X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fpostscript.c;h=196e7120cec4f0118cda4331f8bc74b90f11bdb7;hb=37597beca4a11edba50b847932fdfeca3a648fa2;hp=2123ed38f2e9bfe6b46b2996e2448df5b4dd5ad6;hpb=2bfc3a138f308ffb38634a92b23bdc7b62592324;p=pspp-builds.git

diff --git a/src/postscript.c b/src/postscript.c
index 2123ed38..196e7120 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
@@ -302,22 +286,22 @@ static char *quote_ps_string (char *dest, const char *string);
 
 /* Driver initialization. */
 
-int
-ps_open_global (struct outp_class *this unused)
+static int
+ps_open_global (struct outp_class *this UNUSED)
 {
   init_fonts ();
   groff_init ();
   return 1;
 }
 
-int
-ps_close_global (struct outp_class *this unused)
+static int
+ps_close_global (struct outp_class *this UNUSED)
 {
   return 1;
 }
 
-int *
-ps_font_sizes (struct outp_class *this unused, int *n_valid_sizes)
+static int *
+ps_font_sizes (struct outp_class *this UNUSED, int *n_valid_sizes)
 {
   /* Allow fonts up to 1" in height. */
   static int valid_sizes[] =
@@ -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;
@@ -510,14 +494,14 @@ ps_close_driver (struct outp_driver *this)
 
 /* font_entry comparison function for hash tables. */
 static int
-compare_font_entry (const void *a, const void *b, void *foobar unused)
+compare_font_entry (const void *a, const void *b, void *foobar UNUSED)
 {
   return strcmp (((struct font_entry *) a)->dit, ((struct font_entry *) b)->dit);
 }
 
 /* font_entry hash function for hash tables. */
 static unsigned
-hash_font_entry (const void *fe_, void *foobar unused)
+hash_font_entry (const void *fe_, void *foobar UNUSED)
 {
   const struct font_entry *fe = fe_;
   return hsh_hash_string (fe->dit);
@@ -525,7 +509,7 @@ hash_font_entry (const void *fe_, void *foobar unused)
 
 /* font_entry destructor function for hash tables. */
 static void
-free_font_entry (void *pa, void *foo unused)
+free_font_entry (void *pa, void *foo UNUSED)
 {
   struct font_entry *a = pa;
   free (a->dit);
@@ -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;
@@ -872,7 +856,7 @@ find_ps_file (struct outp_driver *this, const char *name)
 
 /* Hash table comparison function for ps_encoding's. */
 static int
-compare_ps_encoding (const void *pa, const void *pb, void *foo unused)
+compare_ps_encoding (const void *pa, const void *pb, void *foo UNUSED)
 {
   const struct ps_encoding *a = pa;
   const struct ps_encoding *b = pb;
@@ -882,7 +866,7 @@ compare_ps_encoding (const void *pa, const void *pb, void *foo unused)
 
 /* Hash table hash function for ps_encoding's. */
 static unsigned
-hash_ps_encoding (const void *pa, void *foo unused)
+hash_ps_encoding (const void *pa, void *foo UNUSED)
 {
   const struct ps_encoding *a = pa;
 
@@ -891,7 +875,7 @@ hash_ps_encoding (const void *pa, void *foo unused)
 
 /* Hash table free function for ps_encoding's. */
 static void
-free_ps_encoding (void *pa, void *foo unused)
+free_ps_encoding (void *pa, void *foo UNUSED)
 {
   struct ps_encoding *a = pa;
 
@@ -1122,8 +1106,6 @@ read_ps_encodings (struct outp_driver *this)
     
   for (;;)
     {
-      char *bp;
-
       if (!ds_get_config_line (f, &line, &where))
 	{
 	  if (ferror (f))
@@ -1131,7 +1113,7 @@ read_ps_encodings (struct outp_driver *this)
 	  break;
 	}
 
-      add_encoding (this, bp);
+      add_encoding (this, line.string);
     }
 
   ds_destroy (&line);
@@ -1652,7 +1634,7 @@ preclose (struct file_ext *f)
   return 1;
 }
 
-int
+static int
 ps_open_page (struct outp_driver *this)
 {
   struct ps_driver_ext *x = this->ext;
@@ -1709,7 +1691,7 @@ 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;
@@ -1732,21 +1714,27 @@ 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. */
 static unsigned
-hash_line (const void *pa, void *foo unused)
+hash_line (const void *pa, void *foo UNUSED)
 {
   const struct line_form *a = pa;
 
@@ -1755,7 +1743,7 @@ hash_line (const void *pa, void *foo unused)
 
