drop out_pbuf, which was an ancient workaround

obviously an old implementation of out_printf()
  has been unreliable.

src/frontend/inp.c

@@ -156,9 +156,8 @@ inp_list(FILE *file, struct line *deck, struct line *extras, int type)
                 continue;
             if (*here->li_line != '*') {
                 if (useout) {
-                    sprintf(out_pbuf, "%6d : %s\n",
+                    out_printf("%6d : %s\n",
                             here->li_linenum, upper(here->li_line));
-                    out_send(out_pbuf);
                 } else {
                     fprintf(file, "%6d : %s\n",
                             here->li_linenum, upper(here->li_line));
@@ -180,8 +179,7 @@ inp_list(FILE *file, struct line *deck, struct line *extras, int type)
         }
 
         if (useout) {
-            sprintf(out_pbuf, "%6d : .end\n", i);
-            out_send(out_pbuf);
+            out_printf("%6d : .end\n", i);
         } else {
             fprintf(file, "%6d : .end\n", i);
         }
@@ -197,9 +195,8 @@ inp_list(FILE *file, struct line *deck, struct line *extras, int type)
                     continue;
                 if (type == LS_PHYSICAL) {
                     if (useout) {
-                        sprintf(out_pbuf, "%6d : %s\n",
+                        out_printf("%6d : %s\n",
                                 here->li_linenum, upper(here->li_line));
-                        out_send(out_pbuf);
                     } else {
                         fprintf(file, "%6d : %s\n",
                                 here->li_linenum, upper(here->li_line));
@@ -223,9 +220,8 @@ inp_list(FILE *file, struct line *deck, struct line *extras, int type)
                         continue;
                     if (type == LS_PHYSICAL) {
                         if (useout) {
-                            sprintf(out_pbuf, "%6d : %s\n",
+                            out_printf("%6d : %s\n",
                                     there->li_linenum, upper(there->li_line));
-                            out_send(out_pbuf);
                         } else {
                             fprintf(file, "%6d : %s\n",
                                     there->li_linenum, upper(there->li_line));
@@ -254,8 +250,7 @@ inp_list(FILE *file, struct line *deck, struct line *extras, int type)
         }
         if (type == LS_PHYSICAL) {
             if (useout) {
-                sprintf(out_pbuf, "%6d : .end\n", i);
-                out_send(out_pbuf);
+                out_printf("%6d : .end\n", i);
             } else {
                 fprintf(file, "%6d : .end\n", i);
             }

src/frontend/plotting/agraf.c

@@ -271,10 +271,7 @@ ft_agraf(double *xlims, double *ylims, struct dvec *xscale, struct plot *plot, s
     if (j == 0)
         j = 1;
     for (v = vecs; v; v = v->v_link2) {
-	out_pbuf[0] = (char) v->v_linestyle;
-	out_pbuf[1] = '\0';
-/*        out_printf("%c = %-17s", (char) v->v_linestyle, v->v_name); */
-        out_printf("%s = %-17s", out_pbuf, v->v_name);
+        out_printf("%c = %-17s", (char) v->v_linestyle, v->v_name);
         if (!(++i % j) && v->v_link2) {
             out_send("\n         ");
             curline++;
@@ -297,23 +294,15 @@ ft_agraf(double *xlims, double *ylims, struct dvec *xscale, struct plot *plot, s
 	else
           x = xrange[0] + (xrange[1] - xrange[0]) * i / (maxx - 1);
         if (x < 0.0) {
-	    sprintf(out_pbuf, "%.3e ", x);
-	    out_send(out_pbuf);
-/*             out_printf("%.3e ", x); */
+            out_printf("%.3e ", x);
         } else {
-	    sprintf(out_pbuf, " %.3e ", x);
-	    out_send(out_pbuf);
-/*            out_printf(" %.3e ", x); */
+            out_printf(" %.3e ", x);
 	}
         if (!novalue) {
             if (values[i] < 0.0) {
-	        sprintf(out_pbuf, "%.3e ", values[i]);
-	        out_send(out_pbuf);
-/*                out_printf("%.3e ", values[i]); */
+                out_printf("%.3e ", values[i]);
             } else {
-	        sprintf(out_pbuf, " %.3e ", values[i]);
-	        out_send(out_pbuf);
-/*                out_printf(" %.3e ", values[i]); */
+                out_printf(" %.3e ", values[i]);
 	    }
         }
         cb = field[(i + 1) * omaxy];

