Mercurial > flash_v2

annotate packages/redboot/current/src/misc_funs.c @ 115:6ed91473a1cd ecos-sw-2000-08-21

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Merge from eCos master repository on 2000-08-21-22:40:54-BST
author jlarmour
date Fri, 25 Aug 2000 17:32:38 +0000
parents
children eb9fd8c04db3
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115
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1 //==========================================================================
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2 //
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3 // misc_funs.c
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4 //
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5 // Miscellaneous [library] functions for RedBoot
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //==========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): gthomas
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35 // Contributors: gthomas
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36 // Date: 2000-07-14
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37 // Purpose:
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38 // Description:
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39 //
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40 // This code is part of RedBoot (tm).
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41 //
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42 //####DESCRIPTIONEND####
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43 //
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44 //==========================================================================
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45
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46 #include <redboot.h>
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47
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48 int
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49 strlen(const char *s)
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50 {
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51 int len = 0;
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52 while (*s++) len++;
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53 return len;
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54 }
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55
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56 int
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57 strcmp(const char *s1, const char *s2)
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58 {
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59 char c1, c2;
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60
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61 while ((c1 = *s1++) == (c2 = *s2++))
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62 if (c1 == 0)
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63 return (0);
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64 return ((unsigned char)c1 - (unsigned char)c2);
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65 }
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66
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67 void
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68 strcpy(char *s1, const char *s2)
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69 {
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70 char c;
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71
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72 while ((c = *s2++) != '\0')
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73 *s1++ = c;
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74 *s1 = '\0';
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75 }
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76
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77 int
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78 strcmpci(const char *s1, const char *s2)
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79 {
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80 char c1, c2;
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81 while ((c1 = tolower(*s1++)) == (c2 = tolower(*s2++)))
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82 if (c1 == 0)
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83 return (0);
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84 return ((unsigned char)c1 - (unsigned char)c2);
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85 }
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86
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87 int
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88 strncmp(const char *s1, const char *s2, int len)
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89 {
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90 char c1, c2;
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91
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92 if (len == 0)
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93 return 0;
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94 do {
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95 if ((c1 = *s1++) != (c2 = *s2++))
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96 return ((unsigned char)c1 - (unsigned char)c2);
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97 if (c1 == 0)
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98 break;
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99 } while (--len != 0);
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100 return 0;
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101 }
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102
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103 int
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104 strncmpci(const char *s1, const char *s2, int len)
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105 {
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106 char c1, c2;
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107
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108 if (len == 0)
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109 return 0;
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110 do {
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111 if ((c1 = tolower(*s1++)) != (c2 = tolower(*s2++)))
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112 return ((unsigned char)c1 - (unsigned char)c2);
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113 if (c1 == 0)
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114 break;
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115 } while (--len != 0);
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116 return 0;
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117 }
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118
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119 void
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120 memmove(unsigned char *dst, unsigned char *src, int len)
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121 {
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122 while (len-- > 0) *dst++ = *src++;
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123 }
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124
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125 int
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126 memcmp(const unsigned char *dst, const unsigned char *src, int len)
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127 {
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128 while (len-- > 0) {
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129 if (*dst++ != *src++) {
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130 return (*--dst - *--src);
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131 }
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132 }
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133 return 0;
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134 }
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135
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136 void
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137 memset(unsigned char *dst, unsigned char val, int len)
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138 {
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139 while (--len >= 0) {
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140 *dst++ = val;
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141 }
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142 }