-/*
- * $Source$
- * $Author$
- * $Header$
+/* $Id$
*
- * Copyright (C) 1987 by the Massachusetts Institute of Technology
- *
- * $Log$
- * Revision 1.5 1988-02-16 16:24:24 mar
- * sq_save_unique_data and sq_save_unique_string didn't used to
- * cdr down the queue correctly
- *
- * Revision 1.5 88/02/16 15:12:58 mar
- * sq_save_unique_data and sq_save_unique_string didn't used
- * to cdr down the queue correctly.
- *
- * Revision 1.4 87/08/29 00:04:14 mike
- * added sq_save_unique_string
- *
- * Revision 1.3 87/08/22 17:44:39 wesommer
- * Cleaning up after mike again.
- *
- * Revision 1.2 87/06/08 03:08:15 wesommer
- * Reindented; added header.
- *
+ * Copyright (C) 1987-1998 by the Massachusetts Institute of Technology
+ * For copying and distribution information, please see the file
+ * <mit-copyright.h>.
*/
-#ifndef lint
-static char *rcsid_qsubs_c = "$Header$";
-#endif lint
-
+#include <mit-copyright.h>
+#include "mr_server.h"
#include "query.h"
+#include <stdlib.h>
+
+RCSID("$Header$");
+
extern struct query Queries[];
extern int QueryCount;
-#ifdef notdef
-extern struct s_query S_Queries[];
-extern int S_QueryCount;
-#endif notdef
-struct query *
-get_query_by_name(name)
- register char *name;
+int qcmp(const void *q1, const void *q2);
+
+struct query *get_query_by_name(char *name, int version)
{
- register struct query *q;
- register int i;
+ int i;
- q = Queries;
- i = QueryCount;
+ i = QueryCount;
- if (strlen(name) == 4) {
- while (--i >= 0) {
- if (!strcmp(q->shortname, name)) return(q);
- q++;
+ if (strlen(name) == 4)
+ {
+ while (--i >= 0)
+ {
+ if (!strcmp(Queries[i].shortname, name) &&
+ Queries[i].version <= version)
+ return &Queries[i];
}
- } else {
- while (--i >= 0) {
- if (!strcmp(q->name, name)) return(q);
- q++;
+ }
+ else
+ {
+ while (--i >= 0)
+ {
+ if (!strcmp(Queries[i].name, name) &&
+ Queries[i].version <= version)
+ return &Queries[i];
}
}
- return((struct query *)0);
+ return NULL;
}
-list_queries(action, actarg)
- int (*action)();
- int actarg;
+void list_queries(client *cl, int (*action)(int, char *[], void *),
+ void *actarg)
{
- register struct query *q;
- register int i;
- static struct query **squeries = (struct query **)0;
- register struct query **sq;
+ struct query **squeries = NULL;
+ int qcount;
+ struct query *q, **sq;
char qnames[80];
char *qnp;
- int qcmp();
+ int i;
- if (squeries == (struct query **)0)
+ squeries = sq = xmalloc(QueryCount * sizeof(struct query *));
+ q = Queries;
+ for (i = 0; i < QueryCount; i++)
{
- sq = (struct query **)malloc(QueryCount * sizeof (struct query *));
- squeries = sq;
- q = Queries;
- for (i = QueryCount; --i >= 0; )
- *sq++ = q++;
- qsort(squeries, QueryCount, sizeof (struct query *), qcmp);
+ if (q->version > cl->version)
+ {
+ q++;
+ continue;
+ }
+ if (i > 0 && strcmp((*sq)->name, q->name))
+ sq++;
+ *sq = q++;
}
+ qcount = (sq - squeries) + 1;
+ qsort(squeries, qcount, sizeof(struct query *), qcmp);
- q = Queries;
sq = squeries;
qnp = qnames;
- for (i = QueryCount; --i >= 0; sq++) {
+ for (i = qcount; --i >= 0; sq++)
