714 lines
19 KiB
C
714 lines
19 KiB
C
/* $NetBSD: filesys.c,v 1.1.1.6 2008/09/02 07:49:37 christos Exp $ */
|
||
|
||
/* filesys.c -- filesystem specific functions.
|
||
Id: filesys.c,v 1.6 2004/07/30 17:17:40 karl Exp
|
||
|
||
Copyright (C) 1993, 1997, 1998, 2000, 2002, 2003, 2004 Free Software
|
||
Foundation, Inc.
|
||
|
||
This program is free software; you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation; either version 2, or (at your option)
|
||
any later version.
|
||
|
||
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||
|
||
Written by Brian Fox (bfox@ai.mit.edu). */
|
||
|
||
#include "info.h"
|
||
|
||
#include "tilde.h"
|
||
#include "filesys.h"
|
||
|
||
/* Local to this file. */
|
||
static char *info_file_in_path (char *filename, char *path);
|
||
static char *lookup_info_filename (char *filename);
|
||
static char *info_absolute_file (char *fname);
|
||
|
||
static void remember_info_filename (char *filename, char *expansion);
|
||
static void maybe_initialize_infopath (void);
|
||
|
||
typedef struct
|
||
{
|
||
char *suffix;
|
||
char *decompressor;
|
||
} COMPRESSION_ALIST;
|
||
|
||
static char *info_suffixes[] = {
|
||
".info",
|
||
"-info",
|
||
"/index",
|
||
".inf", /* 8+3 file on filesystem which supports long file names */
|
||
#ifdef __MSDOS__
|
||
/* 8+3 file names strike again... */
|
||
".in", /* for .inz, .igz etc. */
|
||
".i",
|
||
#endif
|
||
"",
|
||
NULL
|
||
};
|
||
|
||
static COMPRESSION_ALIST compress_suffixes[] = {
|
||
{ ".gz", "gunzip" },
|
||
{ ".bz2", "bunzip2" },
|
||
{ ".z", "gunzip" },
|
||
{ ".Z", "uncompress" },
|
||
{ ".Y", "unyabba" },
|
||
#ifdef __MSDOS__
|
||
{ "gz", "gunzip" },
|
||
{ "z", "gunzip" },
|
||
#endif
|
||
{ (char *)NULL, (char *)NULL }
|
||
};
|
||
|
||
/* The path on which we look for info files. You can initialize this
|
||
from the environment variable INFOPATH if there is one, or you can
|
||
call info_add_path () to add paths to the beginning or end of it.
|
||
You can call zap_infopath () to make the path go away. */
|
||
char *infopath = (char *)NULL;
|
||
static int infopath_size = 0;
|
||
|
||
/* Expand the filename in PARTIAL to make a real name for this operating
|
||
system. This looks in INFO_PATHS in order to find the correct file.
|
||
If it can't find the file, it returns NULL. */
|
||
static char *local_temp_filename = (char *)NULL;
|
||
static int local_temp_filename_size = 0;
|
||
|
||
char *
|
||
info_find_fullpath (char *partial)
|
||
{
|
||
int initial_character;
|
||
char *temp;
|
||
|
||
filesys_error_number = 0;
|
||
|
||
maybe_initialize_infopath ();
|
||
|
||
if (partial && (initial_character = *partial))
|
||
{
|
||
char *expansion;
|
||
|
||
expansion = lookup_info_filename (partial);
|
||
|
||
if (expansion)
|
||
return (expansion);
|
||
|
||
/* If we have the full path to this file, we still may have to add
|
||
various extensions to it. I guess we have to stat this file
|
||
after all. */
|
||
if (IS_ABSOLUTE (partial))
|
||
temp = info_absolute_file (partial);
|
||
else if (initial_character == '~')
|
||
{
|
||
expansion = tilde_expand_word (partial);
|
||
if (IS_ABSOLUTE (expansion))
|
||
{
|
||
temp = info_absolute_file (expansion);
|
||
free (expansion);
|
||
}
|
||
else
|
||
temp = expansion;
|
||
}
|
||
else if (initial_character == '.' &&
|
||
(IS_SLASH (partial[1]) ||
|
||
(partial[1] == '.' && IS_SLASH (partial[2]))))
|
||
{
|
||
if (local_temp_filename_size < 1024)
|
||
local_temp_filename = (char *)xrealloc
|
||
