Wind man-page date back to the earliest git revision, UTC.

[nmh] / uip / dp.c

diff --git a/uip/dp.c b/uip/dp.c
index dabdd74c84adde9eb358988a2b5aa1e64def9e13..cbb48bb68b09be1cf8a4c04ab152ce709ee32d55 100644 (file)
--- a/uip/dp.c
+++ b/uip/dp.c
@@ -8,13 +8,13 @@
  */
 
 #include <h/mh.h>
+#include <h/utils.h>
 #include <h/fmt_scan.h>
 #include <h/tws.h>
 
 #define        NDATES 100
 
 #define        WIDTH 78
-#define        WBUFSIZ BUFSIZ
 
 #define        FORMAT "%<(nodate{text})error: %{text}%|%(putstr(pretty{text}))%>"
 
@@ -46,16 +46,14 @@ static int process (char *, int);
 int
 main (int argc, char **argv)
 {
-    int datep = 0, width = 0, status = 0;
+    int datep = 0, width = -1, status = 0;
     char *cp, *form = NULL, *format = NULL, *nfs;
-    char buf[BUFSIZ], **argp, **arguments;
-    char *dates[NDATES];
+    char buf[BUFSIZ], **argp;
+    char *dates[NDATES + 1]; /* Includes terminating NULL. */
 
-    if (nmh_init(argv[0], 1)) { return 1; }
-
-    arguments = getarguments (invo_name, argc, argv, 1);
-    argp = arguments;
+    if (nmh_init(argv[0], 2)) { return 1; }
 
+    argp = getarguments (invo_name, argc, argv, 1);
     while ((cp = *argp++)) {
        if (*cp == '-') {
            switch (smatch (++cp, switches)) {
@@ -92,7 +90,7 @@ main (int argc, char **argv)
                    continue;
            }
        }
-       if (datep > NDATES)
+       if (datep == NDATES)
            adios (NULL, "more than %d dates", NDATES);
        else
            dates[datep++] = cp;
@@ -105,13 +103,16 @@ main (int argc, char **argv)
     /* get new format string */
     nfs = new_fs (form, format, FORMAT);
 
-    if (width == 0) {
-       if ((width = sc_width ()) < WIDTH / 2)
+    if (width == -1) {
+       if ((width = sc_width ()) < WIDTH / 2) {
+           /* Default:  width of the terminal, but at least WIDTH/2. */
            width = WIDTH / 2;
+       }
        width -= 2;
+    } else if (width == 0) {
+       /* Unlimited width.  */
+       width = INT_MAX;
     }
-    if (width > WBUFSIZ)
-       width = WBUFSIZ;
     fmt_compile (nfs, &fmt, 1);
 
     dat[0] = 0;
@@ -134,17 +135,18 @@ static int
 process (char *date, int length)
 {
     int status = 0;
-    char buffer[WBUFSIZ + 1];
-    register struct comp *cptr;
+    charstring_t scanl =
+       charstring_create (length < NMH_BUFSIZ ? length : NMH_BUFSIZ);
+    struct comp *cptr;
 
     cptr = fmt_findcomp ("text");
     if (cptr) {
-       if (cptr->c_text)
-           free(cptr->c_text);
-       cptr->c_text = getcpy(date);
+        mh_xfree(cptr->c_text);
+       cptr->c_text = mh_xstrdup(date);
     }
-    fmt_scan (fmt, buffer, sizeof buffer - 1, length, dat, NULL);
-    fputs (buffer, stdout);
+    fmt_scan (fmt, scanl, length, dat, NULL);
+    fputs (charstring_buffer (scanl), stdout);
+    charstring_free (scanl);
 
     return status;
 }