2N/A# stdio_h.m4 serial 31

2N/Adnl Copyright (C) 2007-2010 Free Software Foundation, Inc.

2N/Adnl This file is free software; the Free Software Foundation

2N/Adnl gives unlimited permission to copy and/or distribute it,

2N/Adnl with or without modifications, as long as this notice is preserved.

2N/A

2N/AAC_DEFUN([gl_STDIO_H],

2N/A[

2N/A AC_REQUIRE([gl_STDIO_H_DEFAULTS])

2N/A AC_REQUIRE([AC_C_INLINE])

2N/A AC_REQUIRE([gl_ASM_SYMBOL_PREFIX])

2N/A gl_CHECK_NEXT_HEADERS([stdio.h])

2N/A dnl No need to create extra modules for these functions. Everyone who uses

2N/A dnl <stdio.h> likely needs them.

2N/A GNULIB_FPRINTF=1

2N/A GNULIB_PRINTF=1

2N/A GNULIB_VFPRINTF=1

2N/A GNULIB_VPRINTF=1

2N/A GNULIB_FPUTC=1

2N/A GNULIB_PUTC=1

2N/A GNULIB_PUTCHAR=1

2N/A GNULIB_FPUTS=1

2N/A GNULIB_PUTS=1

2N/A GNULIB_FWRITE=1

2N/A dnl This ifdef is just an optimization, to avoid performing a configure

2N/A dnl check whose result is not used. It does not make the test of

2N/A dnl GNULIB_STDIO_H_SIGPIPE or GNULIB_SIGPIPE redundant.

2N/A m4_ifdef([gl_SIGNAL_SIGPIPE], [

2N/A gl_SIGNAL_SIGPIPE

2N/A if test $gl_cv_header_signal_h_SIGPIPE != yes; then

2N/A REPLACE_STDIO_WRITE_FUNCS=1

2N/A AC_LIBOBJ([stdio-write])

2N/A fi

2N/A ])

2N/A

2N/A dnl Check for declarations of anything we want to poison if the

2N/A dnl corresponding gnulib module is not in use, and which is not

2N/A dnl guaranteed by C89.

2N/A gl_WARN_ON_USE_PREPARE([[#include <stdio.h>

2N/A ]], [dprintf fpurge fseeko ftello getdelim getline popen renameat

2N/A snprintf tmpfile vdprintf vsnprintf])

2N/A])

2N/A

2N/AAC_DEFUN([gl_STDIO_MODULE_INDICATOR],

2N/A[

2N/A dnl Use AC_REQUIRE here, so that the default settings are expanded once only.

2N/A AC_REQUIRE([gl_STDIO_H_DEFAULTS])

2N/A gl_MODULE_INDICATOR_SET_VARIABLE([$1])

2N/A dnl Define it also as a C macro, for the benefit of the unit tests.

2N/A gl_MODULE_INDICATOR_FOR_TESTS([$1])

2N/A])

2N/A

2N/AAC_DEFUN([gl_STDIO_H_DEFAULTS],

2N/A[

2N/A GNULIB_DPRINTF=0; AC_SUBST([GNULIB_DPRINTF])

2N/A GNULIB_FCLOSE=0; AC_SUBST([GNULIB_FCLOSE])

2N/A GNULIB_FFLUSH=0; AC_SUBST([GNULIB_FFLUSH])

2N/A GNULIB_FOPEN=0; AC_SUBST([GNULIB_FOPEN])

2N/A GNULIB_FPRINTF=0; AC_SUBST([GNULIB_FPRINTF])

2N/A GNULIB_FPRINTF_POSIX=0; AC_SUBST([GNULIB_FPRINTF_POSIX])

2N/A GNULIB_FPURGE=0; AC_SUBST([GNULIB_FPURGE])

2N/A GNULIB_FPUTC=0; AC_SUBST([GNULIB_FPUTC])

2N/A GNULIB_FPUTS=0; AC_SUBST([GNULIB_FPUTS])

2N/A GNULIB_FREOPEN=0; AC_SUBST([GNULIB_FREOPEN])

2N/A GNULIB_FSEEK=0; AC_SUBST([GNULIB_FSEEK])

2N/A GNULIB_FSEEKO=0; AC_SUBST([GNULIB_FSEEKO])

2N/A GNULIB_FTELL=0; AC_SUBST([GNULIB_FTELL])

