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(get_fs_usage, statfs): Use safe_read, and safe_stat rather than

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bare read and stat.
This commit is contained in:
Jim Meyering 1995-01-27 17:20:54 +00:00
parent 7ccb88fbc5
commit fedcb63136
1 changed files with 4 additions and 2 deletions
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6
lib/fsusage.c
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@ -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;