GopherProxy

	Add flag to run in foreground - sdhcp - simple dhcp client
	git clone git://git.codemadness.org/sdhcp
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	---
	commit 6453b6d68c6452bb0731b3250e308d4e6750dbec
	parent 4716991b7cf1cf79d3ddf27b16690ccb37e863b7
	Author: Michael Forney <[email protected]>
	Date: Mon, 27 Apr 2015 01:00:03 +0000

	Add flag to run in foreground

	Diffstat:
	M sdhcp.1 \| 3 +++
	M sdhcp.c \| 8 ++++++--

	2 files changed, 9 insertions(+), 2 deletions(-)
	---
	diff --git a/sdhcp.1 b/sdhcp.1
	@@ -28,6 +28,9 @@ don't change interface information such as an IP address.
	.TP
	.B "\-e program"
	run program. Variables will be set, see VARIABLES.
	+.TP
	+.B \-f
	+run in foreground.
	.SH VARIABLES
	.LP
	The following variables are set:
	diff --git a/sdhcp.c b/sdhcp.c
	@@ -97,6 +97,7 @@ static unsigned long t1;

	static int dflag = 1; /* change DNS in /etc/resolv.conf ? */
	static int iflag = 1; /* set IP ? */
	+static int fflag = 0; /* run in foreground */

	#define IP(a,b,c,d) (unsigned char[4]){a,b,c,d}

	@@ -392,7 +393,7 @@ Requesting:
	}
	Bound:
	fputs("Congrats! You should be on the 'net.\n", stdout);
	- if(!forked) {
	+ if(!fflag && !forked) {
	if(fork())
	exit(EXIT_SUCCESS);
	forked = 1;
	@@ -439,7 +440,7 @@ static void cleanexit(int unused) {

	static void
	usage(void) {
	- eprintf("usage: sdhcp [-i] [-d] [-e program] [ifname] [clientid]\n");
	+ eprintf("usage: sdhcp [-i] [-d] [-f] [-e program] [ifname] [clientid]\…
	}

	int
	@@ -460,6 +461,9 @@ main(int argc, char *argv[])
	case 'd': /* don't update DNS in/etc/resolv.conf */
	dflag = 0;
	break;
	+ case 'f': /* run in foreground */
	+ fflag = 1;
	+ break;
	default:
	usage();
	break;