X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fpostscript.c;h=be8abb5a60bd97025a1909d5bfcce0f107bf7e52;hb=d69833d7d425cd98c3793a89945153306dfa7ab3;hp=16d02094133ecac1a8374b30e17cdc7a9a7f7891;hpb=b18e1b9c95a478d434e9fcef9d8579d0b96b9a8d;p=pspp-builds.git

diff --git a/src/postscript.c b/src/postscript.c
index 16d02094..be8abb5a 100644
--- a/src/postscript.c
+++ b/src/postscript.c
@@ -17,23 +17,7 @@
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
    02111-1307, USA. */
 
-/* AIX requires this to be the first thing in the file.  */
 #include <config.h>
-#if __GNUC__
-#define alloca __builtin_alloca
-#else
-#if HAVE_ALLOCA_H
-#include <alloca.h>
-#else
-#ifdef _AIX
-#pragma alloca
-#else
-#ifndef alloca			/* predefined by HP cc +Olibcalls */
-char *alloca ();
-#endif
-#endif
-#endif
-#endif
 
 /*this #if encloses the remainder of the file. */
 #if !NO_POSTSCRIPT
@@ -302,7 +286,7 @@ static char *quote_ps_string (char *dest, const char *string);
 
 /* Driver initialization. */
 
-int
+static int
 ps_open_global (struct outp_class *this unused)
 {
   init_fonts ();
@@ -310,13 +294,13 @@ ps_open_global (struct outp_class *this unused)
   return 1;
 }
 
-int
+static int
 ps_close_global (struct outp_class *this unused)
 {
   return 1;
 }
 
-int *
+static int *
 ps_font_sizes (struct outp_class *this unused, int *n_valid_sizes)
 {
   /* Allow fonts up to 1" in height. */
@@ -328,7 +312,7 @@ ps_font_sizes (struct outp_class *this unused, int *n_valid_sizes)
   return valid_sizes;
 }
 
-int
+static int
 ps_preopen_driver (struct outp_driver *this)
 {
   struct ps_driver_ext *x;
@@ -403,7 +387,7 @@ ps_preopen_driver (struct outp_driver *this)
   return 1;
 }
 
-int
+static int
 ps_postopen_driver (struct outp_driver *this)
 {
   struct ps_driver_ext *x = this->ext;
@@ -476,7 +460,7 @@ ps_postopen_driver (struct outp_driver *this)
   return 1;
 }
 
-int
+static int
 ps_close_driver (struct outp_driver *this)
 {
   struct ps_driver_ext *x = this->ext;
@@ -578,7 +562,7 @@ static struct outp_option option_tab[] =
 };
 static struct outp_option_info option_info;
 
-void
+static void
 ps_option (struct outp_driver *this, const char *key, const struct string *val)
 {
   struct ps_driver_ext *x = this->ext;
@@ -955,8 +939,11 @@ output_encodings (struct outp_driver *this)
 
 	  while (ds_get_config_line (f, &buf, &where))
 	    {
-	      char *sp;
-	      
+	      char *sp;	
+
+	      if (buf.length == 0) 
+		continue;
+
 	      pschar = strtok_r (ds_value (&buf), " \t\r\n", &sp);
 	      code = strtok_r (NULL, " \t\r\n", &sp);
 	      if (*pschar == 0 || *code == 0)
@@ -1064,14 +1051,13 @@ static void
 add_encoding (struct outp_driver *this, char *filename)
 {
   struct ps_driver_ext *x = this->ext;
-
   struct ps_encoding **pe;
 
   filename = find_encoding_file (this, filename);
   if (!filename)
     return;
 
-  pe = (struct ps_encoding **) hsh_probe (x->encodings, (void *) &filename);
+  pe = (struct ps_encoding **) hsh_probe (x->encodings, &filename);
   if (*pe)
     {
       free (filename);
@@ -1650,7 +1636,7 @@ preclose (struct file_ext *f)
   return 1;
 }
 
-int
+static int
 ps_open_page (struct outp_driver *this)
 {
   struct ps_driver_ext *x = this->ext;
@@ -1707,7 +1693,7 @@ ps_open_page (struct outp_driver *this)
   return !ferror (x->file.file);
 }
 
-int
+static int
 ps_close_page (struct outp_driver *this)
 {
   struct ps_driver_ext *x = this->ext;
@@ -1730,16 +1716,22 @@ ps_close_page (struct outp_driver *this)
 
 /* qsort() comparison function for int tuples. */
 static int
-int_2_compare (const void *a, const void *b)
+int_2_compare (const void *a_, const void *b_)
 {
-  return *((const int *) a) - *((const int *) b);
+  const int *a = a_;
+  const int *b = b_;
+
+  return *a < *b ? -1 : *a > *b;
 }
 
 /* Hash table comparison function for cached lines. */
 static int
-compare_line (const void *a, const void *b, void *foo unused)
+compare_line (const void *a_, const void *b_, void *foo unused)
 {
-  return ((struct line_form *) a)->ind - ((struct line_form *) b)->ind;
+  const struct line_form *a = a_;
+  const struct line_form *b = b_;
+
+  return a->ind < b->ind ? -1 : a->ind > b->ind;
 }
 
