diff options
Diffstat (limited to 'gl/m4/printf.m4')
| -rw-r--r-- | gl/m4/printf.m4 | 1044 |
1 files changed, 599 insertions, 445 deletions
diff --git a/gl/m4/printf.m4 b/gl/m4/printf.m4 index b31efe3e..ef44f785 100644 --- a/gl/m4/printf.m4 +++ b/gl/m4/printf.m4 @@ -1,5 +1,5 @@ -# printf.m4 serial 34 -dnl Copyright (C) 2003, 2007-2010 Free Software Foundation, Inc. +# printf.m4 serial 50 +dnl Copyright (C) 2003, 2007-2013 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. @@ -17,7 +17,8 @@ AC_DEFUN([gl_PRINTF_SIZES_C99], AC_CACHE_CHECK([whether printf supports size specifiers as in C99], [gl_cv_func_printf_sizes_c99], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include <stddef.h> #include <stdio.h> #include <string.h> @@ -31,53 +32,56 @@ AC_DEFUN([gl_PRINTF_SIZES_C99], static char buf[100]; int main () { + int result = 0; #if HAVE_STDINT_H_WITH_UINTMAX || HAVE_INTTYPES_H_WITH_UINTMAX buf[0] = '\0'; if (sprintf (buf, "%ju %d", (uintmax_t) 12345671, 33, 44, 55) < 0 || strcmp (buf, "12345671 33") != 0) - return 1; + result |= 1; #endif buf[0] = '\0'; if (sprintf (buf, "%zu %d", (size_t) 12345672, 33, 44, 55) < 0 || strcmp (buf, "12345672 33") != 0) - return 1; + result |= 2; buf[0] = '\0'; if (sprintf (buf, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55) < 0 || strcmp (buf, "12345673 33") != 0) - return 1; + result |= 4; buf[0] = '\0'; if (sprintf (buf, "%Lg %d", (long double) 1.5, 33, 44, 55) < 0 || strcmp (buf, "1.5 33") != 0) - return 1; - return 0; -}], [gl_cv_func_printf_sizes_c99=yes], [gl_cv_func_printf_sizes_c99=no], - [ + result |= 8; + return result; +}]])], + [gl_cv_func_printf_sizes_c99=yes], + [gl_cv_func_printf_sizes_c99=no], + [ changequote(,)dnl - case "$host_os" in - # Guess yes on glibc systems. - *-gnu*) gl_cv_func_printf_sizes_c99="guessing yes";; - # Guess yes on FreeBSD >= 5. - freebsd[1-4]*) gl_cv_func_printf_sizes_c99="guessing no";; - freebsd* | kfreebsd*) gl_cv_func_printf_sizes_c99="guessing yes";; - # Guess yes on MacOS X >= 10.3. - darwin[1-6].*) gl_cv_func_printf_sizes_c99="guessing no";; - darwin*) gl_cv_func_printf_sizes_c99="guessing yes";; - # Guess yes on OpenBSD >= 3.9. - openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*) - gl_cv_func_printf_sizes_c99="guessing no";; - openbsd*) gl_cv_func_printf_sizes_c99="guessing yes";; - # Guess yes on Solaris >= 2.10. - solaris2.[0-9]*) gl_cv_func_printf_sizes_c99="guessing no";; - solaris*) gl_cv_func_printf_sizes_c99="guessing yes";; - # Guess yes on NetBSD >= 3. - netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) - gl_cv_func_printf_sizes_c99="guessing no";; - netbsd*) gl_cv_func_printf_sizes_c99="guessing yes";; - # If we don't know, assume the worst. - *) gl_cv_func_printf_sizes_c99="guessing no";; - esac + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_printf_sizes_c99="guessing yes";; + # Guess yes on FreeBSD >= 5. + freebsd[1-4]*) gl_cv_func_printf_sizes_c99="guessing no";; + freebsd* | kfreebsd*) gl_cv_func_printf_sizes_c99="guessing yes";; + # Guess yes on Mac OS X >= 10.3. + darwin[1-6].*) gl_cv_func_printf_sizes_c99="guessing no";; + darwin*) gl_cv_func_printf_sizes_c99="guessing yes";; + # Guess yes on OpenBSD >= 3.9. + openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*) + gl_cv_func_printf_sizes_c99="guessing no";; + openbsd*) gl_cv_func_printf_sizes_c99="guessing yes";; + # Guess yes on Solaris >= 2.10. + solaris2.[1-9][0-9]*) gl_cv_func_printf_sizes_c99="guessing yes";; + solaris*) gl_cv_func_printf_sizes_c99="guessing no";; + # Guess yes on NetBSD >= 3. + netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) + gl_cv_func_printf_sizes_c99="guessing no";; + netbsd*) gl_cv_func_printf_sizes_c99="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_printf_sizes_c99="guessing no";; + esac changequote([,])dnl - ]) + ]) ]) ]) @@ -92,35 +96,39 @@ AC_DEFUN([gl_PRINTF_LONG_DOUBLE], AC_CACHE_CHECK([whether printf supports 'long double' arguments], [gl_cv_func_printf_long_double], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include <stdio.h> #include <string.h> static char buf[10000]; int main () { + int result = 0; buf[0] = '\0'; if (sprintf (buf, "%Lf %d", 1.75L, 33, 44, 55) < 0 || strcmp (buf, "1.750000 33") != 0) - return 1; + result |= 1; buf[0] = '\0'; if (sprintf (buf, "%Le %d", 1.75L, 33, 44, 55) < 0 || strcmp (buf, "1.750000e+00 33") != 0) - return 1; + result |= 2; buf[0] = '\0'; if (sprintf (buf, "%Lg %d", 1.75L, 33, 44, 55) < 0 || strcmp (buf, "1.75 33") != 0) - return 1; - return 0; -}], [gl_cv_func_printf_long_double=yes], [gl_cv_func_printf_long_double=no], - [ + result |= 4; + return result; +}]])], + [gl_cv_func_printf_long_double=yes], + [gl_cv_func_printf_long_double=no], + [ changequote(,)dnl - case "$host_os" in - beos*) gl_cv_func_printf_long_double="guessing no";; - mingw* | pw*) gl_cv_func_printf_long_double="guessing no";; - *) gl_cv_func_printf_long_double="guessing yes";; - esac + case "$host_os" in + beos*) gl_cv_func_printf_long_double="guessing no";; + mingw* | pw*) gl_cv_func_printf_long_double="guessing no";; + *) gl_cv_func_printf_long_double="guessing yes";; + esac changequote([,])dnl - ]) + ]) ]) ]) @@ -136,7 +144,8 @@ AC_DEFUN([gl_PRINTF_INFINITE], AC_CACHE_CHECK([whether printf supports infinite 'double' arguments], [gl_cv_func_printf_infinite], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include <stdio.h> #include <string.h> static int @@ -168,65 +177,68 @@ static char buf[10000]; static double zero = 0.0; int main () { - if (sprintf (buf, "%f", 1.0 / 0.0) < 0 + int result = 0; + if (sprintf (buf, "%f", 1.0 / zero) < 0 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) - return 1; - if (sprintf (buf, "%f", -1.0 / 0.0) < 0 + result |= 1; + if (sprintf (buf, "%f", -1.0 / zero) < 0 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) - return 1; + result |= 1; if (sprintf (buf, "%f", zero / zero) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; - if (sprintf (buf, "%e", 1.0 / 0.0) < 0 + result |= 2; + if (sprintf (buf, "%e", 1.0 / zero) < 0 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) - return 1; - if (sprintf (buf, "%e", -1.0 / 0.0) < 0 + result |= 4; + if (sprintf (buf, "%e", -1.0 / zero) < 0 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) - return 1; + result |= 4; if (sprintf (buf, "%e", zero / zero) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; - if (sprintf (buf, "%g", 1.0 / 0.0) < 0 + result |= 