This is useful in cgcc for supporting Cygwin which doesn't
use a 32-bit type for wchar_t.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
lib.c | 2 ++
lib.h | 1 +
target.c | 2 ++
validation/arch/short-wchar.c | 6 ++++++
4 files changed, 11 insertions(+)
create mode 100644 validation/arch/short-wchar.c
diff --git a/lib.c b/lib.c
index 350d881a9..47dd7029d 100644
--- a/lib.c
+++ b/lib.c
@@ -313,6 +313,7 @@ unsigned long long fmemcpy_max_count = 100000;
unsigned long fpasses = ~0UL;
int fpic = 0;
int fpie = 0;
+int fshort_wchar = 0;
int funsigned_char = -1;
int preprocess_only;
@@ -995,6 +996,7 @@ static struct flag fflags[] = {
{ "pie", &fpie, handle_switch_setval, 1 },
{ "PIE", &fpie, handle_switch_setval, 2 },
{ "signed-char", &funsigned_char, NULL, OPT_INVERSE },
+ { "short-wchar", &fshort_wchar },
{ "unsigned-char", &funsigned_char, NULL, },
{ },
};
diff --git a/lib.h b/lib.h
index 00c608125..3d596a529 100644
--- a/lib.h
+++ b/lib.h
@@ -202,6 +202,7 @@ extern unsigned long long fmemcpy_max_count;
extern unsigned long fpasses;
extern int fpic;
extern int fpie;
+extern int fshort_wchar;
extern int funsigned_char;
extern int arch_m64;
diff --git a/target.c b/target.c
index 9ce21272d..7aaad1c40 100644
--- a/target.c
+++ b/target.c
@@ -106,6 +106,8 @@ void init_target(void)
default:
break;
}
+ if (fshort_wchar)
+ wchar_ctype = &ushort_ctype;
switch (arch_mach) {
case MACH_MIPS64:
diff --git a/validation/arch/short-wchar.c b/validation/arch/short-wchar.c
new file mode 100644
index 000000000..de05313c6
--- /dev/null
+++ b/validation/arch/short-wchar.c
@@ -0,0 +1,6 @@
+_Static_assert([__WCHAR_TYPE__] == [unsigned short], "short wchar");
+
+/*
+ * check-name: short-wchar
+ * check-command: sparse -fshort-wchar $file
+ */
--
2.24.0
