diff options
Diffstat (limited to 'gl/m4/printf.m4')
| -rw-r--r-- | gl/m4/printf.m4 | 47 |
1 files changed, 29 insertions, 18 deletions
diff --git a/gl/m4/printf.m4 b/gl/m4/printf.m4 index 6d1cbfe209..9c2ed1ef2f 100644 --- a/gl/m4/printf.m4 +++ b/gl/m4/printf.m4 @@ -1,5 +1,5 @@ -# printf.m4 serial 40 -dnl Copyright (C) 2003, 2007-2010 Free Software Foundation, Inc. +# printf.m4 serial 42 +dnl Copyright (C) 2003, 2007-2011 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. @@ -71,8 +71,8 @@ changequote(,)dnl 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";; + 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";; @@ -591,8 +591,8 @@ changequote(,)dnl 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";; + 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 @@ -890,8 +890,9 @@ 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 Solaris 10/x86, precisions larger -dnl than 510 in floating-point output crash the program. On BeOS, precisions -dnl larger than 1044 crash the program. +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 BeOS, precisions larger than 1044 crash the program. dnl Result is gl_cv_func_printf_precision. AC_DEFUN([gl_PRINTF_PRECISION], @@ -917,6 +918,9 @@ int main () 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; return result; }]])], [gl_cv_func_printf_precision=yes], @@ -1102,7 +1106,8 @@ changequote(,)dnl 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";; + 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";; @@ -1161,6 +1166,10 @@ int main () strcpy (buf, "ABCDEF"); if (snprintf (buf, 3, "%d %d", 4567, 89) != 7) return 1; + if (snprintf (buf, 0, "%d %d", 4567, 89) != 7) + return 2; + if (snprintf (NULL, 0, "%d %d", 4567, 89) != 7) + return 3; return 0; }]])], [gl_cv_func_snprintf_retval_c99=yes], @@ -1180,9 +1189,9 @@ changequote(,)dnl 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 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";; @@ -1243,7 +1252,8 @@ changequote(,)dnl 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";; + 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";; @@ -1371,7 +1381,8 @@ changequote(,)dnl # 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";; + 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";; @@ -1452,10 +1463,10 @@ dnl Cygwin 1.5.25 (2008) . . . # # . . # . . . . . # . dnl Cygwin 1.5.19 (2006) # . . # # # . # . # . # # # . . . . . . dnl Solaris 11 2010-11 . . # # # . . # . . . # . . . . . . . . dnl Solaris 10 . . # # # . . # . . . # # . . . . . . . -dnl Solaris 2.6 ... 9 # . # # # # . # . . . # . . . . . . . . +dnl Solaris 2.6 ... 9 # . # # # # . # . . . # # . . . # . . . dnl Solaris 2.5.1 # . # # # # . # . . . # . . # # # # # # dnl AIX 5.2, 7.1 . . # # # . . . . . . # . . . . . . . . -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 # . # . # # . ? . . # # . . . . # # ? # @@ -1465,6 +1476,6 @@ dnl OSF/1 4.0d # . # # # # . . . . . # . . # dnl NetBSD 5.0 . . . # # . . . . . . # . # . . . . . . dnl NetBSD 4.0 . ? ? ? ? ? . ? . ? ? ? ? ? . . . ? ? ? dnl NetBSD 3.0 . . . . # # . ? # # ? # . # . . . . . . -dnl Haiku . . . # # # . # . . . . . ? . . . . . . -dnl BeOS # # . # # # . ? # . ? . # ? . . . . . . +dnl Haiku . . . # # # . # . . . . . ? . . ? . . . +dnl BeOS # # . # # # . ? # . ? . # ? . . ? . . . dnl mingw # # # # # # . . # # . # # ? . # # # . . |