 /* Hash table free function for cached lines. */
 static void
-free_line (void *pa, void *foo unused)
+free_line (void *pa, void *foo UNUSED)
 {
   free (pa);
 }
@@ -1906,9 +1894,9 @@ 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)
+	      const struct color *c UNUSED, int style)
 {
   /* Must match output.h:OUTP_L_*. */
   static const int types[OUTP_L_COUNT] =
@@ -1923,9 +1911,9 @@ 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)
+	      const struct color *c UNUSED, int style)
 {
   /* Must match output.h:OUTP_L_*. */
   static const int types[OUTP_L_COUNT] =
@@ -1945,9 +1933,9 @@ 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 color *c UNUSED,
 		      const struct outp_styles *style)
 {
   struct ps_driver_ext *ext = this->ext;
@@ -2027,39 +2015,26 @@ 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
-ps_box (struct outp_driver *this unused, const struct rect *r unused,
-	const struct color *bord unused, const struct color *fill unused)
+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 
-ps_polyline_begin (struct outp_driver *this unused,
-		   const struct color *c unused)
+static void 
+ps_polyline_begin (struct outp_driver *this UNUSED,
+		   const struct color *c UNUSED)
 {
   assert (this->driver_open && this->page_open);
 }
-void 
-ps_polyline_point (struct outp_driver *this unused, int x unused, int y unused)
+static void 
+ps_polyline_point (struct outp_driver *this UNUSED, int x UNUSED, int y UNUSED)
 {
   assert (this->driver_open && this->page_open);
 }
-void 
-ps_polyline_end (struct outp_driver *this unused)
+static void 
+ps_polyline_end (struct outp_driver *this UNUSED)
 {
   assert (this->driver_open && this->page_open);
 }
@@ -2155,7 +2130,7 @@ 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;
@@ -2184,7 +2159,7 @@ 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;
@@ -2231,7 +2206,7 @@ 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;
@@ -2242,7 +2217,7 @@ 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;
@@ -2251,7 +2226,7 @@ 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;
@@ -2260,7 +2235,7 @@ 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;
@@ -2270,7 +2245,7 @@ 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;
@@ -2293,7 +2268,7 @@ struct output_char
 
 /* Hash table comparison function for ps_combo structs. */
 static int
-compare_ps_combo (const void *pa, const void *pb, void *foo unused)
+compare_ps_combo (const void *pa, const void *pb, void *foo UNUSED)
 {
   const struct ps_font_combo *a = pa;
   const struct ps_font_combo *b = pb;
@@ -2303,7 +2278,7 @@ compare_ps_combo (const void *pa, const void *pb, void *foo unused)
 
 /* Hash table hash function for ps_combo structs. */
 static unsigned
-hash_ps_combo (const void *pa, void *foo unused)
+hash_ps_combo (const void *pa, void *foo UNUSED)
 {
   const struct ps_font_combo *a = pa;
   unsigned name_hash = hsh_hash_string (a->font->font->internal_name);
@@ -2312,7 +2287,7 @@ hash_ps_combo (const void *pa, void *foo unused)
 
 /* Hash table free function for ps_combo structs. */
 static void
-free_ps_combo (void *a, void *foo unused)
+free_ps_combo (void *a, void *foo UNUSED)
 {
   free (a);
 }
@@ -2411,7 +2386,7 @@ switch_font (struct outp_driver *this, const struct output_char *cp)
 static void
 write_text (struct outp_driver *this,
 	    const struct output_char *cp, const struct output_char *end,
-	    struct outp_text *t, int width unused, int width_left)
+	    struct outp_text *t, int width UNUSED, int width_left)
 {
   struct ps_driver_ext *ext = this->ext;
   int ofs;
@@ -2433,6 +2408,8 @@ write_text (struct outp_driver *this,
     case OUTP_T_JUST_CENTER:
       ofs = width_left / 2;
       break;
+    default:
+      assert (0);
     }
 
   lp = line;
@@ -2570,11 +2547,16 @@ text (struct outp_driver *this, struct outp_text *t, int draw)
       x = t->x;
       y = t->y;
     }
+  else
+    x = y = 0;
   width = width_left = (t->options & OUTP_T_HORZ) ? t->h : INT_MAX;
   height_left = (t->options & OUTP_T_VERT) ? t->v : INT_MAX;
   max_height = 0;
   prev_char = -1;
   space_char = NULL;
+  space_buf_loc = NULL;
+  space_width_left = 0;
+  
 
   if (!width || !height_left)
     goto exit;
@@ -2589,9 +2571,12 @@ text (struct outp_driver *this, struct outp_text *t, int draw)
 
       /* Set char_name to the name of the character or ligature at
          *cp. */
+      local_char_name[0] = *cp;
+      char_name = local_char_name;
       if (ext->current->font->ligatures && *cp == 'f')
 	{
 	  int lig = 0;
+          char_name = NULL;
 
 	  if (cp < end - 1)
 	    switch (cp[1])
@@ -2619,11 +2604,9 @@ text (struct outp_driver *this, struct outp_text *t, int draw)
 	      }
 	  if ((lig & ext->current->font->ligatures) == 0)
 	    {
-	      local_char_name[0] = *cp++;	/* 'f' */
+	      local_char_name[0] = *cp;	/* 'f' */
 	      char_name = local_char_name;
 	    }
-	  else
-	    cp += strlen (char_name);
 	}
       else if (*cp == '\n')
 	{
@@ -2646,11 +2629,7 @@ text (struct outp_driver *this, struct outp_text *t, int draw)
 	     set separate to 1. */
 	  continue;
 	}
-      else
-	{
-	  local_char_name[0] = *cp++;
-	  char_name = local_char_name;
-	}
+      cp += strlen (char_name);
 
       /* Figure out what size this character is, and what kern
          adjustment we need. */
@@ -2782,14 +2761,14 @@ 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);
@@ -2810,7 +2789,7 @@ static struct hsh_table *ps_fonts;
 
 /* Hash table comparison function for filename2font structs. */
 static int
-compare_filename2font (const void *a, const void *b, void *param unused)
+compare_filename2font (const void *a, const void *b, void *param UNUSED)
 {
   return strcmp (((struct filename2font *) a)->filename,
 		 ((struct filename2font *) b)->filename);
@@ -2818,7 +2797,7 @@ compare_filename2font (const void *a, const void *b, void *param unused)
 
 /* Hash table hash function for filename2font structs. */
 static unsigned
-hash_filename2font (const void *f2f_, void *param unused)
+hash_filename2font (const void *f2f_, void *param UNUSED)
 {
   const struct filename2font *f2f = f2f_;
   return hsh_hash_string (f2f->filename);