# stdio_h.m4 serial 31

dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.

dnl This file is free software; the Free Software Foundation

dnl gives unlimited permission to copy and/or distribute it,

dnl with or without modifications, as long as this notice is preserved.

AC_DEFUN([gl_STDIO_H],

[

AC_REQUIRE([gl_STDIO_H_DEFAULTS])

AC_REQUIRE([AC_C_INLINE])

AC_REQUIRE([gl_ASM_SYMBOL_PREFIX])

gl_CHECK_NEXT_HEADERS([stdio.h])

dnl No need to create extra modules for these functions. Everyone who uses

dnl <stdio.h> likely needs them.

GNULIB_FPRINTF=1

GNULIB_PRINTF=1

GNULIB_VFPRINTF=1

GNULIB_VPRINTF=1

GNULIB_FPUTC=1

GNULIB_PUTC=1

GNULIB_PUTCHAR=1

GNULIB_FPUTS=1

GNULIB_PUTS=1

GNULIB_FWRITE=1

dnl This ifdef is just an optimization, to avoid performing a configure

dnl check whose result is not used. It does not make the test of

dnl GNULIB_STDIO_H_SIGPIPE or GNULIB_SIGPIPE redundant.

m4_ifdef([gl_SIGNAL_SIGPIPE], [

gl_SIGNAL_SIGPIPE

if test $gl_cv_header_signal_h_SIGPIPE != yes; then

REPLACE_STDIO_WRITE_FUNCS=1

AC_LIBOBJ([stdio-write])

fi

])

dnl Check for declarations of anything we want to poison if the

dnl corresponding gnulib module is not in use, and which is not

dnl guaranteed by C89.

gl_WARN_ON_USE_PREPARE([[#include <stdio.h>

]], [dprintf fpurge fseeko ftello getdelim getline popen renameat

snprintf tmpfile vdprintf vsnprintf])

])

AC_DEFUN([gl_STDIO_MODULE_INDICATOR],

[

dnl Use AC_REQUIRE here, so that the default settings are expanded once only.

AC_REQUIRE([gl_STDIO_H_DEFAULTS])

gl_MODULE_INDICATOR_SET_VARIABLE([$1])

dnl Define it also as a C macro, for the benefit of the unit tests.

gl_MODULE_INDICATOR_FOR_TESTS([$1])

])

AC_DEFUN([gl_STDIO_H_DEFAULTS],

[

GNULIB_DPRINTF=0; AC_SUBST([GNULIB_DPRINTF])

GNULIB_FCLOSE=0; AC_SUBST([GNULIB_FCLOSE])

GNULIB_FFLUSH=0; AC_SUBST([GNULIB_FFLUSH])

GNULIB_FOPEN=0; AC_SUBST([GNULIB_FOPEN])

GNULIB_FPRINTF=0; AC_SUBST([GNULIB_FPRINTF])

GNULIB_FPRINTF_POSIX=0; AC_SUBST([GNULIB_FPRINTF_POSIX])

GNULIB_FPURGE=0; AC_SUBST([GNULIB_FPURGE])

GNULIB_FPUTC=0; AC_SUBST([GNULIB_FPUTC])

GNULIB_FPUTS=0; AC_SUBST([GNULIB_FPUTS])

GNULIB_FREOPEN=0; AC_SUBST([GNULIB_FREOPEN])

GNULIB_FSEEK=0; AC_SUBST([GNULIB_FSEEK])

GNULIB_FSEEKO=0; AC_SUBST([GNULIB_FSEEKO])

GNULIB_FTELL=0; AC_SUBST([GNULIB_FTELL])

GNULIB_FTELLO=0; AC_SUBST([GNULIB_FTELLO])

GNULIB_FWRITE=0; AC_SUBST([GNULIB_FWRITE])

GNULIB_GETDELIM=0; AC_SUBST([GNULIB_GETDELIM])

GNULIB_GETLINE=0; AC_SUBST([GNULIB_GETLINE])

GNULIB_OBSTACK_PRINTF=0; AC_SUBST([GNULIB_OBSTACK_PRINTF])

GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX])

GNULIB_PERROR=0; AC_SUBST([GNULIB_PERROR])

GNULIB_POPEN=0; AC_SUBST([GNULIB_POPEN])

GNULIB_PRINTF=0; AC_SUBST([GNULIB_PRINTF])

GNULIB_PRINTF_POSIX=0; AC_SUBST([GNULIB_PRINTF_POSIX])

GNULIB_PUTC=0; AC_SUBST([GNULIB_PUTC])

GNULIB_PUTCHAR=0; AC_SUBST([GNULIB_PUTCHAR])

GNULIB_PUTS=0; AC_SUBST([GNULIB_PUTS])

GNULIB_REMOVE=0; AC_SUBST([GNULIB_REMOVE])

GNULIB_RENAME=0; AC_SUBST([GNULIB_RENAME])

GNULIB_RENAMEAT=0; AC_SUBST([GNULIB_RENAMEAT])

GNULIB_SNPRINTF=0; AC_SUBST([GNULIB_SNPRINTF])

GNULIB_SPRINTF_POSIX=0; AC_SUBST([GNULIB_SPRINTF_POSIX])

GNULIB_STDIO_H_SIGPIPE=0; AC_SUBST([GNULIB_STDIO_H_SIGPIPE])

GNULIB_TMPFILE=0; AC_SUBST([GNULIB_TMPFILE])

GNULIB_VASPRINTF=0; AC_SUBST([GNULIB_VASPRINTF])

GNULIB_VDPRINTF=0; AC_SUBST([GNULIB_VDPRINTF])

GNULIB_VFPRINTF=0; AC_SUBST([GNULIB_VFPRINTF])

GNULIB_VFPRINTF_POSIX=0; AC_SUBST([GNULIB_VFPRINTF_POSIX])

GNULIB_VPRINTF=0; AC_SUBST([GNULIB_VPRINTF])

GNULIB_VPRINTF_POSIX=0; AC_SUBST([GNULIB_VPRINTF_POSIX])

GNULIB_VSNPRINTF=0; AC_SUBST([GNULIB_VSNPRINTF])

GNULIB_VSPRINTF_POSIX=0; AC_SUBST([GNULIB_VSPRINTF_POSIX])

dnl Assume proper GNU behavior unless another module says otherwise.

