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annotate src/util.c @ 197:24d4cd032da5 noffle

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[svn] * AUTHORS,INSTALL,NEWS,README,TODO,docs/NOTES,src/client.c,src/protocol.c, src/protocol.h,src/server.c: Merge with latest 1.0 branch. I do not intend to do any further merges from the 1.0 branch; future changes to 1.0 should be carried over by hand if necessary. * src/configfile.c,src/content.c,src/control.c,src/database.c, src/dynamicstring.c,src/fetch.c,src/filter.c,src/group.c, src/itemlist.c,src/lock.c,src/outgoing.c,src/over.c,src/post.c, src/pseudo.c,src/request.c,src/util.c: Minor includes rearrangement.
author bears
date Wed, 31 Oct 2001 11:44:53 +0000
parents 7d1f26e7c728
children 027608dbd16b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
43
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1 /*
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2 util.c
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3
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4 $Id: util.c 316 2001-10-31 11:44:53Z bears $
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5 */
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6
45
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7 #if HAVE_CONFIG_H
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8 #include <config.h>
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9 #endif
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10
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11 #if TIME_WITH_SYS_TIME
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12 #include <sys/time.h>
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13 #include <time.h>
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14 #else
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15 #if HAVE_SYS_TIME_H
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16 #include <sys/time.h>
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17 #else
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18 #include <time.h>
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19 #endif
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20 #endif
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21
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22 #include <errno.h>
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23 #include <ctype.h>
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24 #include <sys/types.h>
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25 #include <sys/stat.h>
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26 #include <fcntl.h>
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27 #include <stdlib.h>
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28 #include <unistd.h>
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29 #include "configfile.h"
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30 #include "log.h"
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31 #include "portable.h"
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32 #include "util.h"
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33 #include "wildmat.h"
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34
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35 #if defined(UTIL_TEST)
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36 #define Log_err printf
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37 #endif
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38
43
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39 static const char *
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40 nextWhiteSpace( const char *p )
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41 {
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42 while ( *p && ! isspace( *p ) )
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43 ++p;
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44 return p;
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45 }
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46
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47 static const char *
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48 nextNonWhiteSpace( const char *p )
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49 {
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50 while ( *p && isspace( *p ) )
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51 ++p;
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52 return p;
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53 }
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54
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55 const char *
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56 Utl_restOfLn( const char *line, unsigned int token )
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57 {
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58 unsigned int i;
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59 const char *p;
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60
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61 p = line;
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62 for ( i = 0; i < token; ++i )
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63 {
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64 p = nextNonWhiteSpace( p );
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65 p = nextWhiteSpace( p );
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66 }
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67 p = nextNonWhiteSpace( p );
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68 return p;
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69 }
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70
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71 const char *
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72 Utl_getLn( Str result, const char *pos )
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73 {
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74 int len = 0;
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75 const char *p = pos;
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76
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77 if ( ! p )
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78 return NULL;
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79 while ( *p != '\n' )
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80 {
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81 if ( *p == '\0' )
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82 {
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83 if ( len > 0 )
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84 Log_err( "Line not terminated by newline: '%s'", pos );
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85 return NULL;
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86 }
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87 *(result++) = *(p++);
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88 ++len;
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89 if ( len >= MAXCHAR - 1 )
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90 {
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91 *result = '\0';
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92 Log_err( "Utl_getLn: line too long: %s", result );
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93 return ++p;
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94 }
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95 }
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96 *result = '\0';
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97 return ++p;
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98
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99 }
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100
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101 const char *
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102 Utl_ungetLn( const char *str, const char *p )
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103 {
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104 if ( str == p )
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105 return FALSE;
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106 --p;
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107 if ( *p != '\n' )
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108 {
