Mercurial > noffle

annotate src/dynamicstring.c @ 239:2b7ddb90d9b2 noffle

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[svn] * src/over.c: Fix warning. * src/fetchlist.h,src/fetchlist.c,src/noffle.c: Provide fetchmode for groups on fetchlist. * src/server.c: When fetching overviews online from groups on the fetchlist, fetch them in the appropriate fetch mode for the group. E.g. if group mode is FULL, fetch overviews and put all articles on articles required list to be fetched on the next noffle --fetch. * packages/redhat/noffle.spec: Incorporate changes from Carles Arjona.
author bears
date Thu, 14 Feb 2002 17:17:02 +0000
parents 24d4cd032da5
children 5eece4dfd945
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
43
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1 /*
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2 dynamicstring.c
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3
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24d4cd032da5 [svn] * AUTHORS,INSTALL,NEWS,README,TODO,docs/NOTES,src/client.c,src/protocol.c,
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4 $Id: dynamicstring.c 316 2001-10-31 11:44:53Z bears $
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5 */
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6
45
32ba1198c6fa [svn] * Makefile.in, configure, configure.in, docs/Makefile.in, src/Makefile.in:
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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 #include <sys/types.h>
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12 #include "dynamicstring.h"
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13 #include "log.h"
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125d79c9e586 [svn] * src/client.c, src/configfile.c, src/content.c, src/control.c,
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14 #include "portable.h"
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15
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16 struct DynStr
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17 {
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18 int len; /* Current length (without trailing '\0') */
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19 int max; /* Max length that fits into buffer (incl. trailing '\0') */
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20 char *str;
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21 };
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22
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23 static void
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24 reallocStr( DynStr *self, int max )
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25 {
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26 ASSERT( max >= 0 );
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27 if ( max <= self->max )
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28 return;
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29 if ( ! ( self->str = (char *)realloc( self->str, (size_t)max ) ) )
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30 {
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31 Log_err( "Realloc of DynStr failed" );
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32 exit( EXIT_FAILURE );
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33 }
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34 if ( self->max == 0 ) /* First allocation? */
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35 *(self->str) = '\0';
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36 self->max = max;
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37 }
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38
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39 DynStr *
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40 new_DynStr( int reserve )
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41 {
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42 DynStr *s;
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43
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44 if ( ! ( s = malloc( sizeof( DynStr ) ) ) )
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45 {
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46 Log_err( "Allocation of DynStr failed" );
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47 exit( EXIT_FAILURE );
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48 }
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49 s->len = 0;
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50 s->max = 0;
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51 s->str = NULL;
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52 if ( reserve > 0 )
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53 reallocStr( s, reserve + 1 );
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54 return s;
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55 }
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56
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57 void
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58 del_DynStr( DynStr *self )
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59 {
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60 if ( ! self )
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61 return;
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62 free( self->str );
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63 self->str = NULL;
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64 free( self );
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65 }
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66
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67 int
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68 DynStr_len( const DynStr *self )
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69 {
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70 return self->len;
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71 }
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72
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73 const char *
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74 DynStr_str( const DynStr *self )
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75 {
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76 return self->str;
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77 }
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78
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79 void
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80 DynStr_app( DynStr *self, const char *s )
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81 {
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82 int len;
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83
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84 len = strlen( s );
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85 if ( self->len + len + 1 > self->max )
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86 reallocStr( self, self->len * 2 + len + 1 );
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87 strcpy( self->str + self->len, s );
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88 self->len += len;
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89 }
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90
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91 void
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92 DynStr_appDynStr( DynStr *self, const DynStr *s )
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93 {
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94 if ( self->len + s->len + 1 > self->max )
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95 reallocStr( self, self->len * 2 + s->len + 1 );
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96 memcpy( self->str + self->len, s->str, (size_t)s->len + 1 );
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97 self->len += s->len;
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98 }
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99
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100 void
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101 DynStr_appLn( DynStr *self, const char *s )
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102 {
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103 DynStr_app( self, s );
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104 DynStr_app( self, "\n" );
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105 }
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106
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107 void
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108 DynStr_appN( DynStr *self, const char *s, int n )
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109 {
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110 int len = self->len;
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111
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112 ASSERT( n >= 0 );
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113 if ( len + n + 1 > self->max )
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114 reallocStr( self, len * 2 + n + 1 );
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115 strncat( self->str + len, s, (size_t)n );
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116 self->len = len + strlen( self->str + len );
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117 }
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118
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119 void
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120 DynStr_clear( DynStr *self )
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121 {
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122 self->len = 0;
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123 if ( self->max > 0 )
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124 *(self->str) = '\0';
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125 }
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126