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For any given subcommand allow to specify multi-line usage (separated by \n).

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Submitted by:	Mel Flynn
This commit is contained in:
Pawel Jakub Dawidek 2009-09-06 06:48:50 +00:00
parent d134008aa0
commit 963feac4e9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=196877
1 changed files with 12 additions and 2 deletions
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14
sbin/geom/core/geom.c
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@ -98,11 +98,21 @@ usage_command(struct g_command *cmd, const char *prefix)
struct g_option *opt;
unsigned i;
fprintf(stderr, "%s %s %s", prefix, comm, cmd->gc_name);
if (cmd->gc_usage != NULL) {
fprintf(stderr, " %s\n", cmd->gc_usage);
char *pos, *ptr, *sptr;
sptr = ptr = strdup(cmd->gc_usage);
while ((pos = strsep(&ptr, "\n")) != NULL) {
if (*pos == '\0')
continue;
fprintf(stderr, "%s %s %s %s\n", prefix, comm,
cmd->gc_name, pos);
}
free(sptr);
return;
}
fprintf(stderr, "%s %s %s", prefix, comm, cmd->gc_name);
if ((cmd->gc_flags & G_FLAG_VERBOSE) != 0)
fprintf(stderr, " [-v]");
for (i = 0; ; i++) {