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cat,nl: fix handling of open errors

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$ cat -n does_not_exist; echo $?
cat: does_not_exist: No such file or directory
1

function                                             old     new   delta
print_numbered_lines                                 118     129     +11
nl_main                                              196     201      +5
cat_main                                             421     425      +4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 20/0)               Total: 20 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2018-11-29 11:44:10 +01:00
parent 75a1c87357
commit c100535571
4 changed files with 18 additions and 7 deletions
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7
coreutils/nl.c
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@@ -58,6 +58,8 @@ int nl_main(int argc UNUSED_PARAM, char **argv)
"number-width\0" Required_argument "w"
;
#endif
int exitcode;
ns.width = 6;
ns.start = 1;
ns.inc = 1;
@@ -72,9 +74,10 @@ int nl_main(int argc UNUSED_PARAM, char **argv)
if (!*argv)
*--argv = (char*)"-";
exitcode = EXIT_SUCCESS;
do {
print_numbered_lines(&ns, *argv);
exitcode |= print_numbered_lines(&ns, *argv);
} while (*++argv);
fflush_stdout_and_exit(EXIT_SUCCESS);
fflush_stdout_and_exit(exitcode);
}