PublicArchive/gnu-coreutils
2
0
Fork 0
mirror of git://git.sv.gnu.org/coreutils synced 2026-06-05 07:12:30 -04:00
Code Issues Packages Projects Releases Wiki Activity

(parse_obsolescent_option): If POSIXLY_CORRECT is set, give

Browse Source 
a diagnostic and fail when there are two or more non-option arguments.
This commit is contained in:
Jim Meyering
1997-07-05 22:50:32 +00:00
parent 573588283f
commit 08f38fd930
1 changed files with 17 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/tail.c
+17 -2
View File
@@ -88,7 +88,7 @@
/* Size of atomic reads. */
#ifndef BUFSIZ
#define BUFSIZ (512 * 8)
# define BUFSIZ (512 * 8)
#endif
/* If nonzero, interpret the numeric argument as the number of lines.
@@ -875,7 +875,8 @@ parse_obsolescent_option (int argc, const char *const *argv,
int t_forever;
/* With the obsolescent form, there is one option string and
(technically) at most one file argument. But we allow two or more. */
(technically) at most one file argument. But we allow two or more
by default. */
if (argc < 2)
return 0;
@@ -978,6 +979,20 @@ parse_obsolescent_option (int argc, const char *const *argv,
{
if (argc > 3)
{
int posix_pedantic = (getenv ("POSIXLY_CORRECT") != NULL);
/* When POSIXLY_CORRECT is set, enforce the `at most one
file argument' requirement. */
if (posix_pedantic)
{
error (0, 0, _("\
too many arguments; When using tail's obsolescent option syntax (%s)\n\
there may be no more than one file argument. Use the equivalent -n or -c\n\
option instead."), argv[1]);
*fail = 1;
return 1;
}
error (0, 0, _("\
Warning: it is not portable to use two or more file arguments with\n\
tail's obsolescent option syntax (%s). Use the equivalent -n or -c\n\