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109 Log_err( "Utl_ungetLn: not at beginning of line" );
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110 return NULL;
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111 }
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112 --p;
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113 while ( TRUE )
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114 {
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115 if ( p == str )
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116 return p;
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117 if ( *p == '\n' )
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118 return p + 1;
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119 --p;
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120 }
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121 }
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122
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123 const char *
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124 Utl_getHeaderLn( Str result, const char *p )
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125 {
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126 const char * res = Utl_getLn( result, p );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
127
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
128 /* Look for followon line if this isn't a blank line. */
109
2bedacfe1ba7 [svn] Fix header line reading buf
bears
parents: 91
diff changeset
129 if ( res != NULL && result[ 0 ] != '\0' && ! isspace( result[ 0 ] ) )
87
bf8c97460fd7 [svn] Preserve newslines and spaces in header lines
bears
parents: 59
diff changeset
130 for(;;)
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
131 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
132 Str nextLine;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
133 const char *here;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
134
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
135 here = res;
87
bf8c97460fd7 [svn] Preserve newslines and spaces in header lines
bears
parents: 59
diff changeset
136 nextLine[ 0 ] = '\0';
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
137 res = Utl_getLn( nextLine, res );
87
bf8c97460fd7 [svn] Preserve newslines and spaces in header lines
bears
parents: 59
diff changeset
138 if ( res == NULL || nextLine[ 0 ] == '\0'
109
2bedacfe1ba7 [svn] Fix header line reading buf
bears
parents: 91
diff changeset
139 || ! isspace( nextLine[ 0 ] ) )
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
140 {
87
bf8c97460fd7 [svn] Preserve newslines and spaces in header lines
bears
parents: 59
diff changeset
141 res = here;
bf8c97460fd7 [svn] Preserve newslines and spaces in header lines
bears
parents: 59
diff changeset
142 break;
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
143 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
144 else
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
145 {
87
bf8c97460fd7 [svn] Preserve newslines and spaces in header lines
bears
parents: 59
diff changeset
146 Utl_catStr( result, "\n" );
bf8c97460fd7 [svn] Preserve newslines and spaces in header lines
bears
parents: 59
diff changeset
147 Utl_catStr( result, nextLine );
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
148 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
149 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
150
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
151 return res;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
152 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
153
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
154 void
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
155 Utl_toLower( Str line )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
156 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
157 char *p;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
158
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
159 p = line;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
160 while ( *p )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
161 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
162 *p = tolower( *p );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
163 ++p;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
164 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
165 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
166
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
167 char *
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
168 Utl_stripWhiteSpace( char *line )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
169 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
170 char *p;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
171
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
172 while ( isspace( *line ) )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
173 ++line;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
174 p = line + strlen( line ) - 1;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
175 while ( isspace( *p ) )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
176 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
177 *p = '\0';
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
178 --p;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
179 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
180 return line;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
181 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
182
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
183 void
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
184 Utl_stripComment( char *line )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
185 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
186 for ( ; *line != '\0'; line++ )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
187 if ( *line =='#' )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
188 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
189 *line = '\0';
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
190 break;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
191 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
192 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
193
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
194 void
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
195 Utl_cpyStr( Str dst, const char *src )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
196 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
197 dst[ 0 ] = '\0';
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
198 strncat( dst, src, MAXCHAR );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
199 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
200
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
201 void
59
e612b263934f [svn] Changed some variable types and used some casts to avoid compiler
enz
parents: 54
diff changeset
202 Utl_cpyStrN( Str dst, const char *src, int n )
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
203 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
204 if ( n > MAXCHAR )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
205 n = MAXCHAR;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
206 dst[ 0 ] = '\0';
59
e612b263934f [svn] Changed some variable types and used some casts to avoid compiler
enz
parents: 54
diff changeset
207 strncat( dst, src, (size_t)n );
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
208 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
209
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
210 void
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
211 Utl_catStr( Str dst, const char *src )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
212 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
213 strncat( dst, src, MAXCHAR - strlen( dst ) );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
214 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
215
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
216 void
59
e612b263934f [svn] Changed some variable types and used some casts to avoid compiler
enz
parents: 54
diff changeset
217 Utl_catStrN( Str dst, const char *src, int n )
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
218 {
59
e612b263934f [svn] Changed some variable types and used some casts to avoid compiler
enz
parents: 54
diff changeset
219 size_t un;
e612b263934f [svn] Changed some variable types and used some casts to avoid compiler
