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annotate packages/redboot/current/src/misc_funs.c @ 151:25e238959bae

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Merge from eCos master repository on 2001-02-12-23:44:24-GMT
author jlarmour
date Tue, 13 Feb 2001 01:23:16 +0000
parents 6b5f480c6929
children b939e9cada46
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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 if (s)
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53 while (*s++) len++;
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54 return len;
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55 }
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56
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57 int
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58 strcmp(const char *s1, const char *s2)
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59 {
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60 char c1, c2;
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61
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62 while ((c1 = *s1++) == (c2 = *s2++))
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63 if (c1 == 0)
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64 return (0);
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65 return ((unsigned char)c1 - (unsigned char)c2);
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66 }
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67
130
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68 char *
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69 strcpy(char *s1, const char *s2)
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70 {
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71 char c;
130
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72 char *_s1 = s1;
115
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73
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74 while ((c = *s2++) != '\0')
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75 *s1++ = c;
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76 *s1 = '\0';
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77 return _s1;
115
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78 }
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79
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80 int
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81 strcmpci(const char *s1, const char *s2)
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82 {
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83 char c1, c2;
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84 while ((c1 = tolower(*s1++)) == (c2 = tolower(*s2++)))
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85 if (c1 == 0)
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86 return (0);
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87 return ((unsigned char)c1 - (unsigned char)c2);
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88 }
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89
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90 int
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91 strncmp(const char *s1, const char *s2, int len)
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92 {
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93 char c1, c2;
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94
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95 if (len == 0)
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96 return 0;
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97 do {
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98 if ((c1 = *s1++) != (c2 = *s2++))
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99 return ((unsigned char)c1 - (unsigned char)c2);
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100 if (c1 == 0)
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101 break;
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102 } while (--len != 0);
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103 return 0;
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104 }
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105
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106 int
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107 strncmpci(const char *s1, const char *s2, int len)
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108 {
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109 char c1, c2;
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110
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111 if (len == 0)
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112 return 0;
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113 do {
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114 if ((c1 = tolower(*s1++)) != (c2 = tolower(*s2++)))
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115 return ((unsigned char)c1 - (unsigned char)c2);
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116 if (c1 == 0)
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117 break;
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118 } while (--len != 0);
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119 return 0;
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120 }
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121
130
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122 int
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123 memcmp(const void *_dst, const void *_src, size_t len)
115
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124 {
130
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125 unsigned char *dst = (unsigned char *)_dst;
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126 unsigned char *src = (unsigned char *)_src;
115
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127 while (len-- > 0) {
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128 if (*dst++ != *src++) {
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129 return (*--dst - *--src);
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130 }
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131 }
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132 return 0;
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133 }