Fix uip/whom.c for C89 compatibility
[mmh] / uip / dp.c
index 22e725c..70162b2 100644 (file)
--- a/uip/dp.c
+++ b/uip/dp.c
@@ -9,6 +9,8 @@
 #include <h/mh.h>
 #include <h/fmt_scan.h>
 #include <h/tws.h>
+#include <locale.h>
+#include <sysexits.h>
 
 #define NDATES 100
 
@@ -24,6 +26,8 @@ static struct swit switches[] = {
        { NULL, 0 }
 };
 
+char *version=VERSION;
+
 static struct format *fmt;
 
 static int dat[5];
@@ -56,36 +60,35 @@ 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);
@@ -111,7 +114,7 @@ process(char *date)
 {
        int status = 0;
        char buffer[BUFSIZ + 1];
-       register struct comp *cptr;
+       struct comp *cptr;
 
        FINDCOMP(cptr, "text");
        if (cptr)