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annotate src/dmlib.c @ 958:985225a93aeb

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Add error code parameter to dmError() and dmErrorVA().
author Matti Hamalainen <ccr@tnsp.org>
date Fri, 27 Feb 2015 03:58:25 +0200
parents b66653c9acb3
children ada47e30d0c9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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;
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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,
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26 "\n%s v%s (%s)\n"
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27 "%s\n"
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28 "%s\n"
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29 "Usage: %s %s\n",
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30 dmProgName, dmProgVersion, dmProgDesc,
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31 dmProgAuthor, dmProgLicense, name, usage);
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32 }
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33
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34
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35 void dmMsgVA(int level, const char *fmt, va_list ap)
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36 {
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37 if (dmVerbosity >= level)
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38 {
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39 fprintf(stderr, "%s: ", dmProgName);
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40 vfprintf(stderr, fmt, ap);
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41 }
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42 }
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43
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44
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45 void dmPrintVA(int level, const char *fmt, va_list ap)
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46 {
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47 if (dmVerbosity >= level)
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48 {
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49 vfprintf(stderr, fmt, ap);
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50 }
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51 }
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52
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53
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54 void dmMsg(int level, const char *fmt, ...)
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55 {
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56 va_list ap;
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57
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58 va_start(ap, fmt);
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59 dmMsgVA(level, fmt, ap);
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60 va_end(ap);
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61 }
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62
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63
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64 void dmPrint(int level, const char *fmt, ...)
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65 {
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66 va_list ap;
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67
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68 va_start(ap, fmt);
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69 dmPrintVA(level, fmt, ap);
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70 va_end(ap);
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71 }
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72
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73
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74 /* Memory handling routines
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75 */
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76 void *dmMalloc(size_t l)
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77 {
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78 return malloc(l);
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79 }
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80
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81
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82 void *dmMalloc0(size_t l)
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83 {
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84 return calloc(1, l);
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85 }
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86
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87
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88 void *dmCalloc(size_t n, size_t l)
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89 {
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90 return calloc(n, l);
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91 }
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92
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93
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94 void *dmRealloc(void *p, size_t l)
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95 {
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96 return realloc(p, l);
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97 }
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98
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99
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100 void dmFree(void *p)
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101 {
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102 /* Check for NULL pointers for portability due to some libc
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103 * implementations not handling free(NULL) too well.
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104 */
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105 if (p) free(p);
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106 }
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107
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108
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109 BOOL dmGetIntVal(const char *s, unsigned int *i)
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110 {
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111 if (s[0] == '$')
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112 {
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113 if (sscanf(&s[1], "%x", i) < 1)
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114 return FALSE;
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115 }
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116 else if (s[0] == '0' && s[1] == 'x')
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117 {
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118 if (sscanf(&s[2], "%x", i) < 1)
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119 return FALSE;
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120 }
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121 else
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122 {
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123 if (sscanf(s, "%u", i) < 1)
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124 return FALSE;
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125 }
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126 return TRUE;
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127 }
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128
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129
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130 /*
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131 * Error handling and messages
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132 */
