diff options
Diffstat (limited to 'crypto/heimdal/cf/broken-snprintf.m4')
-rw-r--r-- | crypto/heimdal/cf/broken-snprintf.m4 | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/crypto/heimdal/cf/broken-snprintf.m4 b/crypto/heimdal/cf/broken-snprintf.m4 new file mode 100644 index 0000000..efd69f0 --- /dev/null +++ b/crypto/heimdal/cf/broken-snprintf.m4 @@ -0,0 +1,58 @@ +dnl $Id: broken-snprintf.m4,v 1.3 1999/03/01 09:52:22 joda Exp $ +dnl +AC_DEFUN(AC_BROKEN_SNPRINTF, [ +AC_CACHE_CHECK(for working snprintf,ac_cv_func_snprintf_working, +ac_cv_func_snprintf_working=yes +AC_TRY_RUN([ +#include <stdio.h> +#include <string.h> +int main() +{ +changequote(`,')dnl + char foo[3]; +changequote([,])dnl + snprintf(foo, 2, "12"); + return strcmp(foo, "1"); +}],:,ac_cv_func_snprintf_working=no,:)) + +if test "$ac_cv_func_snprintf_working" = yes; then + AC_DEFINE_UNQUOTED(HAVE_SNPRINTF, 1, [define if you have a working snprintf]) +fi +if test "$ac_cv_func_snprintf_working" = yes; then +AC_NEED_PROTO([#include <stdio.h>],snprintf) +fi +]) + +AC_DEFUN(AC_BROKEN_VSNPRINTF,[ +AC_CACHE_CHECK(for working vsnprintf,ac_cv_func_vsnprintf_working, +ac_cv_func_vsnprintf_working=yes +AC_TRY_RUN([ +#include <stdio.h> +#include <string.h> +#include <stdarg.h> + +int foo(int num, ...) +{ +changequote(`,')dnl + char bar[3]; +changequote([,])dnl + va_list arg; + va_start(arg, num); + vsnprintf(bar, 2, "%s", arg); + va_end(arg); + return strcmp(bar, "1"); +} + + +int main() +{ + return foo(0, "12"); +}],:,ac_cv_func_vsnprintf_working=no,:)) + +if test "$ac_cv_func_vsnprintf_working" = yes; then + AC_DEFINE_UNQUOTED(HAVE_VSNPRINTF, 1, [define if you have a working vsnprintf]) +fi +if test "$ac_cv_func_vsnprintf_working" = yes; then +AC_NEED_PROTO([#include <stdio.h>],vsnprintf) +fi +]) |