mirror of
https://github.com/moparisthebest/pacman
synced 2024-11-10 03:25:01 -05:00
146 lines
3.4 KiB
C
146 lines
3.4 KiB
C
/*-
|
|
* 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);
|
|
}
|