8; + if (sprintf (buf, "%g", 1.0 / zero) < 0 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) - return 1; - if (sprintf (buf, "%g", -1.0 / 0.0) < 0 + result |= 16; + if (sprintf (buf, "%g", -1.0 / zero) < 0 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) - return 1; + result |= 16; if (sprintf (buf, "%g", zero / zero) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 32; /* This test fails on HP-UX 10.20. */ if (have_minus_zero ()) if (sprintf (buf, "%g", - zero) < 0 || strcmp (buf, "-0") != 0) - return 1; - return 0; -}], [gl_cv_func_printf_infinite=yes], [gl_cv_func_printf_infinite=no], - [ + result |= 64; + return result; +}]])], + [gl_cv_func_printf_infinite=yes], + [gl_cv_func_printf_infinite=no], + [ changequote(,)dnl - case "$host_os" in - # Guess yes on glibc systems. - *-gnu*) gl_cv_func_printf_infinite="guessing yes";; - # Guess yes on FreeBSD >= 6. - freebsd[1-5]*) gl_cv_func_printf_infinite="guessing no";; - freebsd* | kfreebsd*) gl_cv_func_printf_infinite="guessing yes";; - # Guess yes on MacOS X >= 10.3. - darwin[1-6].*) gl_cv_func_printf_infinite="guessing no";; - darwin*) gl_cv_func_printf_infinite="guessing yes";; - # Guess yes on HP-UX >= 11. - hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite="guessing no";; - hpux*) gl_cv_func_printf_infinite="guessing yes";; - # Guess yes on NetBSD >= 3. - netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) - gl_cv_func_printf_infinite="guessing no";; - netbsd*) gl_cv_func_printf_infinite="guessing yes";; - # Guess yes on BeOS. - beos*) gl_cv_func_printf_infinite="guessing yes";; - # If we don't know, assume the worst. - *) gl_cv_func_printf_infinite="guessing no";; - esac + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_printf_infinite="guessing yes";; + # Guess yes on FreeBSD >= 6. + freebsd[1-5]*) gl_cv_func_printf_infinite="guessing no";; + freebsd* | kfreebsd*) gl_cv_func_printf_infinite="guessing yes";; + # Guess yes on Mac OS X >= 10.3. + darwin[1-6].*) gl_cv_func_printf_infinite="guessing no";; + darwin*) gl_cv_func_printf_infinite="guessing yes";; + # Guess yes on HP-UX >= 11. + hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite="guessing no";; + hpux*) gl_cv_func_printf_infinite="guessing yes";; + # Guess yes on NetBSD >= 3. + netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) + gl_cv_func_printf_infinite="guessing no";; + netbsd*) gl_cv_func_printf_infinite="guessing yes";; + # Guess yes on BeOS. + beos*) gl_cv_func_printf_infinite="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_printf_infinite="guessing no";; + esac changequote([,])dnl - ]) + ]) ]) ]) @@ -239,6 +251,7 @@ AC_DEFUN([gl_PRINTF_INFINITE_LONG_DOUBLE], AC_REQUIRE([gl_PRINTF_LONG_DOUBLE]) AC_REQUIRE([AC_PROG_CC]) AC_REQUIRE([gl_BIGENDIAN]) + AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE]) AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles dnl The user can set or unset the variable gl_printf_safe to indicate dnl that he wishes a safe handling of non-IEEE-754 'long double' values. @@ -252,7 +265,8 @@ AC_DEFUN([gl_PRINTF_INFINITE_LONG_DOUBLE], AC_CACHE_CHECK([whether printf supports infinite 'long double' arguments], [gl_cv_func_printf_infinite_long_double], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ ]GL_NOCRASH[ #include <float.h> #include <stdio.h> @@ -279,35 +293,36 @@ static char buf[10000]; static long double zeroL = 0.0L; int main () { + int result = 0; nocrash_init(); - if (sprintf (buf, "%Lf", 1.0L / 0.0L) < 0 + if (sprintf (buf, "%Lf", 1.0L / zeroL) < 0 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) - return 1; - if (sprintf (buf, "%Lf", -1.0L / 0.0L) < 0 + result |= 1; + if (sprintf (buf, "%Lf", -1.0L / zeroL) < 0 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) - return 1; + result |= 1; if (sprintf (buf, "%Lf", zeroL / zeroL) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; - if (sprintf (buf, "%Le", 1.0L / 0.0L) < 0 + result |= 1; + if (sprintf (buf, "%Le", 1.0L / zeroL) < 0 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) - return 1; - if (sprintf (buf, "%Le", -1.0L / 0.0L) < 0 + result |= 1; + if (sprintf (buf, "%Le", -1.0L / zeroL) < 0 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) - return 1; + result |= 1; if (sprintf (buf, "%Le", zeroL / zeroL) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; - if (sprintf (buf, "%Lg", 1.0L / 0.0L) < 0 + result |= 1; + if (sprintf (buf, "%Lg", 1.0L / zeroL) < 0 || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0)) - return 1; - if (sprintf (buf, "%Lg", -1.0L / 0.0L) < 0 + result |= 1; + if (sprintf (buf, "%Lg", -1.0L / zeroL) < 0 || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0)) - return 1; + result |= 1; if (sprintf (buf, "%Lg", zeroL / zeroL) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; -#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) + result |= 1; +#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE /* Representation of an 80-bit 'long double' as an initializer for a sequence of 'unsigned int' words. */ # ifdef WORDS_BIGENDIAN @@ -325,13 +340,13 @@ int main () { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) }; if (sprintf (buf, "%Lf", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 2; if (sprintf (buf, "%Le", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 2; if (sprintf (buf, "%Lg", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 2; } { /* Signalling NaN. */ @@ -339,113 +354,106 @@ int main () { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) }; if (sprintf (buf, "%Lf", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 2; if (sprintf (buf, "%Le", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 2; if (sprintf (buf, "%Lg", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 2; } { /* Pseudo-NaN. */ static union { unsigned int word[4]; long double value; } x = { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) }; if (sprintf (buf, "%Lf", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 4; if (sprintf (buf, "%Le", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 4; if (sprintf (buf, "%Lg", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 4; } { /* Pseudo-Infinity. */ static union { unsigned int word[4]; long double value; } x = { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) }; if (sprintf (buf, "%Lf", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 8; if (sprintf (buf, "%Le", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 