Correctly print `Lk' arguments in -Tascii. Issue raised by Aldis Berzoja.

[mandoc.git] / term_ps.c

diff --git a/term_ps.c b/term_ps.c
index b865f1671ce2b9296b9c22e62dc387167a3dac1d..d07b71a180b2cb5b12833c8aa25ab95d5210561f 100644 (file)
--- a/term_ps.c
+++ b/term_ps.c
@@ -1,4 +1,4 @@
-/*     $Id: term_ps.c,v 1.39 2010/07/25 22:15:07 kristaps Exp $ */
+/*     $Id: term_ps.c,v 1.41 2010/08/06 16:07:35 kristaps Exp $ */
 /*
  * Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -353,20 +353,27 @@ static    const struct font fonts[TERMFONT__MAX] = {
 
 /* These work the buffer used by the header and footer. */
 #define        PS_BUFSLOP        128
-#define        PS_GROWBUF(p, sz) \
-       do if ((p)->engine.ps.psmargcur + (sz) > \
-                       (p)->engine.ps.psmargsz) { \
-               (p)->engine.ps.psmargsz += /* CONSTCOND */ \
-                       MAX(PS_BUFSLOP, (sz)); \
-               (p)->engine.ps.psmarg = realloc \
-                       ((p)->engine.ps.psmarg,  \
-                        (p)->engine.ps.psmargsz); \
-               if (NULL == (p)->engine.ps.psmarg) { \
-                       perror(NULL); \
-                       exit(EXIT_FAILURE); \
-               } \
-       } while (/* CONSTCOND */ 0)
 
+static void
+ps_growbuf(struct termp *p, size_t sz)
+{
+       if (p->engine.ps.psmargcur + sz <= p->engine.ps.psmargsz)
+               return;
+
+       if (sz < PS_BUFSLOP)
+               sz = PS_BUFSLOP;
+
+       p->engine.ps.psmargsz += sz;
+
+       p->engine.ps.psmarg = realloc
+               (p->engine.ps.psmarg,
+                p->engine.ps.psmargsz);
+       
+       if (NULL == p->engine.ps.psmarg) {
+               perror(NULL);
+               exit(EXIT_FAILURE);
+       }
+}
 
 static double            ps_hspan(const struct termp *,
                                const struct roffsu *);
@@ -556,7 +563,7 @@ ps_printf(struct termp *p, const char *fmt, ...)
         * assumption that will cause pukeage if it's not the case.
         */
 
-       PS_GROWBUF(p, PS_BUFSLOP);
+       ps_growbuf(p, PS_BUFSLOP);
 
        pos = (int)p->engine.ps.psmargcur;
        len = vsnprintf(&p->engine.ps.psmarg[pos], PS_BUFSLOP, fmt, ap);
@@ -580,7 +587,7 @@ ps_putchar(struct termp *p, char c)
                return;
        }
 
-       PS_GROWBUF(p, 2);
+       ps_growbuf(p, 2);
 
        pos = (int)p->engine.ps.psmargcur++;
        p->engine.ps.psmarg[pos++] = c;