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annotate src/xs_support.c @ 206:8b896d461fdb

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Trivial fixes and added strncpy replacement.
author Matti Hamalainen <ccr@tnsp.org>
date Wed, 15 Dec 2004 10:22:05 +0000
parents fe684a2ccdc7
children 575686094eb1
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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 Written by Matti "ccr" Hamalainen <ccr@tnsp.org>
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7
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8 This program is free software; you can redistribute it and/or modify
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9 it under the terms of the GNU General Public License as published by
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10 the Free Software Foundation; either version 2 of the License, or
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11 (at your option) any later version.
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12
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13 This program is distributed in the hope that it will be useful,
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with this program; if not, write to the Free Software
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20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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21 */
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22
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23 #include <string.h>
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24 #include "xs_support.h"
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27 /* Copy a string
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28 */
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29 gchar *xs_strncpy(gchar *pDest, gchar *pSource, size_t n)
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30 {
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31 gchar *s, *d;
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32 size_t i;
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34 /* Check the string pointers */
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35 if (!pSource || !pDest) return pDest;
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36
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37 /* Copy to the destination */
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38 i = n; s = pSource; d = pDest;
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39 while (*s && (i > 0)) { *(d++) = *(s++); i--; }
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40
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41 /* Fill rest of space with zeros */
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42 while (i > 0) { *(d++) = 0; i--; }
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43
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44 /* Ensure that last is always zero */
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45 pDest[n - 1] = 0;
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46
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47 return pDest;
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48 }
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50
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51 /* Copy a given string over in *ppResult.
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52 */
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53 gint xs_pstrcpy(gchar **ppResult, const gchar *pStr)
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54 {
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55 /* Check the string pointers */
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56 if (!ppResult || !pStr) return -1;
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57
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58 /* Allocate memory for destination */
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59 if (*ppResult) g_free(*ppResult);
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60 *ppResult = (gchar *) g_malloc(strlen(pStr) + 1);
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61 if (!*ppResult) return -2;
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62
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63 /* Copy to the destination */
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64 strcpy(*ppResult, pStr);
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65
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66 return 0;
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67 }
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70 /* Concatenates a given string into string pointed by *ppResult.
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71 */
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72 gint th_pstrcat(t_char **ppResult, const gchar *pStr)
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73 {
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74 /* Check the string pointers */
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75 if (!ppResult || !pStr) return -1;
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76
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77 if (*ppResult != NULL)
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78 {
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79 *ppResult = g_realloc(*ppResult, strlen(*ppResult) + strlen(pStr) + 1);
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80 if (*ppResult == NULL) return -1;
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81
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82 strcat(*ppResult, pStr);
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83 } else
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84 {
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85 *ppResult = g_malloc(strlen(pStr) + 1);
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86 if (*ppResult == NULL) return -1;
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87
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88 strcpy(*ppResult, pStr);
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89 }
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90
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91 return 0;
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92 }
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93
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94
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95 /* Locate character in string
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96 */
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97 gchar *xs_strrchr(gchar *pcStr, gchar ch)
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98 {
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99 gchar *lastPos = NULL;
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100
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101 while (*pcStr)
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102 {
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103 if (*pcStr == ch) lastPos = pcStr;
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104 pcStr++;
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105 }
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106
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107 return lastPos;
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108 }
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109
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110
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111 inline void xs_findnext(gchar *pcStr, guint *piPos)
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112 {
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113 while (pcStr[*piPos] && isspace(pcStr[*piPos])) (*piPos)++;
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114 }
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115
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116
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117 inline void xs_findeol(gchar *pcStr, guint *piPos)
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118 {
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119 while (pcStr[*piPos] && (pcStr[*piPos] != '\n') && (pcStr[*piPos] != '\r')) (*piPos)++;
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120 }
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121
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122
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123 inline void xs_findnum(gchar *pcStr, guint *piPos)
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124 {
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125 while (pcStr[*piPos] && isdigit(pcStr[*piPos])) (*piPos)++;
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126 }