147 lines
3.9 KiB
C
147 lines
3.9 KiB
C
/* unxfile.c: 15-Aug-00 */
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/* (C)opyright (C) 1993,2000 Martin Stover, Marburg, Germany
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "net.h"
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#include <dirent.h>
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#include "unxfile.h"
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int unx_mvdir(uint8 *oldname, uint8 *newname)
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{
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struct stat statb;
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if (!stat(newname, &statb)) return(EEXIST);
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if (stat(oldname, &statb)) return(-1);
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else if (!S_ISDIR(statb.st_mode)) return(-1);
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return( (rename(oldname, newname) < 0) ? errno : 0);
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}
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int unx_mvfile(uint8 *oldname, uint8 *newname)
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{
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struct stat statb;
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if (!stat(newname, &statb)) return(EEXIST);
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if (stat(oldname, &statb)) return(-1);
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else if (S_ISDIR(statb.st_mode)) return(-1);
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return( (rename(oldname, newname) < 0) ? errno : 0);
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}
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int unx_mvfile_or_dir(uint8 *oldname, uint8 *newname)
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{
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struct stat statb;
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if (!stat(newname, &statb)) return(EEXIST);
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if (stat(oldname, &statb)) return(-1);
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return( (rename(oldname, newname) < 0) ? errno : 0);
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}
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int unx_xmkdir(char *unixname, int mode)
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{
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if (mkdir(unixname, mode)) {
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char *p=unixname;
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while (NULL != (p=strchr(p+1, '/'))) {
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*p = '\0';
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if (!mkdir(unixname, mode))
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chmod(unixname, mode);
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*p='/';
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}
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if (!mkdir(unixname, mode)) {
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chmod(unixname, mode);
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return(0);
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}
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} else {
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chmod(unixname, mode);
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return(0);
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}
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return(-1);
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}
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int unx_xrmdir(char *unixname)
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/* removes complete directory if possible */
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{
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DIR *d = opendir(unixname);
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if (NULL != d) {
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struct dirent *dirbuff;
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int len = strlen(unixname);
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char *buf = xmalloc(len + 300);
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char *p = buf+len;
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memcpy(buf, unixname, len);
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*p++ = '/';
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while ((dirbuff = readdir(d)) != (struct dirent*)NULL){
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if (dirbuff->d_ino &&
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( dirbuff->d_name[0] != '.'
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|| (dirbuff->d_name[1] != '\0' &&
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(dirbuff->d_name[1] != '.' || dirbuff->d_name[2] != '\0')))) {
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strmaxcpy(p, dirbuff->d_name, 298);
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if (unlink(buf) && unx_xrmdir(buf)) {
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errorp(1, "unx_xrmdir", "cannot remove '%s'", buf);
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break;
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}
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}
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}
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xfree(buf);
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closedir(d);
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}
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return(rmdir(unixname));
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}
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int unx_add_x_rights(char *unixname, int mode)
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/* set x permiss flag in upper (and current) dirs */
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{
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char *p=unixname;
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struct stat stb;
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int result=0;
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while ( (!result) && (NULL != (p=strchr(p+1, '/')))) {
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*p = '\0';
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if ((!stat(unixname, &stb)) && S_ISDIR(stb.st_mode))
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chmod(unixname, stb.st_mode | (0111 & mode) );
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else
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result = -1;
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*p='/';
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}
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if ( (!result) && (!stat(unixname, &stb)) && S_ISDIR(stb.st_mode) )
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chmod(unixname, stb.st_mode | (0111 & mode) );
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return(result);
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}
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#if 0
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int unx_mvdir(uint8 *oldname, uint8 *newname)
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{
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uint8 command[500];
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struct stat statb;
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if (!stat(newname, &statb)) return(EEXIST);
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if (stat(oldname, &statb)) return(-1);
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else if (!S_ISDIR(statb.st_mode)) return(-1);
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snprintf(command, sizeof(command)-1, "mv %s %s 2>&1 >/dev/null" , oldname, newname);
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return(system(command));
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}
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#endif
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int unx_ftruncate(int fd, uint32 size)
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{
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#ifdef LINUX
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return(ftruncate(fd, size));
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#else
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struct flock flockd;
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flockd.l_type = 0;
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flockd.l_whence = SEEK_SET;
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flockd.l_start = size;
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flockd.l_len = 0;
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return(fcntl(fd, F_FREESP, &flockd));
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#endif
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}
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