kc3-lang/gnulib/m4/snprintf-posix.m4
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Hash : 480a59ba
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Date : 2023-03-24T22:14:09
*printf-posix: ISO C 23: Support size specifiers 'wN' and 'wfN'. * lib/printf-args.h: Include <stdint.h>. (arg_type): Add TYPE_[U]INT8_T, ..., TYPE_[U]INT_FAST64_T and TYPE_COUNT_INT8_T_POINTER, ..., TYPE_COUNT_INT_FAST64_T_POINTER. (argument): Add the union members a_[u]int8_t, ..., a_[u]int_fast64_t and a_count_int8_t_pointer, ..., a_count_int_fast64_t_pointer. * lib/printf-args.c: Include <limits.h>. (PRINTF_FETCHARGS): Handle TYPE_[U]INT8_T, ..., TYPE_[U]INT_FAST64_T and TYPE_COUNT_INT8_T_POINTER, ..., TYPE_COUNT_INT_FAST64_T_POINTER. * lib/printf-parse.c (PRINTF_PARSE): Accept only one size specifier, not a sequence of size specifiers. Accept "wN" and "wfN", where N = 8, 16, 32, 64. * lib/vasnprintf.c (MAX_ROOM_NEEDED, VASNPRINTF): Handle the new TYPE_* values as well. * m4/printf.m4 (gl_PRINTF_SIZES_C23): New macro. * m4/vasnprintf-posix.m4 (gl_FUNC_VASNPRINTF_IS_POSIX): Require gl_PRINTF_SIZES_C23. Test gl_cv_func_printf_sizes_c23. * m4/dprintf-posix.m4 (gl_FUNC_DPRINTF_IS_POSIX): Likewise. * m4/fprintf-posix.m4 (gl_FUNC_FPRINTF_IS_POSIX): Likewise. * m4/obstack-printf-posix.m4 (gl_FUNC_OBSTACK_PRINTF_IS_POSIX): Likewise. * m4/snprintf-posix.m4 (gl_FUNC_SNPRINTF_IS_POSIX): Likewise. * m4/sprintf-posix.m4 (gl_FUNC_SPRINTF_IS_POSIX): Likewise. * m4/vasprintf-posix.m4 (gl_FUNC_VASPRINTF_IS_POSIX): Likewise. * m4/vdprintf-posix.m4 (gl_FUNC_VDPRINTF_IS_POSIX): Likewise. * m4/vfprintf-posix.m4 (gl_FUNC_VFPRINTF_IS_POSIX): Likewise. * m4/vsnprintf-posix.m4 (gl_FUNC_VSNPRINTF_IS_POSIX): Likewise. * m4/vsprintf-posix.m4 (gl_FUNC_VSPRINTF_IS_POSIX): Likewise. * tests/test-vasnprintf-posix.c (test_function): Add tests for size specifiers with %d, %u, %b, %o, %x. * tests/test-snprintf-posix.h (test_function): Likewise. * tests/test-sprintf-posix.h (test_function): Likewise. * tests/test-vasnwprintf-posix.c (test_function): Likewise. * tests/test-vasprintf-posix.c (test_function): Likewise. * modules/vasnprintf (Depends-on): Add limits-h. * modules/vasnwprintf (Depends-on): Add limits-h. * modules/c-vasnprintf (Depends-on): Add limits-h, stdint. * modules/unistdio/u-printf-args (Depends-on): Add stdint, limits-h. * doc/posix-functions/dprintf.texi: Mention the ISO C 23 size specifiers. * doc/posix-functions/fprintf.texi: Likewise. * doc/posix-functions/fwprintf.texi: Likewise. * doc/posix-functions/printf.texi: Likewise. * doc/posix-functions/snprintf.texi: Likewise. * doc/posix-functions/sprintf.texi: Likewise. * doc/posix-functions/swprintf.texi: Likewise. * doc/posix-functions/vdprintf.texi: Likewise. * doc/posix-functions/vfprintf.texi: Likewise. * doc/posix-functions/vfwprintf.texi: Likewise. * doc/posix-functions/vprintf.texi: Likewise. * doc/posix-functions/vsnprintf.texi: Likewise. * doc/posix-functions/vsprintf.texi: Likewise. * doc/posix-functions/vswprintf.texi: Likewise. * doc/posix-functions/vwprintf.texi: Likewise. * doc/posix-functions/wprintf.texi: Likewise.
