Comments:	Authenticated sender is <mert0407 AT sable DOT ox DOT ac DOT uk>
From:	"George Foot" <george DOT foot AT merton DOT oxford DOT ac DOT uk>
To:	djgpp-workers AT delorie DOT com
Date:	Sun, 23 Aug 1998 22:17:28 +0000
MIME-Version:	1.0
Subject:	mkdoc.cc patch
Reply-to:	george DOT foot AT merton DOT oxford DOT ac DOT uk
Message-Id:	<E0zAhXJ-000897-00@sable.ox.ac.uk>

Sorry, forgot to include the patch!  It follows.


*** mkdoc.old	Sun Jun 28 22:39:06 1998
--- mkdoc.cc	Sun Aug 23 20:38:14 1998
***************
*** 8,13 ****
--- 8,14 ----
  #include <unistd.h>
  #include <stdlib.h>
  #include <ctype.h>
+ #include <stdarg.h>
  
  char *dj_strlwr(char *s)
  {
***************
*** 30,38 ****
  
  #define NUM_PORT_TARGETS 2
  
! #define PORT_NO      0
! #define PORT_PARTIAL 1
! #define PORT_YES     2
  
  /* Tokens for use in .txh files */
  char *port_target[NUM_PORT_TARGETS] = { "ansi", "posix" };
--- 31,40 ----
  
  #define NUM_PORT_TARGETS 2
  
! #define PORT_UNKNOWN 0
! #define PORT_NO      1
! #define PORT_PARTIAL 2
! #define PORT_YES     3
  
  /* Tokens for use in .txh files */
  char *port_target[NUM_PORT_TARGETS] = { "ansi", "posix" };
***************
*** 72,80 ****
--- 74,85 ----
    char *filename;
    int port_info[NUM_PORT_TARGETS];
    PortNote *port_notes;
+   PortNote *last_port_note;
    Node(char *name, char *cat);
    void add(char *line);
    void process(char *line);
+   void error(char *str, ...);
+   void extend_portability_note(char *str);
    void read_portability_note(char *str);
    void read_portability(char *str);
    void write_portability();
***************
*** 101,108 ****
    cat = strdup(Pcat);
    lines = 0;
    lastline = 0;
!   for (int i = 0; i < NUM_PORT_TARGETS; i++) port_info[i] = PORT_NO;
    port_notes = NULL;
  }
  
  void
--- 106,114 ----
    cat = strdup(Pcat);
    lines = 0;
    lastline = 0;
!   for (int i = 0; i < NUM_PORT_TARGETS; i++) port_info[i] = PORT_UNKNOWN;
    port_notes = NULL;
+   last_port_note = NULL;
  }
  
  void
***************
*** 119,129 ****
--- 125,158 ----
  }
  
  void
+ Node::error (char *str, ...)
+ {
+   va_list arg;
+   char s[1024];
+ 
+   va_start (arg, str);
+   vsprintf (s, str, arg);
+   va_end (arg);
+ 
+   fprintf (stderr, "Error (file %s, node %s): %s\n", filename, name, s);
+ }
+ 
+ void
+ Node::extend_portability_note(char *str)
+ {
+   int newsize = strlen (last_port_note->note) + strlen (str) + 1;
+   char *newstring = (char *) realloc (last_port_note->note, newsize);
+   strcat (newstring, str);
+   last_port_note->note = newstring;
+ }
+ 
+ void
  Node::read_portability_note(char *str)
  {
    char *work_str = strdup (str);
    char *s = work_str;
    char *target;
+   int targ_num;
  
    while (isspace(*s)) s++;
    target = s;
***************
*** 132,169 ****
    while (isspace(*s)) s++;
    dj_strlwr (target);
  
-   int targ_num;
    for (targ_num = 0; targ_num < NUM_PORT_TARGETS; targ_num++)
      if (!strcmp (target, port_target[targ_num])) break;
  
    if (targ_num == NUM_PORT_TARGETS)
    {
!     fprintf (stderr, "%s: unrecognised portability note target `%s' ignored.\n", filename, target);
    }
    else
    {
!     if (!*s)
      {
!       fprintf (stderr, "%s: empty portability note for target `%s' ignored.\n", filename, target);
      }
      else
      {
!       PortNote *p = new PortNote;
!       p->next = NULL;
!       p->number = 0;
!       p->target = targ_num;
!       p->note = strdup (s);
!       if (port_notes)
!       {
! 	PortNote *q = port_notes;
! 	while (q->next) q = q->next;
! 	q->next = p;
!       }
!       else
!       {
! 	port_notes = p;
!       }
      }
    }
    free (work_str);
  }
--- 161,192 ----
    while (isspace(*s)) s++;
    dj_strlwr (target);
  
    for (targ_num = 0; targ_num < NUM_PORT_TARGETS; targ_num++)
      if (!strcmp (target, port_target[targ_num])) break;
  