HAVE_DECL_FPURGE=1; AC_SUBST([HAVE_DECL_FPURGE])

HAVE_DECL_GETDELIM=1; AC_SUBST([HAVE_DECL_GETDELIM])

HAVE_DECL_GETLINE=1; AC_SUBST([HAVE_DECL_GETLINE])

HAVE_DECL_OBSTACK_PRINTF=1; AC_SUBST([HAVE_DECL_OBSTACK_PRINTF])

HAVE_DECL_SNPRINTF=1; AC_SUBST([HAVE_DECL_SNPRINTF])

HAVE_DECL_VSNPRINTF=1; AC_SUBST([HAVE_DECL_VSNPRINTF])

HAVE_DPRINTF=1; AC_SUBST([HAVE_DPRINTF])

HAVE_FSEEKO=1; AC_SUBST([HAVE_FSEEKO])

HAVE_FTELLO=1; AC_SUBST([HAVE_FTELLO])

HAVE_RENAMEAT=1; AC_SUBST([HAVE_RENAMEAT])

HAVE_VASPRINTF=1; AC_SUBST([HAVE_VASPRINTF])

HAVE_VDPRINTF=1; AC_SUBST([HAVE_VDPRINTF])

REPLACE_DPRINTF=0; AC_SUBST([REPLACE_DPRINTF])

REPLACE_FCLOSE=0; AC_SUBST([REPLACE_FCLOSE])

REPLACE_FFLUSH=0; AC_SUBST([REPLACE_FFLUSH])

REPLACE_FOPEN=0; AC_SUBST([REPLACE_FOPEN])

REPLACE_FPRINTF=0; AC_SUBST([REPLACE_FPRINTF])

REPLACE_FPURGE=0; AC_SUBST([REPLACE_FPURGE])

REPLACE_FREOPEN=0; AC_SUBST([REPLACE_FREOPEN])

REPLACE_FSEEK=0; AC_SUBST([REPLACE_FSEEK])

REPLACE_FSEEKO=0; AC_SUBST([REPLACE_FSEEKO])

REPLACE_FTELL=0; AC_SUBST([REPLACE_FTELL])

REPLACE_FTELLO=0; AC_SUBST([REPLACE_FTELLO])

REPLACE_GETDELIM=0; AC_SUBST([REPLACE_GETDELIM])

REPLACE_GETLINE=0; AC_SUBST([REPLACE_GETLINE])

REPLACE_OBSTACK_PRINTF=0; AC_SUBST([REPLACE_OBSTACK_PRINTF])

REPLACE_PERROR=0; AC_SUBST([REPLACE_PERROR])

REPLACE_POPEN=0; AC_SUBST([REPLACE_POPEN])

REPLACE_PRINTF=0; AC_SUBST([REPLACE_PRINTF])

REPLACE_REMOVE=0; AC_SUBST([REPLACE_REMOVE])

REPLACE_RENAME=0; AC_SUBST([REPLACE_RENAME])

REPLACE_RENAMEAT=0; AC_SUBST([REPLACE_RENAMEAT])

REPLACE_SNPRINTF=0; AC_SUBST([REPLACE_SNPRINTF])

REPLACE_SPRINTF=0; AC_SUBST([REPLACE_SPRINTF])

REPLACE_STDIO_WRITE_FUNCS=0; AC_SUBST([REPLACE_STDIO_WRITE_FUNCS])

REPLACE_TMPFILE=0; AC_SUBST([REPLACE_TMPFILE])

REPLACE_VASPRINTF=0; AC_SUBST([REPLACE_VASPRINTF])

REPLACE_VDPRINTF=0; AC_SUBST([REPLACE_VDPRINTF])

REPLACE_VFPRINTF=0; AC_SUBST([REPLACE_VFPRINTF])

REPLACE_VPRINTF=0; AC_SUBST([REPLACE_VPRINTF])

REPLACE_VSNPRINTF=0; AC_SUBST([REPLACE_VSNPRINTF])

REPLACE_VSPRINTF=0; AC_SUBST([REPLACE_VSPRINTF])

])

dnl Code shared by fseeko and ftello. Determine if large files are supported,

dnl but stdin does not start as a large file by default.

AC_DEFUN([gl_STDIN_LARGE_OFFSET],

[

AC_CACHE_CHECK([whether stdin defaults to large file offsets],

[gl_cv_var_stdin_large_offset],

[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]],

[[#if defined __SL64 && defined __SCLE /* cygwin */

/* Cygwin 1.5.24 and earlier fail to put stdin in 64-bit mode, making

fseeko/ftello needlessly fail. This bug was fixed in 1.5.25, and

it is easier to do a version check than building a runtime test. */

# include <cygwin/version.h>

# if CYGWIN_VERSION_DLL_COMBINED < CYGWIN_VERSION_DLL_MAKE_COMBINED (1005, 25)

choke me

# endif

#endif]])],

[gl_cv_var_stdin_large_offset=yes],

[gl_cv_var_stdin_large_offset=no])])

])