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/*
* HT Editor
* sys.cc
*
* Copyright (C) 1999-2002 Stefan Weyergraf (stefan@weyergraf.de)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "sys.h"
#include <ctype.h>
#include <errno.h>
#include <limits.h>
#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <sys/stat.h>
#include "file.h"
#include "strtools.h"
/*
* COMMON SYS
*/
#ifndef S_IFMT
#define S_IFMT 0xf000
#endif
#ifndef S_ISREG
# ifndef S_IFREG
# define S_ISREG(m) (0)
# else
# define S_ISREG(m) (((m) & S_IFMT)==S_IFREG)
# endif
#endif
#ifndef S_ISBLK
# ifndef S_IFBLK
# define S_ISBLK(m) (0)
# else
# define S_ISBLK(m) (((m) & S_IFMT)==S_IFBLK)
# endif
#endif
#ifndef S_ISCHR
# ifndef S_IFCHR
# define S_ISCHR(m) (0)
# else
# define S_ISCHR(m) (((m) & S_IFMT)==S_IFCHR)
# endif
#endif
#ifndef S_ISDIR
# ifndef S_IFDIR
# define S_ISDIR(m) (0)
# else
# define S_ISDIR(m) (((m) & S_IFMT)==S_IFDIR)
# endif
#endif
#ifndef S_ISFIFO
# ifndef S_IFFIFO
# define S_ISFIFO(m) (0)
# else
# define S_ISFIFO(m) (((m) & S_IFMT)==S_IFFIFO)
# endif
#endif
#ifndef S_ISLNK
# ifndef S_IFLNK
# define S_ISLNK(m) (0)
# else
# define S_ISLNK(m) (((m) & S_IFMT)==S_IFLNK)
# endif
#endif
#ifndef S_ISSOCK
# ifndef S_IFSOCK
# define S_ISSOCK(m) (0)
# else
# define S_ISSOCK(m) (((m) & S_IFMT)==S_IFSOCK)
# endif
#endif
#ifndef S_IRUSR
#define S_IRUSR 0
#endif
#ifndef S_IRGRP
#define S_IRGRP 0
#endif
#ifndef S_IROTH
#define S_IROTH 0
#endif
#ifndef S_IWUSR
#define S_IWUSR 0
#endif
#ifndef S_IWGRP
#define S_IWGRP 0
#endif
#ifndef S_IWOTH
#define S_IWOTH 0
#endif
#ifndef S_IXUSR
#define S_IXUSR 0
#endif
#ifndef S_IXGRP
#define S_IXGRP 0
#endif
#ifndef S_IXOTH
#define S_IXOTH 0
#endif
int sys_ht_mode(int mode)
{
int m = 0;
if (S_ISREG(mode)) {
m |= HT_S_IFREG;
} else if (S_ISBLK(mode)) {
m |= HT_S_IFBLK;
} else if (S_ISCHR(mode)) {
m |= HT_S_IFCHR;
} else if (S_ISDIR(mode)) {
m |= HT_S_IFDIR;
} else if (S_ISFIFO(mode)) {
m |= HT_S_IFFIFO;
} else if (S_ISLNK(mode)) {
m |= HT_S_IFLNK;
} else if (S_ISSOCK(mode)) {
m |= HT_S_IFSOCK;
}
if (mode & S_IRUSR) m |= HT_S_IRUSR;
if (mode & S_IRGRP) m |= HT_S_IRGRP;
if (mode & S_IROTH) m |= HT_S_IROTH;
if (mode & S_IWUSR) m |= HT_S_IWUSR;
if (mode & S_IWGRP) m |= HT_S_IWGRP;
if (mode & S_IWOTH) m |= HT_S_IWOTH;
if (mode & S_IXUSR) m |= HT_S_IXUSR;
if (mode & S_IXGRP) m |= HT_S_IXGRP;
if (mode & S_IXOTH) m |= HT_S_IXOTH;
return m;
}
static char *next_delim(char *s, is_path_delim delim)
{
while (*s) {
s++;
if (delim(*s)) return s;
}
return NULL;
}
static int flatten_path(char *path, is_path_delim delim)
{
if (!path || !*path)
return 0;
char *q = next_delim(path, delim);
int pp = flatten_path(q, delim);
int ll = q ? (q-path-1) : strlen(path)-1;
if ((ll == 2) && (ht_strncmp(path+1, "..", 2) == 0)) {
if (q) memmove(path, q, strlen(q)+1); else *path = 0;
pp++;
} else if ((ll == 1) && (ht_strncmp(path+1, ".", 1) == 0)) {
if (q) memmove(path, q, strlen(q)+1); else *path = 0;
} else if (pp) {
if (q) memmove(path, q, strlen(q)+1); else *path = 0;
pp--;
}
return pp;
}
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