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133 #define DM_SYSTEM_ERRORS 100000
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134
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135
0
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136 int dmGetErrno()
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137 {
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138 return DM_SYSTEM_ERRORS + errno;
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139 }
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140
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141
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142 const char *dmErrorStr(const int error)
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143 {
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144 if (error >= DM_SYSTEM_ERRORS)
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145 return strerror(error - DM_SYSTEM_ERRORS);
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146
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147 switch (error)
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148 {
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149 case DMERR_OK: return "No error";
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150 case DMERR_FOPEN: return "File open error";
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151 case DMERR_FREAD: return "Read error";
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152 case DMERR_FWRITE: return "Write error";
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153 case DMERR_FSEEK: return "Seek error";
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154 case DMERR_NOT_FOUND: return "Resource not found";
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155
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156 case DMERR_INVALID_DATA: return "Invalid data";
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157 case DMERR_MALLOC: return "Memory allocation failure";
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158 case DMERR_ALREADY_INIT: return "Already initialized";
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159 case DMERR_INIT_FAIL: return "Initialization failed";
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160 case DMERR_INVALID_ARGS: return "Invalid arguments";
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161
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162 case DMERR_NULLPTR: return "NULL pointer";
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163 case DMERR_NOT_SUPPORTED: return "Operation not supported";
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164 case DMERR_OUT_OF_DATA: return "Out of data";
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165 case DMERR_EXTRA_DATA: return "Extra data";
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166 case DMERR_BOUNDS: return "Bounds check failed";
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167
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168 case DMERR_DATA_ERROR: return "Data decoding/encoding/parsing error";
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169
0
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parents:
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170 case DMERR_NOTPACK: return "File is not a PACK";
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parents:
diff changeset
171 case DMERR_VERSION: return "Unsupported PACK version";
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parents:
diff changeset
172 case DMERR_INVALID: return "Invalid data, corrupted file";
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parents:
diff changeset
173 case DMERR_COMPRESSION: return "Error in compression";
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parents:
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174
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parents:
diff changeset
175 default: return "Unknown error";
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parents:
diff changeset
176 }
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
177 }
294
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178
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179
958
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180 int dmErrorVA(const int error, const char *fmt, va_list ap)
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parents: 957
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181 {
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182 if (dmProgName != NULL)
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parents: 957
diff changeset
183 fprintf(stderr, "%s: ", dmProgName);
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parents: 957
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184
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
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diff changeset
185 vfprintf(stderr, fmt, ap);
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186 return error;
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187 }
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188
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diff changeset
189
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parents: 957
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190 int dmError(const int error, const char *fmt, ...)
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191 {
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diff changeset
192 int ret;
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193 va_list ap;
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194
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195 va_start(ap, fmt);
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diff changeset
196 ret = dmErrorVA(error, fmt, ap);
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197 va_end(ap);
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198 return ret;
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parents: 957
diff changeset
199 }
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Matti Hamalainen <ccr@tnsp.org>
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200
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201
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Matti Hamalainen <ccr@tnsp.org>
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diff changeset
202 void dmErrorMsg(const char *fmt, ...)
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Matti Hamalainen <ccr@tnsp.org>
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diff changeset
203 {
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204 va_list ap;
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205
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
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206 va_start(ap, fmt);
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Matti Hamalainen <ccr@tnsp.org>
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diff changeset
207 dmErrorVA(DMERR_INTERNAL, fmt, ap);
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parents: 957
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208 va_end(ap);
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parents: 957
diff changeset
209 }
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parents: 957
diff changeset
210
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
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211
985225a93aeb Add error code parameter to dmError() and dmErrorVA().
Matti Hamalainen <ccr@tnsp.org>
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diff changeset
212 /*
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Matti Hamalainen <ccr@tnsp.org>
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213 * Mutex debugging
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diff changeset
214 */
294
dd9809a93425 Improve mutex debugging facilities.