8; if (sprintf (buf, "%Lg", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 8; } { /* Pseudo-Zero. */ static union { unsigned int word[4]; long double value; } x = { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) }; if (sprintf (buf, "%Lf", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 16; if (sprintf (buf, "%Le", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 16; if (sprintf (buf, "%Lg", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 16; } { /* Unnormalized number. */ static union { unsigned int word[4]; long double value; } x = { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) }; if (sprintf (buf, "%Lf", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 32; if (sprintf (buf, "%Le", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 32; if (sprintf (buf, "%Lg", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 32; } { /* Pseudo-Denormal. */ static union { unsigned int word[4]; long double value; } x = { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) }; if (sprintf (buf, "%Lf", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 64; if (sprintf (buf, "%Le", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 64; if (sprintf (buf, "%Lg", x.value) < 0 || !strisnan (buf, 0, strlen (buf))) - return 1; + result |= 64; } #endif - return 0; -}], - [gl_cv_func_printf_infinite_long_double=yes], - [gl_cv_func_printf_infinite_long_double=no], - [ + return result; +}]])], + [gl_cv_func_printf_infinite_long_double=yes], + [gl_cv_func_printf_infinite_long_double=no], + [ changequote(,)dnl - case "$host_cpu" in - # Guess no on ia64, x86_64, i386. - ia64 | x86_64 | i*86) gl_cv_func_printf_infinite_long_double="guessing no";; - *) - case "$host_os" in - # Guess yes on glibc systems. - *-gnu*) gl_cv_func_printf_infinite_long_double="guessing yes";; - # Guess yes on FreeBSD >= 6. - freebsd[1-5]*) gl_cv_func_printf_infinite_long_double="guessing no";; - freebsd* | kfreebsd*) gl_cv_func_printf_infinite_long_double="guessing yes";; - # Guess yes on MacOS X >= 10.3. - darwin[1-6].*) gl_cv_func_printf_infinite_long_double="guessing no";; - darwin*) gl_cv_func_printf_infinite_long_double="guessing yes";; - # Guess yes on HP-UX >= 11. - hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite_long_double="guessing no";; - hpux*) gl_cv_func_printf_infinite_long_double="guessing yes";; - # Guess yes on NetBSD >= 3. - netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) - gl_cv_func_printf_infinite_long_double="guessing no";; - netbsd*) gl_cv_func_printf_infinite_long_double="guessing yes";; - # If we don't know, assume the worst. - *) gl_cv_func_printf_infinite_long_double="guessing no";; - esac - ;; - esac + case "$host_cpu" in + # Guess no on ia64, x86_64, i386. + ia64 | x86_64 | i*86) gl_cv_func_printf_infinite_long_double="guessing no";; + *) + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_printf_infinite_long_double="guessing yes";; + # Guess yes on FreeBSD >= 6. + freebsd[1-5]*) gl_cv_func_printf_infinite_long_double="guessing no";; + freebsd* | kfreebsd*) gl_cv_func_printf_infinite_long_double="guessing yes";; + # Guess yes on HP-UX >= 11. + hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite_long_double="guessing no";; + hpux*) gl_cv_func_printf_infinite_long_double="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_printf_infinite_long_double="guessing no";; + esac + ;; + esac changequote([,])dnl - ]) + ]) ]) ;; *) @@ -466,72 +474,77 @@ AC_DEFUN([gl_PRINTF_DIRECTIVE_A], AC_CACHE_CHECK([whether printf supports the 'a' and 'A' directives], [gl_cv_func_printf_directive_a], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include <stdio.h> #include <string.h> static char buf[100]; +static double zero = 0.0; int main () { + int result = 0; if (sprintf (buf, "%a %d", 3.1416015625, 33, 44, 55) < 0 || (strcmp (buf, "0x1.922p+1 33") != 0 && strcmp (buf, "0x3.244p+0 33") != 0 && strcmp (buf, "0x6.488p-1 33") != 0 && strcmp (buf, "0xc.91p-2 33") != 0)) - return 1; + result |= 1; if (sprintf (buf, "%A %d", -3.1416015625, 33, 44, 55) < 0 || (strcmp (buf, "-0X1.922P+1 33") != 0 && strcmp (buf, "-0X3.244P+0 33") != 0 && strcmp (buf, "-0X6.488P-1 33") != 0 && strcmp (buf, "-0XC.91P-2 33") != 0)) - return 1; + result |= 2; /* This catches a FreeBSD 6.1 bug: it doesn't round. */ if (sprintf (buf, "%.2a %d", 1.51, 33, 44, 55) < 0 || (strcmp (buf, "0x1.83p+0 33") != 0 && strcmp (buf, "0x3.05p-1 33") != 0 && strcmp (buf, "0x6.0ap-2 33") != 0 && strcmp (buf, "0xc.14p-3 33") != 0)) - return 1; + result |= 4; /* This catches a FreeBSD 6.1 bug. See <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */ - if (sprintf (buf, "%010a %d", 1.0 / 0.0, 33, 44, 55) < 0 + if (sprintf (buf, "%010a %d", 1.0 / zero, 33, 44, 55) < 0 || buf[0] == '0') - return 1; - /* This catches a MacOS X 10.3.9 (Darwin 7.9) bug. */ + result |= 8; + /* This catches a Mac OS X 10.3.9 (Darwin 7.9) bug. */ if (sprintf (buf, "%.1a", 1.999) < 0 || (strcmp (buf, "0x1.0p+1") != 0 && strcmp (buf, "0x2.0p+0") != 0 && strcmp (buf, "0x4.0p-1") != 0 && strcmp (buf, "0x8.0p-2") != 0)) - return 1; - /* This catches the same MacOS X 10.3.9 (Darwin 7.9) bug and also a + result |= 16; + /* This catches the same Mac OS X 10.3.9 (Darwin 7.9) bug and also a glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */ if (sprintf (buf, "%.1La", 1.999L) < 0 || (strcmp (buf, "0x1.0p+1") != 0 && strcmp (buf, "0x2.0p+0") != 0 && strcmp (buf, "0x4.0p-1") != 0 && strcmp (buf, "0x8.0p-2") != 0)) - return 1; - return 0; -}], [gl_cv_func_printf_directive_a=yes], [gl_cv_func_printf_directive_a=no], - [ - case "$host_os" in - # Guess yes on glibc >= 2.5 systems. - *-gnu*) - AC_EGREP_CPP([BZ2908], [ - #include <features.h> - #ifdef __GNU_LIBRARY__ - #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 5) || (__GLIBC__ > 2) - BZ2908 - #endif - #endif - ], - [gl_cv_func_printf_directive_a="guessing yes"], - [gl_cv_func_printf_directive_a="guessing no"]) - ;; - # If we don't know, assume the worst. - *) gl_cv_func_printf_directive_a="guessing no";; - esac - ]) + result |= 32; + return result; +}]])], + [gl_cv_func_printf_directive_a=yes], + [gl_cv_func_printf_directive_a=no], + [ + case "$host_os" in + # Guess yes on glibc >= 2.5 systems. + *-gnu*) + AC_EGREP_CPP([BZ2908], [ + #include <features.h> + #ifdef __GNU_LIBRARY__ + #if ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 5) || (__GLIBC__ > 2)) && !defined __UCLIBC__ + BZ2908 + #endif + #endif + ], + [gl_cv_func_printf_directive_a="guessing yes"], + [gl_cv_func_printf_directive_a="guessing no"]) + ;; + # If we don't know, assume the worst. + *) gl_cv_func_printf_directive_a="guessing no";; + esac + ]) ]) ]) @@ -546,43 +559,48 @@ AC_DEFUN([gl_PRINTF_DIRECTIVE_F], AC_CACHE_CHECK([whether printf supports the 'F' directive], [gl_cv_func_printf_directive_f], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include <stdio.h> #include <string.h> static char buf[100]; +static double zero = 0.0; int main () { + int result = 0; if (sprintf (buf, "%F %d", 1234567.0, 33, 44, 55) < 0 || strcmp (buf, "1234567.000000 33") != 0) - return 1; - if (sprintf (buf, "%F", 1.0 / 0.0) < 0 + result |= 1; + if (sprintf (buf, "%F", 1.0 / zero) < 0 || (strcmp (buf, "INF") != 0 && strcmp (buf, "INFINITY") != 0)) - return 1; + result |= 2; /* This catches a Cygwin 1.5.x bug. */ if (sprintf (buf, "%.F", 1234.0) < 0 || strcmp (buf, "1234") != 0) - return 1; - return 0; -}], [gl_cv_func_printf_directive_f=yes], [gl_cv_func_printf_directive_f=no], - [ + result |= 4; + return result; +}]])], + [gl_cv_func_printf_directive_f=yes], + [gl_cv_func_printf_directive_f=no], + [ changequote(,)dnl - case "$host_os" in - # Guess yes on glibc systems. - *-gnu*) gl_cv_func_printf_directive_f="guessing yes";; - # Guess yes on FreeBSD >= 6. - freebsd[1-5]*) gl_cv_func_printf_directive_f="guessing no";; - freebsd* | kfreebsd*) gl_cv_func_printf_directive_f="guessing yes";; - # Guess yes on MacOS X >= 10.3. - darwin[1-6].*) gl_cv_func_printf_directive_f="guessing no";; - darwin*) gl_cv_func_printf_directive_f="guessing yes";; - # Guess yes on Solaris >= 2.10. - solaris2.[0-9]*) gl_cv_func_printf_directive_f="guessing no";; - solaris*) gl_cv_func_printf_directive_f="guessing yes";; - # If we don't know, assume the worst. - *) gl_cv_func_printf_directive_f="guessing no";; - esac + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_printf_directive_f="guessing yes";; + # Guess yes on FreeBSD >= 6. + freebsd[1-5]*) gl_cv_func_printf_directive_f="guessing no";; + freebsd* | kfreebsd*) gl_cv_func_printf_directive_f="guessing yes";; + # Guess yes on Mac OS X >= 10.3. + darwin[1-6].*) gl_cv_func_printf_directive_f="guessing no";; + darwin*) gl_cv_func_printf_directive_f="guessing yes";; + # Guess yes on Solaris >= 2.10. + solaris2.[1-9][0-9]*) gl_cv_func_printf_sizes_c99="guessing yes";; + solaris*) gl_cv_func_printf_sizes_c99="guessing no";; + # If we don't know, assume the worst. + *) gl_cv_func_printf_directive_f="guessing no";; + esac changequote([,])dnl - ]) + ]) ]) ]) @@ -597,14 +615,30 @@ AC_DEFUN([gl_PRINTF_DIRECTIVE_N], AC_CACHE_CHECK([whether printf supports the 'n' directive], [gl_cv_func_printf_directive_n], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include <stdio.h> +#include <stdlib.h> #include <string.h> +#ifdef _MSC_VER +/* See page about "Parameter Validation" on msdn.microsoft.com. */ +static void cdecl +invalid_parameter_handler (const wchar_t *expression, + const wchar_t *function, + const wchar_t *file, unsigned int line, + uintptr_t dummy) +{ + exit (1); +} +#endif static char fmtstring[10]; static char buf[100]; int main () { int count = -1; +#ifdef _MSC_VER + _set_invalid_parameter_handler (invalid_parameter_handler); +#endif /* Copy the format string. Some systems (glibc with _FORTIFY_SOURCE=2) support %n in format strings in read-only memory but not in writable memory. */ @@ -614,14 +648,17 @@ int main () || count != 4) return 1; return 0; -}], [gl_cv_func_printf_directive_n=yes], [gl_cv_func_printf_directive_n=no], - [ +}]])], + [gl_cv_func_printf_directive_n=yes], + [gl_cv_func_printf_directive_n=no], + [ changequote(,)dnl - case "$host_os" in - *) gl_cv_func_printf_directive_n="guessing yes";; - esac + case "$host_os" in + mingw*) gl_cv_func_printf_directive_n="guessing no";; + *) gl_cv_func_printf_directive_n="guessing yes";; + esac changequote([,])dnl - ]) + ]) ]) ]) @@ -639,7 +676,8 @@ AC_DEFUN([gl_PRINTF_DIRECTIVE_LS], AC_CACHE_CHECK([whether printf supports the 'ls' directive], [gl_cv_func_printf_directive_ls], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before <wchar.h>. BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be @@ -651,6 +689,7 @@ AC_DEFUN([gl_PRINTF_DIRECTIVE_LS], #include <string.h> int main () { + int result = 0; char buf[100]; /* Test whether %ls works at all. This test fails on OpenBSD 4.0, IRIX 6.5, Solaris 2.6, Haiku, but not on @@ -660,7 +699,7 @@ int main () buf[0] = '\0'; if (sprintf (buf, "%ls", wstring) < 0 || strcmp (buf, "abc") != 0) - return 1; + result |= 1; } /* This test fails on IRIX 6.5, Solaris 2.6, Cygwin 1.5, Haiku (with an assertion failure inside libc), but not on OpenBSD 4.0. */ @@ -669,7 +708,7 @@ int main () buf[0] = '\0'; if (sprintf (buf, "%ls", wstring) < 0 || strcmp (buf, "a") != 0) - return 1; + result |= 2; } /* Test whether precisions in %ls are supported as specified in ISO C 99 section 7.19.6.1: @@ -684,22 +723,24 @@ int main () buf[0] = '\0'; if (sprintf (buf, "%.2ls", wstring) < 0 || strcmp (buf, "ab") != 0) - return 1; + result |= 8; } - return 0; -}], [gl_cv_func_printf_directive_ls=yes], [gl_cv_func_printf_directive_ls=no], - [ + return result; +}]])], + [gl_cv_func_printf_directive_ls=yes], + [gl_cv_func_printf_directive_ls=no], + [ changequote(,)dnl - case "$host_os" in - openbsd*) gl_cv_func_printf_directive_ls="guessing no";; - irix*) gl_cv_func_printf_directive_ls="guessing no";; - solaris*) gl_cv_func_printf_directive_ls="guessing no";; - cygwin*) gl_cv_func_printf_directive_ls="guessing no";; - beos* | haiku*) gl_cv_func_printf_directive_ls="guessing no";; - *) gl_cv_func_printf_directive_ls="guessing yes";; - esac + case "$host_os" in + openbsd*) gl_cv_func_printf_directive_ls="guessing no";; + irix*) gl_cv_func_printf_directive_ls="guessing no";; + solaris*) gl_cv_func_printf_directive_ls="guessing no";; + cygwin*) gl_cv_func_printf_directive_ls="guessing no";; + beos* | haiku*) gl_cv_func_printf_directive_ls="guessing no";; + *) gl_cv_func_printf_directive_ls="guessing yes";; + esac changequote([,])dnl - ]) + ]) ]) ]) @@ -714,7 +755,8 @@ AC_DEFUN([gl_PRINTF_POSITIONS], AC_CACHE_CHECK([whether printf supports POSIX/XSI format strings with positions], [gl_cv_func_printf_positions], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include <stdio.h> #include <string.h> /* The string "%2$d %1$d", with dollar characters protected