2N/A GNULIB_FTELLO=0; AC_SUBST([GNULIB_FTELLO])

2N/A GNULIB_FWRITE=0; AC_SUBST([GNULIB_FWRITE])

2N/A GNULIB_GETDELIM=0; AC_SUBST([GNULIB_GETDELIM])

2N/A GNULIB_GETLINE=0; AC_SUBST([GNULIB_GETLINE])

2N/A GNULIB_OBSTACK_PRINTF=0; AC_SUBST([GNULIB_OBSTACK_PRINTF])

2N/A GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX])

2N/A GNULIB_PERROR=0; AC_SUBST([GNULIB_PERROR])

2N/A GNULIB_POPEN=0; AC_SUBST([GNULIB_POPEN])

2N/A GNULIB_PRINTF=0; AC_SUBST([GNULIB_PRINTF])

2N/A GNULIB_PRINTF_POSIX=0; AC_SUBST([GNULIB_PRINTF_POSIX])

2N/A GNULIB_PUTC=0; AC_SUBST([GNULIB_PUTC])

2N/A GNULIB_PUTCHAR=0; AC_SUBST([GNULIB_PUTCHAR])

2N/A GNULIB_PUTS=0; AC_SUBST([GNULIB_PUTS])

2N/A GNULIB_REMOVE=0; AC_SUBST([GNULIB_REMOVE])

2N/A GNULIB_RENAME=0; AC_SUBST([GNULIB_RENAME])

2N/A GNULIB_RENAMEAT=0; AC_SUBST([GNULIB_RENAMEAT])

2N/A GNULIB_SNPRINTF=0; AC_SUBST([GNULIB_SNPRINTF])

2N/A GNULIB_SPRINTF_POSIX=0; AC_SUBST([GNULIB_SPRINTF_POSIX])

2N/A GNULIB_STDIO_H_SIGPIPE=0; AC_SUBST([GNULIB_STDIO_H_SIGPIPE])

2N/A GNULIB_TMPFILE=0; AC_SUBST([GNULIB_TMPFILE])

2N/A GNULIB_VASPRINTF=0; AC_SUBST([GNULIB_VASPRINTF])

2N/A GNULIB_VDPRINTF=0; AC_SUBST([GNULIB_VDPRINTF])

2N/A GNULIB_VFPRINTF=0; AC_SUBST([GNULIB_VFPRINTF])

2N/A GNULIB_VFPRINTF_POSIX=0; AC_SUBST([GNULIB_VFPRINTF_POSIX])

2N/A GNULIB_VPRINTF=0; AC_SUBST([GNULIB_VPRINTF])

2N/A GNULIB_VPRINTF_POSIX=0; AC_SUBST([GNULIB_VPRINTF_POSIX])

2N/A GNULIB_VSNPRINTF=0; AC_SUBST([GNULIB_VSNPRINTF])

2N/A GNULIB_VSPRINTF_POSIX=0; AC_SUBST([GNULIB_VSPRINTF_POSIX])

2N/A dnl Assume proper GNU behavior unless another module says otherwise.

2N/A HAVE_DECL_FPURGE=1; AC_SUBST([HAVE_DECL_FPURGE])

2N/A HAVE_DECL_GETDELIM=1; AC_SUBST([HAVE_DECL_GETDELIM])

2N/A HAVE_DECL_GETLINE=1; AC_SUBST([HAVE_DECL_GETLINE])

2N/A HAVE_DECL_OBSTACK_PRINTF=1; AC_SUBST([HAVE_DECL_OBSTACK_PRINTF])

2N/A HAVE_DECL_SNPRINTF=1; AC_SUBST([HAVE_DECL_SNPRINTF])

2N/A HAVE_DECL_VSNPRINTF=1; AC_SUBST([HAVE_DECL_VSNPRINTF])

2N/A HAVE_DPRINTF=1; AC_SUBST([HAVE_DPRINTF])

2N/A HAVE_FSEEKO=1; AC_SUBST([HAVE_FSEEKO])

2N/A HAVE_FTELLO=1; AC_SUBST([HAVE_FTELLO])

2N/A HAVE_RENAMEAT=1; AC_SUBST([HAVE_RENAMEAT])

2N/A HAVE_VASPRINTF=1; AC_SUBST([HAVE_VASPRINTF])

2N/A HAVE_VDPRINTF=1; AC_SUBST([HAVE_VDPRINTF])

