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Usenet 1994 October
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usenetsourcesnewsgroupsinfomagicoctober1994disk2.iso
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volume22
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archie
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part01
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archie.c
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C/C++ Source or Header
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1991-08-21
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5KB
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190 lines
/*
* Copyright (c) 1991 by the University of Washington
*
* For copying and distribution information, please see the file
* <uw-copyright.h>.
*/
#include <uw-copyright.h>
/*
* Archie client using the Prospero protocol
*
* Suggestions and improvements to Clifford Neuman (bcn@isi.edu)
*/
#include <stdio.h>
#include <pfs.h>
#include <rdgram.h>
#include <archie.h>
int listflag = 0;
int sortflag = 0; /* 1 = by date */
char *progname;
#ifdef DEBUG
int pfs_debug = 0;
#endif
extern int rdgram_priority;
main(argc,argv)
int argc;
char *argv[];
{
char *cur_arg;
char qtype = '='; /* Default to exact string match */
char etype = '='; /* Type if only -e is specified */
int eflag = 0; /* Exact flag specified */
int max_hits = MAX_HITS;
int offset = 0;
int versionflag = 0;/* Display release identifier */
int tmp;
char *host = ARCHIE_HOST;
int sort_ins_link(), display_link();
progname = *argv;
argc--;argv++;
while (argc > 0 && **argv == '-') {
cur_arg = argv[0]+1;
/* If a - by itself, or --, then no more arguments */
if(!*cur_arg || ((*cur_arg == '-') && (!*(cur_arg+1)))) {
argc--, argv++;
goto scandone;
}
while (*cur_arg) {
switch (*cur_arg++) {
#ifdef DEBUG
case 'D': /* Debug level */
pfs_debug = 1; /* Default debug level */
if(*cur_arg && index("0123456789",*cur_arg)) {
sscanf(cur_arg,"%d",&pfs_debug);
cur_arg += strspn(cur_arg,"0123456789");
}
else if(argc > 2) {
tmp = sscanf(argv[1],"%d",&pfs_debug);
if (tmp == 1) {argc--;argv++;}
}
break;
#endif
case 'N': /* Priority (nice) */
rdgram_priority = RDGRAM_MAX_PRI; /* Use this if no # */
if(*cur_arg && index("-0123456789",*cur_arg)) {
sscanf(cur_arg,"%d",&rdgram_priority);
cur_arg += strspn(cur_arg,"-0123456789");
}
else if(argc > 2) {
tmp = sscanf(argv[1],"%d",&rdgram_priority);
if (tmp == 1) {argc--;argv++;}
}
if(rdgram_priority > RDGRAM_MAX_SPRI)
rdgram_priority = RDGRAM_MAX_PRI;
if(rdgram_priority < RDGRAM_MIN_PRI)
rdgram_priority = RDGRAM_MIN_PRI;
break;
case 'c': /* substring (case sensitive) */
qtype = 'C';
etype = 'c';
break;
case 'e': /* Exact match */
/* If -e specified by itself, then we use the */
/* default value of etype which must be '=' */
eflag++;
break;
case 'h': /* Host */
host = argv[1];
argc--;argv++;
break;
case 'l': /* List one match per line */
listflag++;
break;
case 'm': /* Max hits */
max_hits = -1;
if(*cur_arg && index("0123456789",*cur_arg)) {
sscanf(cur_arg,"%d",&max_hits);
cur_arg += strspn(cur_arg,"0123456789");
}
else if(argc > 1) {
tmp = sscanf(argv[1],"%d",&max_hits);
if (tmp == 1) {argc--;argv++;}
}
if (max_hits < 1) {
fprintf(stderr, "%s: -m option requires a value for max hits (>= 1)\n",
progname);
exit(1);
}
break;
case 'o': /* Offset */
if(argc > 1) {
tmp = sscanf(argv[1],"%d",&offset);
if (tmp != 1)
argc = -1;
else {
argc--;argv++;
}
}
break;
case 'r': /* Regular expression search */
qtype = 'R';
etype = 'r';
break;
case 's': /* substring (case insensitive) */
qtype = 'S';
etype = 's';
break;
case 't': /* Sort inverted by date */
sortflag = 1;
break;
case 'v': /* Display version */
fprintf(stderr,
"Client version %s based upon Prospero version %s\n",
CLIENT_VERSION, PFS_RELEASE);
versionflag++;
break;
default:
fprintf(stderr,"Usage: %s [-[cers][l][t][m #][h host][N#]] string\n", progname);
exit(1);
}
}
argc--, argv++;
}
scandone:
if (eflag) qtype = etype;
if ((argc != 1) && versionflag) exit(0);
if (argc != 1) {
fprintf(stderr, "Usage: %s [-[cers][l][t][m #][h host][N#]] string\n", progname);
fprintf(stderr," -c : case sensitive substring search\n");
fprintf(stderr," -e : exact string match (default)\n");
fprintf(stderr," -r : regular expression search\n");
fprintf(stderr," -s : case insensitive substring search\n");
fprintf(stderr," -l : list one match per line\n");
fprintf(stderr," -t : sort inverted by date\n");
fprintf(stderr," -m # : specifies maximum number of hits to return (default %d)\n", max_hits);
fprintf(stderr," -h host : specifies server host\n");
fprintf(stderr," -N# : specifies query niceness level (0-35765)\n");
exit(1);
}
procquery(host, argv[0], max_hits, offset, qtype, sortflag, listflag);
exit(0);
}