mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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59 lines
1.3 KiB
Plaintext
59 lines
1.3 KiB
Plaintext
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dnl $Id: broken-snprintf.m4,v 1.3 1999/03/01 09:52:22 joda Exp $
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dnl
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AC_DEFUN(AC_BROKEN_SNPRINTF, [
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AC_CACHE_CHECK(for working snprintf,ac_cv_func_snprintf_working,
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ac_cv_func_snprintf_working=yes
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AC_TRY_RUN([
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#include <stdio.h>
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#include <string.h>
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int main()
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{
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changequote(`,')dnl
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char foo[3];
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changequote([,])dnl
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snprintf(foo, 2, "12");
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return strcmp(foo, "1");
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}],:,ac_cv_func_snprintf_working=no,:))
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if test "$ac_cv_func_snprintf_working" = yes; then
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AC_DEFINE_UNQUOTED(HAVE_SNPRINTF, 1, [define if you have a working snprintf])
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fi
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if test "$ac_cv_func_snprintf_working" = yes; then
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AC_NEED_PROTO([#include <stdio.h>],snprintf)
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fi
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])
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AC_DEFUN(AC_BROKEN_VSNPRINTF,[
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AC_CACHE_CHECK(for working vsnprintf,ac_cv_func_vsnprintf_working,
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ac_cv_func_vsnprintf_working=yes
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AC_TRY_RUN([
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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int foo(int num, ...)
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{
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changequote(`,')dnl
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char bar[3];
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changequote([,])dnl
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va_list arg;
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va_start(arg, num);
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vsnprintf(bar, 2, "%s", arg);
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va_end(arg);
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return strcmp(bar, "1");
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}
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int main()
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{
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return foo(0, "12");
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}],:,ac_cv_func_vsnprintf_working=no,:))
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if test "$ac_cv_func_vsnprintf_working" = yes; then
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AC_DEFINE_UNQUOTED(HAVE_VSNPRINTF, 1, [define if you have a working vsnprintf])
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fi
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if test "$ac_cv_func_vsnprintf_working" = yes; then
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AC_NEED_PROTO([#include <stdio.h>],vsnprintf)
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fi
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])
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