(local_temp_filename, (local_temp_filename_size = 1024));
|
||
#if defined (HAVE_GETCWD)
|
||
if (!getcwd (local_temp_filename, local_temp_filename_size))
|
||
#else /* !HAVE_GETCWD */
|
||
if (!getwd (local_temp_filename))
|
||
#endif /* !HAVE_GETCWD */
|
||
{
|
||
filesys_error_number = errno;
|
||
return (partial);
|
||
}
|
||
|
||
strcat (local_temp_filename, "/");
|
||
strcat (local_temp_filename, partial);
|
||
temp = info_absolute_file (local_temp_filename); /* try extensions */
|
||
if (!temp)
|
||
partial = local_temp_filename;
|
||
}
|
||
else
|
||
temp = info_file_in_path (partial, infopath);
|
||
|
||
if (temp)
|
||
{
|
||
remember_info_filename (partial, temp);
|
||
if (strlen (temp) > (unsigned int) local_temp_filename_size)
|
||
local_temp_filename = (char *) xrealloc
|
||
(local_temp_filename,
|
||
(local_temp_filename_size = (50 + strlen (temp))));
|
||
strcpy (local_temp_filename, temp);
|
||
free (temp);
|
||
return (local_temp_filename);
|
||
}
|
||
}
|
||
return (partial);
|
||
}
|
||
|
||
/* Scan the list of directories in PATH looking for FILENAME. If we find
|
||
one that is a regular file, return it as a new string. Otherwise, return
|
||
a NULL pointer. */
|
||
static char *
|
||
info_file_in_path (char *filename, char *path)
|
||
{
|
||
struct stat finfo;
|
||
char *temp_dirname;
|
||
int statable, dirname_index;
|
||
|
||
/* Reject ridiculous cases up front, to prevent infinite recursion
|
||
later on. E.g., someone might say "info '(.)foo'"... */
|
||
if (!*filename || STREQ (filename, ".") || STREQ (filename, ".."))
|
||
return NULL;
|
||
|
||
dirname_index = 0;
|
||
|
||
while ((temp_dirname = extract_colon_unit (path, &dirname_index)))
|
||
{
|
||
register int i, pre_suffix_length;
|
||
char *temp;
|
||
|
||
/* Expand a leading tilde if one is present. */
|
||
if (*temp_dirname == '~')
|
||
{
|
||
char *expanded_dirname;
|
||
|
||
expanded_dirname = tilde_expand_word (temp_dirname);
|
||
free (temp_dirname);
|
||
temp_dirname = expanded_dirname;
|
||
}
|
||
|
||
temp = (char *)xmalloc (30 + strlen (temp_dirname) + strlen (filename));
|
||
strcpy (temp, temp_dirname);
|
||
if (!IS_SLASH (temp[(strlen (temp)) - 1]))
|
||
strcat (temp, "/");
|
||
strcat (temp, filename);
|
||
|
||
pre_suffix_length = strlen (temp);
|
||
|
||
free (temp_dirname);
|
||
|
||
for (i = 0; info_suffixes[i]; i++)
|
||
{
|
||
strcpy (temp + pre_suffix_length, info_suffixes[i]);
|
||
|
||
statable = (stat (temp, &finfo) == 0);
|
||
|
||
/* If we have found a regular file, then use that. Else, if we
|
||
have found a directory, look in that directory for this file. */
|
||
if (statable)
|
||
{
|
||
if (S_ISREG (finfo.st_mode))
|
||
{
|
||
return (temp);
|
||
}
|
||
else if (S_ISDIR (finfo.st_mode))
|
||
{
|
||
char *newpath, *filename_only, *newtemp;
|
||
|
||
newpath = xstrdup (temp);
|
||
filename_only = filename_non_directory (filename);
|
||
newtemp = info_file_in_path (filename_only, newpath);
|
||
|
||
free (newpath);
|
||
if (newtemp)
|
||
{
|
||
free (temp);
|
||
return (newtemp);
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/* Add various compression suffixes to the name to see if
|
||
the file is present in compressed format. */
|
||
register int j, pre_compress_suffix_length;
|
||
|
||
pre_compress_suffix_length = strlen (temp);
|
||
|
||
for (j = 0; compress_suffixes[j].suffix; j++)
|
||
{
|
||
strcpy (temp + pre_compress_suffix_length,
|
||
compress_suffixes[j].suffix);
|
||
|
||
statable = (stat (temp, &finfo) == 0);
|
||
if (statable && (S_ISREG (finfo.st_mode)))
