* lib/memchr.c, lib/stpcpy.c, lib/strndup.c, lib/strnlen.c:

[bison.git] / src / files.c

diff --git a/src/files.c b/src/files.c
index 235deb037356f97ce98641fde1f8aa490c30e239..eefa188d11cf72140eeb210e04f084acc4d504d1 100644 (file)
--- a/src/files.c
+++ b/src/files.c
@@ -27,20 +27,20 @@
 #include "complain.h"
 
 FILE *finput = NULL;
-FILE *foutput = NULL;
-FILE *fguard = NULL;
 
 struct obstack action_obstack;
 struct obstack attrs_obstack;
 struct obstack table_obstack;
 struct obstack defines_obstack;
+struct obstack guard_obstack;
+struct obstack output_obstack;
 
-/* File name specified with -o for the output file, or 0 if no -o.  */
-char *spec_outfile;
+char *spec_outfile;    /* for -o. */
+char *spec_file_prefix; /* for -b. */
+char *spec_name_prefix; /* for -p. */
 
 char *infile;
 char *attrsfile;
-char *guardfile;
 
 static char *base_name;
 static char *short_base_name;
@@ -185,11 +185,11 @@ compute_base_names (void)
       base_length = strlen (spec_outfile);
       if (strsuffix (spec_outfile, ".c"))
        base_length -= 2;
+      base_name = strndup (spec_outfile, base_length);
       /* SHORT_BASE_LENGTH includes neither ".tab" nor ".c".  */
       short_base_length = base_length;
-      if (strsuffix (spec_outfile, ".tab") || strsuffix (spec_outfile, "_tab"))
+      if (strsuffix (base_name, ".tab") || strsuffix (base_name, "_tab"))
        short_base_length -= 4;
-      base_name = strndup (spec_outfile, base_length);
       short_base_name = strndup (spec_outfile, short_base_length);
 
       return;
@@ -245,23 +245,15 @@ compute_base_names (void)
 void
 open_files (void)
 {
-  compute_base_names ();
-
   finput = xfopen (infile, "r");
 
-  if (verbose_flag)
-    /* We used to use just .out if spec_name_prefix (-p) was used, but
-       that conflicts with Posix.  */
-    foutput = xfopen (stringappend (base_name, EXT_OUTPUT), "w");
-
-  attrsfile = stringappend (short_base_name, EXT_STYPE_H);
-  guardfile = stringappend (short_base_name, EXT_GUARD_C);
-
   /* Initialize the obstacks. */
   obstack_init (&action_obstack);
   obstack_init (&attrs_obstack);
   obstack_init (&table_obstack);
   obstack_init (&defines_obstack);
+  obstack_init (&guard_obstack);
+  obstack_init (&output_obstack);
 }
 
 
@@ -273,9 +265,10 @@ open_files (void)
 void
 output_files (void)
 {
-  xfclose (fguard);
   xfclose (finput);
-  xfclose (foutput);
+
+  compute_base_names ();
+  attrsfile = stringappend (short_base_name, EXT_STYPE_H);
 
   /* Output the main file.  */
   if (spec_outfile)
@@ -294,5 +287,14 @@ output_files (void)
   /* If we produced a semantic parser ATTRS_OBSTACK must be dumped
      into its own file, ATTTRSFILE.  */
   if (semantic_parser)
-    obstack_save (&attrs_obstack, attrsfile);
+    {
+      obstack_save (&attrs_obstack, attrsfile);
+      obstack_save (&guard_obstack,
+                   stringappend (short_base_name, EXT_GUARD_C));
+    }
+
+  if (verbose_flag)
+    /* We used to use just .out if spec_name_prefix (-p) was used, but
+       that conflicts with Posix.  */
+    obstack_save (&output_obstack, stringappend (short_base_name, EXT_OUTPUT));
 }