1 files changed, 41 insertions, 0 deletions
diff --git a/src/u8c/fmt.h.d/setfmt.c b/src/u8c/fmt.h.d/setfmt.c
new file mode 100644
index 0000000..7956ea3
--- /dev/null
+++ b/src/u8c/fmt.h.d/setfmt.c
@@ -0,0 +1,41 @@
+/*
+	Copyright 2021 Gabriel Jensen
+
+	This file is part of u8c.
+
+	u8c is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+
+	u8c is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+	See the	GNU Affero General Public License for more details.
+
+	You should have received a copy of the GNU Affero General Public License along with u8c.
+
+	If not, see <https://www.gnu.org/licenses/>.
+*/
+# include <stdbool.h>
+# include <stdint.h>
+# include <u8c/fmt.h>
+# include <u8c/intern.h>
+# if defined(u8c_bethrdsafe)
+# include <threads.h>
+# endif
+bool u8c_setfmt(unsigned char const _base,unsigned char const _endian) {
+	uint_least8_t base   = _base;
+	uint_least8_t endian = _endian;
+	if(_base > UINT8_C(0x20)) {
+		base = UINT8_C(0xC);
+	}
+	if(_endian > UINT8_C(0x1)) {
+		endian = UINT8_C(0x0);
+	}
+# if defined(u8c_bethrdsafe)
+	mtx_lock(&u8c_dat.fmtlock);
+# endif
+	u8c_dat.fmtbase   = base;
+	u8c_dat.fmtendian = endian;
+# if defined(u8c_bethrdsafe)
+	mtx_unlock(&u8c_dat.fmtlock);
+# endif
+	return false;
+}