|
||
return (temp);
|
||
}
|
||
}
|
||
}
|
||
free (temp);
|
||
}
|
||
return ((char *)NULL);
|
||
}
|
||
|
||
/* Assume FNAME is an absolute file name, and check whether it is
|
||
a regular file. If it is, return it as a new string; otherwise
|
||
return a NULL pointer. We do it by taking the file name apart
|
||
into its directory and basename parts, and calling info_file_in_path.*/
|
||
static char *
|
||
info_absolute_file (char *fname)
|
||
{
|
||
char *containing_dir = xstrdup (fname);
|
||
char *base = filename_non_directory (containing_dir);
|
||
|
||
if (base > containing_dir)
|
||
base[-1] = '\0';
|
||
|
||
return info_file_in_path (filename_non_directory (fname), containing_dir);
|
||
}
|
||
|
||
|
||
/* Given a string containing units of information separated by the
|
||
PATH_SEP character, return the next one after IDX, or NULL if there
|
||
are no more. Advance IDX to the character after the colon. */
|
||
|
||
char *
|
||
extract_colon_unit (char *string, int *idx)
|
||
{
|
||
unsigned int i = (unsigned int) *idx;
|
||
unsigned int start = i;
|
||
|
||
if (!string || i >= strlen (string))
|
||
return NULL;
|
||
|
||
if (!string[i]) /* end of string */
|
||
return NULL;
|
||
|
||
/* Advance to next PATH_SEP. */
|
||
while (string[i] && string[i] != PATH_SEP[0])
|
||
i++;
|
||
|
||
{
|
||
char *value = xmalloc ((i - start) + 1);
|
||
strncpy (value, &string[start], (i - start));
|
||
value[i - start] = 0;
|
||
|
||
i++; /* move past PATH_SEP */
|
||
*idx = i;
|
||
return value;
|
||
}
|
||
}
|
||
|
||
/* A structure which associates a filename with its expansion. */
|
||
typedef struct
|
||
{
|
||
char *filename;
|
||
char *expansion;
|
||
} FILENAME_LIST;
|
||
|
||
/* An array of remembered arguments and results. */
|
||
static FILENAME_LIST **names_and_files = (FILENAME_LIST **)NULL;
|
||
static int names_and_files_index = 0;
|
||
static int names_and_files_slots = 0;
|
||
|
||
/* Find the result for having already called info_find_fullpath () with
|
||
FILENAME. */
|
||
static char *
|
||
lookup_info_filename (char *filename)
|
||
{
|
||
if (filename && names_and_files)
|
||
{
|
||
register int i;
|
||
for (i = 0; names_and_files[i]; i++)
|
||
{
|
||
if (FILENAME_CMP (names_and_files[i]->filename, filename) == 0)
|
||
return (names_and_files[i]->expansion);
|
||
}
|
||
}
|
||
return (char *)NULL;;
|
||
}
|
||
|
||
/* Add a filename and its expansion to our list. */
|
||
static void
|
||
remember_info_filename (char *filename, char *expansion)
|
||
{
|
||
FILENAME_LIST *new;
|
||
|
||
if (names_and_files_index + 2 > names_and_files_slots)
|
||
{
|
||
int alloc_size;
|
||
names_and_files_slots += 10;
|
||
|
||
alloc_size = names_and_files_slots * sizeof (FILENAME_LIST *);
|
||
|
||
names_and_files =
|
||
(FILENAME_LIST **) xrealloc (names_and_files, alloc_size);
|
||
}
|
||
|
||
new = (FILENAME_LIST *)xmalloc (sizeof (FILENAME_LIST));
|
||
new->filename = xstrdup (filename);
|
||
new->expansion = expansion ? xstrdup (expansion) : (char *)NULL;
|
||
|
||
names_and_files[names_and_files_index++] = new;
|
||
names_and_files[names_and_files_index] = (FILENAME_LIST *)NULL;
|
||
}
|
||
|
||
static void
|
||
maybe_initialize_infopath (void)
|
||
{
|
||
if (!infopath_size)
|
||
{
|
||
infopath = (char *)
|
||
xmalloc (infopath_size = (1 + strlen (DEFAULT_INFOPATH)));
|
||
|
||
strcpy (infopath, DEFAULT_INFOPATH);
|
||
}
|
||
}
|
||
|
||
/* Add PATH to the list of paths found in INFOPATH. 2nd argument says
|
||
