/*
- * Copyright (C) 1994-1995, Index Data I/S
+ * Copyright (C) 1994-1999, Index Data
* All rights reserved.
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: dirs.c,v $
- * Revision 1.2 1995-11-20 11:56:23 adam
+ * Revision 1.15 1999-02-02 14:50:51 adam
+ * Updated WIN32 code specific sections. Changed header.
+ *
+ * Revision 1.14 1998/01/12 15:04:07 adam
+ * The test option (-s) only uses read-lock (and not write lock).
+ *
+ * Revision 1.13 1997/09/09 13:38:06 adam
+ * Partial port to WIN95/NT.
+ *
+ * Revision 1.12 1996/11/08 11:10:13 adam
+ * Buffers used during file match got bigger.
+ * Compressed ISAM support everywhere.
+ * Bug fixes regarding masking characters in queries.
+ * Redesigned Regexp-2 queries.
+ *
+ * Revision 1.11 1996/10/29 14:06:47 adam
+ * Include zebrautl.h instead of alexutil.h.
+ *
+ * Revision 1.10 1996/06/04 10:18:58 adam
+ * Minor changes - removed include of ctype.h.
+ *
+ * Revision 1.9 1996/04/23 12:39:07 adam
+ * Bug fix: In function dirs_del dict_delete is used to remove a file
+ * rather than a bogus dict_insert.
+ *
+ * Revision 1.8 1996/04/12 07:02:21 adam
+ * File update of single files.
+ *
+ * Revision 1.7 1996/03/21 14:50:09 adam
+ * File update uses modify-time instead of change-time.
+ *
+ * Revision 1.6 1996/02/02 13:44:43 adam
+ * The public dictionary functions simply use char instead of Dict_char
+ * to represent search strings. Dict_char is used internally only.
+ *
+ * Revision 1.5 1996/01/17 14:54:44 adam
+ * Function dirs_rmdir uses dict_delete.
+ *
+ * Revision 1.4 1995/11/30 08:34:27 adam
+ * Started work on commit facility.
+ * Changed a few malloc/free to xmalloc/xfree.
+ *
+ * Revision 1.3 1995/11/20 16:59:45 adam
+ * New update method: the 'old' keys are saved for each records.
+ *
+ * Revision 1.2 1995/11/20 11:56:23 adam
* Work on new traversal.
*
* Revision 1.1 1995/11/17 15:54:42 adam
* Started work on virtual directory structure.
*/
#include <stdio.h>
+#include <string.h>
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
-#include <ctype.h>
-#include <alexutil.h>
#include "index.h"
+#define DIRS_MAX_PATH 1024
+
struct dirs_info {
Dict dict;
+ int rw;
int no_read;
int no_cur;
int no_max;
struct dirs_entry *entries;
- char nextpath[256];
- char prefix[256];
+ char nextpath[DIRS_MAX_PATH];
+ char prefix[DIRS_MAX_PATH];
int prelen;
struct dirs_entry *last_entry;
};
-static int dirs_client_proc (Dict_char *name, const char *info, int pos,
+static int dirs_client_proc (char *name, const char *info, int pos,
void *client)
{
struct dirs_info *ci = client;
assert (0);
}
entry = ci->entries + ci->no_cur;
- if (info[0] == sizeof(entry->sysno)+sizeof(entry->ctime))
+ if (info[0] == sizeof(entry->sysno)+sizeof(entry->mtime))
{
strcpy (entry->path, name + ci->prelen);
entry->kind = dirs_file;
memcpy (&entry->sysno, info+1, sizeof(entry->sysno));
- memcpy (&entry->ctime, info+1+sizeof(entry->sysno),
- sizeof(entry->ctime));
+ memcpy (&entry->mtime, info+1+sizeof(entry->sysno),
+ sizeof(entry->mtime));
ci->no_cur++;
}
- else if (info[0] == sizeof(entry->ctime))
+ else if (info[0] == sizeof(entry->mtime))
{
strcpy (entry->path, name + ci->prelen);
entry->kind = dirs_dir;
- memcpy (&entry->ctime, info+1, sizeof(entry->ctime));
+ memcpy (&entry->mtime, info+1, sizeof(entry->mtime));
ci->no_cur++;
}
return 0;
}
-struct dirs_info *dirs_open (Dict dict, const char *rep)
+struct dirs_info *dirs_open (Dict dict, const char *rep, int rw)
{
struct dirs_info *p;
int before = 0, after;
logf (LOG_DEBUG, "dirs_open %s", rep);
