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[parseopt] Refer to online documentation for command help

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The online documentation (e.g. http://ipxe.org/cmd/ifopen), though not
yet complete, is far more comprehensive than could be provided within
the iPXE binary.  Save around 200 bytes (compressed) by removing the
command descriptions from the interactive help, and instead referring
users directly to the web page describing the relevant command.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2011-03-04 12:14:51 +00:00
parent 464cd1b3ce
commit 7d5dcc9299
23 changed files with 46 additions and 80 deletions
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5
src/core/exec.c
View File

@@ -298,8 +298,7 @@ static struct option_descriptor exit_opts[] = {};
/** "exit" command descriptor */
static struct command_descriptor exit_cmd =
COMMAND_DESC ( struct exit_options, exit_opts, 0, 1,
"[<status>]", "" );
COMMAND_DESC ( struct exit_options, exit_opts, 0, 1, "[<status>]" );
/**
* "exit" command
@@ -344,7 +343,7 @@ static struct option_descriptor isset_opts[] = {};
/** "isset" command descriptor */
static struct command_descriptor isset_cmd =
COMMAND_DESC ( struct isset_options, isset_opts, 0, MAX_ARGUMENTS,
"[...]", "" );
"[...]" );
/**
* "isset" command

3
src/core/parseopt.c
View File

@@ -132,7 +132,8 @@ int parse_image ( const char *text, struct image **image ) {
* @v argv Argument list
*/
void print_usage ( struct command_descriptor *cmd, char **argv ) {
printf ( "Usage:\n\n %s %s\n", argv[0], cmd->usage_description );
printf ( "Usage:\n\n %s %s\n\nSee http://ipxe.org/cmd/%s for further "
"information\n", argv[0], cmd->usage, argv[0] );
}
/**