Bump version to 23.1.97.

[gnu-emacs] / lib-src / make-docfile.c

diff --git a/lib-src/make-docfile.c b/lib-src/make-docfile.c
index 72f6ddfd045974fa4d1cf686097a72c31cebb99f..eb15342ca5b1dce22cb04959dd23dc1ce872a8b1 100644 (file)
--- a/lib-src/make-docfile.c
+++ b/lib-src/make-docfile.c
@@ -1,6 +1,6 @@
 /* Generate doc-string file for GNU Emacs from source files.
    Copyright (C) 1985, 1986, 1992, 1993, 1994, 1997, 1999, 2000, 2001,
-                 2002, 2003, 2004, 2005, 2006, 2007, 2008
+                 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
                  Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
@@ -240,10 +240,10 @@ struct rcsoc_state
   /* A keyword we look for at the beginning of lines.  If found, it is
      not copied, and SAW_KEYWORD is set to true.  */
   char *keyword;
-  /* The current point we've reached in an occurance of KEYWORD in
+  /* The current point we've reached in an occurrence of KEYWORD in
      the input stream.  */
   char *cur_keyword_ptr;
-  /* Set to true if we saw an occurance of KEYWORD.  */
+  /* Set to true if we saw an occurrence of KEYWORD.  */
   int saw_keyword;
 };
 
@@ -354,7 +354,7 @@ scan_keyword_or_put_char (ch, state)
    PRINTFLAG is positive, output string contents to outfile.  If it is
    negative, store contents in buf.  Convert escape sequences \n and
    \t to newline and tab; discard \ followed by newline.
-   If SAW_USAGE is non-zero, then any occurances of the string `usage:'
+   If SAW_USAGE is non-zero, then any occurrences of the string `usage:'
    at the beginning of a line will be removed, and *SAW_USAGE set to
    true if any were encountered.  */
 
@@ -533,7 +533,7 @@ write_c_args (out, func, buf, minargs, maxargs)
 }
 \f
 /* Read through a c file.  If a .o file is named,
-   the corresponding .c file is read instead.
+   the corresponding .c or .m file is read instead.
    Looks for DEFUN constructs such as are defined in ../src/lisp.h.
    Accepts any word starting DEF... so it finds DEFSIMPLE and DEFPRED.  */
 
@@ -555,6 +555,15 @@ scan_c_file (filename, mode)
 
   infile = fopen (filename, mode);
 
+  if (infile == NULL && extension == 'o')
+    {
+      /* try .m */
+      filename[strlen (filename) - 1] = 'm';
+      infile = fopen (filename, mode);
+      if (infile == NULL)
+        filename[strlen (filename) - 1] = 'c'; /* don't confuse people */
+    }
+
   /* No error if non-ex input file */
   if (infile == NULL)
     {
@@ -898,9 +907,8 @@ scan_lisp_file (filename, mode)
              length--;
 
              /* Read in the contents.  */
-             if (saved_string != 0)
-               free (saved_string);
-             saved_string = (char *) malloc (length);
+             free (saved_string);
+             saved_string = (char *) xmalloc (length);
              for (i = 0; i < length; i++)
                saved_string[i] = getc (infile);
              /* The last character is a ^_.
@@ -999,7 +1007,9 @@ scan_lisp_file (filename, mode)
            }
        }
 
-      else if (! strcmp (buffer, "custom-declare-variable"))
+      else if (! strcmp (buffer, "custom-declare-variable")
+              || ! strcmp (buffer, "defvaralias")
+              )
        {
          char c1 = 0, c2 = 0;
          type = 'V';
@@ -1182,7 +1192,7 @@ scan_lisp_file (filename, mode)
       else
        {
 #ifdef DEBUG
-         fprintf (stderr, "## unrecognised top-level form, %s (%s)\n",
+         fprintf (stderr, "## unrecognized top-level form, %s (%s)\n",
                   buffer, filename);
 #endif
          continue;