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annotate src/fetchlist.c @ 500:614a3177b15c noffle tip

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author Jim Hague <jim.hague@acm.org>
date Wed, 14 Aug 2013 12:04:39 +0100
parents 01755687c565
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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43
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1 /*
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2 fetchlist.c
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3
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4 $Id: fetchlist.c 419 2003-01-10 23:11:43Z 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 <stdio.h>
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12 #include <errno.h>
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13 #include <unistd.h>
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14 #include "fetchlist.h"
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15 #include "configfile.h"
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16 #include "log.h"
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17 #include "util.h"
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18 #include "portable.h"
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19
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20 struct Elem
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21 {
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22 Str name;
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23 FetchMode mode;
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24 };
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25
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26 static struct Fetchlist
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27 {
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28 struct Elem *elem;
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29 int size;
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30 int max;
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31 Bool dirty;
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32 } fetchlist = { NULL, 0, 0, FALSE };
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33
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34 static void
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35 clearList( void )
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36 {
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37 fetchlist.size = 0;
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38 fetchlist.dirty = FALSE;
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39 }
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40
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41 static int
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42 compareElem( const void *elem1, const void *elem2 )
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43 {
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44 const struct Elem* e1 = (const struct Elem*)elem1;
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45 const struct Elem* e2 = (const struct Elem*)elem2;
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46 return strcmp( e1->name, e2->name );
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47 }
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48
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49 static struct Elem *
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50 searchElem( const char *name )
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51 {
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52 int i;
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53
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54 for ( i = 0; i < fetchlist.size; ++i )
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55 if ( strcmp( name, fetchlist.elem[ i ].name ) == 0 )
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56 return &fetchlist.elem[ i ];
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57 return NULL;
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58 }
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59
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60 static void
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61 appGrp( const char *name, FetchMode mode )
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62 {
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63 struct Elem elem;
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64
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65 if ( fetchlist.max < fetchlist.size + 1 )
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66 {
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67 if ( ! ( fetchlist.elem
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68 = realloc( fetchlist.elem,
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69 ( fetchlist.max + 50 )
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70 * sizeof( fetchlist.elem[ 0 ] ) ) ) )
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71 Log_fatal( "Could not realloc fetchlist" );
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72 fetchlist.max += 50;
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73 }
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74 Utl_cpyStr( elem.name, name );
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75 elem.mode = mode;
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76 fetchlist.elem[ fetchlist.size++ ] = elem;
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77 }
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78
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79 void
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80 Fetchlist_read( void )
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81 {
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82 FILE *f;
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83 Str file;
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84 char *p;
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85 FetchMode mode = OVER;
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86 Bool valid;
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87 int ret;
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88 Str line, grp, modeStr;
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89
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90 Log_dbg( LOG_DBG_FETCH, "Reading %s", file );
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91 snprintf( file, MAXCHAR, "%s/fetchlist", Cfg_spoolDir() );
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92 clearList();
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93 if ( ! ( f = fopen( file, "r" ) ) )
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94 {
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95 Log_inf( "No file %s", file );
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96 return;
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97 }
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98 while ( fgets( line, MAXCHAR, f ) )
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99 {
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100 p = Utl_stripWhiteSpace( line );
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101 if ( *p == '#' || *p == '\0' )
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102 continue;
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103 ret = sscanf( p, MAXCHAR_FMT " " MAXCHAR_FMT, grp, modeStr );
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104 valid = TRUE;
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105 if ( ret < 1 || ret > 2 )
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106 valid = FALSE;
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107 else if ( ret >= 2 )
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108 {
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109 if ( strcmp( modeStr, "full" ) == 0 )
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110 mode = FULL;
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111 else if ( strcmp( modeStr, "thread" ) == 0 )
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112 mode = THREAD;
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113 else if ( strcmp( modeStr, "over" ) == 0 )
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114 mode = OVER;
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115 else
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116 valid = FALSE;
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117 }
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118 if ( ! valid )
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119 {
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120 Log_err( "Invalid entry in %s: %s", file, line );
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121 continue;
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122 }
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123 appGrp( grp, mode );
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124 }
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125 if ( ferror( f ) )
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diff changeset
126 Log_err( "Error reading %s: %s", file, strerror( errno ) );
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
127 if ( fclose( f ) != 0 )
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
128 Log_err( "Error closing %s; %s", file, strerror( errno ) );
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
129 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
130
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
