1998-03-18  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/opendir.c (__opendir): Don't block on FIFOs etc.
	Optimize memmory handling.
	* sysdeps/unix/closedir.c: Optmize memory handling.
This commit is contained in:
Ulrich Drepper 1998-03-18 09:01:59 +00:00
parent 4886901212
commit 9eecb5e8f3
4 changed files with 26 additions and 27 deletions

View File

@ -1,3 +1,9 @@
1998-03-18 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/opendir.c (__opendir): Don't block on FIFOs etc.
Optimize memmory handling.
* sysdeps/unix/closedir.c: Optmize memory handling.
1998-03-17 Ulrich Drepper <drepper@cygnus.com>
* posix/wordexp.c (parse_param): Fix off-by-on error in $@

View File

@ -1377,7 +1377,7 @@ envsubst:
if (s == NULL)
return WRDE_NOSPACE;
*word = memcpy (s, __libc_argv[p], len);
*max_length = *word_length = len;
*max_length = *word_length = len - 1;
}
}

View File

@ -1,4 +1,4 @@
/* Copyright (C) 1991, 1993, 1995, 1996 Free Software Foundation, Inc.
/* Copyright (C) 1991, 1993, 1995, 1996, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -39,7 +39,6 @@ __closedir (DIR *dirp)
__libc_lock_lock (dirp->lock);
fd = dirp->fd;
free ((void *) dirp->data);
__libc_lock_fini (dirp->lock);

View File

@ -1,4 +1,4 @@
/* Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
/* Copyright (C) 1991, 92, 93, 94, 95, 96, 98 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -36,6 +36,8 @@ __opendir (const char *name)
DIR *dirp;
struct stat statbuf;
int fd;
size_t allocation;
int save_errno;
if (name[0] == '\0')
{
@ -45,7 +47,7 @@ __opendir (const char *name)
return NULL;
}
fd = __open (name, O_RDONLY);
fd = __open (name, O_RDONLY|O_NDELAY);
if (fd < 0)
return NULL;
@ -56,39 +58,31 @@ __opendir (const char *name)
goto lose;
if (! S_ISDIR (statbuf.st_mode))
{
__set_errno (ENOTDIR);
goto lose;
}
dirp = (DIR *) calloc (1, sizeof (DIR)); /* Zero-fill. */
if (dirp == NULL)
lose:
{
int save = errno;
(void) __close (fd);
__set_errno (save);
return NULL;
save_errno = ENOTDIR;
goto lose2;
}
#ifdef _STATBUF_ST_BLKSIZE
if (statbuf.st_blksize < sizeof (struct dirent))
dirp->allocation = sizeof (struct dirent);
allocation = sizeof (struct dirent);
else
dirp->allocation = statbuf.st_blksize;
allocation = statbuf.st_blksize;
#else
dirp->allocation = (BUFSIZ < sizeof (struct dirent) ?
sizeof (struct dirent) : BUFSIZ);
allocation = (BUFSIZ < sizeof (struct dirent)
? sizeof (struct dirent) : BUFSIZ);
#endif
dirp->data = (char *) malloc (dirp->allocation);
if (dirp->data == NULL)
dirp = (DIR *) calloc (1, sizeof (DIR) + allocation); /* Zero-fill. */
if (dirp == NULL)
lose:
{
int save = errno;
free (dirp);
save_errno = errno;
lose2:
(void) __close (fd);
__set_errno (save);
__set_errno (save_errno);
return NULL;
}
dirp->data = (char *) (dirp + 1);
dirp->fd = fd;
__libc_lock_init (dirp->lock);