11 #include "subscribe.h"
17 static char inbuf[512];
18 char strnum[FMT_ULONG];
19 static stralloc line = {0};
20 static stralloc fn = {0};
22 static void die_nomem(fatal)
25 strerr_die2x(111,fatal,ERR_NOMEM);
28 static void die_write(fatal)
31 strerr_die3x(111,fatal,ERR_WRITE,"stdout");
34 unsigned long putsubs(dbname,hash_lo,hash_hi,
35 subwrite,flagsql,fatal)
36 /* Outputs all userhostesses in 'dbname' to stdout. If userhost is not null */
37 /* that userhost is excluded. 'dbname' is the base directory name. For the */
38 /* mysql version, dbname is the directory where the file "sql" with mysql */
39 /* access info is found. If this file is not present or if flagmysql is not */
40 /* set, the routine falls back to the old database style. subwrite must be a*/
41 /* function returning >=0 on success, -1 on error, and taking arguments */
42 /* (char* string, unsigned int length). It will be called once per address */
43 /* and should take care of newline or whatever needed for the output form. */
45 char *dbname; /* database base dir */
46 unsigned long hash_lo;
47 unsigned long hash_hi;
48 int subwrite(); /* write function. */
50 char *fatal; /* fatal error string */
57 char *table = (char *) 0;
61 unsigned long no = 0L;
64 char *ret = (char *) 0;
66 if (!flagsql || (ret = opensql(dbname,&table))) {
67 if (flagsql && *ret) strerr_die2x(111,fatal,ret);
68 /* fallback to local db */
69 if (!stralloc_copys(&fn,dbname)) die_nomem(fatal);
70 if (!stralloc_catb(&fn,"/subscribers/?",15)) die_nomem(fatal);
71 /* NOTE: Also copies terminal '\0' */
73 if (hash_lo > 52) hash_lo = 52;
74 if (hash_hi > 52) hash_hi = 52;
75 if (hash_hi < hash_lo) hash_hi = hash_lo;
77 for (i = hash_lo;i <= hash_hi;++i) {
78 fn.s[hashpos] = 64 + i; /* hash range 0-52 */
81 if (errno != error_noent)
82 strerr_die4sys(111,fatal,ERR_READ,fn.s,": ");
84 substdio_fdbuf(&ssin,read,fd,inbuf,sizeof(inbuf));
86 if (getln(&ssin,&line,&match,'\0') == -1)
87 strerr_die4sys(111,fatal,ERR_READ,fn.s,": ");
90 if (subwrite(line.s + 1,line.len - 2) == -1) die_write(fatal);
98 } else { /* SQL Version */
101 if (!stralloc_copys(&line,"SELECT address FROM "))
103 if (!stralloc_cats(&line,table)) die_nomem(fatal);
104 if (!stralloc_cats(&line," WHERE hash BETWEEN ")) die_nomem(fatal);
105 if (!stralloc_catb(&line,strnum,fmt_ulong(strnum,hash_lo)))
107 if (!stralloc_cats(&line," AND ")) die_nomem(fatal);
108 if (!stralloc_catb(&line,strnum,fmt_ulong(strnum,hash_hi)))
110 if (!stralloc_0(&line)) die_nomem(fatal);
111 result = PQexec(psql,line.s);
113 strerr_die2x(111,fatal,PQerrorMessage(psql));
114 if (PQresultStatus(result) != PGRES_TUPLES_OK)
115 strerr_die2x(111,fatal,PQresultErrorMessage(result));
118 for (row_nr=0;row_nr<PQntuples(result);row_nr++) {
119 /* this is safe even if someone messes with the address field def */
120 length = PQgetlength(result,row_nr,0);
121 row = PQgetvalue(result,row_nr,0);
122 if (subwrite(row,length) == -1) die_write(fatal);
123 no++; /* count for list-list fxn */