seq_del.c: Move interface to own file.

[nmh] / uip / scansbr.c

diff --git a/uip/scansbr.c b/uip/scansbr.c
index a62faf2e617443bcefc788bfda09db91b4c3cc8d..b82c3c561b32643f71d97b6b4ebf14a5114e7c62 100644 (file)
--- a/uip/scansbr.c
+++ b/uip/scansbr.c
@@ -5,12 +5,14 @@
  * complete copyright information.
  */
 
-#include <h/mh.h>
-#include <h/addrsbr.h>
-#include <h/fmt_scan.h>
-#include <h/scansbr.h>
-#include <h/tws.h>
-#include <h/utils.h>
+#include "h/mh.h"
+#include "sbr/error.h"
+#include "h/addrsbr.h"
+#include "h/fmt_scan.h"
+#include "h/scansbr.h"
+#include "h/tws.h"
+#include "h/utils.h"
+#include "sbr/terminal.h"
 
 static struct format *fmt;
 static struct comp *datecomp;          /* pntr to "date" comp             */
@@ -26,6 +28,10 @@ static m_getfld_state_t gstate;              /* for accessor functions below    */
 
 #define DIEWRERR() adios (scnmsg, "write error on")
 
+#define PUTC(c) \
+    if (putc((c), scnout) == EOF) \
+        DIEWRERR();
+
 #define FPUTS(buf) {\
                if (fputs(buf,scnout) == EOF)\
                    DIEWRERR();\
@@ -44,6 +50,8 @@ int
 scan (FILE *inb, int innum, int outnum, char *nfs, int width, int curflg,
       int unseen, char *folder, long size, int noisy, charstring_t *scanl)
 {
+    static bool deja_vu;
+    static int tty_width;
     int i, compnum, encrypted, state;
     char *cp, *tmpbuf, *startbody, **nxtbuf;
     char *saved_c_text = NULL;
@@ -60,9 +68,12 @@ scan (FILE *inb, int innum, int outnum, char *nfs, int width, int curflg,
        scanl used to be a global. */
     if (! *scanl) {
        if (width == -1) {
-           /* Default:  width of the terminal, but at least WIDTH/2. */
-           if ((width = sc_width ()) < WIDTH/2)
-               width = WIDTH/2;
+            if (!deja_vu) {
+                deja_vu = true;
+                tty_width = sc_width();
+            }
+
+            width = max(tty_width, WIDTH / 2);
        } else if (width == 0) {
            /* Unlimited width. */
            width = INT_MAX;
@@ -169,7 +180,7 @@ scan (FILE *inb, int innum, int outnum, char *nfs, int width, int curflg,
                compnum++;
                if (scnout) {
                    FPUTS (name);
-                   if ( putc (':', scnout) == EOF) DIEWRERR();
+                   PUTC(':');
                    FPUTS (tmpbuf);
                }
                /*
@@ -218,7 +229,7 @@ scan (FILE *inb, int innum, int outnum, char *nfs, int width, int curflg,
                    goto finished;
                }
                 if (scnout) {
-                    if (putc ('\n', scnout) == EOF) DIEWRERR();
+                    PUTC('\n');
                     FPUTS (tmpbuf);
                 }
                /*
@@ -264,7 +275,7 @@ body:;
                if (scnout) {
                    FPUTS ("\n\nBAD MSG:\n");
                    FPUTS (name);
-                   if (putc ('\n', scnout) == EOF) DIEWRERR();
+                   PUTC('\n');
                    state = BODY;
                    goto body;
                }
@@ -274,7 +285,7 @@ body:;
                goto finished;
 
            default: 
-               adios (NULL, "getfld() returned %d", state);
+               die("getfld() returned %d", state);
        }
     }
 
@@ -338,17 +349,19 @@ finished:
     if (scnout && (ferror(scnout) || fclose (scnout) == EOF))
        DIEWRERR();
 
-    return (state != FILEEOF ? SCNERR : encrypted ? SCNENC : SCNMSG);
+    return state != FILEEOF ? SCNERR : encrypted ? SCNENC : SCNMSG;
 }
 
 
 /* The following two functions allow access to the global gstate above. */
 void
-scan_finished(void) {
+scan_finished(void)
+{
     m_getfld_state_destroy (&gstate);
 }
 
 void
-scan_detect_mbox_style (FILE *f) {
+scan_detect_mbox_style (FILE *f)
+{
     m_unknown (&gstate, f);
 }