File: active.c

package info (click to toggle)
nn 6.7.3-10
  • links: PTS
  • area: main
  • in suites: buster, stretch
  • size: 2,508 kB
  • ctags: 3,198
  • sloc: ansic: 32,035; sh: 1,491; awk: 138; makefile: 98
file content (156 lines) | stat: -rw-r--r-- 3,472 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
/*
 *	(c) Copyright 1990, Kim Fabricius Storm.  All rights reserved.
 *      Copyright (c) 1996-2005 Michael T Pins.  All rights reserved.
 *
 *	read/update incore copy of active file
 */

#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "config.h"
#include "global.h"
#include "active.h"
#include "db.h"
#include "master.h"
#include "newsrc.h"

void
read_active_file(FILE * act, FILE * copy)
{
    char            line[512];
    register char  *cp, *name;
    register group_header *gh, *gh1;
    int             must_update;
    register flag_type old_flag;

    Loop_Groups_Header(gh) {
	gh->master_flag &= ~M_VALID;
	gh->first_a_article = 0;
	gh->last_a_article = 0;
    }

    while (fgets(line, 512, act)) {
	if (copy != NULL)
	    fputs(line, copy);
	must_update = 0;

	cp = line;
	while (*cp && isspace(*cp))
	    cp++;		/* eat blank lines */
	if (*cp == NUL || *cp == '#')
	    continue;

	/* cp -> NAME space 00888 ... nl */
	name = cp;
	while (*cp != ' ')
	    cp++;
	*cp++ = NUL;

	gh = lookup_no_alias(name);
	if (gh == NULL) {
	    /* new group */
	    gh = add_new_group(name);
	    if (gh == NULL)
		continue;
	    must_update = 1;
	}
	while (*cp && isspace(*cp))
	    cp++;
	gh->last_a_article = atol(cp);

	while (*cp && isdigit(*cp))
	    cp++;
	while (*cp && isspace(*cp))
	    cp++;

	if (*cp == NUL) {
	    log_entry('E', "Error in active file for entry %s", name);
	    continue;
	}
	gh->first_a_article = atol(cp);
	if (gh->first_a_article == 0)
	    gh->first_a_article = 1;
	while (*cp && isdigit(*cp))
	    cp++;
	while (*cp && isspace(*cp))
	    cp++;

	gh->master_flag |= M_VALID;
	if (gh->master_flag & M_IGNORE_G)
	    continue;

	old_flag = gh->master_flag &
	    (M_IGNORE_A | M_MODERATED | M_NOPOST | M_ALIASED);
	gh->master_flag &=
	    ~(M_IGNORE_A | M_MODERATED | M_NOPOST | M_ALIASED);

	switch (*cp) {
	    default:
		break;

	    case 'x':
		gh->master_flag |= M_IGNORE_A;
		if ((old_flag & (M_IGNORE_A | M_ALIASED)) == M_IGNORE_A)
		    continue;
		must_update++;
		break;

	    case 'm':
		gh->master_flag |= M_MODERATED;
		if (old_flag & M_MODERATED)
		    continue;
		must_update++;
		break;

	    case 'n':
		gh->master_flag |= M_NOPOST;
		if (old_flag & M_NOPOST)
		    continue;
		must_update++;
		break;

	    case '=':
		while (*++cp && isspace(*cp))
		    cp++;
		name = cp;
		while (*cp && !isspace(*cp))
		    cp++;
		*cp = NUL;
		if (old_flag & M_ALIASED) {
		    /* quick check: has the alias changed */
		    int32           n = (int32) gh->data_write_offset;
		    if (n >= 0 && n < master.number_of_groups) {
			gh1 = ACTIVE_GROUP(n);
			if (strcmp(gh1->group_name, name) == 0) {
			    gh->master_flag |= M_ALIASED | M_IGNORE_A;
			    continue;
			}
		    }
		}
		gh1 = lookup_no_alias(name);
		if (gh1 == NULL) {
		    /* '=unknown.group' is treated just like 'x' */
		    if ((old_flag & M_IGNORE_A) == 0)
			log_entry('R', "Group %s aliased to unknown group (%s)",
				  gh->group_name, name);
		    gh->master_flag |= M_IGNORE_A;
		    if ((old_flag & (M_IGNORE_A | M_ALIASED)) == M_IGNORE_A)
			continue;
		} else {
		    gh->master_flag |= M_ALIASED | M_IGNORE_A;
		    gh->data_write_offset = (long) gh1->group_num;
		}
		must_update = 1;
		break;
	}

	if ((old_flag & M_ALIASED) && (gh->master_flag & M_ALIASED) == 0) {
	    gh->data_write_offset = 0;
	    gh->master_flag |= M_MUST_CLEAN;
	    continue;
	}
	if (must_update && who_am_i == I_AM_MASTER)
	    db_write_group(gh);
    }
}