X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=uip%2Fdp.c;h=1cbb7ed5d0b7dd9e1a14651968dbddad6746a3c2;hp=b6efbe842d9d48b2ad651bb396281791a0f0faef;hb=cf1205b5cbea2f0cd6ea710ec16c637df85b647c;hpb=d254c5e2ad008f26d5fda43c3f24f0a711c7e851

diff --git a/uip/dp.c b/uip/dp.c
index b6efbe8..1cbb7ed 100644
--- a/uip/dp.c
+++ b/uip/dp.c
@@ -10,6 +10,7 @@
 #include <h/fmt_scan.h>
 #include <h/tws.h>
 #include <locale.h>
+#include <sysexits.h>
 
 #define NDATES 100
 
@@ -57,36 +58,35 @@ main(int argc, char **argv)
 			switch (smatch(++cp, switches)) {
 			case AMBIGSW:
 				ambigsw(cp, switches);
-				/* sysexits.h EX_USAGE */
-				exit(1);
+				exit(EX_USAGE);
 			case UNKWNSW:
-				adios(NULL, "-%s unknown", cp);
+				adios(EX_USAGE, NULL, "-%s unknown", cp);
 
 			case HELPSW:
 				snprintf(buf, sizeof(buf), "%s [switches] dates ...", invo_name);
 				print_help(buf, switches, 1);
-				exit(0);
+				exit(argc == 2 ? EX_OK : EX_USAGE);
 			case VERSIONSW:
 				print_version(invo_name);
-				exit(0);
+				exit(argc == 2 ? EX_OK : EX_USAGE);
 
 			case FORMSW:
 				if (!(form = *argp++) || *form == '-')
-					adios(NULL, "missing argument to %s",
+					adios(EX_USAGE, NULL, "missing argument to %s",
 							argp[-2]);
 				continue;
 
 			}
 		}
 		if (datep > NDATES)
-			adios(NULL, "more than %d dates", NDATES);
+			adios(EX_USAGE, NULL, "more than %d dates", NDATES);
 		else
 			dates[datep++] = cp;
 	}
 	dates[datep] = NULL;
 
 	if (datep == 0)
-		adios(NULL, "usage: %s [switches] dates ...", invo_name);
+		adios(EX_USAGE, NULL, "usage: %s [switches] dates ...", invo_name);
 
 	/* get new format string */
 	fmtstr = new_fs(form, FORMAT);