 /* Hash table hash function for cached lines. */
@@ -1883,8 +1875,7 @@ line (struct outp_driver *this, int type, int ind, int dep1, int dep2)
   if (ext->lines[type] == NULL)
     ext->lines[type] = hsh_create (31, compare_line, hash_line,
 				   free_line, NULL);
-  f = (struct line_form **) hsh_probe (ext->lines[type],
-				       (struct line_form *) & ind);
+  f = (struct line_form **) hsh_probe (ext->lines[type], &ind);
   if (*f == NULL)
     {
       *f = xmalloc (sizeof **f + sizeof (int[15][2]));
@@ -1905,7 +1896,7 @@ line (struct outp_driver *this, int type, int ind, int dep1, int dep2)
   (*f)->ndep++;
 }
 
-void
+static void
 ps_line_horz (struct outp_driver *this, const struct rect *r,
 	      const struct color *c unused, int style)
 {
@@ -1922,7 +1913,7 @@ ps_line_horz (struct outp_driver *this, const struct rect *r,
     line (this, style, y, r->x1, r->x2);
 }
 
-void
+static void
 ps_line_vert (struct outp_driver *this, const struct rect *r,
 	      const struct color *c unused, int style)
 {
@@ -1944,7 +1935,7 @@ ps_line_vert (struct outp_driver *this, const struct rect *r,
 #define T (style->t != OUTP_L_NONE)
 #define B (style->b != OUTP_L_NONE)
 
-void
+static void
 ps_line_intersection (struct outp_driver *this, const struct rect *r,
 		      const struct color *c unused,
 		      const struct outp_styles *style)
@@ -2026,38 +2017,25 @@ ps_line_intersection (struct outp_driver *this, const struct rect *r,
     }
 }
 
-void
-ps_line_width (struct outp_driver *this, int *width, int *height)
-{
-  struct ps_driver_ext *x = this->ext;
-
-  assert (this->driver_open && this->page_open);
-  width[0] = height[0] = 0;
-  width[1] = height[1] = 2 * x->line_gutter + x->line_width;
-  width[2] = height[2] = (2 * x->line_gutter + 2 * x->line_width
-			  + x->line_space);
-  width[3] = height[3] = 2 * x->line_gutter + x->line_width;
-}
-
-void
+static void
 ps_box (struct outp_driver *this unused, const struct rect *r unused,
 	const struct color *bord unused, const struct color *fill unused)
 {
   assert (this->driver_open && this->page_open);
 }
 
-void 
+static void 
 ps_polyline_begin (struct outp_driver *this unused,
 		   const struct color *c unused)
 {
   assert (this->driver_open && this->page_open);
 }
-void 
+static void 
 ps_polyline_point (struct outp_driver *this unused, int x unused, int y unused)
 {
   assert (this->driver_open && this->page_open);
 }
-void 
+static void 
 ps_polyline_end (struct outp_driver *this unused)
 {
   assert (this->driver_open && this->page_open);
@@ -2154,7 +2132,7 @@ draw_headers (struct outp_driver *this)
 
 /* Text. */
 
-void
+static void
 ps_text_set_font_by_name (struct outp_driver *this, const char *dit)
 {
   struct ps_driver_ext *x = this->ext;
@@ -2183,7 +2161,7 @@ ps_text_set_font_by_name (struct outp_driver *this, const char *dit)
   x->current = fe;
 }
 
-void
+static void
 ps_text_set_font_by_position (struct outp_driver *this, int pos)
 {
   struct ps_driver_ext *x = this->ext;
@@ -2230,7 +2208,7 @@ ps_text_set_font_by_position (struct outp_driver *this, int pos)
   local_free (dit);
 }
 
-void
+static void
 ps_text_set_font_family (struct outp_driver *this, const char *s)
 {
   struct ps_driver_ext *x = this->ext;
@@ -2241,7 +2219,7 @@ ps_text_set_font_family (struct outp_driver *this, const char *s)
   x->family = xstrdup (s);
 }
 
-const char *
+static const char *
 ps_text_get_font_name (struct outp_driver *this)
 {
   struct ps_driver_ext *x = this->ext;
@@ -2250,7 +2228,7 @@ ps_text_get_font_name (struct outp_driver *this)
   return x->current->font->name;
 }
 
-const char *
+static const char *
 ps_text_get_font_family (struct outp_driver *this)
 {
   struct ps_driver_ext *x = this->ext;
@@ -2259,7 +2237,7 @@ ps_text_get_font_family (struct outp_driver *this)
   return x->family;
 }
 
-int
+static int
 ps_text_set_size (struct outp_driver *this, int size)
 {
   struct ps_driver_ext *x = this->ext;
@@ -2269,7 +2247,7 @@ ps_text_set_size (struct outp_driver *this, int size)
   return 1;
 }
 
-int
+static int
 ps_text_get_size (struct outp_driver *this, int *em_width)
 {
   struct ps_driver_ext *x = this->ext;
@@ -2781,14 +2759,14 @@ exit:
   ext->size = old_size;
 }
 
-void
+static void
 ps_text_metrics (struct outp_driver *this, struct outp_text *t)
 {
   assert (this->driver_open && this->page_open);
   text (this, t, 0);
 }
 
-void
+static void
 ps_text_draw (struct outp_driver *this, struct outp_text *t)
 {
   assert (this->driver_open && this->page_open);