from the shell's @@ -725,18 +767,20 @@ int main () { sprintf (buf, format, 33, 55); return (strcmp (buf, "55 33") != 0); -}], [gl_cv_func_printf_positions=yes], [gl_cv_func_printf_positions=no], - [ +}]])], + [gl_cv_func_printf_positions=yes], + [gl_cv_func_printf_positions=no], + [ changequote(,)dnl - case "$host_os" in - netbsd[1-3]* | netbsdelf[1-3]* | netbsdaout[1-3]* | netbsdcoff[1-3]*) - gl_cv_func_printf_positions="guessing no";; - beos*) gl_cv_func_printf_positions="guessing no";; - mingw* | pw*) gl_cv_func_printf_positions="guessing no";; - *) gl_cv_func_printf_positions="guessing yes";; - esac + case "$host_os" in + netbsd[1-3]* | netbsdelf[1-3]* | netbsdaout[1-3]* | netbsdcoff[1-3]*) + gl_cv_func_printf_positions="guessing no";; + beos*) gl_cv_func_printf_positions="guessing no";; + mingw* | pw*) gl_cv_func_printf_positions="guessing no";; + *) gl_cv_func_printf_positions="guessing yes";; + esac changequote([,])dnl - ]) + ]) ]) ]) @@ -751,7 +795,8 @@ AC_DEFUN([gl_PRINTF_FLAG_GROUPING], AC_CACHE_CHECK([whether printf supports the grouping flag], [gl_cv_func_printf_flag_grouping], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include <stdio.h> #include <string.h> static char buf[100]; @@ -761,17 +806,19 @@ int main () || buf[strlen (buf) - 1] != '9') return 1; return 0; -}], [gl_cv_func_printf_flag_grouping=yes], [gl_cv_func_printf_flag_grouping=no], - [ +}]])], + [gl_cv_func_printf_flag_grouping=yes], + [gl_cv_func_printf_flag_grouping=no], + [ changequote(,)dnl - case "$host_os" in - cygwin*) gl_cv_func_printf_flag_grouping="guessing no";; - netbsd*) gl_cv_func_printf_flag_grouping="guessing no";; - mingw* | pw*) gl_cv_func_printf_flag_grouping="guessing no";; - *) gl_cv_func_printf_flag_grouping="guessing yes";; - esac + case "$host_os" in + cygwin*) gl_cv_func_printf_flag_grouping="guessing no";; + netbsd*) gl_cv_func_printf_flag_grouping="guessing no";; + mingw* | pw*) gl_cv_func_printf_flag_grouping="guessing no";; + *) gl_cv_func_printf_flag_grouping="guessing yes";; + esac changequote([,])dnl - ]) + ]) ]) ]) @@ -787,7 +834,8 @@ AC_DEFUN([gl_PRINTF_FLAG_LEFTADJUST], AC_CACHE_CHECK([whether printf supports the left-adjust flag correctly], [gl_cv_func_printf_flag_leftadjust], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include <stdio.h> #include <string.h> static char buf[100]; @@ -798,7 +846,7 @@ int main () || strcmp (buf, "ab c") != 0) return 1; return 0; -}], +}]])], [gl_cv_func_printf_flag_leftadjust=yes], [gl_cv_func_printf_flag_leftadjust=no], [ @@ -828,37 +876,44 @@ AC_DEFUN([gl_PRINTF_FLAG_ZERO], AC_CACHE_CHECK([whether printf supports the zero flag correctly], [gl_cv_func_printf_flag_zero], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include <stdio.h> #include <string.h> static char buf[100]; +static double zero = 0.0; int main () { - if (sprintf (buf, "%010f", 1.0 / 0.0, 33, 44, 55) < 0 + if (sprintf (buf, "%010f", 1.0 / zero, 33, 44, 55) < 0 || (strcmp (buf, " inf") != 0 && strcmp (buf, " infinity") != 0)) return 1; return 0; -}], [gl_cv_func_printf_flag_zero=yes], [gl_cv_func_printf_flag_zero=no], - [ +}]])], + [gl_cv_func_printf_flag_zero=yes], + [gl_cv_func_printf_flag_zero=no], + [ changequote(,)dnl - case "$host_os" in - # Guess yes on glibc systems. - *-gnu*) gl_cv_func_printf_flag_zero="guessing yes";; - # Guess yes on BeOS. - beos*) gl_cv_func_printf_flag_zero="guessing yes";; - # If we don't know, assume the worst. - *) gl_cv_func_printf_flag_zero="guessing no";; - esac + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_printf_flag_zero="guessing yes";; + # Guess yes on BeOS. + beos*) gl_cv_func_printf_flag_zero="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_printf_flag_zero="guessing no";; + esac changequote([,])dnl - ]) + ]) ]) ]) dnl Test whether the *printf family of functions supports large precisions. dnl On mingw, precisions larger than 512 are treated like 512, in integer, -dnl floating-point or pointer output. On BeOS, precisions larger than 1044 -dnl crash the program. +dnl floating-point or pointer output. On Solaris 10/x86, precisions larger +dnl than 510 in floating-point output crash the program. On Solaris 10/SPARC, +dnl precisions larger than 510 in floating-point output yield wrong results. +dnl On AIX 7.1, precisions larger than 998 in floating-point output yield +dnl wrong results. On BeOS, precisions larger than 1044 crash the program. dnl Result is gl_cv_func_printf_precision. AC_DEFUN([gl_PRINTF_PRECISION], @@ -868,30 +923,43 @@ AC_DEFUN([gl_PRINTF_PRECISION], AC_CACHE_CHECK([whether printf supports large precisions], [gl_cv_func_printf_precision], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include <stdio.h> #include <string.h> static char buf[5000]; int main () { + int result = 0; #ifdef __BEOS__ /* On BeOS, this would crash and show a dialog box. Avoid the crash. */ return 1; #endif if (sprintf (buf, "%.4000d %d", 1, 33, 44) < 4000 + 3) - return 1; - return 0; -}], [gl_cv_func_printf_precision=yes], [gl_cv_func_printf_precision=no], - [ + result |= 1; + if (sprintf (buf, "%.4000f %d", 1.0, 33, 44) < 4000 + 5) + result |= 2; + if (sprintf (buf, "%.511f %d", 1.0, 33, 44) < 511 + 5 + || buf[0] != '1') + result |= 4; + if (sprintf (buf, "%.999f %d", 1.0, 33, 44) < 999 + 5 + || buf[0] != '1') + result |= 4; + return result; +}]])], + [gl_cv_func_printf_precision=yes], + [gl_cv_func_printf_precision=no], + [ changequote(,)dnl - case "$host_os" in - # Guess no only on native Win32 and BeOS systems. - mingw* | pw*) gl_cv_func_printf_precision="guessing no" ;; - beos*) gl_cv_func_printf_precision="guessing no" ;; - *) gl_cv_func_printf_precision="guessing yes" ;; - esac + case "$host_os" in + # Guess no only on Solaris, native Windows, and BeOS systems. + solaris*) gl_cv_func_printf_precision="guessing no" ;; + mingw* | pw*) gl_cv_func_printf_precision="guessing no" ;; + beos*) gl_cv_func_printf_precision="guessing no" ;; + *) gl_cv_func_printf_precision="guessing yes" ;; + esac changequote([,])dnl - ]) + ]) ]) ]) @@ -960,8 +1028,9 @@ int main() changequote([,])dnl ])]) if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then - (./conftest + (./conftest 2>&AS_MESSAGE_LOG_FD result=$? + _AS_ECHO_LOG([\$? = $result]) if test $result != 0 && test $result != 77; then result=1; fi exit $result ) >/dev/null 2>/dev/null @@ -975,7 +1044,7 @@ changequote([,])dnl fi rm -fr conftest* else - dnl A universal build on Apple MacOS X