diff options
| author | Bruno Haible <bruno@clisp.org> | 2010-07-31 13:33:32 +0200 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2010-07-31 13:33:32 +0200 |
| commit | 5f1cfee9e825db39e75bc2388856fb274d395e20 (patch) | |
| tree | b71c61fc8d98473d594a5d8341a6c5a47e8e7680 /m4 | |
| parent | 4f2ec69bf1dbf08065d2e248f4fcee2a52f52675 (diff) | |
| download | gnulib-5f1cfee9e825db39e75bc2388856fb274d395e20.tar.gz | |
iconv: Work around AIX 6.1..7.1 bug.
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/iconv.m4 | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/m4/iconv.m4 b/m4/iconv.m4 index f3c2ce868e..2a89c606e2 100644 --- a/m4/iconv.m4 +++ b/m4/iconv.m4 @@ -1,4 +1,4 @@ -# iconv.m4 serial 11a +# iconv.m4 serial 11b dnl Copyright (C) 2000-2002, 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, @@ -58,7 +58,8 @@ AC_DEFUN([AM_ICONV_LINK], ]) if test "$am_cv_func_iconv" = yes; then AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [ - dnl This tests against bugs in AIX 5.1, HP-UX 11.11, Solaris 10. + dnl This tests against bugs in AIX 5.1, AIX 6.1..7.1, HP-UX 11.11, + dnl Solaris 10. am_save_LIBS="$LIBS" if test $am_cv_lib_iconv = yes; then LIBS="$LIBS $LIBICONV" @@ -106,6 +107,24 @@ int main () return 1; } } + /* Test against AIX 6.1..7.1 bug: Buffer overrun. */ + { + iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1"); + if (cd_88591_to_utf8 != (iconv_t)(-1)) + { + static const char input[] = "\304"; + static char buf[2] = { (char)0xDE, (char)0xAD }; + const char *inptr = input; + size_t inbytesleft = 1; + char *outptr = buf; + size_t outbytesleft = 1; + size_t res = iconv (cd_88591_to_utf8, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD) + return 1; + } + } #if 0 /* This bug could be worked around by the caller. */ /* Test against HP-UX 11.11 bug: Positive return value instead of 0. */ { @@ -142,8 +161,8 @@ int main () [ changequote(,)dnl case "$host_os" in - aix | aix[3-6]* | hpux*) am_cv_func_iconv_works="guessing no" ;; - *) am_cv_func_iconv_works="guessing yes" ;; + aix* | hpux*) am_cv_func_iconv_works="guessing no" ;; + *) am_cv_func_iconv_works="guessing yes" ;; esac changequote([,])dnl ]) |