[PATCH 05/19] sfdisk: clean up usage() functions

[Sami Kerola <kerolasa@iki.fi>]

Includes removal of unhide usage function, which was never implemented.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---
 fdisks/sfdisk.c | 39 ++++++++++++++++++---------------------
 1 file changed, 18 insertions(+), 21 deletions(-)

diff --git a/fdisks/sfdisk.c b/fdisks/sfdisk.c
index f64f3cd..cac8252 100644
--- a/fdisks/sfdisk.c
+++ b/fdisks/sfdisk.c
@@ -2370,11 +2370,11 @@ read_input(char *dev, int interactive, struct disk_desc *z) {
  */
 static void usage(FILE * out)
 {
-	fputs(_("\nUsage:\n"), out);
+	fputs(USAGE_HEADER, out);
 	fprintf(out,
 		_(" %s [options] <device> [...]\n"),  program_invocation_short_name);
 
-	fputs(_("\nOptions:\n"), out);
+	fputs(USAGE_OPTIONS, out);
 	fputs(_(" -s, --show-size           list size of a partition\n"
 		" -c, --id                  change or print partition Id\n"
 		"     --change-id           change Id\n"
@@ -2421,27 +2421,29 @@ static void usage(FILE * out)
 	fputs(_("\nOverride the detected geometry using:\n"
 		" -C, --cylinders <number>  set the number of cylinders to use\n"
 		" -H, --heads <number>      set the number of heads to use\n"
-		" -S, --sectors <number>    set the number of sectors to use\n\n"), out);
+		" -S, --sectors <number>    set the number of sectors to use\n"), out);
 
+	fprintf(out, USAGE_MAN_TAIL("sfdisk(8)"));
 	exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
 }
 
 static void
-activate_usage(char *progn) {
-    puts(_("Usage:"));
-    printf(_("%s device		 list active partitions on device\n"), progn);
-    printf(_("%s device n1 n2 ... activate partitions n1 ..., inactivate the rest\n"),
-	   progn);
-    printf(_("%s -An device	 activate partition n, inactivate the other ones\n"),
-	   program_invocation_short_name);
+activate_usage(void) {
+    char *p;
+    if (!strcmp(program_invocation_short_name, "activate"))
+	p = " ";
+    else
+	p = " --activate=";
+    fputs(USAGE_HEADER, stderr);
+    fputs(USAGE_SEPARATOR, stderr);
+    fprintf(stderr, _(" %s%sdevice            list active partitions on device\n"),
+	   program_invocation_short_name, p);
+    fprintf(stderr, _(" %s%sdevice n1 n2 ...  activate partitions n1 ..., inactivate the rest\n"),
+	   program_invocation_short_name, p);
+    fprintf(stderr, USAGE_MAN_TAIL("sfdisk(8)"));
     exit(EXIT_FAILURE);
 }
 
-static void
-unhide_usage(char *progn __attribute__ ((__unused__))) {
-    exit(1);
-}
-
 static const char short_opts[] = "cdfghilnqsu:vx1A::C:DGH:I:LN:O:RS:TU::V";
 
 #define PRINT_ID 0400
@@ -2557,7 +2559,6 @@ main(int argc, char **argv) {
     int activate = 0;
     int do_id = 0;
     int unhide = 0;
-    int fdisk = 0;
     char *activatearg = 0;
     char *unhidearg = 0;
 
@@ -2578,8 +2579,6 @@ main(int argc, char **argv) {
     else if (!strcmp(progn, "unhide"))
 	unhide = 1;		/* equivalent to `sfdisk -U' */
 #endif
-    else
-	fdisk = 1;
 
     while ((c = getopt_long(argc, argv, short_opts, long_opts, NULL)) != -1) {
 	switch (c) {
@@ -2742,9 +2741,7 @@ main(int argc, char **argv) {
 
     if (optind == argc) {
 	if (activate)
-	    activate_usage(fdisk ? "sfdisk -A" : progn);
-	else if (unhide)
-	    unhide_usage(fdisk ? "sfdisk -U" : progn);
+	    activate_usage();
 	else
 	    usage(stderr);
     }
-- 
1.8.3