2N/A REPLACE_DPRINTF=0; AC_SUBST([REPLACE_DPRINTF])

2N/A REPLACE_FCLOSE=0; AC_SUBST([REPLACE_FCLOSE])

2N/A REPLACE_FFLUSH=0; AC_SUBST([REPLACE_FFLUSH])

2N/A REPLACE_FOPEN=0; AC_SUBST([REPLACE_FOPEN])

2N/A REPLACE_FPRINTF=0; AC_SUBST([REPLACE_FPRINTF])

2N/A REPLACE_FPURGE=0; AC_SUBST([REPLACE_FPURGE])

2N/A REPLACE_FREOPEN=0; AC_SUBST([REPLACE_FREOPEN])

2N/A REPLACE_FSEEK=0; AC_SUBST([REPLACE_FSEEK])

2N/A REPLACE_FSEEKO=0; AC_SUBST([REPLACE_FSEEKO])

2N/A REPLACE_FTELL=0; AC_SUBST([REPLACE_FTELL])

2N/A REPLACE_FTELLO=0; AC_SUBST([REPLACE_FTELLO])

2N/A REPLACE_GETDELIM=0; AC_SUBST([REPLACE_GETDELIM])

2N/A REPLACE_GETLINE=0; AC_SUBST([REPLACE_GETLINE])

2N/A REPLACE_OBSTACK_PRINTF=0; AC_SUBST([REPLACE_OBSTACK_PRINTF])

2N/A REPLACE_PERROR=0; AC_SUBST([REPLACE_PERROR])

2N/A REPLACE_POPEN=0; AC_SUBST([REPLACE_POPEN])

2N/A REPLACE_PRINTF=0; AC_SUBST([REPLACE_PRINTF])

2N/A REPLACE_REMOVE=0; AC_SUBST([REPLACE_REMOVE])

2N/A REPLACE_RENAME=0; AC_SUBST([REPLACE_RENAME])

2N/A REPLACE_RENAMEAT=0; AC_SUBST([REPLACE_RENAMEAT])

2N/A REPLACE_SNPRINTF=0; AC_SUBST([REPLACE_SNPRINTF])

2N/A REPLACE_SPRINTF=0; AC_SUBST([REPLACE_SPRINTF])

2N/A REPLACE_STDIO_WRITE_FUNCS=0; AC_SUBST([REPLACE_STDIO_WRITE_FUNCS])

2N/A REPLACE_TMPFILE=0; AC_SUBST([REPLACE_TMPFILE])

2N/A REPLACE_VASPRINTF=0; AC_SUBST([REPLACE_VASPRINTF])

2N/A REPLACE_VDPRINTF=0; AC_SUBST([REPLACE_VDPRINTF])

2N/A REPLACE_VFPRINTF=0; AC_SUBST([REPLACE_VFPRINTF])

2N/A REPLACE_VPRINTF=0; AC_SUBST([REPLACE_VPRINTF])

2N/A REPLACE_VSNPRINTF=0; AC_SUBST([REPLACE_VSNPRINTF])

2N/A REPLACE_VSPRINTF=0; AC_SUBST([REPLACE_VSPRINTF])

2N/A])

2N/A

2N/Adnl Code shared by fseeko and ftello. Determine if large files are supported,

2N/Adnl but stdin does not start as a large file by default.

2N/AAC_DEFUN([gl_STDIN_LARGE_OFFSET],

2N/A [

2N/A AC_CACHE_CHECK([whether stdin defaults to large file offsets],

2N/A [gl_cv_var_stdin_large_offset],

2N/A [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]],

2N/A[[#if defined __SL64 && defined __SCLE /* cygwin */

2N/A /* Cygwin 1.5.24 and earlier fail to put stdin in 64-bit mode, making

2N/A fseeko/ftello needlessly fail. This bug was fixed in 1.5.25, and

2N/A it is easier to do a version check than building a runtime test. */

2N/A# include <cygwin/version.h>

2N/A# if CYGWIN_VERSION_DLL_COMBINED < CYGWIN_VERSION_DLL_MAKE_COMBINED (1005, 25)

2N/A choke me

2N/A# endif

2N/A#endif]])],

2N/A [gl_cv_var_stdin_large_offset=yes],

2N/A [gl_cv_var_stdin_large_offset=no])])

2N/A])