78 lines
1.8 KiB
Plaintext
78 lines
1.8 KiB
Plaintext
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AC_DEFUN(AC_CHECK_PROTO,
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[
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ac_safe=translit($1, './+-', '__p_');
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AC_MSG_CHECKING([if $1 is prototyped])
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AC_CACHE_VAL(ac_cv_prototype_$ac_safe, [#
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if test $ac_cv_gcc_fnb = yes; then
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OLDCFLAGS=$CFLAGS
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CFLAGS="$CFLAGS -fno-builtin"
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fi
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AC_TRY_COMPILE([
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#define NO_LIBRARY_PROTOTYPES
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#define __COMM_C__
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#define __ACT_OTHER_C__
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#include "src/sysdep.h"
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#ifdef $1
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error - already defined!
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#endif
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void $1(int a, char b, int c, char d, int e, char f, int g, char h);
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],dnl
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,
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eval "ac_cv_prototype_$ac_safe=no",eval "ac_cv_prototype_$ac_safe=yes")
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if test $ac_cv_gcc_fnb = yes; then
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CFLAGS=$OLDCFLAGS
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fi
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])
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if eval "test \"`echo '$ac_cv_prototype_'$ac_safe`\" = yes"; then
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AC_MSG_RESULT(yes)
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else
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AC_DEFINE(builtin(format, NEED_%s_PROTO, translit($1, 'a-z', 'A-Z')), , Check for a prototype to $1.)
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AC_MSG_RESULT(no)
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fi
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])
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dnl @@@t1="MAKE_PROTO_SAFE($1)"; t2="MAKE_PROTO_NAME($t1)"; literals="$literals $t2"@@@])
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AC_DEFUN(AC_UNSAFE_CRYPT, [
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AC_CACHE_CHECK([whether crypt needs over 10 characters], ac_cv_unsafe_crypt, [
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if test ${ac_cv_header_crypt_h-no} = yes; then
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use_crypt_header="#include <crypt.h>"
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fi
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if test ${ac_cv_lib_crypt_crypt-no} = yes; then
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ORIGLIBS=$LIBS
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LIBS="-lcrypt $LIBS"
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fi
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AC_TRY_RUN(
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changequote(<<, >>)dnl
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<<
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#define _XOPEN_SOURCE
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#include <string.h>
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#include <unistd.h>
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$use_crypt_header
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int main(void)
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{
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char pwd[11], pwd2[11];
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strncpy(pwd, (char *)crypt("FooBar", "BazQux"), 10);
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pwd[10] = '\0';
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strncpy(pwd2, (char *)crypt("xyzzy", "BazQux"), 10);
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pwd2[10] = '\0';
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if (strcmp(pwd, pwd2) == 0)
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exit(0);
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exit(1);
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}
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>>
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changequote([, ])dnl
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, ac_cv_unsafe_crypt=yes, ac_cv_unsafe_crypt=no, ac_cv_unsafe_crypt=no)])
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if test $ac_cv_unsafe_crypt = yes; then
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AC_DEFINE(HAVE_UNSAFE_CRYPT)
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fi
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if test ${ac_cv_lib_crypt_crypt-no} = yes; then
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LIBS=$ORIGLIBS
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fi
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])
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