131 Bool
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
132 Fetchlist_write( void )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
133 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
134 int i;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
135 FILE *f;
232
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
136 Str file, tmpfname;
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
137 const char *modeStr = "";
232
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
138 Bool res;
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
139
232
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
140 /* Any changes? */
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
141 if ( ! fetchlist.dirty )
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
142 return TRUE;
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
143
45
32ba1198c6fa [svn] * Makefile.in, configure, configure.in, docs/Makefile.in, src/Makefile.in:
uh1763
parents: 43
diff changeset
144 qsort( fetchlist.elem, (size_t)fetchlist.size,
32ba1198c6fa [svn] * Makefile.in, configure, configure.in, docs/Makefile.in, src/Makefile.in:
uh1763
parents: 43
diff changeset
145 sizeof( fetchlist.elem[ 0 ] ), compareElem );
232
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
146
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
147 snprintf( file, MAXCHAR, "%s/fetchlist", Cfg_spoolDir() );
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
148 snprintf( tmpfname, MAXCHAR, "%s/.#%d.fetchlist",
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
149 Cfg_spoolDir(), (int) getpid() );
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
150
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
151 if ( ! ( f = fopen( tmpfname, "w" ) ) )
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
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diff changeset
152 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
153 Log_err( "Could not open %s for writing", file );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
154 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
155 }
232
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
156 res = TRUE;
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
157 for ( i = 0; i < fetchlist.size; ++i )
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 switch ( fetchlist.elem[ i ].mode )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
160 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
161 case FULL:
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
162 modeStr = "full"; break;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
163 case THREAD:
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
164 modeStr = "thread"; break;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
165 case OVER:
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
166 modeStr = "over"; break;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
167 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
168 fprintf( f, "%s %s\n", fetchlist.elem[ i ].name, modeStr );
232
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
169 if ( ferror( f ) )
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
170 {
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
171 Log_err( "Error writing %s: %s", tmpfname, strerror( errno ) );
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
172 clearerr( f );
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
173 res = FALSE;
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
174 }
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
175 }
232
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
176 if ( fclose( f ) != 0 )
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
177 {
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
178 Log_err( "Error closing %s: %s", tmpfname, strerror( errno ) );
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
179 res = FALSE;
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
180 }
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
181
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
182 if ( res )
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
183 {
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
184 if ( rename( tmpfname, file ) < 0 )
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
185 {
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
186 Log_err( "Rename of %s to %s failed: %s", tmpfname, file,
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
187 strerror( errno ) );
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
188 res = FALSE;
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
189 }
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
190 }
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
191
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
192 return res;
43
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
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
195 int
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
196 Fetchlist_size( void )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
197 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
198 return fetchlist.size;
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 Bool
237
f8a91e2b4060 [svn] * src/fetchlist.h,src/fetchlist.c,src/noffle.c: Provide fetchmode for
bears
parents: 232
diff changeset
202 Fetchlist_contains( const char *name, FetchMode *mode )
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
203 {
237
f8a91e2b4060 [svn] * src/fetchlist.h,src/fetchlist.c,src/noffle.c: Provide fetchmode for
bears
parents: 232
diff changeset
204 struct Elem *elem = searchElem( name );
f8a91e2b4060 [svn] * src/fetchlist.h,src/fetchlist.c,src/noffle.c: Provide fetchmode for
bears
parents: 232
diff changeset
205 if ( elem == NULL )
f8a91e2b4060 [svn] * src/fetchlist.h,src/fetchlist.c,src/noffle.c: Provide fetchmode for
bears
parents: 232
diff changeset
206 return FALSE;
f8a91e2b4060 [svn] * src/fetchlist.h,src/fetchlist.c,src/noffle.c: Provide fetchmode for
bears
parents: 232
diff changeset
207 if ( mode != NULL )
f8a91e2b4060 [svn] * src/fetchlist.h,src/fetchlist.c,src/noffle.c: Provide fetchmode for
bears
parents: 232
diff changeset
208 *mode = elem->mode;
f8a91e2b4060 [svn] * src/fetchlist.h,src/fetchlist.c,src/noffle.c: Provide fetchmode for
bears
parents: 232
diff changeset
209 return TRUE;
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
210 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
211
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
212 Bool
61
adf0af5152f7 [svn] Renamed some variables and function names, because they caused compiler
enz
parents: 54
diff changeset
213 Fetchlist_element( const char **name, FetchMode *mode, int idx )
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
214 {
61
adf0af5152f7 [svn] Renamed some variables and function names, because they caused compiler
enz
parents: 54
diff changeset
215 if ( idx < 0 || idx >= fetchlist.size )
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
216 return FALSE;
61
adf0af5152f7 [svn] Renamed some variables and function names, because they caused compiler
enz
parents: 54
diff changeset
217 *name = fetchlist.elem[ idx ].name;
adf0af5152f7 [svn] Renamed some variables and function names, because they caused compiler
enz
parents: 54
diff changeset
218 *mode = fetchlist.elem[ idx ].mode;
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
219 return TRUE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
220 }
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
221
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
222 Bool
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
223 Fetchlist_add( const char *name, FetchMode mode )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
224 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
225 struct Elem *elem = searchElem( name );
232
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
226 fetchlist.dirty = TRUE;
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
227 if ( elem == NULL )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
228 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
229 appGrp( name, mode );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
230 return TRUE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
231 }
287
01755687c565 [svn] * src/configfile.c: Change snprintf() to Utl_cpyStr();
bears
parents: 281
diff changeset
232 Utl_cpyStr( elem->name, name );
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
233 elem->mode = mode;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
234 return FALSE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
235 }
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 Bool
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
238 Fetchlist_remove( const char *name )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
239 {
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
240 struct Elem *elem = searchElem( name );
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
241 if ( elem == NULL )
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
242 return FALSE;
232
6767c6f3218f [svn] * src/fetchlist.c: Write fetchlist to new file and update if written
bears
parents: 185
diff changeset
243 fetchlist.dirty = TRUE;
43
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
244 *elem = fetchlist.elem[ fetchlist.size - 1 ];
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
245 --fetchlist.size;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
246 return TRUE;
2842f50feb55 [svn] * client.c, client.h, common.h, config.c, config.h, content.c, content.h,
uh1763
parents:
diff changeset
247 }