- if (!(p = malloc (sizeof (*p))))
- {
- logf (LOG_FATAL|LOG_ERRNO, "malloc");
- exit (1);
- }
+ p = xmalloc (sizeof (*p));
p->dict = dict;
+ p->rw = rw;
strcpy (p->prefix, rep);
p->prelen = strlen(p->prefix);
strcpy (p->nextpath, rep);
p->no_read = p->no_cur = 0;
- after = p->no_max = 400;
- if (!(p->entries = malloc (sizeof(*p->entries) * (p->no_max))))
- {
- logf (LOG_FATAL|LOG_ERRNO, "malloc");
- exit (1);
- }
+ after = p->no_max = 100;
+ p->entries = xmalloc (sizeof(*p->entries) * (p->no_max));
logf (LOG_DEBUG, "dirs_open first scan");
dict_scan (p->dict, p->nextpath, &before, &after, p, dirs_client_proc);
return p;
}
+struct dirs_info *dirs_fopen (Dict dict, const char *path)
+{
+ struct dirs_info *p;
+ struct dirs_entry *entry;
+ char *info;
+
+ p = xmalloc (sizeof(*p));
+ p->dict = dict;
+ *p->prefix = '\0';
+ p->entries = xmalloc (sizeof(*p->entries));
+ p->no_read = 0;
+ p->no_cur = 0;
+ p->no_max = 2;
+
+ entry = p->entries;
+ info = dict_lookup (dict, path);
+ if (info && info[0] == sizeof(entry->sysno)+sizeof(entry->mtime))
+ {
+ strcpy (entry->path, path);
+ entry->kind = dirs_file;
+ memcpy (&entry->sysno, info+1, sizeof(entry->sysno));
+ memcpy (&entry->mtime, info+1+sizeof(entry->sysno),
+ sizeof(entry->mtime));
+ p->no_cur++;
+ }
+ return p;
+}
+
struct dirs_entry *dirs_read (struct dirs_info *p)
{
- int before = 0, after = p->no_max;
+ int before = 0, after = p->no_max+1;
if (p->no_read < p->no_cur)
{
}
if (p->no_cur < p->no_max)
return p->last_entry = NULL;
-#if 0
- strcpy (p->nextpath, p->prefix);
- strcat (p->nextpath, (p->entries + p->no_max-1)->path);
-#endif
p->no_cur = -1;
logf (LOG_DEBUG, "dirs_read rescan");
dict_scan (p->dict, p->nextpath, &before, &after, p, dirs_client_proc);
return p->last_entry;
}
-void dirs_mkdir (struct dirs_info *p, const char *src, int ctime)
+void dirs_mkdir (struct dirs_info *p, const char *src, time_t mtime)
{
- char path[256];
+ char path[DIRS_MAX_PATH];
sprintf (path, "%s%s", p->prefix, src);
logf (LOG_DEBUG, "dirs_mkdir %s", path);
- dict_insert (p->dict, path, sizeof(ctime), &ctime);
+ if (p->rw)
+ dict_insert (p->dict, path, sizeof(mtime), &mtime);
}
void dirs_rmdir (struct dirs_info *p, const char *src)
{
- char path[256];
- char info[2];
+ char path[DIRS_MAX_PATH];
sprintf (path, "%s%s", p->prefix, src);
logf (LOG_DEBUG, "dirs_rmdir %s", path);
- info[0] = 'r';
- dict_insert (p->dict, path, 1, info);
+ if (p->rw)
+ dict_delete (p->dict, path);
}
-void dirs_add (struct dirs_info *p, const char *src, int sysno, int ctime)
+void dirs_add (struct dirs_info *p, const char *src, int sysno, time_t mtime)
{
- char path[256];
+ char path[DIRS_MAX_PATH];
char info[16];
sprintf (path, "%s%s", p->prefix, src);
logf (LOG_DEBUG, "dirs_add %s", path);
memcpy (info, &sysno, sizeof(sysno));
- memcpy (info+sizeof(sysno), &ctime, sizeof(ctime));
- dict_insert (p->dict, path, sizeof(sysno)+sizeof(ctime), info);
+ memcpy (info+sizeof(sysno), &mtime, sizeof(mtime));
+ if (p->rw)
+ dict_insert (p->dict, path, sizeof(sysno)+sizeof(mtime), info);
}
void dirs_del (struct dirs_info *p, const char *src)
{
- char path[256];
- char info[2];
+ char path[DIRS_MAX_PATH];
sprintf (path, "%s%s", p->prefix, src);
logf (LOG_DEBUG, "dirs_del %s", path);
- info[0] = 'r';
- dict_insert (p->dict, path, 1, info);
+ if (p->rw)
+ dict_delete (p->dict, path);
}
void dirs_free (struct dirs_info **pp)
{
struct dirs_info *p = *pp;
- free (p->entries);
- free (p);
+ xfree (p->entries);
+ xfree (p);
*pp = NULL;
}
projects / idzebra-moved-to-github.git / blobdiff