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cmp: exit(2) on failure #307

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merged 1 commit into from
Oct 31, 2023
Merged

cmp: exit(2) on failure #307

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10 changes: 5 additions & 5 deletions bin/cmp
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Original file line number Diff line number Diff line change
Expand Up @@ -40,8 +40,8 @@ use strict;
use File::Basename qw(basename);

use constant EX_SUCCESS => 0;
use constant EX_FAILURE => 1;
use constant EX_DIFFERENT => 1;
use constant EX_FAILURE => 2;
use constant EX_USAGE => 2;

use constant ST_INO => 1;
Expand Down Expand Up @@ -114,7 +114,7 @@ if ($stat1[ST_SIZE] == 0 || $stat2[ST_SIZE] == 0) {
warn "$Program: EOF on $file1\n" unless $stat1[ST_SIZE];
warn "$Program: EOF on $file2\n" unless $stat2[ST_SIZE];
}
exit 1;
exit EX_DIFFERENT;
}
}

Expand Down Expand Up @@ -169,9 +169,9 @@ READ: while (defined ($read_in1 = sysread FILE1, $buffer1, $chunk_size)) {
my $report_bytes = $bytes_read + 1 + $_;
if ($volume == 1 ) {
print "$file1 $file2 differ: char $report_bytes, line $report_lines\n";
exit 1;
} elsif ($volume eq 0) {
exit 1;
exit EX_DIFFERENT;
} elsif ($volume == 0) {
exit EX_DIFFERENT;
} else {
$saw_difference ||= 1;
printf "%6d %3o %3o\n", $report_bytes, ord(substr $buffer1,$_,1),
Expand Down