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[__MSDOS__] (dosify): New function.

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(dir_contents_file_exists_p) [__MSDOS__]: Call it on FILENAME and process
the result instead of FILENAME itself.
(file_impossible_p) [__MSDOS__]: Likewise.
Part of MSDOS/GO32 port from DJ Delorie <dj@ctron.com>.
This commit is contained in:
Roland McGrath 1994-07-25 23:01:19 +00:00
parent c8e76a708e
commit 21a1b3b255
1 changed files with 51 additions and 0 deletions
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51
dir.c
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@ -47,6 +47,49 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#define REAL_DIR_ENTRY(dp) (dp->d_ino != 0)
#endif /* POSIX */
#ifdef __MSDOS__
#inlcude <ctype.h>
static char *
dosify (filename)
char *filename;
{
static char dos_filename[14];
char *df;
int i;
if (filename == 0)
return 0;
if (strpbrk (filename, "\"*+,;<=>?[\\]|") != 0)
return filename;
df = dos_filename;
/* First, transform the name part. */
for (i = 0; *filename != '\0' && i < 8 && *filename != '.'; ++i)
*df++ = tolower (*filename++);
/* Now skip to the next dot. */
while (*filename != '\0' && *filename != '.')
++filename;
if (*filename != '\0')
{
*df++ = *filename++;
for (i = 0; *filename != '\0' && i < 3 && *filename != '.'; ++i)
*df++ = tolower (*filename++);
}
/* Look for more dots. */
while (*filename != '\0' && *filename != '.')
++filename;
if (*filename == '.')
return filename;
*df = 0;
return dos_filename;
}
#endif
/* Hash table of directories. */
#ifndef DIRECTORY_BUCKETS
@ -213,6 +256,10 @@ dir_contents_file_exists_p (dir, filename)
/* The directory could not be stat'd or opened. */
return 0;
#ifdef __MSDOS__
filename = dosify (filename);
#endif
hash = 0;
if (filename != 0)
{
@ -404,6 +451,10 @@ file_impossible_p (filename)
/* There are no files entered for this directory. */
return 0;
#ifdef __MSDOS__
p = filename = dosify (p);
#endif
for (hash = 0; *p != '\0'; ++p)
HASH (hash, *p);
hash %= DIRFILE_BUCKETS;