X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffsusage.c;h=2c1c7f0e24b50ce6218bfd5c609d613637a20041;hb=c89f48f01f6047b50c1ed3c981901f620ec98f6a;hp=9bef62aba72966d14b07ca07c5bdec41847cf896;hpb=300424a2d37b17d304be2783ed40f2efa4d950c0;p=gnulib.git diff --git a/lib/fsusage.c b/lib/fsusage.c index 9bef62aba..2c1c7f0e2 100644 --- a/lib/fsusage.c +++ b/lib/fsusage.c @@ -20,48 +20,46 @@ #endif #include +#include #include "fsusage.h" -#include "safe-stat.h" int statfs (); -#if defined (STAT_STATFS3_OSF1) /* DEC Alpha running OSF/1 */ -# include +#ifdef HAVE_SYS_PARAM_H +#include #endif -#if defined(STAT_STATFS2_BSIZE) && !defined(_IBMR2) /* 4.3BSD, SunOS 4, HP-UX, AIX PS/2. */ -#include +#ifdef HAVE_SYS_MOUNT_H +#include #endif -#ifdef STAT_STATFS2_FSIZE /* 4.4BSD. */ -#include +#ifdef HAVE_SYS_VFS_H +#include #endif -#ifdef STAT_STATFS2_FS_DATA /* Ultrix. */ -#include -#include +#ifdef HAVE_SYS_FILSYS_H +#include /* SVR2. */ #endif -#ifdef STAT_READ /* SVR2. */ -#include -#include +#ifdef HAVE_FCNTL_H #include #endif -#if defined(STAT_STATFS4) || (defined(_AIX) && defined(_IBMR2)) /* SVR3, Dynix, Irix, AIX RS6000. */ +#ifdef HAVE_SYS_STATFS_H #include #endif -#if defined(_AIX) && defined(_I386) /* AIX PS/2. */ -#include +#ifdef HAVE_DUSTAT_H /* AIX PS/2. */ #include #endif -#ifdef STAT_STATVFS /* SVR4. */ +#ifdef HAVE_SYS_STATVFS_H /* SVR4. */ #include int statvfs (); #endif +int safe_read (); + /* Return the number of TOSIZE-byte blocks used by BLOCKS FROMSIZE-byte blocks, rounding away from zero. TOSIZE must be positive. Return -1 if FROMSIZE is not positive. */ @@ -116,7 +114,7 @@ get_fs_usage (path, disk, fsp) fsp->fsu_ffree = fsd.fd_req.gfree; #endif -#ifdef STAT_READ /* SVR2. */ +#ifdef STAT_READ_FILSYS /* SVR2. */ #ifndef SUPERBOFF #define SUPERBOFF (SUPERB * 512) #endif @@ -127,7 +125,7 @@ get_fs_usage (path, disk, fsp) if (fd < 0) return -1; lseek (fd, (long) SUPERBOFF, 0); - if (read (fd, (char *) &fsd, sizeof fsd) != sizeof fsd) + if (safe_read (fd, (char *) &fsd, sizeof fsd) != sizeof fsd) { close (fd); return -1; @@ -157,7 +155,7 @@ get_fs_usage (path, disk, fsp) #define CONVERT_BLOCKS(b) adjust_blocks ((b), fsd.f_fsize, 512) #endif -#ifdef STAT_STATFS4 /* SVR3, Dynix, Irix. */ +#ifdef STAT_STATFS4 /* SVR3, Dynix, Irix, AIX. */ struct statfs fsd; if (statfs (path, &fsd, sizeof fsd, 0) < 0) @@ -165,12 +163,16 @@ get_fs_usage (path, disk, 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. */ -#define CONVERT_BLOCKS(b) (b) -#ifndef _SEQUENT_ /* _SEQUENT_ is DYNIX/ptx. */ -#ifndef DOLPHIN /* DOLPHIN 3.8.alfa/7.18 has f_bavail */ -#define f_bavail f_bfree -#endif -#endif +# if _AIX +# define CONVERT_BLOCKS(b) adjust_blocks ((b), fsd.f_bsize, 512) +# else +# define CONVERT_BLOCKS(b) (b) +# ifndef _SEQUENT_ /* _SEQUENT_ is DYNIX/ptx. */ +# ifndef DOLPHIN /* DOLPHIN 3.8.alfa/7.18 has f_bavail */ +# define f_bavail f_bfree +# endif +# endif +# endif #endif #ifdef STAT_STATVFS /* SVR4. */ @@ -183,7 +185,7 @@ get_fs_usage (path, disk, fsp) adjust_blocks ((b), fsd.f_frsize ? fsd.f_frsize : fsd.f_bsize, 512) #endif -#if !defined(STAT_STATFS2_FS_DATA) && !defined(STAT_READ) /* !Ultrix && !SVR2. */ +#if !defined(STAT_STATFS2_FS_DATA) && !defined(STAT_READ_FILSYS) /* !Ultrix && !SVR2. */ fsp->fsu_blocks = CONVERT_BLOCKS (fsd.f_blocks); fsp->fsu_bfree = CONVERT_BLOCKS (fsd.f_bfree); fsp->fsu_bavail = CONVERT_BLOCKS (fsd.f_bavail); @@ -205,7 +207,7 @@ statfs (path, fsb) struct stat stats; struct dustat fsd; - if (SAFE_STAT (path, &stats)) + if (stat (path, &stats)) return -1; if (dustat (stats.st_dev, 0, &fsd, sizeof (fsd))) return -1;