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m4/snprintf-posix.m4
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# snprintf-posix.m4 serial 18 dnl Copyright (C) 2007-2023 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_FUNC_SNPRINTF_POSIX], [ AC_REQUIRE([gl_FUNC_SNPRINTF_IS_POSIX]) if test $gl_cv_func_snprintf_posix = no; then gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS gl_REPLACE_VASNPRINTF gl_REPLACE_SNPRINTF fi ]) dnl Test whether snprintf exists and is POSIX compliant. dnl Result is gl_cv_func_snprintf_posix. AC_DEFUN([gl_FUNC_SNPRINTF_IS_POSIX], [ AC_REQUIRE([gl_PRINTF_SIZES_C99]) AC_REQUIRE([gl_PRINTF_SIZES_C23]) AC_REQUIRE([gl_PRINTF_LONG_DOUBLE]) AC_REQUIRE([gl_PRINTF_INFINITE]) AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE]) AC_REQUIRE([gl_PRINTF_DIRECTIVE_A]) AC_REQUIRE([gl_PRINTF_DIRECTIVE_B]) AC_REQUIRE([gl_PRINTF_DIRECTIVE_F]) AC_REQUIRE([gl_PRINTF_DIRECTIVE_N]) AC_REQUIRE([gl_PRINTF_DIRECTIVE_LS]) AC_REQUIRE([gl_PRINTF_DIRECTIVE_LC]) AC_REQUIRE([gl_PRINTF_POSITIONS]) AC_REQUIRE([gl_PRINTF_FLAG_GROUPING]) AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST]) AC_REQUIRE([gl_PRINTF_FLAG_ZERO]) AC_REQUIRE([gl_PRINTF_PRECISION]) AC_REQUIRE([gl_PRINTF_ENOMEM]) gl_cv_func_snprintf_posix=no AC_CHECK_FUNCS([snprintf]) if test $ac_cv_func_snprintf = yes; then gl_SNPRINTF_TRUNCATION_C99 gl_SNPRINTF_RETVAL_C99 gl_SNPRINTF_DIRECTIVE_N gl_SNPRINTF_SIZE1 gl_VSNPRINTF_ZEROSIZE_C99 case "$gl_cv_func_printf_sizes_c99" in *yes) case "$gl_cv_func_printf_sizes_c23" in *yes) case "$gl_cv_func_printf_long_double" in *yes) case "$gl_cv_func_printf_infinite" in *yes) case "$gl_cv_func_printf_infinite_long_double" in *yes) case "$gl_cv_func_printf_directive_a" in *yes) case "$gl_cv_func_printf_directive_b" in *yes) case "$gl_cv_func_printf_directive_f" in *yes) case "$gl_cv_func_printf_directive_n" in *yes) case "$gl_cv_func_printf_directive_ls" in *yes) case "$gl_cv_func_printf_directive_lc" in *yes) case "$gl_cv_func_printf_positions" in *yes) case "$gl_cv_func_printf_flag_grouping" in *yes) case "$gl_cv_func_printf_flag_leftadjust" in *yes) case "$gl_cv_func_printf_flag_zero" in *yes) case "$gl_cv_func_printf_precision" in *yes) case "$gl_cv_func_printf_enomem" in *yes) case "$gl_cv_func_snprintf_truncation_c99" in *yes) case "$gl_cv_func_snprintf_retval_c99" in *yes) case "$gl_cv_func_snprintf_directive_n" in *yes) case "$gl_cv_func_snprintf_size1" in *yes) case "$gl_cv_func_vsnprintf_zerosize_c99" in *yes) # snprintf exists and is # already POSIX compliant. gl_cv_func_snprintf_posix=yes ;; esac ;; esac ;; esac ;; esac ;; esac ;; esac ;; esac ;; esac ;; esac ;; esac ;; esac ;; esac ;; esac ;; esac ;; esac ;; esac ;; esac ;; esac ;; esac ;; esac ;; esac ;; esac fi ])