whether to put PATH at the front or end of INFOPATH. */
|
||
void
|
||
info_add_path (char *path, int where)
|
||
{
|
||
int len;
|
||
|
||
if (!infopath)
|
||
{
|
||
infopath = (char *)xmalloc (infopath_size = 200 + strlen (path));
|
||
infopath[0] = '\0';
|
||
}
|
||
|
||
len = strlen (path) + strlen (infopath);
|
||
|
||
if (len + 2 >= infopath_size)
|
||
infopath = (char *)xrealloc (infopath, (infopath_size += (2 * len) + 2));
|
||
|
||
if (!*infopath)
|
||
strcpy (infopath, path);
|
||
else if (where == INFOPATH_APPEND)
|
||
{
|
||
strcat (infopath, PATH_SEP);
|
||
strcat (infopath, path);
|
||
}
|
||
else if (where == INFOPATH_PREPEND)
|
||
{
|
||
char *temp = xstrdup (infopath);
|
||
strcpy (infopath, path);
|
||
strcat (infopath, PATH_SEP);
|
||
strcat (infopath, temp);
|
||
free (temp);
|
||
}
|
||
}
|
||
|
||
/* Make INFOPATH have absolutely nothing in it. */
|
||
void
|
||
zap_infopath (void)
|
||
{
|
||
if (infopath)
|
||
free (infopath);
|
||
|
||
infopath = (char *)NULL;
|
||
infopath_size = 0;
|
||
}
|
||
|
||
/* Given a chunk of text and its length, convert all CRLF pairs at every
|
||
end-of-line into a single Newline character. Return the length of
|
||
produced text.
|
||
|
||
This is required because the rest of code is too entrenched in having
|
||
a single newline at each EOL; in particular, searching for various
|
||
Info headers and cookies can become extremely tricky if that assumption
|
||
breaks.
|
||
|
||
FIXME: this could also support Mac-style text files with a single CR
|
||
at the EOL, but what about random CR characters in non-Mac files? Can
|
||
we afford converting them into newlines as well? Maybe implement some
|
||
heuristics here, like in Emacs 20.
|
||
|
||
FIXME: is it a good idea to show the EOL type on the modeline? */
|
||
long
|
||
convert_eols (char *text, long int textlen)
|
||
{
|
||
register char *s = text;
|
||
register char *d = text;
|
||
|
||
while (textlen--)
|
||
{
|
||
if (*s == '\r' && textlen && s[1] == '\n')
|
||
{
|
||
s++;
|
||
textlen--;
|
||
}
|
||
*d++ = *s++;
|
||
}
|
||
|
||
return (long)(d - text);
|
||
}
|
||
|
||
/* Read the contents of PATHNAME, returning a buffer with the contents of
|
||
that file in it, and returning the size of that buffer in FILESIZE.
|
||
FINFO is a stat struct which has already been filled in by the caller.
|
||
If the file turns out to be compressed, set IS_COMPRESSED to non-zero.
|
||
If the file cannot be read, return a NULL pointer. */
|
||
char *
|
||
filesys_read_info_file (char *pathname, long int *filesize,
|
||
struct stat *finfo, int *is_compressed)
|
||
{
|
||
long st_size;
|
||
|
||
*filesize = filesys_error_number = 0;
|
||
|
||
if (compressed_filename_p (pathname))
|
||
{
|
||
*is_compressed = 1;
|
||
return (filesys_read_compressed (pathname, filesize));
|
||
}
|
||
else
|
||
{
|
||
int descriptor;
|
||
char *contents;
|
||
|
||
*is_compressed = 0;
|
||
descriptor = open (pathname, O_RDONLY | O_BINARY, 0666);
|
||
|
||
/* If the file couldn't be opened, give up. */
|
||
if (descriptor < 0)
|
||
{
|
||
filesys_error_number = errno;
|
||
return ((char *)NULL);
|
||
}
|
||
|
||
/* Try to read the contents of this file. */
|
||
st_size = (long) finfo->st_size;
|
||
contents = (char *)xmalloc (1 + st_size);
|
||
if ((read (descriptor, contents, st_size)) != st_size)
|
||
{
|
||
filesys_error_number = errno;
|
||
close (descriptor);
|
||
free (contents);
|
||
return ((char *)NULL);
|
||
}
|
||
|
||
close (descriptor);
|
||
|
||
/* Convert any DOS-style CRLF EOLs into Unix-style NL.
