[PATCH 6/7] pipesz: report default size in --help, instead of referring the user

[Benno Schulenberg <bensberg@telfort.nl>]

The man page says where this default size can be found.  In the --help
text it is more useful to directly say what this default size is.

CC: Nathan Sharp <nwsharp@live.com>
Signed-off-by: Benno Schulenberg <bensberg@telfort.nl>
---
 misc-utils/pipesz.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/misc-utils/pipesz.c b/misc-utils/pipesz.c
index 48f07aed7..c317959e4 100644
--- a/misc-utils/pipesz.c
+++ b/misc-utils/pipesz.c
@@ -71,11 +71,8 @@ static void __attribute__((__noreturn__)) usage(void)
 
 	fputs(USAGE_OPTIONS, stdout);
 	fputsln(_(" -g, --get          examine pipe buffers"), stdout);
-	/* TRANSLATORS: '%s' refers to a system file */
 	fprintf(stdout,
-	     _(" -s, --set <size>   set pipe buffer sizes\n"
-	       "                      size defaults to %s\n"),
-		PIPESZ_DEFAULT_SIZE_FILE);
+		_(" -s, --set <size>   the buffer size to be used (default: %u)\n"), opt_size);
 
 	fputs(USAGE_SEPARATOR, stdout);
 	fputsln(_(" -f, --file <path>  act on a file"), stdout);
@@ -232,6 +229,8 @@ int main(int argc, char **argv)
 	while ((c = getopt_long(argc, argv, shortopts, longopts, NULL)) != -1) {
 		switch (c) {
 		case 'h':
+			if (ul_path_read_s32(NULL, &opt_size, PIPESZ_DEFAULT_SIZE_FILE))
+				warn(_("cannot parse %s"), PIPESZ_DEFAULT_SIZE_FILE);
 			usage();
 		case 'V':
 			print_version(EXIT_SUCCESS);
-- 
2.48.1