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Cygwin: utils: chattr: Improve option parsing, fix some messages.

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Allow multiple characters also in first '-mode' argument.
Use '-H' instead of '-h' for '--help' to fix ambiguity with
hidden attribute.  Fix help and usage texts and documentation.

Signed-off-by: Christian Franke <christian.franke@t-online.de>
This commit is contained in:
Christian Franke 2021-05-20 11:05:29 +02:00 committed by Corinna Vinschen
parent 0c0f3df224
commit cb674a4ad1
2 changed files with 19 additions and 23 deletions
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10
winsup/doc/utils.xml
View File

@ -27,18 +27,18 @@
<refsynopsisdiv>
<screen>
chattr [-RVfhv] [+-=mode]... [file]...
chattr [-RVfHv] [+-=mode]... [file]...
</screen>
</refsynopsisdiv>
<refsect1 id="chattr-options">
<title>Options</title>
<screen>
-R, --recursive recursively list attributes of directories and their
contents
-R, --recursive recursively apply the changes to directories and
their contents
-V, --verbose Be verbose during operation
-f, --force suppress error messages
-h, --help this help text
-H, --help this help text
-v, --version display the program version
</screen>
</refsect1>
@ -60,7 +60,7 @@ chattr [-RVfhv] [+-=mode]... [file]...
<para>Supported attributes:</para>
<screen>
'r', 'Readonly': file is read-only
'r', 'Readonly': file is read-only
'h', 'Hidden': file or directory is hidden
's', 'System': file or directory that the operating system uses
'a', 'Archive': file or directory has the archive marker set

32
winsup/utils/chattr.c
View File

@ -28,12 +28,12 @@ struct option longopts[] = {
{ "recursive", no_argument, NULL, 'R' },
{ "verbose", no_argument, NULL, 'V' },
{ "force", no_argument, NULL, 'f' },
{ "help", no_argument, NULL, 'h' },
{ "help", no_argument, NULL, 'H' },
{ "version", no_argument, NULL, 'v' },
{ NULL, no_argument, NULL, 0}
};
const char *opts = "+RVfhv";
const char *opts = "+RVfHv";
struct
{
@ -211,7 +211,7 @@ static void
print_version ()
{
printf ("%s (cygwin) %d.%d.%d\n"
"Get POSIX ACL information\n"
"Change file attributes\n"
"Copyright (C) 2018 - %s Cygwin Authors\n"
"This is free software; see the source for copying conditions. "
"There is NO\n"
@ -227,7 +227,7 @@ print_version ()
static void __attribute__ ((__noreturn__))
usage (FILE *stream)
{
fprintf (stream, "Usage: %s [-RVfhv] [+-=mode]... [file]...\n",
fprintf (stream, "Usage: %s [-RVfHv] [+-=mode]... [file]...\n",
program_invocation_short_name);
if (stream == stderr)
fprintf (stream, "Try '%s --help' for more information\n",
@ -236,11 +236,11 @@ usage (FILE *stream)
fprintf (stream, "\n"
"Change file attributes\n"
"\n"
" -R, --recursive recursively list attributes of directories and their \n"
" -R, --recursive recursively apply the changes to directories and their\n"
" contents\n"
" -V, --verbose Be verbose during operation\n"
" -f, --force suppress error messages\n"
" -h, --help this help text\n"
" -H, --help this help text\n"
" -v, --version display the program version\n"
"\n"
"The format of 'mode' is {+-=}[acCehnrsSt]\n"
@ -251,7 +251,7 @@ usage (FILE *stream)
"\n"
"Supported attributes:\n"
"\n"
" 'r', 'Readonly': file is read-only\n"
" 'r', 'Readonly': file is read-only\n"
" 'h', 'Hidden': file or directory is hidden\n"
" 's', 'System': file or directory that the operating system uses\n"
" 'a', 'Archive': file or directory has the archive marker set\n"
@ -271,7 +271,7 @@ int
main (int argc, char **argv)
{
int c, ret = 0;
int lastoptind = 0;
int lastoptind = 1;
char *opt;
opterr = 0;
@ -281,15 +281,15 @@ main (int argc, char **argv)
{
case 'R':
Ropt = 1;
lastoptind = optind;
break;
case 'V':
Vopt = 1;
lastoptind = optind;
break;
case 'f':
fopt = 1;
lastoptind = optind;
break;
case 'H':
usage (stdout);
break;
case 'v':
print_version ();
@ -297,14 +297,10 @@ main (int argc, char **argv)
break;
default:
if (optind > lastoptind)
{
--optind;
goto next;
}
/*FALLTHRU*/
case 'h':
usage (c == 'h' ? stdout : stderr);
--optind;
goto next;
}
lastoptind = optind;
}
next:
while (optind < argc)