platforms. + dnl A universal build on Apple Mac OS X platforms. dnl The result would be 'no' in 32-bit mode and 'yes' in 64-bit mode. dnl But we need a configuration result that is valid in both modes. gl_cv_func_printf_enomem="guessing no" @@ -1028,61 +1097,80 @@ AC_DEFUN([gl_SNPRINTF_TRUNCATION_C99], [ AC_REQUIRE([AC_PROG_CC]) AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([gl_SNPRINTF_PRESENCE]) AC_CACHE_CHECK([whether snprintf truncates the result as in C99], [gl_cv_func_snprintf_truncation_c99], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include <stdio.h> #include <string.h> +#if HAVE_SNPRINTF +# define my_snprintf snprintf +#else +# include <stdarg.h> +static int my_snprintf (char *buf, int size, const char *format, ...) +{ + va_list args; + int ret; + va_start (args, format); + ret = vsnprintf (buf, size, format, args); + va_end (args); + return ret; +} +#endif static char buf[100]; int main () { strcpy (buf, "ABCDEF"); - snprintf (buf, 3, "%d %d", 4567, 89); + my_snprintf (buf, 3, "%d %d", 4567, 89); if (memcmp (buf, "45\0DEF", 6) != 0) return 1; return 0; -}], [gl_cv_func_snprintf_truncation_c99=yes], [gl_cv_func_snprintf_truncation_c99=no], - [ +}]])], + [gl_cv_func_snprintf_truncation_c99=yes], + [gl_cv_func_snprintf_truncation_c99=no], + [ changequote(,)dnl - case "$host_os" in - # Guess yes on glibc systems. - *-gnu*) gl_cv_func_snprintf_truncation_c99="guessing yes";; - # Guess yes on FreeBSD >= 5. - freebsd[1-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";; - freebsd* | kfreebsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";; - # Guess yes on MacOS X >= 10.3. - darwin[1-6].*) gl_cv_func_snprintf_truncation_c99="guessing no";; - darwin*) gl_cv_func_snprintf_truncation_c99="guessing yes";; - # Guess yes on OpenBSD >= 3.9. - openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*) - gl_cv_func_snprintf_truncation_c99="guessing no";; - openbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";; - # Guess yes on Solaris >= 2.6. - solaris2.[0-5]*) gl_cv_func_snprintf_truncation_c99="guessing no";; - solaris*) gl_cv_func_snprintf_truncation_c99="guessing yes";; - # Guess yes on AIX >= 4. - aix[1-3]*) gl_cv_func_snprintf_truncation_c99="guessing no";; - aix*) gl_cv_func_snprintf_truncation_c99="guessing yes";; - # Guess yes on HP-UX >= 11. - hpux[7-9]* | hpux10*) gl_cv_func_snprintf_truncation_c99="guessing no";; - hpux*) gl_cv_func_snprintf_truncation_c99="guessing yes";; - # Guess yes on IRIX >= 6.5. - irix6.5) gl_cv_func_snprintf_truncation_c99="guessing yes";; - # Guess yes on OSF/1 >= 5. - osf[3-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";; - osf*) gl_cv_func_snprintf_truncation_c99="guessing yes";; - # Guess yes on NetBSD >= 3. - netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) - gl_cv_func_snprintf_truncation_c99="guessing no";; - netbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";; - # Guess yes on BeOS. - beos*) gl_cv_func_snprintf_truncation_c99="guessing yes";; - # If we don't know, assume the worst. - *) gl_cv_func_snprintf_truncation_c99="guessing no";; - esac + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on FreeBSD >= 5. + freebsd[1-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";; + freebsd* | kfreebsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on Mac OS X >= 10.3. + darwin[1-6].*) gl_cv_func_snprintf_truncation_c99="guessing no";; + darwin*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on OpenBSD >= 3.9. + openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*) + gl_cv_func_snprintf_truncation_c99="guessing no";; + openbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on Solaris >= 2.6. + solaris2.[0-5] | solaris2.[0-5].*) + gl_cv_func_snprintf_truncation_c99="guessing no";; + solaris*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on AIX >= 4. + aix[1-3]*) gl_cv_func_snprintf_truncation_c99="guessing no";; + aix*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on HP-UX >= 11. + hpux[7-9]* | hpux10*) gl_cv_func_snprintf_truncation_c99="guessing no";; + hpux*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on IRIX >= 6.5. + irix6.5) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on OSF/1 >= 5. + osf[3-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";; + osf*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on NetBSD >= 3. + netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) + gl_cv_func_snprintf_truncation_c99="guessing no";; + netbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # Guess yes on BeOS. + beos*) gl_cv_func_snprintf_truncation_c99="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_snprintf_truncation_c99="guessing no";; + esac changequote([,])dnl - ]) + ]) ]) ]) @@ -1105,52 +1193,74 @@ AC_DEFUN_ONCE([gl_SNPRINTF_RETVAL_C99], [ AC_REQUIRE([AC_PROG_CC]) AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([gl_SNPRINTF_PRESENCE]) AC_CACHE_CHECK([whether snprintf returns a byte count as in C99], [gl_cv_func_snprintf_retval_c99], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include <stdio.h> #include <string.h> +#if HAVE_SNPRINTF +# define my_snprintf snprintf +#else +# include <stdarg.h> +static int my_snprintf (char *buf, int size, const char *format, ...) +{ + va_list args; + int ret; + va_start (args, format); + ret = vsnprintf (buf, size, format, args); + va_end (args); + return ret; +} +#endif static char buf[100]; int main () { strcpy (buf, "ABCDEF"); - if (snprintf (buf, 3, "%d %d", 4567, 89) != 7) + if (my_snprintf (buf, 3, "%d %d", 4567, 89) != 7) return 1; + if (my_snprintf (buf, 0, "%d %d", 4567, 89) != 7) + return 2; + if (my_snprintf (NULL, 0, "%d %d", 4567, 89) != 7) + return 3; return 0; -}], [gl_cv_func_snprintf_retval_c99=yes], [gl_cv_func_snprintf_retval_c99=no], - [ +}]])], + [gl_cv_func_snprintf_retval_c99=yes], + [gl_cv_func_snprintf_retval_c99=no], + [ changequote(,)dnl - case "$host_os" in - # Guess yes on glibc systems. - *-gnu*) gl_cv_func_snprintf_retval_c99="guessing yes";; - # Guess yes on FreeBSD >= 5. - freebsd[1-4]*) gl_cv_func_snprintf_retval_c99="guessing no";; - freebsd* | kfreebsd*) gl_cv_func_snprintf_retval_c99="guessing yes";; - # Guess yes on MacOS X >= 10.3. - darwin[1-6].*) gl_cv_func_snprintf_retval_c99="guessing no";; - darwin*) gl_cv_func_snprintf_retval_c99="guessing yes";; - # Guess yes on OpenBSD >= 3.9. - openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*) - gl_cv_func_snprintf_retval_c99="guessing no";; - openbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";; - # Guess yes on Solaris >= 2.6. - solaris2.