|
||
Seems like a good idea to have even on Unix, in case the Info
|
||
files are coming from some Windows system across a network. */
|
||
*filesize = convert_eols (contents, st_size);
|
||
|
||
/* EOL conversion can shrink the text quite a bit. We don't
|
||
want to waste storage. */
|
||
if (*filesize < st_size)
|
||
contents = (char *)xrealloc (contents, 1 + *filesize);
|
||
contents[*filesize] = '\0';
|
||
|
||
return (contents);
|
||
}
|
||
}
|
||
|
||
/* Typically, pipe buffers are 4k. */
|
||
#define BASIC_PIPE_BUFFER (4 * 1024)
|
||
|
||
/* We use some large multiple of that. */
|
||
#define FILESYS_PIPE_BUFFER_SIZE (16 * BASIC_PIPE_BUFFER)
|
||
|
||
char *
|
||
filesys_read_compressed (char *pathname, long int *filesize)
|
||
{
|
||
FILE *stream;
|
||
char *command, *decompressor;
|
||
char *contents = (char *)NULL;
|
||
|
||
*filesize = filesys_error_number = 0;
|
||
|
||
decompressor = filesys_decompressor_for_file (pathname);
|
||
|
||
if (!decompressor)
|
||
return ((char *)NULL);
|
||
|
||
command = (char *)xmalloc (15 + strlen (pathname) + strlen (decompressor));
|
||
/* Explicit .exe suffix makes the diagnostics of `popen'
|
||
better on systems where COMMAND.COM is the stock shell. */
|
||
sprintf (command, "%s%s < %s",
|
||
decompressor, STRIP_DOT_EXE ? ".exe" : "", pathname);
|
||
|
||
#if !defined (BUILDING_LIBRARY)
|
||
if (info_windows_initialized_p)
|
||
{
|
||
char *temp;
|
||
|
||
temp = (char *)xmalloc (5 + strlen (command));
|
||
sprintf (temp, "%s...", command);
|
||
message_in_echo_area ("%s", temp, NULL);
|
||
free (temp);
|
||
}
|
||
#endif /* !BUILDING_LIBRARY */
|
||
|
||
stream = popen (command, FOPEN_RBIN);
|
||
free (command);
|
||
|
||
/* Read chunks from this file until there are none left to read. */
|
||
if (stream)
|
||
{
|
||
long offset, size;
|
||
char *chunk;
|
||
|
||
offset = size = 0;
|
||
chunk = (char *)xmalloc (FILESYS_PIPE_BUFFER_SIZE);
|
||
|
||
while (1)
|
||
{
|
||
int bytes_read;
|
||
|
||
bytes_read = fread (chunk, 1, FILESYS_PIPE_BUFFER_SIZE, stream);
|
||
|
||
if (bytes_read + offset >= size)
|
||
contents = (char *)xrealloc
|
||
(contents, size += (2 * FILESYS_PIPE_BUFFER_SIZE));
|
||
|
||
memcpy (contents + offset, chunk, bytes_read);
|
||
offset += bytes_read;
|
||
if (bytes_read != FILESYS_PIPE_BUFFER_SIZE)
|
||
break;
|
||
}
|
||
|
||
free (chunk);
|
||
if (pclose (stream) == -1)
|
||
{
|
||
if (contents)
|
||
free (contents);
|
||
contents = (char *)NULL;
|
||
filesys_error_number = errno;
|
||
}
|
||
else
|
||
{
|
||
*filesize = convert_eols (contents, offset);
|
||
contents = (char *)xrealloc (contents, 1 + *filesize);
|
||
contents[*filesize] = '\0';
|
||
}
|
||
}
|
||
else
|
||
{
|
||
filesys_error_number = errno;
|
||
}
|
||
|
||
#if !defined (BUILDING_LIBARARY)
|
||
if (info_windows_initialized_p)
|
||
unmessage_in_echo_area ();
|
||
#endif /* !BUILDING_LIBRARY */
|
||
return (contents);
|
||
}
|
||
|
||
/* Return non-zero if FILENAME belongs to a compressed file. */
|
||
int
|
||