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diff changeset
215 #ifdef DM_MUTEX_DEBUG
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216
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diff changeset
217 static DMMutexLock * dmGetMutexThreadIDLock(DMMutex *mutex)
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218 {
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parents: 0
diff changeset
219 Uint32 id = SDL_ThreadID();
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parents: 0
diff changeset
220 int i;
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parents: 0
diff changeset
221 for (i = 0; i < 8; i++)
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parents: 0
diff changeset
222 {
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parents: 0
diff changeset
223 DMMutexLock *lock = &(mutex->locks[i]);
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parents: 0
diff changeset
224 if (lock->used && lock->id == id)
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parents: 0
diff changeset
225 return lock;
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parents: 0
diff changeset
226 }
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parents: 0
diff changeset
227 return NULL;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
228 }
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parents: 0
diff changeset
229
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parents: 0
diff changeset
230 static void dmPrintMutexLocks(DMMutex *mutex, const char *state, const char *file, const int line)
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parents: 0
diff changeset
231 {
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diff changeset
232 int i;
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parents: 0
diff changeset
233
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parents: 0
diff changeset
234 fprintf(stderr,
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
235 "----------------------\n"
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Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
236 "%s --> %p @ %s:%d\n"
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Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
237 "Current thread: %d\n"
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Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
238 "Mutex : %p (created @ %s:%d)\n",
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Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
239 state, mutex, file, line,
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Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
240 SDL_ThreadID(), mutex, mutex->cr_file, mutex->cr_line);
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parents: 0
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241
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diff changeset
242 for (i = 0; i < 8; i++)
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parents: 0
diff changeset
243 {
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Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
244 DMMutexLock *lock = &(mutex->locks[i]);
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Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
245 if (lock->used)
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parents: 0
diff changeset
246 {
dd9809a93425 Improve mutex debugging facilities.
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parents: 0
diff changeset
247 fprintf(stderr,
dd9809a93425 Improve mutex debugging facilities.
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parents: 0
diff changeset
248 "Lock #%d: thread=%d, state=%d\n",
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parents: 0
diff changeset
249 i, lock->id, lock->state);
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parents: 0
diff changeset
250 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
251 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
252 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
253
dd9809a93425 Improve mutex debugging facilities.
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parents: 0
diff changeset
254 int dmDOMutexLock(DMMutex *mutex, const char *file, const int line)
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parents: 0
diff changeset
255 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
256 if (mutex != NULL)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
257 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
258 dmPrintMutexLocks(mutex, "LOCKING", file, line);
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 DMMutexLock *lock = dmGetMutexThreadIDLock(mutex);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
261 if (lock != NULL)
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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 int res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
264 if (lock->state == 0)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
265 res = SDL_mutexP(mutex->m);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
266 else
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
267 res = 1;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
268 lock->state++;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
269 fprintf(stderr, "LOCKING %p @ thread=%d done [1].\n", mutex, SDL_ThreadID());
dd9809a93425 Improve mutex debugging facilities.
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parents: 0
diff changeset
270 return res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
271 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
272 else
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
273 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
274 int i;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
275 for (i = 0; i < 8; i++)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
276 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
277 DMMutexLock *lock = &(mutex->locks[i]);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
278 if (!lock->used)
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Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
279 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
280 int res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
281 lock->used = TRUE;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
282 lock->id = SDL_ThreadID();
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
283 lock->state++;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
284 res = SDL_mutexP(mutex->m);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
285 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
286 return res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
287 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
288 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
289 return -2;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
290 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
291 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
292 return -1;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
293 }
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 int dmDOMutexUnlock(DMMutex *mutex, const char *file, const int line)
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 if (mutex != NULL)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
299 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
300 dmPrintMutexLocks(mutex, "UN-LOCKING", file, line);
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 DMMutexLock *lock = dmGetMutexThreadIDLock(mutex);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
303 if (lock != NULL)
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 int res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
306 lock->state--;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
307 if (lock->state == 0)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
308 res = SDL_mutexV(mutex->m);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
309 else
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
310 res = lock->state;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
311 return res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
312 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
313 else
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
314 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
315 return -2;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
316 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
317 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
318 return -1;
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
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 DMMutex * dmDOCreateMutex(const char *file, const int line)
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 DMMutex *mutex = dmMalloc0(sizeof(DMMutex));
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
325 if (mutex == NULL)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
326 return NULL;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
327 mutex->cr_file = dm_strdup(file);
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328 mutex->cr_line = line;
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329 mutex->m = SDL_CreateMutex();
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330 return mutex;
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331 }
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332
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333
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334 void dmDestroyMutex(DMMutex *mutex)
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335 {
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336 if (mutex != NULL)
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337 {
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338 SDL_DestroyMutex(mutex->m);
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339 dmFree(mutex);
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340 }
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341 }
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342
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343 #endif