X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=m4%2Fpsi_struct.m4;h=fcee59c3d08e18bb0a61b91b36883ee2a8e88a8e;hb=3fe5a4c7cf3e810dcfd79475a1a3aedbe8282378;hp=430baf7e035eab0628372016185b81f6859ef980;hpb=2421d323be79e4a811a4197914330a8c0124b130;p=m6w6%2Fext-psi

diff --git a/m4/psi_struct.m4 b/m4/psi_struct.m4
index 430baf7..fcee59c 100644
--- a/m4/psi_struct.m4
+++ b/m4/psi_struct.m4
@@ -1,24 +1,36 @@
+# psi_add_struct(struct members)
+# Add a pre-defined struct to $PSI_STRUCTS.
+psi_add_struct() {
+	cat >>$PSI_STRUCTS <<<"	$1, {0}, "
+}
+
+dnl PSI_STRUCT_MEMBER(struct name, decl member)
+dnl INTERNAL: build $psi_struct_members
 AC_DEFUN(PSI_STRUCT_MEMBER, [
 	m4_define([member_name], PSI_VAR_NAME($2))
 	m4_define([member_type], PSI_VAR_TYPE($2))
-	PSI_CHECK_SIZEOF(AS_TR_SH($1)[_]member_name, PSI_INCLUDES
+	PSI_CHECK_SIZEOF(AS_TR_SH($1)[_]member_name,
 		[#define ]AS_TR_SH($1)[_]member_name (($1 *)0)->member_name
 	)
-	if test -n "$AS_TR_SH([ac_cv_sizeof_$1][_]member_name)" \
-	&& test "$AS_TR_SH([ac_cv_sizeof_$1][_]member_name)" -gt 0; then
+	if PSI_SH_TEST_SIZEOF($1 member_name); then
 		PSI_CHECK_OFFSETOF($1, member_name)
 		PSI_TYPE_INDIRECTION($2, [$AS_TR_SH([ac_cv_sizeof_]$1[_]member_name)], pl, as)
 		psi_struct_members="[$psi_struct_members, {]PSI_TYPE_PAIR(member_type)[, \"]member_name[\", $]AS_TR_SH([ac_cv_offsetof_]$1[_]member_name)[, $]AS_TR_SH([ac_cv_sizeof_]$1[_]member_name), $pl, $as[}]"
 	fi
 ])
 
+dnl PSI_STRUCT(struct name, struct members)
+dnl Check a struct and its members and add a pre-defined struct and possibly a
+dnl pre-defined type for this struct.
+dnl Calls PSI_CHECK_SIZEOF for the struct and each member.
+dnl Calls PSI_CHECK_OFFSETOF and PSI_TYPE_INDIRECTON for each member.
 AC_DEFUN(PSI_STRUCT, [
-	PSI_CHECK_SIZEOF($1, PSI_INCLUDES)
+	PSI_CHECK_SIZEOF($1)
 	psi_struct_name=m4_bregexp([$1], [^\(struct \)?\(\w+\)], [\2])
 	psi_struct_members="{PSI_T_STRUCT, \"struct\", \"$psi_struct_name\", 0, $AS_TR_SH([ac_cv_sizeof_]$1), 0, 0}"
 	ifelse([$2],,,[m4_map_args_sep([PSI_STRUCT_MEMBER($1, m4_normalize(], [))], [], $2)])
-	PSI_STRUCTS="$psi_struct_members, {0}, $PSI_STRUCTS"
+	psi_add_struct "$psi_struct_members"
 	if test "$1" = "$psi_struct_name"; then
-		PSI_TYPES="{PSI_T_STRUCT, \"$1\", \"$1\"}, $PSI_TYPES"
+		psi_add_type "{PSI_T_STRUCT, \"$1\", \"$1\"}"
 	fi
 ])