compressed_filename_p (char *filename)
|
||
{
|
||
char *decompressor;
|
||
|
||
/* Find the final extension of this filename, and see if it matches one
|
||
of our known ones. */
|
||
decompressor = filesys_decompressor_for_file (filename);
|
||
|
||
if (decompressor)
|
||
return (1);
|
||
else
|
||
return (0);
|
||
}
|
||
|
||
/* Return the command string that would be used to decompress FILENAME. */
|
||
char *
|
||
filesys_decompressor_for_file (char *filename)
|
||
{
|
||
register int i;
|
||
char *extension = (char *)NULL;
|
||
|
||
/* Find the final extension of FILENAME, and see if it appears in our
|
||
list of known compression extensions. */
|
||
for (i = strlen (filename) - 1; i > 0; i--)
|
||
if (filename[i] == '.')
|
||
{
|
||
extension = filename + i;
|
||
break;
|
||
}
|
||
|
||
if (!extension)
|
||
return ((char *)NULL);
|
||
|
||
for (i = 0; compress_suffixes[i].suffix; i++)
|
||
if (FILENAME_CMP (extension, compress_suffixes[i].suffix) == 0)
|
||
return (compress_suffixes[i].decompressor);
|
||
|
||
#if defined (__MSDOS__)
|
||
/* If no other suffix matched, allow any extension which ends
|
||
with `z' to be decompressed by gunzip. Due to limited 8+3 DOS
|
||
file namespace, we can expect many such cases, and supporting
|
||
every weird suffix thus produced would be a pain. */
|
||
if (extension[strlen (extension) - 1] == 'z' ||
|
||
extension[strlen (extension) - 1] == 'Z')
|
||
return "gunzip";
|
||
#endif
|
||
|
||
return ((char *)NULL);
|
||
}
|
||
|
||
/* The number of the most recent file system error. */
|
||
int filesys_error_number = 0;
|
||
|
||
/* A function which returns a pointer to a static buffer containing
|
||
an error message for FILENAME and ERROR_NUM. */
|
||
static char *errmsg_buf = (char *)NULL;
|
||
static int errmsg_buf_size = 0;
|
||
|
||
char *
|
||
filesys_error_string (char *filename, int error_num)
|
||
{
|
||
int len;
|
||
char *result;
|
||
|
||
if (error_num == 0)
|
||
return ((char *)NULL);
|
||
|
||
result = strerror (error_num);
|
||
|
||
len = 4 + strlen (filename) + strlen (result);
|
||
if (len >= errmsg_buf_size)
|
||
errmsg_buf = (char *)xrealloc (errmsg_buf, (errmsg_buf_size = 2 + len));
|
||
|
||
sprintf (errmsg_buf, "%s: %s", filename, result);
|
||
return (errmsg_buf);
|
||
}
|
||
|
||
|
||
/* Check for "dir" with all the possible info and compression suffixes,
|
||
in combination. */
|
||
|
||
int
|
||
is_dir_name (char *filename)
|
||
{
|
||
unsigned i;
|
||
|
||
for (i = 0; info_suffixes[i]; i++)
|
||
{
|
||
unsigned c;
|
||
char trydir[50];
|
||
strcpy (trydir, "dir");
|
||
strcat (trydir, info_suffixes[i]);
|
||
|
||
if (strcasecmp (filename, trydir) == 0)
|
||
return 1;
|
||
|
||
for (c = 0; compress_suffixes[c].suffix; c++)
|
||
{
|
||
char dir_compressed[50]; /* can be short */
|
||
strcpy (dir_compressed, trydir);
|
||
strcat (dir_compressed, compress_suffixes[c].suffix);
|
||
if (strcasecmp (filename, dir_compressed) == 0)
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
return 0;
|
||
}
|