Mercurial > repos > dawe > srf2fastq
annotate srf2fastq/io_lib-1.12.2/io_lib/strings.c @ 0:d901c9f41a6a default tip
Migrated tool version 1.0.1 from old tool shed archive to new tool shed repository
author | dawe |
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date | Tue, 07 Jun 2011 17:48:05 -0400 |
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0
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1 /* |
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2 * Copyright (c) Medical Research Council 1994. All rights reserved. |
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3 * |
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4 * Permission to use, copy, modify and distribute this software and its |
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5 * documentation for any purpose is hereby granted without fee, provided that |
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6 * this copyright and notice appears in all copies. |
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7 * |
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8 * This file was written by James Bonfield, Simon Dear, Rodger Staden, |
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9 * as part of the Staden Package at the MRC Laboratory of Molecular |
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10 * Biology, Hills Road, Cambridge, CB2 2QH, United Kingdom. |
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11 * |
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12 * MRC disclaims all warranties with regard to this software. |
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13 */ |
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14 |
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15 #include "io_lib/misc.h" |
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16 #include <stdlib.h> |
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17 #include <ctype.h> |
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18 #include <string.h> |
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19 #include <sys/types.h> |
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20 |
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21 int fstrlen(char *f, int max_f) |
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22 { |
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23 for (; max_f > 0 && (isspace(f[max_f-1]) || f[max_f-1]=='\0'); max_f--); |
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24 return max_f; |
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25 } |
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26 |
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27 |
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28 |
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29 |
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30 |
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31 void f2cstr(char *f, int max_f, char *c, int max_c) |
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32 { |
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33 int i; |
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34 |
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35 i = min(fstrlen(f,max_f),max_c); |
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36 strncpy(c,f,i); |
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37 c[i]='\0'; |
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38 } |
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39 |
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40 |
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41 void c2fstr(char *c, int max_c, char *f, int max_f) |
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42 { |
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43 int i; |
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44 i = min((int)strlen(c),max_f); |
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45 strncpy(f,c,i); |
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46 for( ; i<max_f; i++) f[i]=' '; |
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47 |
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48 } |
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49 |
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50 |
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51 |
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52 |
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53 char *mystrtok(char *s, char *ct) |
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54 /* |
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55 ** When strtok isn't good enough |
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56 */ |
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57 { |
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58 char *this; |
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59 static char *look; |
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60 static int last; |
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61 |
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62 if (s == NULL) { |
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63 if (last) return NULL; |
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64 } else { |
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65 look = s; |
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66 last = 0; |
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67 } |
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68 this = look; |
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69 |
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70 for ( ; *look && strchr(ct,*look)==NULL; look++ ) ; |
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71 last = (! *look); |
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72 *look++ = '\0'; |
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73 |
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74 return this; |
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75 } |
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76 |
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77 |
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78 void str_tolower (char *s) |
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79 /* |
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80 ** Convert string to lower case |
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81 */ |
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82 { |
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83 if (!s) return; |
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84 for ( ; *s ; s++ ) |
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85 if (isupper(*s)) |
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86 *s = tolower(*s); |
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87 } |
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88 |
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89 void str_toupper (char *s) |
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90 /* |
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91 ** Convert string to upper case |
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92 */ |
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93 { |
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94 if (!s) return; |
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95 for ( ; *s ; s++ ) |
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96 if (islower(*s)) |
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97 *s = toupper(*s); |
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98 } |
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99 |
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100 #ifdef NOSTRSTR |
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101 /* |
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102 ** My routines for nice sun ones. |
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103 */ |
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104 char *strstr(char *cs, char *ct) |
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105 /* |
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106 ** ANSI C has the function strstr(). |
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107 ** |
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108 ** strstr() returns a pointer to the first occurrence of the |
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109 ** pattern string s2 in s1. For example, if s1 is "string |
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110 ** thing" and s2 is "ing", strstr() returns "ing thing". If s2 |
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111 ** does not occur in s1, strstr() returns NULL. |
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112 ** |
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113 ** It's not always implemented. Here's my cludge: |
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114 */ |
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115 { |
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116 int i; |
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117 int len_ct; |
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118 int end; |
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119 len_ct = strlen(ct); |
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120 end = strlen(cs) - len_ct; |
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121 for (i=0;i<=end;i++) |
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122 if (strncmp(&cs[i],ct,len_ct)==0) |
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123 return &cs[i]; |
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124 |
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125 return NULL; |
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126 } |
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127 #endif |
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128 |
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129 #ifdef NOSTRDUP |
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130 char *strdup(const char *str) |
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131 /* |
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132 ** SunOS has a nice strdup() function. |
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133 ** |
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134 ** strdup() returns a pointer to a new string which is a dupli- |
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135 ** cate of the string pointed to by s1. The space for the new |
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136 ** string is obtained using malloc(3V). If the new string can- |
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137 ** not be created, a NULL pointer is returned. |
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138 ** |
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139 ** Other ANSI C libraries don't have this. Here is my kludge: |
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140 */ |
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141 { |
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142 char *newstr; |
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143 int i = strlen(str); |
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144 |
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145 if ((newstr = (char *)malloc((unsigned int)(i+1))) == NULL) |
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146 return NULL; |
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147 |
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148 for (; i>=0; i--) |
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149 newstr[i] = str[i]; |
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150 |
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151 return newstr; |
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152 } |
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153 #endif |
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154 |
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155 #ifdef NOSTRCASECMP |
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156 int strcasecmp(const char *s1, const char *s2) { |
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157 while (tolower(*s1) == tolower(*s2)) { |
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158 /* If at the end of the string, then they're equal */ |
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159 if (0 == *s1) |
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160 return 0; |
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161 s1++; |
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162 s2++; |
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163 } |
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164 |
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165 /* One ended before the other, so return 1 or -1 */ |
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166 return (*(unsigned char *)s1) < (*(unsigned char *)s2) ? -1 : 1; |
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167 } |
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168 #endif |