enz
parents: 54
diff changeset
220
e612b263934f [svn] Changed some variable types and used some casts to avoid compiler
enz
parents: 54
diff changeset
221 ASSERT( n >= 0 );
e612b263934f [svn] Changed some variable types and used some casts to avoid compiler
enz
parents: 54
diff changeset
222 un = (size_t)n;
e612b263934f [svn] Changed some variable types and used some casts to avoid compiler
enz
parents: 54
diff changeset
223 if ( un > MAXCHAR - strlen( dst ) )
e612b263934f [svn] Changed some variable types and used some casts to avoid compiler
enz
parents: 54
diff changeset
224 un = MAXCHAR - strlen( dst );
e612b263934f [svn] Changed some variable types and used some casts to avoid compiler
enz
parents: 54
diff changeset
225 strncat( dst, src, un );
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
226 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
227
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
228 void
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
229 Utl_stamp( Str file )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
230 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
231 FILE *f;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
232 time_t t;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
233
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
234 time( &t );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
235 if ( ! ( f = fopen( file, "w" ) ) )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
236 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
237 Log_err( "Could not open %s for writing (%s)",
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
238 file, strerror( errno ) );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
239 return;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
240 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
241 fprintf( f, "%lu\n", t );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
242 fclose( f );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
243 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
244
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
245 Bool
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
246 Utl_getStamp( time_t *result, Str file )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
247 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
248 FILE *f;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
249
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
250 if ( ! ( f = fopen( file, "r" ) ) )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
251 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
252 if ( fscanf( f, "%lu", result ) != 1 )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
253 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
254 Log_err( "File %s corrupted", file );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
255 fclose( f );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
256 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
257 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
258 fclose( f );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
259 return TRUE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
260 }
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261
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262 static const char *DOTW[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri",
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263 "Sat", NULL };
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264 static const char *MON[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul",
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265 "Aug", "Sep", "Oct", "Nov", "Dec", NULL };
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266
127
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267 /*
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268 * Calculate the difference between local time and GMT. This is INN's
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269 * 'always-works' method. It assumes the time differences is < 24hrs.
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270 * Sounds reasonable to me. It also assumes it can ignore seconds.
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271 * Returns GMT - localtime minutes. It will also trash the localtime/
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272 * gmtime/etc. static buffer.
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273 */
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274 static int
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275 tzDiff( void )
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276 {
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277 time_t now;
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278 struct tm local, gmt, *tm;
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279 static time_t nextCalc = 0;
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280 static int res = 0;
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281
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282 now = time( NULL );
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283 if ( now < nextCalc )
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284 return res;
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285
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286 tm = localtime( &now );
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287 if ( tm == NULL )
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288 return 0;
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289 local = *tm;
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290 tm = gmtime( &now );
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291 if ( tm == NULL )
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292 return 0;
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293 gmt = *tm;
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294
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295 res = gmt.tm_yday - local.tm_yday;
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296 if ( res < -1 )
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297 res = -1; /* Year rollover? */
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298 else if ( res > 1 )
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299 res = 1;
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300
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301 res *= 24;
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302 res += gmt.tm_hour - local.tm_hour;
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303 res *= 60;
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304 res += gmt.tm_min - local.tm_min;
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305
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306 /* Need to recalc at start of next hour */
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307 nextCalc = now + ( 60 - local.tm_sec ) + 60 * ( 59 - local.tm_min );
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308
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309 return res;
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310 }
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311
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312 void
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313 Utl_newsDate( time_t t, Str res )
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314 {
127
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315 struct tm *local;
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316 long tzdiff, hoffset, moffset;
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317
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318 tzdiff = - tzDiff();
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319
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320 local = localtime( &t );
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321 if ( local == NULL )
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322 {
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323 Utl_cpyStr( res, "** localtime failure **" );
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324 return;
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325 }
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326
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327 hoffset = tzdiff / 60;
