diff -up texinfo-6.4/install-info/install-info.c.orig texinfo-6.4/install-info/install-info.c
--- texinfo-6.4/install-info/install-info.c.orig 2016-03-04 18:52:26.000000000 +0100
+++ texinfo-6.4/install-info/install-info.c 2017-06-27 15:14:20.167998983 +0200
@@ -22,6 +22,7 @@
#include <getopt.h>
#include <regex.h>
#include <argz.h>
+#include <zlib.h>
#define TAB_WIDTH 8
@@ -684,15 +685,15 @@ The first time you invoke Info you start
Return either stdin reading the file, or a non-stdin pipe reading
the output of the compression program. */
-FILE *
+void *
open_possibly_compressed_file (char *filename,
void (*create_callback) (char *),
- char **opened_filename, char **compression_program)
+ char **opened_filename, char **compression_program, int *is_pipe)
{
char *local_opened_filename, *local_compression_program;
int nread;
char data[13];
- FILE *f;
+ gzFile *f;
/* We let them pass NULL if they don't want this info, but it's easier
to always determine it. */
@@ -700,48 +701,48 @@ open_possibly_compressed_file (char *fil
opened_filename = &local_opened_filename;
*opened_filename = filename;
- f = fopen (*opened_filename, FOPEN_RBIN);
+ f = gzopen (*opened_filename, FOPEN_RBIN);
if (!f)
{
*opened_filename = concat (filename, ".gz", "");
- f = fopen (*opened_filename, FOPEN_RBIN);
+ f = gzopen (*opened_filename, FOPEN_RBIN);
}
if (!f)
{
free (*opened_filename);
*opened_filename = concat (filename, ".xz", "");
- f = fopen (*opened_filename, FOPEN_RBIN);
+ f = gzopen (*opened_filename, FOPEN_RBIN);
}
if (!f)
{
free (*opened_filename);
*opened_filename = concat (filename, ".bz2", "");
- f = fopen (*opened_filename, FOPEN_RBIN);
+ f = gzopen (*opened_filename, FOPEN_RBIN);
}
if (!f)
{
free (*opened_filename);
*opened_filename = concat (filename, ".lz", "");
- f = fopen (*opened_filename, FOPEN_RBIN);
+ f = gzopen (*opened_filename, FOPEN_RBIN);
}
if (!f)
{
free (*opened_filename);
*opened_filename = concat (filename, ".lzma", "");
- f = fopen (*opened_filename, FOPEN_RBIN);
+ f = gzopen (*opened_filename, FOPEN_RBIN);
}
#ifdef __MSDOS__
if (!f)
{
free (*opened_filename);
*opened_filename = concat (filename, ".igz", "");
- f = fopen (*opened_filename, FOPEN_RBIN);
+ f = gzopen (*opened_filename, FOPEN_RBIN);
}
if (!f)
{
free (*opened_filename);
*opened_filename = concat (filename, ".inz", "");
- f = fopen (*opened_filename, FOPEN_RBIN);
+ f = gzopen (*opened_filename, FOPEN_RBIN);
}
#endif /* __MSDOS__ */
if (!f)
@@ -757,7 +758,7 @@ open_possibly_compressed_file (char *fil
(*create_callback) (filename);
/* And try opening it again. */
- f = fopen (*opened_filename, FOPEN_RBIN);
+ f = gzopen (*opened_filename, FOPEN_RBIN);
if (!f)
return 0;
}
@@ -767,26 +768,26 @@ open_possibly_compressed_file (char *fil
/* 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);
- if (nread != 1)
+ nread = gzread (f, data, sizeof (data));
+ if (nread != sizeof (data))
{
- if (nread == 0)
+ if (nread >= 0)
{
/* Try to create the file if its empty. */
- if (feof (f) && create_callback)
+ if (gzeof (f) && create_callback)
{
- if (fclose (f) != 0)
+ if (gzclose (f) < 0)
return 0; /* unknown error closing file */
if (remove (filename) != 0)
return 0; /* unknown error deleting file */
(*create_callback) (filename);
- f = fopen (*opened_filename, FOPEN_RBIN);
+ f = gzopen (*opened_filename, FOPEN_RBIN);
if (!f)
return 0;
- nread = fread (data, sizeof (data), 1, f);
- if (nread == 0)
+ nread = gzread (f, data, sizeof (data));
+ if (nread <= 0)
return 0;
goto determine_file_type; /* success */
}
@@ -857,35 +858,40 @@ determine_file_type:
*compression_program = NULL;
/* Seek back over the magic bytes. */
- if (fseek (f, 0, 0) < 0)
+ if (gzseek (f, 0, SEEK_SET) == -1)
return 0;
if (*compression_program)
{ /* It's compressed, so open a pipe. */
+ FILE *p;
char *command = concat (*compression_program, " -d", "");
- if (fclose (f) < 0)
+ if (gzclose (f) < 0)
return 0;
- f = freopen (*opened_filename, FOPEN_RBIN, stdin);
- if (!f)
+ p = freopen (*opened_filename, FOPEN_RBIN, stdin);
+ if (!p)
return 0;
- f = popen (command, "r");
- if (!f)
+ p = popen (command, "r");
+ if (!p)
{
/* Used for error message in calling code. */
*opened_filename = command;
return 0;
}
+ else
+ *is_pipe = 1;
+ return p;
}
else
{
-#if O_BINARY
+#if 0 && O_BINARY
/* Since this is a text file, and we opened it in binary mode,
switch back to text mode. */
f = freopen (*opened_filename, "r", f);
if (! f)
return 0;
#endif
+ *is_pipe = 0;
}
return f;
@@ -904,7 +910,8 @@ readfile (char *filename, int *sizep,
void (*create_callback) (char *), char **opened_filename,
char **compression_program)
{
- FILE *f;
+ void *f;
+ int pipe_p;
int filled = 0;
int data_size = 8192;
char *data = xmalloc (data_size);
@@ -912,14 +919,20 @@ readfile (char *filename, int *sizep,
/* If they passed the space for the file name to return, use it. */
f = open_possibly_compressed_file (filename, create_callback,
opened_filename,
- compression_program);
+ compression_program,
+ &pipe_p);
if (!f)
return 0;
for (;;)
{
- int nread = fread (data + filled, 1, data_size - filled, f);
+ int nread;
+
+ if (pipe_p)
+ nread = fread (data + filled, 1, data_size - filled, f);
+ else
+ nread = gzread (f, data + filled, data_size - filled);
if (nread < 0)
return 0;
if (nread == 0)
@@ -938,8 +951,10 @@ readfile (char *filename, int *sizep,
/* We need to close the stream, since on some systems the pipe created
by popen is simulated by a temporary file which only gets removed
inside pclose. */
- if (f != stdin)
+ if (pipe_p)
pclose (f);
+ else
+ gzclose (f);
*sizep = filled;
return data;
diff -up texinfo-6.4/install-info/Makefile.in.orig texinfo-6.4/install-info/Makefile.in
--- texinfo-6.4/install-info/Makefile.in.orig 2017-06-23 08:04:39.000000000 +0200
+++ texinfo-6.4/install-info/Makefile.in 2017-06-27 15:14:20.167998983 +0200
@@ -221,7 +221,7 @@ 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) -lz
am__DEPENDENCIES_1 =
ginstall_info_DEPENDENCIES = $(top_builddir)/gnulib/lib/libgnu.a \
$(am__DEPENDENCIES_1)