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annotate src/xs_support.c @ 452:aec9f4beb401

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New file reading functions.
author Matti Hamalainen <ccr@tnsp.org>
date Wed, 24 Jan 2007 21:57:04 +0000
parents 33c3bb80d2a5
children 00a32ab5887d
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1 /*
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2 XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS)
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3
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4 Miscellaneous support functions
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5
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6 Programmed and designed by Matti 'ccr' Hamalainen <ccr@tnsp.org>
422
d2e6682d3ef8 Copyright year update
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7 (C) Copyright 1999-2007 Tecnic Software productions (TNSP)
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8
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9 This program is free software; you can redistribute it and/or modify
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10 it under the terms of the GNU General Public License as published by
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11 the Free Software Foundation; either version 2 of the License, or
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12 (at your option) any later version.
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13
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14 This program is distributed in the hope that it will be useful,
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15 but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 GNU General Public License for more details.
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18
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19 You should have received a copy of the GNU General Public License along
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20 with this program; if not, write to the Free Software Foundation, Inc.,
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21 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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22 */
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23 #include "xmms-sid.h"
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24 #include "xs_support.h"
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25 #include <ctype.h>
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28 /* File handling
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29 */
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30 t_xs_file *xs_fopen(gchar *path, const gchar *mode)
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31 {
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32 return fopen(path, mode);
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33 }
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34
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35
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36 gint xs_fclose(t_xs_file *f)
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37 {
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38 return fclose(f);
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39 }
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40
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41
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42 gint xs_fgetc(t_xs_file *f)
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43 {
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44 return fgetc(f);
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45 }
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46
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47
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48 guint16 xs_fread_be16(t_xs_file *f)
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49 {
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50 return (((guint16) fgetc(f)) << 8) | ((guint16) fgetc(f));
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51 }
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53
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54 guint32 xs_fread_be32(t_xs_file *f)
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55 {
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56 return (((guint32) fgetc(f)) << 24) |
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57 (((guint32) fgetc(f)) << 16) |
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58 (((guint32) fgetc(f)) << 8) |
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59 ((guint32) fgetc(f));
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60 }
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62
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63 size_t xs_fread(void *p, size_t s, size_t n, t_xs_file *f)
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64 {
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65 return fread(p, s, n, f);
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66 }
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67
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68
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69 gint xs_fgets(gchar *s, gint l, t_xs_file *f)
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70 {
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71 return fgets(s, l, f);
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72 }
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74
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75 /* Copy a string
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76 */
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77 gchar *xs_strncpy(gchar *pDest, gchar *pSource, size_t n)
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78 {
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79 gchar *s, *d;
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80 size_t i;
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81
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82 /* Check the string pointers */
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83 if (!pSource || !pDest)
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84 return pDest;
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85
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86 /* Copy to the destination */
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87 i = n;
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88 s = pSource;
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89 d = pDest;
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90 while (*s && (i > 0)) {
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91 *(d++) = *(s++);
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92 i--;
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93 }
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94
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95 /* Fill rest of space with zeros */
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96 while (i > 0) {
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97 *(d++) = 0;
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98 i--;
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99 }
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101 /* Ensure that last is always zero */
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102 pDest[n - 1] = 0;
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103
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104 return pDest;
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105 }
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106
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107
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108 /* Copy a given string over in *ppResult.
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109 */
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110 gint xs_pstrcpy(gchar **ppResult, const gchar *pStr)
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111 {
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112 /* Check the string pointers */
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113 if (!ppResult || !pStr)
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114 return -1;
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115
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116 /* Allocate memory for destination */
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117 if (*ppResult)
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118 g_free(*ppResult);
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119 *ppResult = (gchar *) g_malloc(strlen(pStr) + 1);
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120 if (!*ppResult)
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121 return -2;
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122
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123 /* Copy to the destination */
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124 strcpy(*ppResult, pStr);
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125
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126 return 0;
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127 }
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128
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129
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130 /* Concatenates a given string into string pointed by *ppResult.
