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

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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>
This commit is contained in:
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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30
src/hci/commands/nvo_cmd.c
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@ -30,17 +30,37 @@ 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 ) {
printf ( "Could not set \"%s\"=\"%s\": %s\n",
argv[1], argv[2], strerror ( rc ) );
return 1;
/* 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], buf, strerror ( rc ) );
return 1;
}
}
return 0;