RepoMirrors/btrfs-progs
1
0
Fork 0
mirror of https://github.com/kdave/btrfs-progs synced 2024-12-22 22:23:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

btrfs-progs: help: print multiple syntax schemas on separate lines

Browse Source 
The help string for some commands could be split to more lines for
clarity, eg. as is now in the receive command. The 'btrfs help' listing
should indent all the lines properly, similar the command specific
help with "usage:'.

The syntax of the first help string line is to separate all command
usage schemas by "\n".

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2017-10-17 19:39:47 +02:00
parent eebdf02321
commit c56d61883c
1 changed files with 22 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
help.c
View File

@ -128,12 +128,32 @@ static int do_usage_one_command(const char * const *usagestr,
unsigned int flags, FILE *outf)
{
int pad = 4;
const char *prefix = "usage: ";
const char *pad_listing = " ";
if (!usagestr || !*usagestr)
return -1;
fprintf(outf, "%s%s", (flags & USAGE_LISTING) ? " " : "usage: ",
*usagestr++);
if (flags & USAGE_LISTING)
prefix = pad_listing;
fputs(prefix, outf);
if (strchr(*usagestr, '\n') == NULL) {
fputs(*usagestr, outf);
} else {
const char *c = *usagestr;
const char *nprefix = " ";
if (flags & USAGE_LISTING)
nprefix = pad_listing;
for (c = *usagestr; *c; c++) {
fputc(*c, outf);
if (*c == '\n')
fputs(nprefix, outf);
}
}
usagestr++;
/* a short one-line description (mandatory) */
if ((flags & USAGE_SHORT) == 0)