+ {
sprintf(qnames, "%s (%s)", (*sq)->name, (*sq)->shortname);
(*action)(1, &qnp, actarg);
- }
+ }
+ strcpy(qnames, "_help");
+ (*action)(1, &qnp, actarg);
+ strcpy(qnames, "_list_queries");
+ (*action)(1, &qnp, actarg);
+ strcpy(qnames, "_list_users");
+ (*action)(1, &qnp, actarg);
+
+ free(squeries);
}
-help_query(q, action, actarg)
- register struct query *q;
- int (*action)();
- int actarg;
+void help_query(struct query *q, int (*action)(int, char *[], void *),
+ void *actarg)
{
- register int argcount;
- register int i;
- char argn[32];
- char qname[80];
- char *argv[32];
-
- argcount = q->argc;
- if (q->type == UPDATE || q->type == APPEND) argcount += q->vcnt;
-
- switch (argcount) {
+ int argcount;
+ int i;
+ char argn[32];
+ char qname[512];
+ char argr[512];
+ char *argv[32];
+
+ argcount = q->argc;
+ if (q->type == UPDATE || q->type == APPEND)
+ argcount += q->vcnt;
+
+ switch (argcount)
+ {
case 0:
- sprintf(qname, " %s ()", q->shortname);
- argv[0] = qname;
- (*action)(1, argv, actarg);
- break;
+ sprintf(qname, " %s, %s ()", q->name, q->shortname);
+ argv[0] = qname;
+ argcount = 1;
+ break;
case 1:
- sprintf(qname, " %s (%s)", q->shortname, q->fields[0]);
- argv[0] = qname;
- (*action)(1, argv, actarg);
- break;
+ sprintf(qname, " %s, %s (%s)", q->name, q->shortname, q->fields[0]);
+ argv[0] = qname;
+ argcount = 1;
+ break;
case 2:
- sprintf(qname, " %s (%s, %s)", q->shortname, q->fields[0],
- q->fields[1]);
- argv[0] = qname;
- (*action)(1, argv, actarg);
- break;
+ sprintf(qname, " %s, %s (%s, %s)", q->name, q->shortname,
+ q->fields[0], q->fields[1]);
+ argv[0] = qname;
+ argcount = 1;
+ break;
default:
- sprintf(qname, " %s (%s", q->shortname, q->fields[0]);
- argv[0] = qname;
- argcount--;
- for (i = 1; i < argcount; i++) argv[i] = q->fields[i];
- sprintf(argn, "%s)", q->fields[argcount]);
- argv[argcount] = argn;
- (*action)(argcount+1, argv, actarg);
- break;
+ sprintf(qname, " %s, %s (%s", q->name, q->shortname, q->fields[0]);
+ argv[0] = qname;
+ argcount--;
+ for (i = 1; i < argcount; i++)
+ argv[i] = q->fields[i];
+ sprintf(argn, "%s)", q->fields[argcount]);
+ argv[argcount++] = argn;
+ break;
}
-}
-
-qcmp(q1, q2)
- struct query **q1;
- struct query **q2;
-{
- return(strcmp((*q1)->name, (*q2)->name));
-}
-
-get_input_fields(q, argc, argv)
- register struct query *q;
- int *argc;
- char ***argv;
-{
- *argv = q->fields;
- *argc = q->argc;
- if (q->type == UPDATE || q->type == APPEND)
- *argc += q->vcnt;
-}
-
-get_output_fields(q, argc, argv)
- register struct query *q;
- int *argc;
- char ***argv;
-{
- if (q->type == RETRIEVE) {
- *argc = q->vcnt;
- *argv = &q->fields[q->argc];
- } else {
- *argc = 0;
- *argv = (char **)0;
- }
-}
-
-char *
-get_field(q, argv, name)
- register struct query *q;
- char *argv[];
- char *name;
-{
- register char **fp;
- register char *field;
- register int i;
-
- if (q->type != RETRIEVE) return((char *)0);
-
- if (*name == '*') name++;
- fp = &q->fields[q->argc];
- for (i = 0; i < q->vcnt; i++) {
- field = *fp++;
- if (*field == '*') field++;