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328 moffset = tzdiff % 60;
127
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329 if ( moffset < 0 )
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330 moffset = - moffset;
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331
127
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332 sprintf( res, "%s, %d %s %4d %02d:%02d:%02d %+03ld%02ld",
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333 DOTW[local->tm_wday], local->tm_mday,
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334 MON[local->tm_mon], local->tm_year + 1900,
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335 local->tm_hour, local->tm_min, local->tm_sec,
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336 hoffset, moffset );
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337 }
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338
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339 time_t
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340 Utl_parseNewsDate( const char *s )
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341 {
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342 struct tm tm;
127
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343 int wday, offset, tzoffset;
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344 char *p;
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345 time_t res;
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346
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347 memset( &tm, 0, sizeof( tm ) );
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348 wday = -1;
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349 tm.tm_isdst = -1;
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350
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351 s = nextNonWhiteSpace( s );
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352
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353 /* Is this the day number, or a weekday? */
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354 if ( ! isdigit( *s ) )
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355 {
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356 if ( strlen( s ) < 4 )
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357 return (time_t) -1;
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358
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359 for ( wday = 0; DOTW[ wday ] != NULL; wday++ )
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360 if ( strncasecmp( DOTW[ wday ], s, 3 ) == 0 )
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361 break;
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362
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363 if( DOTW[ wday ] == NULL || s[3] != ',' )
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364 return (time_t) -1;
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365
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366 s += 4;
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367 }
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368
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369 /* Get the day number */
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370 tm.tm_mday = (int) strtol( s, &p, 10 );
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371 if ( p == s )
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372 return (time_t) -1;
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373 s = p;
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374
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375 /* Look for month name */
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376 s = nextNonWhiteSpace( s );
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377 if ( strlen( s ) < 4 )
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378 return (time_t) -1;
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379 for ( tm.tm_mon = 0; MON[ tm.tm_mon ] != NULL; tm.tm_mon++ )
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380 if ( strncasecmp( MON[ tm.tm_mon ], s, 3 ) == 0 )
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381 break;
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382
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383 if ( MON[ tm.tm_mon ] == NULL )
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384 return (time_t) -1;
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385 s += 3;
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386
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387 /* Year next */
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388 tm.tm_year = (int) strtol( s, &p, 10 );
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389 if ( p == s || ( tm.tm_year >= 100 && tm.tm_year < 1900 ) )
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390 return (time_t) -1;
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391 if ( tm.tm_year >= 1900 )
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392 tm.tm_year -= 1900;
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393 s = p;
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394
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395 /* Hours */
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396 tm.tm_hour = (int) strtol( s, &p, 10 );
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397 if ( p == s || *p != ':' )
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398 return (time_t) -1;
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399 s = ++p;
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400
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401 /* Minutes */
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402 tm.tm_min = (int) strtol( s, &p, 10 );
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403 if ( p == s || ( *p != ':' && *p != ' ' ) )
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404 return (time_t) -1;
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405 s = p;
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406
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407 /* Seconds */
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408 if ( *s == ':' )
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409 {
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410 s++;
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411 tm.tm_sec = (int) strtol( s, &p, 10 );
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412 if ( p == s )
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413 return (time_t) -1;
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414 s = p;
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415 }
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416
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417 /* GMT/UT or timezone offset */
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418 tzoffset = 0;
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419 while ( isspace( *s ) )
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420 s++;
186
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421 if ( strncasecmp( s, "GMT", 3) == 0 )
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422 s += 3;
186
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423 else if ( strncasecmp( s, "UT", 2 ) == 0 )
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424 s += 2;
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425 else
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426 {
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427 offset = (int) strtol( s, &p, 10 );
91
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428 s = p;
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429 tzoffset = ( offset / 100 ) * 60 + ( offset % 100 );
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430 }
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431
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432 /* Check for following junk */
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diff changeset
433 if ( *s != '\0' && ! isspace( *s ) )
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434 return (time_t) -1;
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435
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436 res = mktime( &tm );
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437 if ( res == (time_t) -1 )
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438 return res;
