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-rw-r--r--src/commonlib/bsd/gcd.c23
-rw-r--r--src/commonlib/bsd/include/commonlib/bsd/gcd.h10
2 files changed, 33 insertions, 0 deletions
diff --git a/src/commonlib/bsd/gcd.c b/src/commonlib/bsd/gcd.c
new file mode 100644
index 0000000000..92b601e8d0
--- /dev/null
+++ b/src/commonlib/bsd/gcd.c
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+
+#include <commonlib/bsd/gcd.h>
+#include <commonlib/bsd/helpers.h>
+#include <stdint.h>
+
+uint32_t gcd32(uint32_t a, uint32_t b)
+{
+ uint32_t c;
+
+ if (a == 0 || b == 0)
+ return MAX(a, b);
+
+ c = a % b;
+
+ while (c > 0) {
+ a = b;
+ b = c;
+ c = a % b;
+ }
+
+ return b;
+}
diff --git a/src/commonlib/bsd/include/commonlib/bsd/gcd.h b/src/commonlib/bsd/include/commonlib/bsd/gcd.h
new file mode 100644
index 0000000000..20949ded09
--- /dev/null
+++ b/src/commonlib/bsd/include/commonlib/bsd/gcd.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+
+#ifndef _COMMONLIB_BSD_GCD_H_
+#define _COMMONLIB_BSD_GCD_H_
+
+#include <stdint.h>
+
+uint32_t gcd32(uint32_t a, uint32_t b);
+
+#endif /* _COMMONLIB_BSD_GCD_H_ */