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/*-
* Copyright (c) 1998-2004 Dag-Erling Coïdan Smørgrav
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer
* in this position and unchanged.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <dirent.h>
#include <stdio.h>
#include <string.h>
#include "fetch.h"
#include "common.h"
FILE *
fetchXGetFile(struct url *u, struct url_stat *us, const char *flags)
{
FILE *f;
if (us && fetchStatFile(u, us, flags) == -1)
return (NULL);
f = fopen(u->doc, "r");
if (f == NULL)
_fetch_syserr();
if (u->offset && fseeko(f, u->offset, SEEK_SET) == -1) {
fclose(f);
_fetch_syserr();
}
return (f);
}
FILE *
fetchGetFile(struct url *u, const char *flags)
{
return (fetchXGetFile(u, NULL, flags));
}
FILE *
fetchPutFile(struct url *u, const char *flags)
{
FILE *f;
if (CHECK_FLAG('a'))
f = fopen(u->doc, "a");
else
f = fopen(u->doc, "w+");
if (f == NULL)
_fetch_syserr();
if (u->offset && fseeko(f, u->offset, SEEK_SET) == -1) {
fclose(f);
_fetch_syserr();
}
return (f);
}
static int
_fetch_stat_file(const char *fn, struct url_stat *us)
{
struct stat sb;
us->size = -1;
us->atime = us->mtime = 0;
if (stat(fn, &sb) == -1) {
_fetch_syserr();
return (-1);
}
us->size = sb.st_size;
us->atime = sb.st_atime;
us->mtime = sb.st_mtime;
return (0);
}
int
fetchStatFile(struct url *u, struct url_stat *us, const char *flags)
{
return (_fetch_stat_file(u->doc, us));
}
struct url_ent *
fetchListFile(struct url *u, const char *flags)
{
struct dirent *de;
struct url_stat us;
struct url_ent *ue;
int size, len;
char fn[PATH_MAX], *p;
DIR *dir;
int l;
if ((dir = opendir(u->doc)) == NULL) {
_fetch_syserr();
return (NULL);
}
ue = NULL;
strncpy(fn, u->doc, sizeof(fn) - 2);
fn[sizeof(fn) - 2] = 0;
strcat(fn, "/");
p = strchr(fn, 0);
l = sizeof(fn) - strlen(fn) - 1;
while ((de = readdir(dir)) != NULL) {
strncpy(p, de->d_name, l - 1);
p[l - 1] = 0;
if (_fetch_stat_file(fn, &us) == -1)
/* should I return a partial result, or abort? */
break;
_fetch_add_entry(&ue, &size, &len, de->d_name, &us);
}
return (ue);
}
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