[0-5]*) gl_cv_func_snprintf_retval_c99="guessing no";; - solaris*) gl_cv_func_snprintf_retval_c99="guessing yes";; - # Guess yes on AIX >= 4. - aix[1-3]*) gl_cv_func_snprintf_retval_c99="guessing no";; - aix*) gl_cv_func_snprintf_retval_c99="guessing yes";; - # Guess yes on NetBSD >= 3. - netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) - gl_cv_func_snprintf_retval_c99="guessing no";; - netbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";; - # Guess yes on BeOS. - beos*) gl_cv_func_snprintf_retval_c99="guessing yes";; - # If we don't know, assume the worst. - *) gl_cv_func_snprintf_retval_c99="guessing no";; - esac + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_snprintf_retval_c99="guessing yes";; + # Guess yes on FreeBSD >= 5. + freebsd[1-4]*) gl_cv_func_snprintf_retval_c99="guessing no";; + freebsd* | kfreebsd*) gl_cv_func_snprintf_retval_c99="guessing yes";; + # Guess yes on Mac OS X >= 10.3. + darwin[1-6].*) gl_cv_func_snprintf_retval_c99="guessing no";; + darwin*) gl_cv_func_snprintf_retval_c99="guessing yes";; + # Guess yes on OpenBSD >= 3.9. + openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*) + gl_cv_func_snprintf_retval_c99="guessing no";; + openbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";; + # Guess yes on Solaris >= 2.10. + solaris2.[1-9][0-9]*) gl_cv_func_printf_sizes_c99="guessing yes";; + solaris*) gl_cv_func_printf_sizes_c99="guessing no";; + # Guess yes on AIX >= 4. + aix[1-3]*) gl_cv_func_snprintf_retval_c99="guessing no";; + aix*) gl_cv_func_snprintf_retval_c99="guessing yes";; + # Guess yes on NetBSD >= 3. + netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) + gl_cv_func_snprintf_retval_c99="guessing no";; + netbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";; + # Guess yes on BeOS. + beos*) gl_cv_func_snprintf_retval_c99="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_snprintf_retval_c99="guessing no";; + esac changequote([,])dnl - ]) + ]) ]) ]) @@ -1162,12 +1272,28 @@ AC_DEFUN([gl_SNPRINTF_DIRECTIVE_N], [ AC_REQUIRE([AC_PROG_CC]) AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + AC_REQUIRE([gl_SNPRINTF_PRESENCE]) AC_CACHE_CHECK([whether snprintf fully supports the 'n' directive], [gl_cv_func_snprintf_directive_n], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include <stdio.h> #include <string.h> +#if HAVE_SNPRINTF +# define my_snprintf snprintf +#else +# include <stdarg.h> +static int my_snprintf (char *buf, int size, const char *format, ...) +{ + va_list args; + int ret; + va_start (args, format); + ret = vsnprintf (buf, size, format, args); + va_end (args); + return ret; +} +#endif static char fmtstring[10]; static char buf[100]; int main () @@ -1177,44 +1303,47 @@ int main () support %n in format strings in read-only memory but not in writable memory. */ strcpy (fmtstring, "%d %n"); - snprintf (buf, 4, fmtstring, 12345, &count, 33, 44, 55); + my_snprintf (buf, 4, fmtstring, 12345, &count, 33, 44, 55); if (count != 6) return 1; return 0; -}], [gl_cv_func_snprintf_directive_n=yes], [gl_cv_func_snprintf_directive_n=no], - [ +}]])], + [gl_cv_func_snprintf_directive_n=yes], + [gl_cv_func_snprintf_directive_n=no], + [ changequote(,)dnl - case "$host_os" in - # Guess yes on glibc systems. - *-gnu*) gl_cv_func_snprintf_directive_n="guessing yes";; - # Guess yes on FreeBSD >= 5. - freebsd[1-4]*) gl_cv_func_snprintf_directive_n="guessing no";; - freebsd* | kfreebsd*) gl_cv_func_snprintf_directive_n="guessing yes";; - # Guess yes on MacOS X >= 10.3. - darwin[1-6].*) gl_cv_func_snprintf_directive_n="guessing no";; - darwin*) gl_cv_func_snprintf_directive_n="guessing yes";; - # Guess yes on Solaris >= 2.6. - solaris2.[0-5]*) gl_cv_func_snprintf_directive_n="guessing no";; - solaris*) gl_cv_func_snprintf_directive_n="guessing yes";; - # Guess yes on AIX >= 4. - aix[1-3]*) gl_cv_func_snprintf_directive_n="guessing no";; - aix*) gl_cv_func_snprintf_directive_n="guessing yes";; - # Guess yes on IRIX >= 6.5. - irix6.5) gl_cv_func_snprintf_directive_n="guessing yes";; - # Guess yes on OSF/1 >= 5. - osf[3-4]*) gl_cv_func_snprintf_directive_n="guessing no";; - osf*) gl_cv_func_snprintf_directive_n="guessing yes";; - # Guess yes on NetBSD >= 3. - netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) - gl_cv_func_snprintf_directive_n="guessing no";; - netbsd*) gl_cv_func_snprintf_directive_n="guessing yes";; - # Guess yes on BeOS. - beos*) gl_cv_func_snprintf_directive_n="guessing yes";; - # If we don't know, assume the worst. - *) gl_cv_func_snprintf_directive_n="guessing no";; - esac + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess yes on FreeBSD >= 5. + freebsd[1-4]*) gl_cv_func_snprintf_directive_n="guessing no";; + freebsd* | kfreebsd*) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess yes on Mac OS X >= 10.3. + darwin[1-6].*) gl_cv_func_snprintf_directive_n="guessing no";; + darwin*) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess yes on Solaris >= 2.6. + solaris2.[0-5] | solaris2.[0-5].*) + gl_cv_func_snprintf_directive_n="guessing no";; + solaris*) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess yes on AIX >= 4. + aix[1-3]*) gl_cv_func_snprintf_directive_n="guessing no";; + aix*) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess yes on IRIX >= 6.5. + irix6.5) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess yes on OSF/1 >= 5. + osf[3-4]*) gl_cv_func_snprintf_directive_n="guessing no";; + osf*) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess yes on NetBSD >= 3. + netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) + gl_cv_func_snprintf_directive_n="guessing no";; + netbsd*) gl_cv_func_snprintf_directive_n="guessing yes";; + # Guess yes on BeOS. + beos*) gl_cv_func_snprintf_directive_n="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_snprintf_directive_n="guessing no";; + esac changequote([,])dnl - ]) + ]) ]) ]) @@ -1226,20 +1355,36 @@ dnl Result is gl_cv_func_snprintf_size1. AC_DEFUN([gl_SNPRINTF_SIZE1], [ AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([gl_SNPRINTF_PRESENCE]) AC_CACHE_CHECK([whether snprintf respects a size of 1], [gl_cv_func_snprintf_size1], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include <stdio.h> +#if HAVE_SNPRINTF +# define my_snprintf snprintf +#else +# include <stdarg.h> +static int my_snprintf (char *buf, int size, const char *format, ...) +{ + va_list args; + int ret; + va_start (args, format); + ret = vsnprintf (buf, size, format, args); + va_end (args); + return ret; +} +#endif int main() { static char buf[8] = { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F' }; - snprintf (buf, 1, "%d", 12345); + my_snprintf (buf, 1, "%d", 12345); return buf[1] != 'E'; -}], - [gl_cv_func_snprintf_size1=yes], - [gl_cv_func_snprintf_size1=no], - [gl_cv_func_snprintf_size1="guessing yes"]) +}]])], + [gl_cv_func_snprintf_size1=yes], + [gl_cv_func_snprintf_size1=no], + [gl_cv_func_snprintf_size1="guessing yes"]) ]) ]) @@ -1286,7 +1431,8 @@ AC_DEFUN([gl_VSNPRINTF_ZEROSIZE_C99], AC_CACHE_CHECK([whether vsnprintf respects a zero size as in C99], [gl_cv_func_vsnprintf_zerosize_c99], [ - AC_TRY_RUN([ + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ #include <stdarg.h> #include <stdio.h> static int my_snprintf (char *buf, int size, const char *format, ...) @@ -1303,43 +1449,44 @@ int main() static char buf[8] = { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F' }; my_snprintf (buf, 0, "%d", 12345); return buf[0] != 'D'; -}], - [gl_cv_func_vsnprintf_zerosize_c99=yes], - [gl_cv_func_vsnprintf_zerosize_c99=no], - [ +}]])], + [gl_cv_func_vsnprintf_zerosize_c99=yes], + [gl_cv_func_vsnprintf_zerosize_c99=no], + [ changequote(,)dnl - case "$host_os" in - # Guess yes on glibc systems. - *-gnu*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; - # Guess yes on FreeBSD >= 5. - freebsd[1-4]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; - freebsd* | kfreebsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; - # Guess yes on MacOS X >= 10.3. - darwin[1-6].*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; - darwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; - # Guess yes on Cygwin. - cygwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; - # Guess yes on Solaris >= 2.6. - solaris2.[0-5]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; - solaris*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; - # Guess yes on AIX >= 4. - aix[1-3]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; - aix*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; - # Guess yes on IRIX >= 6.5. - irix6.5) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; - # Guess yes on NetBSD >= 3. - netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) - gl_cv_func_vsnprintf_zerosize_c99="guessing no";; - netbsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; - # Guess yes on BeOS. - beos*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; - # Guess yes on mingw. - mingw* | pw*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; - # If we don't know, assume the worst. - *) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; - esac + case "$host_os" in + # Guess yes on glibc systems. + *-gnu*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on FreeBSD >= 5. + freebsd[1-4]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; + freebsd* | kfreebsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on Mac OS X >= 10.3. + darwin[1-6].*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; + darwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on Cygwin. + cygwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on Solaris >= 2.6. + solaris2.[0-5] | solaris2.[0-5].*) + gl_cv_func_vsnprintf_zerosize_c99="guessing no";; + solaris*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on AIX >= 4. + aix[1-3]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; + aix*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on IRIX >= 6.5. + irix6.5) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on NetBSD >= 3. + netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*) + gl_cv_func_vsnprintf_zerosize_c99="guessing no";; + netbsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on BeOS. + beos*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # Guess yes on mingw. + mingw* | pw*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";; + # If we don't know, assume the worst. + *) gl_cv_func_vsnprintf_zerosize_c99="guessing no";; + esac changequote([,])dnl - ]) + ]) ]) ]) @@ -1393,24 +1540,31 @@ dnl 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 dnl glibc 2.5 . . . . . . . . . . . . . . . . . . . . dnl glibc 2.3.6 . . . . # . . . . . . . . . . . . . . . dnl FreeBSD 5.4, 6.1 . . . . # . . . . . . # . # . . . . . . -dnl MacOS X 10.3.9 . . . . # . . . . . . # . # . . . . . . +dnl Mac OS X 10.5.8 . . . # # . . . . . . # . . . . . . . . +dnl Mac OS X 10.3.9 . . . . # . . . . . . # . # . . . . . . dnl OpenBSD 3.9, 4.0 . . # # # # . # . # . # . # . . . . . . dnl Cygwin 1.7.0 (2009) . . . # . . . ? . . . . . ? . . . . . . dnl Cygwin 1.5.25 (2008) . . . # # . . # . . . . . # . . . . . . dnl Cygwin 1.5.19 (2006) # . . # # # . # . # . # # # . . . . . . -dnl Solaris 10 . . # # # . . # . . . # . . . . . . . . -dnl Solaris 2.6 ... 9 # . # # # # . # . . . # . . . . . . . . +dnl Solaris 11 2011-11 . . # # # . . # . . . # . . . . . . . . +dnl Solaris 10 . . # # # . . # . . . # # . . . . . . . +dnl Solaris 2.6 ... 9 # . # # # # . # . . . # # . . . # . . . dnl Solaris 2.5.1 # . # # # # . # . . . # . . # # # # # # +dnl AIX 7.1 . . # # # . . . . . . # # . . . . . . . dnl AIX 5.2 . . # # # . . . . . . # . . . . . . . . -dnl AIX 4.3.2, 5.1 # . # # # # . . . . . # . . . . . . . . +dnl AIX 4.3.2, 5.1 # . # # # # . . . . . # . . . . # . . . dnl HP-UX 11.31 . . . . # . . . . . . # . . . . # # . . dnl HP-UX 11.{00,11,23} # . . . # # . . . . . # . . . . # # . # dnl HP-UX 10.20 # . # . # # . ? . . # # . . . . # # ? # dnl IRIX 6.5 # . # # # # . # . . . # . . . . # . . . dnl OSF/1 5.1 # . # # # # . . . . . # . . . . # . . # dnl OSF/1 4.0d # . # # # # . . . . . # . . # # # # # # +dnl NetBSD 5.0 . . . # # . . . . . . # . # . . . . . . dnl NetBSD 4.0 . ? ? ? ? ? . ? . ? ? ? ? ? . . . ? ? ? dnl NetBSD 3.0 . . . . # # . ? # # ? # . # . . . . . . -dnl Haiku . . . # # # . # . . . . . ? . . . . . . -dnl BeOS # # . # # # . ? # . ? . # ? . . . . . . -dnl mingw # # # # # # . . # # . # # ? . # # # . . +dnl Haiku . . . # # # . # . . . . . ? . . ? . . . +dnl BeOS # # . # # # . ? # . ? . # ? . . ? . . . +dnl old mingw / msvcrt # # # # # # . . # # . # # ? . # # # . . +dnl MSVC 9 # # # # # # # . # # . # # ? # # # # . . +dnl mingw 2009-2011 . # . # . . . . # # . . . ? . . . . . . +dnl mingw-w64 2011 # # # # # # . . # # . # # ? . # # # . . |