* Previous contents of gcc/f/runtime moved into toplevel

        "libf2c" directory.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@17568 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 36 insertions, 0 deletions

diff --git a/libf2c/libF77/system_.c b/libf2c/libF77/system_.c
new file mode 100644
index 00000000000..ed024a14ded
--- /dev/null
+++ b/libf2c/libF77/system_.c
@@ -0,0 +1,36 @@
+/* f77 interface to system routine */
+
+#include "f2c.h"
+
+#ifdef KR_headers
+extern char *F77_aloc();
+
+ integer
+G77_system_0 (s, n) register char *s; ftnlen n;
+#else
+#undef abs
+#undef min
+#undef max
+#include <stdlib.h>
+extern char *F77_aloc(ftnlen, char*);
+
+ integer
+G77_system_0 (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;
+	}