X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffsusage.c;h=a07618c8c24db10a11a71983229ba34a22f94dba;hb=5bc7f527b9e5cd3789419d04e14fd8534ef396d4;hp=85d3a2f931c7166e110dfd51e57e973cc12626c7;hpb=427baafba11fd333c1e7ab321789fd55a92cafb3;p=gnulib.git diff --git a/lib/fsusage.c b/lib/fsusage.c index 85d3a2f93..a07618c8c 100644 --- a/lib/fsusage.c +++ b/lib/fsusage.c @@ -1,5 +1,7 @@ -/* fsusage.c -- return space usage of mounted filesystems - Copyright (C) 1991, 1992, 1996, 1998, 1999 Free Software Foundation, Inc. +/* fsusage.c -- return space usage of mounted file systems + + Copyright (C) 1991, 1992, 1996, 1998, 1999, 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 @@ -21,10 +23,12 @@ #if HAVE_INTTYPES_H # include -#else -# if HAVE_STDINT_H -# include -# endif +#endif +#if HAVE_STDINT_H +# include +#endif +#if HAVE_UNISTD_H +# include #endif #ifndef UINTMAX_MAX # define UINTMAX_MAX ((uintmax_t) -1) @@ -34,14 +38,7 @@ #include #include "fsusage.h" -#if HAVE_LIMITS_H -# include -#endif -#ifndef CHAR_BIT -# define CHAR_BIT 8 -#endif - -int statfs (); +#include #if HAVE_SYS_PARAM_H # include @@ -59,7 +56,7 @@ int statfs (); # include #endif -#if defined (HAVE_SYS_FILSYS_H) && !defined (_CRAY) +#if defined HAVE_SYS_FILSYS_H && !defined _CRAY # include /* SVR2 */ #endif @@ -77,9 +74,10 @@ int statfs (); #if HAVE_SYS_STATVFS_H /* SVR4 */ # include -int statvfs (); #endif +#include "full-read.h" + /* Many space usage primitives use all 1 bits to denote a value that is not applicable or unknown. Propagate this information by returning a uintmax_t value that is all 1 bits if X is all 1 bits, even if X @@ -104,10 +102,8 @@ int statvfs (); otherwise, use PROPAGATE_ALL_ONES. */ #define PROPAGATE_TOP_BIT(x) ((x) | ~ (EXTRACT_TOP_BIT (x) - 1)) -int safe_read (); - /* Fill in the fields of FSP with information about space usage for - the filesystem on which PATH resides. + the file system on which PATH resides. DISK is the device on which PATH is mounted, for space-getting methods that need to know it. Return 0 if successful, -1 if not. When returning -1, ensure that @@ -162,7 +158,7 @@ get_fs_usage (const char *path, const char *disk, struct fs_usage *fsp) if (fd < 0) return -1; lseek (fd, (off_t) SUPERBOFF, 0); - if (safe_read (fd, (char *) &fsd, sizeof fsd) != sizeof fsd) + if (full_read (fd, (char *) &fsd, sizeof fsd) != sizeof fsd) { close (fd); return -1; @@ -232,7 +228,7 @@ get_fs_usage (const char *path, const char *disk, struct fs_usage *fsp) /* Empirically, the block counts on most SVR3 and SVR3-derived systems seem to always be in terms of 512-byte blocks, no matter what value f_bsize has. */ -# if _AIX || defined(_CRAY) +# if _AIX || defined _CRAY fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_bsize); # else fsp->fsu_blocksize = 512; @@ -254,7 +250,7 @@ get_fs_usage (const char *path, const char *disk, struct fs_usage *fsp) #endif /* STAT_STATVFS */ -#if !defined(STAT_STATFS2_FS_DATA) && !defined(STAT_READ_FILSYS) +#if !defined STAT_STATFS2_FS_DATA && !defined STAT_READ_FILSYS /* !Ultrix && !SVR2 */ fsp->fsu_blocks = PROPAGATE_ALL_ONES (fsd.f_blocks); @@ -269,7 +265,7 @@ get_fs_usage (const char *path, const char *disk, struct fs_usage *fsp) return 0; } -#if defined(_AIX) && defined(_I386) +#if defined _AIX && defined _I386 /* AIX PS/2 does not supply statfs. */ int