From 9eecb5e8f3903a6fe66ac88f9218935130e77042 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 18 Mar 1998 09:01:59 +0000 Subject: [PATCH] Update. 1998-03-18 Ulrich Drepper * sysdeps/unix/opendir.c (__opendir): Don't block on FIFOs etc. Optimize memmory handling. * sysdeps/unix/closedir.c: Optmize memory handling. --- ChangeLog | 6 ++++++ posix/wordexp.c | 2 +- sysdeps/unix/closedir.c | 3 +-- sysdeps/unix/opendir.c | 42 ++++++++++++++++++------------------------ 4 files changed, 26 insertions(+), 27 deletions(-) diff --git a/ChangeLog b/ChangeLog index a6d6299..07fd47c 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +1998-03-18 Ulrich Drepper + + * 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 * posix/wordexp.c (parse_param): Fix off-by-on error in $@ diff --git a/posix/wordexp.c b/posix/wordexp.c index 51cdc93..1c69af8 100644 --- a/posix/wordexp.c +++ b/posix/wordexp.c @@ -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; } } diff --git a/sysdeps/unix/closedir.c b/sysdeps/unix/closedir.c index a390318..a63fa53 100644 --- a/sysdeps/unix/closedir.c +++ b/sysdeps/unix/closedir.c @@ -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); diff --git a/sysdeps/unix/opendir.c b/sysdeps/unix/opendir.c index b4e691a..2469917 100644 --- a/sysdeps/unix/opendir.c +++ b/sysdeps/unix/opendir.c @@ -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); -- 2.7.4