From: Jim Meyering Date: Fri, 27 Jan 1995 17:20:54 +0000 (+0000) Subject: (get_fs_usage, statfs): Use safe_read, and safe_stat rather than X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=849c4387e6e64090599a8980bb76558d242f6c9c;p=pspp (get_fs_usage, statfs): Use safe_read, and safe_stat rather than bare read and stat. --- diff --git a/lib/fsusage.c b/lib/fsusage.c index e0aec2a881..1784d4a2a4 100644 --- a/lib/fsusage.c +++ b/lib/fsusage.c @@ -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; @@ -206,7 +208,7 @@ statfs (path, fsb) struct stat stats; struct dustat fsd; - if (SAFE_STAT (path, &stats)) + if (safe_stat (path, &stats)) return -1; if (dustat (stats.st_dev, 0, &fsd, sizeof (fsd))) return -1;