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439
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440 if ( wday >= 0 && wday != tm.tm_wday )
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441 return (time_t) -1;
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442
127
3c71e28c8eef [svn] Release-1-0 mergedocs/NOTES
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443 /* Remove local time diff from res to give time as if GMT */
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444 res -= tzDiff() * 60;
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445
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446 /* And now adjust for tzoffset */
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447 res -= tzoffset * 60;
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448
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449 return res;
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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450 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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451
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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452 void
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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453 Utl_allocAndCpy( char **dst, const char *src )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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454 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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455 int len = strlen( src );
45
32ba1198c6fa [svn] * Makefile.in, configure, configure.in, docs/Makefile.in, src/Makefile.in:
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456 if ( ! ( *dst = malloc( (size_t)len + 1 ) ) )
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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457 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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458 Log_err( "Cannot allocate string with length %lu", strlen( src ) );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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459 exit( EXIT_FAILURE );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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460 }
45
32ba1198c6fa [svn] * Makefile.in, configure, configure.in, docs/Makefile.in, src/Makefile.in:
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461 memcpy( *dst, src, (size_t)len + 1 );
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
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462 }
91
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463
164
94f2e5607772 [svn] * src/client.c,src/protocol.c,src/util.h,src/util.c: Common up
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diff changeset
464 sig_t
94f2e5607772 [svn] * src/client.c,src/protocol.c,src/util.h,src/util.c: Common up
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465 Utl_installSignalHandler( int sig, sig_t handler )
94f2e5607772 [svn] * src/client.c,src/protocol.c,src/util.h,src/util.c: Common up
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466 {
94f2e5607772 [svn] * src/client.c,src/protocol.c,src/util.h,src/util.c: Common up
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467 struct sigaction act, oldAct;
94f2e5607772 [svn] * src/client.c,src/protocol.c,src/util.h,src/util.c: Common up
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468
94f2e5607772 [svn] * src/client.c,src/protocol.c,src/util.h,src/util.c: Common up
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469 act.sa_handler = handler;
94f2e5607772 [svn] * src/client.c,src/protocol.c,src/util.h,src/util.c: Common up
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470 sigemptyset( &act.sa_mask );
94f2e5607772 [svn] * src/client.c,src/protocol.c,src/util.h,src/util.c: Common up
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471 act.sa_flags = 0;
94f2e5607772 [svn] * src/client.c,src/protocol.c,src/util.h,src/util.c: Common up
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472 if ( sig != SIGALRM )
94f2e5607772 [svn] * src/client.c,src/protocol.c,src/util.h,src/util.c: Common up
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473 act.sa_flags |= SA_RESTART;
94f2e5607772 [svn] * src/client.c,src/protocol.c,src/util.h,src/util.c: Common up
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474 if ( sigaction( sig, &act, &oldAct ) < 0 )
94f2e5607772 [svn] * src/client.c,src/protocol.c,src/util.h,src/util.c: Common up
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475 return SIG_ERR;
94f2e5607772 [svn] * src/client.c,src/protocol.c,src/util.h,src/util.c: Common up
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476 return oldAct.sa_handler;
94f2e5607772 [svn] * src/client.c,src/protocol.c,src/util.h,src/util.c: Common up
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477 }
94f2e5607772 [svn] * src/client.c,src/protocol.c,src/util.h,src/util.c: Common up
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478
91
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diff changeset
479 #if defined(UTIL_TEST)
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480
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481 /* Test code borrowed from wildmat.c. Yep, still uses gets(). */
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diff changeset
482 extern char *gets();
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483
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484 int
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485 main()
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486 {
93cc929329eb [svn] Date output change and now date parsing
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diff changeset
487 Str line;
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diff changeset
488 time_t t;
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489
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490 printf( "Util date tester. Enter date to test.\n" );
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491 printf( "A blank line exits the program.\n" );
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492
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diff changeset
493 for ( ; ; )
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494 {
127
3c71e28c8eef [svn] Release-1-0 mergedocs/NOTES
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diff changeset
495 t = time( NULL );
3c71e28c8eef [svn] Release-1-0 mergedocs/NOTES
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496 Utl_newsDate( t, line );
3c71e28c8eef [svn] Release-1-0 mergedocs/NOTES
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497 printf( "\n(%s) Enter date: ", line );
91
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498 (void) fflush( stdout );
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499 if ( gets( line ) == NULL || line[0] == '\0' )
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500 break;
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501
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502 t = Utl_parseNewsDate( line );
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diff changeset
503 if ( t == (time_t) -1 )
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504 printf( "Date parse failed\n" );
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505 else
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506 {
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507 Utl_newsDate( t, line );
127
3c71e28c8eef [svn] Release-1-0 mergedocs/NOTES
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508 printf( "Utl_newsDate -> '%s'\n", line );
91
93cc929329eb [svn] Date output change and now date parsing
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509 }
93cc929329eb [svn] Date output change and now date parsing
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diff changeset
510 }
93cc929329eb [svn] Date output change and now date parsing
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diff changeset
511
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512 exit(0);
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513 /* NOTREACHED */
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514 }
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515 #endif