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131 */
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132 gint xs_pstrcat(gchar **ppResult, const gchar *pStr)
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133 {
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134 /* Check the string pointers */
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135 if (!ppResult || !pStr)
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136 return -1;
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137
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138 if (*ppResult != NULL) {
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139 *ppResult = (gchar *) g_realloc(*ppResult, strlen(*ppResult) + strlen(pStr) + 1);
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140 if (*ppResult == NULL)
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141 return -1;
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142 strcat(*ppResult, pStr);
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143 } else {
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144 *ppResult = (gchar *) g_malloc(strlen(pStr) + 1);
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145 if (*ppResult == NULL)
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146 return -1;
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147 strcpy(*ppResult, pStr);
206
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148 }
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149
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150 return 0;
4
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151 }
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152
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153
239
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154 /* Concatenate a given string up to given dest size or \n.
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155 * If size max is reached, change the end to "..."
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156 */
398
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157 void xs_pnstrcat(gchar *pDest, size_t iSize, gchar *pStr)
239
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158 {
359
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159 size_t i, n;
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160 gchar *s, *d;
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161
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162 d = pDest;
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163 i = 0;
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164 while (*d && (i < iSize)) {
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165 i++;
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166 d++;
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167 }
239
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168
359
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169 s = pStr;
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170 while (*s && (*s != '\n') && (i < iSize)) {
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171 *d = *s;
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172 d++;
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173 s++;
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174 i++;
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175 }
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176
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177 *d = 0;
239
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178
359
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179 if (i >= iSize) {
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180 i--;
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181 d--;
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182 n = 3;
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183 while ((i > 0) && (n > 0)) {
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184 *d = '.';
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185 d--;
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186 i--;
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187 n--;
239
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188 }
359
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189 }
239
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190 }
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191
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192
206
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193 /* Locate character in string
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194 */
398
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195 gchar *xs_strrchr(gchar *pcStr, gchar ch)
56
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196 {
359
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197 gchar *lastPos = NULL;
56
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198
359
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199 while (*pcStr) {
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200 if (*pcStr == ch)
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201 lastPos = pcStr;
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202 pcStr++;
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203 }
56
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204
359
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205 return lastPos;
56
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206 }
6a3ce7260ae1 Changed some standard functions to glib ones
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207
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208
398
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209 void xs_findnext(gchar *pcStr, guint *piPos)
4
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210 {
359
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211 while (pcStr[*piPos] && isspace(pcStr[*piPos]))
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212 (*piPos)++;
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213 }
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214
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215
398
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216 void xs_findeol(gchar *pcStr, guint *piPos)
4
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217 {
359
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218 while (pcStr[*piPos] && (pcStr[*piPos] != '\n') && (pcStr[*piPos] != '\r'))
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219 (*piPos)++;
4
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220 }
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221
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222
398
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diff changeset
223 void xs_findnum(gchar *pcStr, guint *piPos)
109
578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown.
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diff changeset
224 {
359
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diff changeset
225 while (pcStr[*piPos] && isdigit(pcStr[*piPos]))
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226 (*piPos)++;
109
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diff changeset
227 }
214
575686094eb1 Portability fixes
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diff changeset
228
575686094eb1 Portability fixes
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diff changeset
229
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diff changeset
230 #ifndef HAVE_MEMSET
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diff changeset
231 void *xs_memset(void *p, int c, size_t n)
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diff changeset
232 {
428
33c3bb80d2a5 Urgh, xs_memset() was buggy :P
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diff changeset
233 guint8 *dp;
214
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diff changeset
234
428
33c3bb80d2a5 Urgh, xs_memset() was buggy :P
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diff changeset
235 dp = (guint8 *) p;
33c3bb80d2a5 Urgh, xs_memset() was buggy :P
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diff changeset
236 while (n--)
33c3bb80d2a5 Urgh, xs_memset() was buggy :P
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diff changeset
237 *dp = c;
359
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diff changeset
238
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diff changeset
239 return p;
214
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diff changeset
240 }
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diff changeset
241 #endif