X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffsusage.c;h=82bdd19702d083307fcaa12fbda1908b5acbcd52;hb=63f4e38fff9d2458d63ead4a769cfd3dd3e99490;hp=503b3875ecd69ce210532ad68a9e716a20bf0365;hpb=2f17b5a85fb0021903daea2f4cc0026507e114f2;p=gnulib.git diff --git a/lib/fsusage.c b/lib/fsusage.c index 503b3875e..82bdd1970 100644 --- a/lib/fsusage.c +++ b/lib/fsusage.c @@ -20,6 +20,7 @@ #endif #include +#include #include "fsusage.h" #include "safe-stat.h" @@ -50,7 +51,6 @@ int statfs (); #endif #ifdef HAVE_DUSTAT_H /* AIX PS/2. */ -#include #include #endif @@ -59,6 +59,8 @@ int statfs (); 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. */ @@ -124,7 +126,7 @@ 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; @@ -154,7 +156,7 @@ 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) @@ -162,15 +164,19 @@ 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 -#endif - -#ifdef HAVE_SYS_STATVFS_H /* SVR4. */ +# 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. */ struct statvfs fsd; if (statvfs (path, &fsd) < 0) @@ -202,7 +208,7 @@ 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;