File texinfo-zlib.patch of Package texinfo

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File texinfo-zlib.patch of Package texinfo

---
 install-info/Makefile.in    |    2 -
 install-info/install-info.c |   76 +++++++++++++++++++++++++++++++-------------
 2 files changed, 56 insertions(+), 22 deletions(-)

--- a/install-info/Makefile.in
+++ b/install-info/Makefile.in	2024-01-31 13:40:04.106538986 +0000
@@ -263,7 +263,7 @@ am__installdirs = "$(DESTDIR)$(bindir)"
 PROGRAMS = $(bin_PROGRAMS)
 am_ginstall_info_OBJECTS = install-info.$(OBJEXT)
 ginstall_info_OBJECTS = $(am_ginstall_info_OBJECTS)
-ginstall_info_LDADD = $(LDADD)
+ginstall_info_LDADD = $(LDADD) -lzio
 am__DEPENDENCIES_1 =
 ginstall_info_DEPENDENCIES = $(top_builddir)/gnulib/lib/libgnu.a \
 	$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \
--- a/install-info/install-info.c
+++ b/install-info/install-info.c	2024-01-31 14:05:20.746208687 +0000
@@ -19,6 +19,7 @@
 #include <getopt.h>
 #include <regex.h>
 #include <argz.h>
+#include <zio.h>
 
 #define TAB_WIDTH 8
 
@@ -823,25 +824,43 @@ determine_file_type:
 
   if (*compression_program)
     {
-      /* Redirect stdin to the file and fork the decompression process
-         reading from stdin.  This allows shell metacharacters in filenames. */
-      char *command = concat (*compression_program, " -d", "");
-      FILE *f2;
+      FILE *fz = f;
 
       if (fclose (f) < 0)
         return 0;
-      f2 = freopen (*opened_filename, FOPEN_RBIN, stdin);
-      if (!f)
-        return 0;
-      f = popen (command, "r");
-      fclose (f2);
-      if (!f)
+
+      if (**compression_program == 'g' || **compression_program == 'z')
+        fz = fzopen (*opened_filename, "rg");
+      if (**compression_program == 'b')
+        fz = fzopen (*opened_filename, "rb");
+      if (**compression_program == 'Z')
+        fz = fzopen (*opened_filename, "rZ");
+      if (**compression_program == 'l')
+        fz = fzopen (*opened_filename, "rl");
+      if (**compression_program == 'x')
+        fz = fzopen (*opened_filename, "rx");
+      if (!fz)
         {
-          /* Used for error message in calling code. */
-          *opened_filename = command;
-          return 0;
-        }
-      free (command);
+          /* Redirect stdin to the file and fork the decompression process
+             reading from stdin.  This allows shell metacharacters in filenames. */
+          char *command = concat (*compression_program, " -d", "");
+          FILE *f2;
+
+          f2 = freopen (*opened_filename, FOPEN_RBIN, stdin);
+          if (!f)
+            return 0;
+          f = popen (command, "r");
+          fclose (f2);
+          if (!f)
+            {
+              /* Used for error message in calling code. */
+              *opened_filename = command;
+              return 0;
+            }
+          free (command);
+        } 
+      else
+        f = fz;
     }
   else
     {
@@ -932,7 +951,7 @@ output_dirfile (char *dirfile, int dir_n
   FILE *output;
   int tempfile;
   static char *tempname;
-  int dirfile_len;
+  int dirfile_len, lzio;
   mode_t um;
 
   /* Create temporary file in the same directory as dirfile.  This ensures
@@ -957,13 +976,28 @@ output_dirfile (char *dirfile, int dir_n
       pfatal_with_name (tempname);
     }
 
+  lzio = 1;
   if (compression_program)
     {
-      char *command;
       close (tempfile);
-      command = concat (compression_program, ">", tempname);
-      output = popen (command, "w");
-      free (command);
+      output = NULL;
+      if (*compression_program == 'g' || *compression_program == 'z')
+        output = fzopen (tempname, "wg");
+      if (*compression_program == 'b')
+        output = fzopen (tempname, "wb");
+      if (*compression_program == 'Z')
+        output = fzopen (tempname, "wZ");
+      if (*compression_program == 'l')
+        output = fzopen (tempname, "wl");
+      if (*compression_program == 'x')
+        output = fzopen (tempname, "wx");
+      if (!output)
+        {
+          char *command = concat (compression_program, ">", tempname);
+          output = popen (command, "w");
+          free (command);
+          lzio = 0;
+        }
     }
   else
     output = fdopen (tempfile, "w");
@@ -1076,7 +1110,7 @@ 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.  */
-  if (compression_program)
+  if (lzio == 0)
     pclose (output);
   else
     fclose (output);

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