Blame SOURCES/texinfo-4.12-zlib.patch

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diff -up texinfo-5.1/install-info/install-info.c.orig texinfo-5.1/install-info/install-info.c
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--- texinfo-5.1/install-info/install-info.c.orig	2013-03-09 03:21:55.000000000 +0100
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+++ texinfo-5.1/install-info/install-info.c	2013-03-18 12:47:02.721136885 +0100
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@@ -22,6 +22,7 @@
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 #include <getopt.h>
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 #include <regex.h>
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 #include <argz.h>
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+#include <zlib.h>
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 #define TAB_WIDTH 8
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@@ -670,7 +671,7 @@ The first time you invoke Info you start
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    MAGIC number, not the filename.  */
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-FILE *
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+void *
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 open_possibly_compressed_file (char *filename,
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     void (*create_callback) (char *),
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     char **opened_filename, char **compression_program, int *is_pipe) 
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@@ -678,7 +679,7 @@ open_possibly_compressed_file (char *fil
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   char *local_opened_filename, *local_compression_program;
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   int nread;
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   char data[13];
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-  FILE *f;
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+  gzFile *f;
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   /* We let them pass NULL if they don't want this info, but it's easier
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      to always determine it.  */
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@@ -686,48 +687,48 @@ open_possibly_compressed_file (char *fil
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     opened_filename = &local_opened_filename;
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   *opened_filename = filename;
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-  f = fopen (*opened_filename, FOPEN_RBIN);
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+  f = gzopen (*opened_filename, FOPEN_RBIN);
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   if (!f)
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     {
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       *opened_filename = concat (filename, ".gz", "");
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-      f = fopen (*opened_filename, FOPEN_RBIN);
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+      f = gzopen (*opened_filename, FOPEN_RBIN);
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     }
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   if (!f)
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     {
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       free (*opened_filename);
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       *opened_filename = concat (filename, ".xz", "");
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-      f = fopen (*opened_filename, FOPEN_RBIN);
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+      f = gzopen (*opened_filename, FOPEN_RBIN);
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     }
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   if (!f)
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     {
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       free (*opened_filename);
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       *opened_filename = concat (filename, ".bz2", "");
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-      f = fopen (*opened_filename, FOPEN_RBIN);
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+      f = gzopen (*opened_filename, FOPEN_RBIN);
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     }
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   if (!f)
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     {
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       free (*opened_filename);
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       *opened_filename = concat (filename, ".lz", "");
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-      f = fopen (*opened_filename, FOPEN_RBIN);
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+      f = gzopen (*opened_filename, FOPEN_RBIN);
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     }
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   if (!f)
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     {
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      free (*opened_filename);
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      *opened_filename = concat (filename, ".lzma", "");
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-     f = fopen (*opened_filename, FOPEN_RBIN);
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+     f = gzopen (*opened_filename, FOPEN_RBIN);
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     }
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 #ifdef __MSDOS__
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   if (!f)
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     {
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       free (*opened_filename);
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       *opened_filename = concat (filename, ".igz", "");
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-      f = fopen (*opened_filename, FOPEN_RBIN);
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+      f = gzopen (*opened_filename, FOPEN_RBIN);
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     }
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   if (!f)
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     {
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       free (*opened_filename);
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       *opened_filename = concat (filename, ".inz", "");
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-      f = fopen (*opened_filename, FOPEN_RBIN);
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+      f = gzopen (*opened_filename, FOPEN_RBIN);
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     }
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 #endif /* __MSDOS__ */
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    if (!f)
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@@ -739,7 +740,7 @@ open_possibly_compressed_file (char *fil
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            /* And try opening it again.  */
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            free (*opened_filename);
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            *opened_filename = filename;
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-           f = fopen (*opened_filename, FOPEN_RBIN);
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+           f = gzopen (*opened_filename, FOPEN_RBIN);
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            if (!f)
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              pfatal_with_name (filename);
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          }
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@@ -749,12 +750,12 @@ open_possibly_compressed_file (char *fil
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   /* Read first few bytes of file rather than relying on the filename.
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      If the file is shorter than this it can't be usable anyway.  */
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-  nread = fread (data, sizeof (data), 1, f);
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-  if (nread != 1)
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+  nread = gzread (f, data, sizeof (data));
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+  if (nread != sizeof (data))
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     {
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       /* Empty files don't set errno, so we get something like
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          "install-info: No error for foo", which is confusing.  */
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-      if (nread == 0)
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+      if (nread >= 0)
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         fatal (_("%s: empty file"), *opened_filename);
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       pfatal_with_name (*opened_filename);
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     }
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@@ -821,20 +822,22 @@ open_possibly_compressed_file (char *fil
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   if (*compression_program)
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     { /* It's compressed, so fclose the file and then open a pipe.  */
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+      FILE *p;
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       char *command = concat (*compression_program," -cd <", *opened_filename);
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-      if (fclose (f) < 0)
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+      if (gzclose (f) < 0)
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         pfatal_with_name (*opened_filename);
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-      f = popen (command, "r");
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-      if (f)
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+      p = popen (command, "r");
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+      if (p)
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         *is_pipe = 1;
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       else
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         pfatal_with_name (command);
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+      return p;
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     }
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   else
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     { /* It's a plain file, seek back over the magic bytes.  */
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-      if (fseek (f, 0, 0) < 0)
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+      if (gzseek (f, 0, SEEK_SET) < 0)
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         pfatal_with_name (*opened_filename);
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-#if O_BINARY
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+#if 0 && O_BINARY
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       /* Since this is a text file, and we opened it in binary mode,
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          switch back to text mode.  */
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       f = freopen (*opened_filename, "r", f);
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@@ -859,7 +862,7 @@ readfile (char *filename, int *sizep,
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     char **compression_program)
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 {
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   char *real_name;
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-  FILE *f;
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+  void *f;
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   int pipe_p;
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   int filled = 0;
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   int data_size = 8192;
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@@ -873,7 +876,12 @@ readfile (char *filename, int *sizep,
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   for (;;)
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     {
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-      int nread = fread (data + filled, 1, data_size - filled, f);
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+      int nread;
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+
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+      if (pipe_p)
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+        nread = fread (data + filled, 1, data_size - filled, f);
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+      else
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+        nread = gzread (f, data + filled, data_size - filled);
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       if (nread < 0)
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         pfatal_with_name (real_name);
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       if (nread == 0)
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@@ -895,7 +903,7 @@ readfile (char *filename, int *sizep,
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   if (pipe_p)
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     pclose (f);
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   else
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-    fclose (f);
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+    gzclose (f);
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   *sizep = filled;
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   return data;
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diff -up texinfo-5.1/install-info/Makefile.in.orig texinfo-5.1/install-info/Makefile.in
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--- texinfo-5.1/install-info/Makefile.in.orig	2013-03-12 23:56:43.000000000 +0100
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+++ texinfo-5.1/install-info/Makefile.in	2013-03-18 12:42:57.165767101 +0100
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@@ -171,7 +171,7 @@ am__installdirs = "$(DESTDIR)$(bindir)"
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 PROGRAMS = $(bin_PROGRAMS)
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 am_ginstall_info_OBJECTS = install-info.$(OBJEXT)
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 ginstall_info_OBJECTS = $(am_ginstall_info_OBJECTS)
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-ginstall_info_LDADD = $(LDADD)
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+ginstall_info_LDADD = $(LDADD) -lz
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 am__DEPENDENCIES_1 =
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 ginstall_info_DEPENDENCIES = $(top_builddir)/gnulib/lib/libgnu.a \
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 	$(am__DEPENDENCIES_1)