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
286 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
287 int res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
288 lock->used = TRUE;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
289 lock->id = SDL_ThreadID();
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
290 lock->state++;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
291 res = SDL_mutexP(mutex->m);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
292 fprintf(stderr, "LOCKING %p @ thread=%d done [2].\n", mutex, SDL_ThreadID());
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
293 return res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
294 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
295 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
296 return -2;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
297 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
298 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
299 return -1;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
300 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
301
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
302
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
303 int dmDOMutexUnlock(DMMutex *mutex, const char *file, const int line)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
304 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
305 if (mutex != NULL)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
306 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
307 dmPrintMutexLocks(mutex, "UN-LOCKING", file, line);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
308
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
309 DMMutexLock *lock = dmGetMutexThreadIDLock(mutex);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
310 if (lock != NULL)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
311 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
312 int res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
313 lock->state--;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
314 if (lock->state == 0)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
315 res = SDL_mutexV(mutex->m);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
316 else
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
317 res = lock->state;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
318 return res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
319 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
320 else
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
321 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
322 return -2;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
323 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
324 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
325 return -1;
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326 }
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327
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328
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329 DMMutex * dmDOCreateMutex(const char *file, const int line)
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330 {
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331 DMMutex *mutex = dmMalloc0(sizeof(DMMutex));
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332 if (mutex == NULL)
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333 return NULL;
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334 mutex->cr_file = dm_strdup(file);
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335 mutex->cr_line = line;
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336 mutex->m = SDL_CreateMutex();
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337 return mutex;
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338 }
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339
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340
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341 void dmDestroyMutex(DMMutex *mutex)
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342 {
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343 if (mutex != NULL)
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344 {
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345 SDL_DestroyMutex(mutex->m);
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346 dmFree(mutex);
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347 }
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348 }
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349
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350 #endif