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[settings] Modify "set" command to allow space separated values 

Allow multiple, space separated values (such as kernel arguments,
passed via DHCP) to be assigned to an identifier using the "set"
command.

Originally-implemented-by: Aaron Brooks <aaron@brooks1.net>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/1/head
Michael Brown 2010-09-21 14:54:07 +01:00
parent 5a981cff8e
commit c4af205cf0
1 changed files with 25 additions and 5 deletions
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26
src/hci/commands/nvo_cmd.c
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@ -30,18 +30,38 @@ static int show_exec ( int argc, char **argv ) {
}
static int set_exec ( int argc, char **argv ) {
size_t len;
int i;
int rc;
if ( argc != 3 ) {
if ( argc < 3 ) {
printf ( "Syntax: %s <identifier> <value>\n", argv[0] );
return 1;
}
if ( ( rc = storef_named_setting ( argv[1], argv[2] ) ) != 0 ) {
/* Determine total length of command line */
len = 1; /* NUL */
for ( i = 2 ; i < argc ; i++ )
len += ( 1 /* possible space */ + strlen ( argv[i] ) );
{
char buf[len];
char *ptr = buf;
/* Assemble command line */
buf[0] = '\0';
for ( i = 2 ; i < argc ; i++ ) {
ptr += sprintf ( ptr, "%s%s", ( buf[0] ? " " : "" ),
argv[i] );
}
assert ( ptr < ( buf + len ) );
if ( ( rc = storef_named_setting ( argv[1], buf ) ) != 0 ) {
printf ( "Could not set \"%s\"=\"%s\": %s\n",
argv[1], argv[2], strerror ( rc ) );
argv[1], buf, strerror ( rc ) );
return 1;
}
}
return 0;
}