Mercurial > noffle
annotate src/dynamicstring.c @ 244:4e69e9b722ae noffle
[svn] * src/database.c,src/protocol.c,src/util.c,src/util.h: The latest IETF
article format draft draft-ietf-usefor-article-06.txt recommends that
Xref: references contain the FQDN of the server. We were using the
host name without the domain. So split the routine used for obtaining
the FQDN from protocol.c into util.c, and use it when adding Xrefs.
author | bears |
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date | Fri, 15 Mar 2002 10:50:33 +0000 |
parents | 24d4cd032da5 |
children | 5eece4dfd945 |
rev | line source |
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1 /* |
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2 dynamicstring.c |
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3 |
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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 |
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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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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 |