- if (!strcmp(field, name)) return(argv[i]);
- }
- return((char *)0);
-}
-
-put_field(q, argv, name, value)
- register struct query *q;
- char *argv[];
- char *name;
- char *value;
-{
- register char **fp;
- register char *field;
- register int i;
- register int n;
-
- n = q->argc;
- if (q->type == UPDATE || q->type == APPEND) n += q->vcnt;
- if (*name == '*') name++;
- fp = q->fields;
- for (i = 0; i < n; i++) {
- field = *fp++;
- if (*field == '*') field++;
- if (!strcmp(field, name)) {
- strcpy(argv[i], value);
- return(0);
+ if (q->type == RETRIEVE)
+ {
+ sprintf(argr, "%s => %s", argv[--argcount], q->fields[q->argc]);
+ argv[argcount++] = argr;
+ if (q->vcnt > 1)
+ {
+ for (i = q->argc + 1; i < q->vcnt + q->argc; i++)
+ argv[argcount++] = q->fields[i];
}
}
- return(-1);
-}
-
-
-/* Generic Queue Routines */
-
-struct save_queue *
-sq_create()
-{
- register struct save_queue *sq;
-
- sq = (struct save_queue *)malloc(sizeof (struct save_queue));
- sq->q_next = sq;
- sq->q_prev = sq;
- sq->q_lastget = 0;
- return(sq);
+ (*action)(argcount, argv, actarg);
}
-sq_save_data(sq, data)
- register struct save_queue *sq;
- char *data;
+int qcmp(const void *q1, const void *q2)
{
- register struct save_queue *q;
-
- q = (struct save_queue *)malloc(sizeof (struct save_queue));
- q->q_next = sq;
- q->q_prev = sq->q_prev;
- sq->q_prev->q_next = q;
- sq->q_prev = q;
- q->q_data = data;
-}
-
-sq_save_args(argc, argv, sq)
- register struct save_queue *sq;
- register int argc;
- register char *argv[];
-{
- register char **argv_copy;
- register int i;
- register int n;
-
- argv_copy = (char **)malloc(argc * sizeof (char *));
- for (i = 0; i < argc; i++) {
- n = strlen(argv[i]) + 1;
- argv_copy[i] = (char *)malloc(n);
- bcopy(argv[i], argv_copy[i], n);
- }
-
- sq_save_data(sq, argv_copy);
-}
-
-sq_save_unique_data(sq, data)
- register struct save_queue *sq;
- char *data;
-{
- register struct save_queue *q;
-
- for (q = sq->q_next; q != sq; q = q->q_next)
- if (q->q_data == data) return;
-
- sq_save_data(sq, data);
+ return strcmp((*(struct query **)q1)->name, (*(struct query **)q2)->name);
}
-
-sq_save_unique_string(sq, data)
- register struct save_queue *sq;
- char *data;
-{
- register struct save_queue *q;
-
- for (q = sq->q_next; q != sq; q = q->q_next)
- if (!strcmp(q->q_data, data)) return;
-
- sq_save_data(sq, data);
-}
-
-sq_get_data(sq, data)
- register struct save_queue *sq;
- register char **data;
-{
- if (sq->q_lastget == (struct save_queue *)0) {
- sq->q_lastget = sq->q_next;
- } else {
- sq->q_lastget = sq->q_lastget->q_next;
- }
-
- if (sq->q_lastget == sq) return(0);
- *data = sq->q_lastget->q_data;
- return(1);
-}
-
-sq_destroy(sq)
- register struct save_queue *sq;
-{
- register struct save_queue *q;
-
- for (q = sq->q_next; q != sq; q = sq->q_next) {
- sq->q_next = q->q_next;
- free(q);
- }
- free(sq);
-}
-
-
-/*
- * Local Variables:
- * mode: c
- * c-indent-level: 4
- * c-continued-statement-offset: 4
- * c-brace-offset: -4
- * c-argdecl-indent: 4
- * c-label-offset: -4
- * End:
- */
andersk / moira.git / blobdiff