Initial integration of G77.

Please do a make cleandir before rebuilding gcc!

1 files changed, 36 insertions, 0 deletions

diff --git a/gnu/usr.bin/gcc/f/runtime/libF77/system_.c b/gnu/usr.bin/gcc/f/runtime/libF77/system_.c
new file mode 100644
index 00000000000..e6b3a02d527
--- /dev/null
+++ b/gnu/usr.bin/gcc/f/runtime/libF77/system_.c
@@ -0,0 +1,36 @@
+/* f77 interface to system routine */
+
+#include "f2c.h"
+
+#ifdef KR_headers
+extern char *F77_aloc();
+
+ integer
+system_(s, n) register char *s; ftnlen n;
+#else
+#undef abs
+#undef min
+#undef max
+#include "stdlib.h"
+extern char *F77_aloc(ftnlen, char*);
+
+ integer
+system_(register char *s, ftnlen n)
+#endif
+{
+	char buff0[256], *buff;
+	register char *bp, *blast;
+	integer rv;
+
+	buff = bp = n < sizeof(buff0)
+			? buff0 : F77_aloc(n+1, "system_");
+	blast = bp + n;
+
+	while(bp < blast && *s)
+		*bp++ = *s++;
+	*bp = 0;
+	rv = system(buff);
+	if (buff != buff0)
+		free(buff);
+	return rv;
+	}