|
/*- * 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 __unused) { return (_fetch_stat_file(u->doc, us)); } struct url_ent * fetchListFile(struct url *u, const char *flags __unused) { 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); } syntax highlighted by Code2HTML, v. 0.9.1 |