    if (targ_num == NUM_PORT_TARGETS)
    {
!     error ("unrecognised portability note target `%s' ignored.\n", target);
    }
    else
    {
!     PortNote *p = new PortNote;
!     p->next = NULL;
!     p->number = 0;
!     p->target = targ_num;
!     p->note = strdup ("");
! 
!     if (port_notes)
      {
!       last_port_note->next = p;
      }
      else
      {
!       port_notes = p;
      }
+     last_port_note = p;
+ 
+     if (*s) extend_portability_note (s);
    }
    free (work_str);
  }
***************
*** 183,188 ****
--- 206,215 ----
      {
        type = PORT_PARTIAL;
        target++;
+     } else if (*target == '!')
+     {
+       type = PORT_NO;
+       target++;
      }
  
      for (x = target; *x && !isspace(*x); x++);
***************
*** 194,200 ****
      if (i < NUM_PORT_TARGETS)
        port_info[i] = type;
      else
!       fprintf (stderr, "%s: unrecognised portability target `%s' ignored.\n", filename, target);
  
      target = x;
      while (isspace (*target)) target++;
--- 221,227 ----
      if (i < NUM_PORT_TARGETS)
        port_info[i] = type;
      else
!       error ("unrecognised portability target `%s' ignored.\n", target);
  
      target = x;
      while (isspace (*target)) target++;
***************
*** 225,260 ****
  	strcat (buffer, port_target_string[i]);
  	break;
      }
!     for (PortNote *p = port_notes; p; p = p->next)
      {
!       if (p->target == i)
        {
! 	char smallbuffer[10];
! 	p->number = note_number++;
! 	sprintf (smallbuffer, " (%d)", p->number);
! 	strcat (buffer, smallbuffer);
        }
      }
-     strcat (buffer, ", ");
    }
  
!   char *ch = strchr (buffer, 0) - 2;
!   if (*ch == ',')
!     *ch = 0;
!   else
!     strcpy (buffer, "Not portable.");
  
!   strcat (buffer, "\n");
    add(buffer);
  
!   for (int i = 1; i < note_number; i++)
!     for (PortNote *p = port_notes; p; p = p->next)
!       if (p->number == i)
!       {
! 	sprintf (buffer, "(%d) %s\n", i, p->note);
! 	add("\n");
! 	add(buffer);
!       }
  
    /* Now free the portability notes */
    while (port_notes) {
--- 252,302 ----
  	strcat (buffer, port_target_string[i]);
  	break;
      }
!     if (port_info[i] != PORT_UNKNOWN)
      {
!       for (PortNote *p = port_notes; p; p = p->next)
        {
! 	if (p->target == i)
! 	{
! 	  char smallbuffer[20];
! 	  p->number = note_number++;
! 	  sprintf (smallbuffer, " (see note %d)", p->number);
! 	  strcat (buffer, smallbuffer);
! 	  break;
! 	}
        }
+       strcat (buffer, ", ");
      }
    }
  
!   {
!     char *ch = strchr (buffer, 0) - 2;
!     if (*ch == ',')
!       *ch = 0;
!     else
!       strcpy (buffer, "Unknown.");
!   }
  
!   strcat (buffer, "\n\n");
    add(buffer);
  
!   if (note_number > 1)
!   {
!     add("@noindent\n");
!     add("Notes:\n");
!     add("\n");
!     add("@enumerate\n");
! 
!     for (int i = 1; i < note_number; i++)
!     {
!       add("@item\n");
!       for (PortNote *p = port_notes; p; p = p->next)
! 	if (p->number == i)
! 	  add(p->note);
!     }
! 
!     add("@end enumerate\n");
!   }
  
    /* Now free the portability notes */
    while (port_notes) {
***************
*** 263,283 ****
      free (p->note);
      delete p;
    }
! 
!   free(buffer);
  }
  
  void
  Node::process(char *line)
  {
!   if ((strncmp (line, "@portability", 12) == 0) && isspace 
(line[12]))
!   {
!     read_portability(line+13);
!     write_portability();
    }
!   else if (strncmp (line, "@port-note ", 11) == 0)
    {
!     read_portability_note(line+11);
    }
    else
    {
--- 305,334 ----
      free (p->note);
      delete p;
    }
!   last_port_note = NULL;
  }
  
  void
  Node::process(char *line)
  {
!   if (line[0] == '@') {
!     if ((strncmp (line, "@portability", 12) == 0) && isspace (line[12]))
!     {
!       read_portability(line+13);
!       write_portability();
!       return;
!     }
!     else if ((strncmp (line, "@port-note", 10) == 0) && isspace (line[10]))
!     {
!       read_portability_note(line+11);
!       return;
!     }
    }
!   
!   /* If `last_port_note' is not NULL, we're in the middle of a note */
!   if (last_port_note)
    {
!     extend_portability_note(line);
    }
    else
    {
-- 
george DOT foot AT merton DOT oxford DOT ac DOT uk

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