src/frontend/postcoms.c

@@ -317,8 +317,7 @@ pbreak:     /* New page. */
         lineno += 2;
 loop:
         while ((j < npoints) && (lineno < height)) {
-            sprintf(out_pbuf, "%d\t", j);
-            out_send(out_pbuf);
+            out_printf("%d\t", j);
             for (v = bv; (v && (v != lv)); v = v->v_link2) {
                 if (v->v_length <= j) {
                     if (isreal(v))
@@ -329,8 +328,7 @@ loop:
                     if (isreal(v)) 
                     {
                         printnum(numbuf,  v->v_realdata[j]);
-                        (void) sprintf(out_pbuf, "%s\t",numbuf);
-                        out_send(out_pbuf);
+                        out_printf("%s\t", numbuf);
                     }
                     else
                     {
@@ -339,15 +337,14 @@ loop:
                            imagpart(v->v_compdata[j]) == 0.0)
                         {
                                 printnum(numbuf,  realpart(v->v_compdata[j]));
-                                (void) sprintf(out_pbuf, "%s\t",numbuf);
+                                out_printf("%s\t", numbuf);
                         }
                         else
                         {
                             printnum(numbuf,  realpart(v->v_compdata[j]));
                             printnum(numbuf2, imagpart(v->v_compdata[j]));
-                            (void) sprintf(out_pbuf, "%s,\t%s\t",numbuf,numbuf2);
+                            out_printf("%s,\t%s\t", numbuf, numbuf2);
                         }
-                        out_send(out_pbuf);
                     }
                 }
             }

src/frontend/terminal.c

@@ -51,10 +51,6 @@ extern int vasprintf(char **out, const char *fmt, va_list ap);
 #include "variable.h"
 #include "terminal.h"
 
-/* out_printf doesn't handle double arguments correctly, so we
-    sprintf into this buf and call out_send w/ it */
-char out_pbuf[8*BSIZE_SP];
-
 bool out_moremode = TRUE;
 bool out_isatty = TRUE;
 
@@ -265,12 +261,14 @@ out_printf(char *fmt, ...)
     out_send(tbuf);
     FREE(tbuf);
 #elif defined(HAVE_SNPRINTF) /* the second best */
+    static char out_pbuf[8*BSIZE_SP];
     va_list ap;
     va_start (ap, fmt);
     vsnprintf(out_pbuf, sizeof(out_pbuf), fmt, ap);
     va_end (ap);
     out_send(out_pbuf);
 #else /* guaranteed a bug for long messages */
+    static char out_pbuf[8*BSIZE_SP];
     va_list ap;
     va_start (ap, fmt);
     vsprintf(out_pbuf, fmt, ap);

src/frontend/variable.c

@@ -919,9 +919,7 @@ cp_vprint(void)
             continue;
         v = vars[j].x_v;
         if (v->va_type == CP_BOOL) {
-            /* out_printf("%c %s\n", vars[j].x_char, v->va_name); */
-            sprintf(out_pbuf, "%c %s\n", vars[j].x_char, v->va_name);
-            out_send(out_pbuf);
+            out_printf("%c %s\n", vars[j].x_char, v->va_name);
         } else {
             out_printf("%c %s\t", vars[j].x_char, v->va_name);
             wl = vareval(v->va_name);

src/include/ngspice/cpextern.h

@@ -116,7 +116,6 @@ extern void cp_init(void);
 
 /* output.c */
 
-extern char out_pbuf[];
 extern bool out_moremode;
 extern bool out_isatty;
 extern void out_init(void);

src/ngsconvert.c

@@ -33,9 +33,6 @@ struct circ *ft_curckt = NULL;
 
 char *cp_program = "sconvert";
 
-/* doesn't get used, but some unused routine in some file references it */
-char out_pbuf[BSIZE_SP];
-
 
 #define tfread(ptr, siz, nit, fp)   if (fread((ptr), (siz), \
                         (nit), (fp)) != (nit)) { \