File texinfo-4.12-zlib.patch of Package texinfo

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File texinfo-4.12-zlib.patch of Package texinfo (Revision 4b73a7f435d13b33618d488055dbc28b)

Currently displaying revision 4b73a7f435d13b33618d488055dbc28b , Show latest

Index: configure.ac
===================================================================
--- configure.ac.orig
+++ configure.ac
@@ -432,6 +432,26 @@ case "$host" in
 esac     
 AM_CONDITIONAL([HOST_IS_WINDOWS], [test "x$host_is_windows" = "xyes"])
 
+#
+# Check for zlib and libbz2 libraries to use this together
+# with SuSE's libzio to open compressed info files.
+#
+AC_CHECK_HEADER(zlib.h,[
+  for lib in z gz
+  do
+    AC_CHECK_LIB($lib, gzopen, [LIBS="$LIBS -l$lib" ; break])
+  done])
+AC_CHECK_HEADER(bzlib.h,[
+  for lib in bz2 bzip2
+  do
+    AC_CHECK_LIB($lib, BZ2_bzopen, [LIBS="$LIBS -l$lib" ; break])
+  done])
+AC_CHECK_HEADER(zio.h,[
+    AC_CHECK_LIB(zio, fzopen, [LIBS="$LIBS -lzio"
+                 AC_DEFINE(HAVE_ZIO, [],
+		 	   [Define to 1 if you have libzio for opening compressed info files.])])
+  ])
+
 # The config files to generate.
 AC_CONFIG_FILES([\
   Makefile
Index: install-info/install-info.c
===================================================================
--- install-info/install-info.c.orig
+++ install-info/install-info.c
@@ -22,6 +22,9 @@
 #include <getopt.h>
 #include <regex.h>
 #include <argz.h>
+#ifdef HAVE_ZIO
+# include <zio.h>
+#endif
 
 #define TAB_WIDTH 8
 
@@ -701,22 +704,59 @@ open_possibly_compressed_file (char *fil
 
   *opened_filename = filename;
   f = fopen (*opened_filename, FOPEN_RBIN);
+#ifdef HAVE_ZIO
+  if (!compression_program)
+    compression_program = &local_compression_program;
+  *compression_program = NULL;
+  if (f)
+    {
+      nread = fread (data, sizeof (data), 1, f);
+      if (nread == 1)
+	{
+	  if (data[0] == '\x1f' && data[1] == '\x8b')
+	    *compression_program = "g";
+	  else if (data[0] == '\x1f' && data[1] == '\x9d')
+	    *compression_program = "Z";
+	  else if (data[0] == '\x1f' && data[1] == '\x9e')
+	    *compression_program = "z";
+	  else if (data[0] == 'B' && data[1] == 'Z' && data[2] == 'h')
+	    *compression_program = "b";
+	}
+      fclose (f);
+      f = fzopen (*opened_filename, FOPEN_RBIN);
+    }
+#endif
   if (!f)
     {
       *opened_filename = concat (filename, ".gz", "");
+#ifdef HAVE_ZIO
+      f = fzopen (*opened_filename, FOPEN_RBIN);
+      *compression_program = "g";
+#else
       f = fopen (*opened_filename, FOPEN_RBIN);
+#endif
     }
   if (!f)
     {
       free (*opened_filename);
       *opened_filename = concat (filename, ".xz", "");
+#ifdef HAVE_ZIO
+      f = fzopen (*opened_filename, FOPEN_RBIN);
+      *compression_program = "z";
+#else
       f = fopen (*opened_filename, FOPEN_RBIN);
+#endif
     }
   if (!f)
     {
       free (*opened_filename);
       *opened_filename = concat (filename, ".bz2", "");
+#ifdef HAVE_ZIO
+      f = fzopen (*opened_filename, FOPEN_RBIN);
+      *compression_program = "b";
+#else
       f = fopen (*opened_filename, FOPEN_RBIN);
+#endif
     }
   if (!f)
     {
@@ -757,7 +797,11 @@ open_possibly_compressed_file (char *fil
           (*create_callback) (filename);
 
           /* And try opening it again.  */
+#ifdef HAVE_ZIO
+          f = fzopen (*opened_filename, FOPEN_RBIN);
+#else
           f = fopen (*opened_filename, FOPEN_RBIN);
+#endif
           if (!f)
             return 0;
         }
@@ -765,6 +809,7 @@ open_possibly_compressed_file (char *fil
         return 0;
     }
 
+#ifndef HAVE_ZIO
   /* Read first few bytes of file rather than relying on the filename.
      If the file is shorter than this it can't be usable anyway.  */
   nread = fread (data, sizeof (data), 1, f);
@@ -868,6 +913,7 @@ open_possibly_compressed_file (char *fil
 	return 0;
 #endif
     }
+#endif /* HAVE_ZIO */
 
   return f;
 }
@@ -920,7 +966,11 @@ readfile (char *filename, int *sizep,
      by popen is simulated by a temporary file which only gets removed
      inside pclose.  */
   if (f != stdin)
+#ifdef HAVE_ZIO
+    fclose (f);
+#else
     pclose (f);
+#endif
 
   *sizep = filled;
   return data;
@@ -940,11 +990,23 @@ output_dirfile (char *dirfile, int dir_n
   int i;
   FILE *output;
 
+#ifndef HAVE_ZIO
   if (compression_program)
     {
       char *command = concat (compression_program, ">", dirfile);
       output = popen (command, "w");
     }
+#else
+  if (compression_program)
+    {
+      if (*compression_program == 'g' || *compression_program == 'z')
+	output = fzopen (dirfile, "wg");
+      if (*compression_program == 'b')
+	output = fzopen (dirfile, "wb");
+      if (*compression_program == 'Z')
+	output = fzopen (dirfile, "wZ");
+    }
+#endif
   else
     output = fopen (dirfile, "w");
 
@@ -1057,9 +1119,11 @@ output_dirfile (char *dirfile, int dir_n
   /* Some systems, such as MS-DOS, simulate pipes with temporary files.
      On those systems, the compressor actually gets run inside pclose,
      so we must call pclose.  */
+#ifndef HAVE_ZIO
   if (compression_program)
     pclose (output);
   else
+#endif
     fclose (output);
 }

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File texinfo-4.12-zlib.patch of Package texinfo (Revision 4b73a7f435d13b33618d488055dbc28b)

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