1 files changed, 45 insertions, 0 deletions
diff --git a/gcc/f/runtime/libI77/fmtlib.c b/gcc/f/runtime/libI77/fmtlib.c
new file mode 100644
index 00000000000..91483fc5290
--- /dev/null
+++ b/gcc/f/runtime/libI77/fmtlib.c
@@ -0,0 +1,45 @@
+/*	@(#)fmtlib.c	1.2	*/
+#define MAXINTLENGTH 23
+
+#include "f2c.h"
+#ifndef Allow_TYQUAD
+#undef longint
+#define longint long
+#undef ulongint
+#define ulongint unsigned long
+#endif
+
+#ifdef KR_headers
+char *f__icvt(value,ndigit,sign, base) longint value; int *ndigit,*sign;
+ register int base;
+#else
+char *f__icvt(longint value, int *ndigit, int *sign, int base)
+#endif
+{
+	static char buf[MAXINTLENGTH+1];
+	register int i;
+	ulongint uvalue;
+
+	if(value > 0) {
+		uvalue = value;
+		*sign = 0;
+		}
+	else if (value < 0) {
+		uvalue = -value;
+		*sign = 1;
+		}
+	else {
+		*sign = 0;
+		*ndigit = 1;
+		buf[MAXINTLENGTH-1] = '0';
+		return &buf[MAXINTLENGTH-1];
+		}
+	i = MAXINTLENGTH;
+	do {
+		buf[--i] = (uvalue%base) + '0';
+		uvalue /= base;
+		}
+		while(uvalue > 0);
+	*ndigit = MAXINTLENGTH - i;
+	return &buf[i];
+	}