inferno-os tree was separated from the inferno-os-android (separated from the Android driver)

1 files changed, 32 insertions, 0 deletions

diff --git a/lib9/create.c b/lib9/create.c
new file mode 100644
index 0000000..de624f6
--- /dev/null
+++ b/lib9/create.c
@@ -0,0 +1,32 @@
+#include "lib9.h"
+#include <sys/types.h>
+#include <fcntl.h>
+
+int
+create(char *f, int mode, int perm)
+{
+	int m;
+
+	m = 0;
+	switch(mode & 3){
+	case OREAD:
+	case OEXEC:
+		m = O_RDONLY;
+		break;
+	case OWRITE:
+		m = O_WRONLY;
+		break;
+	case ORDWR:
+		m = O_RDWR;
+		break;
+	}
+	m |= O_CREAT|O_TRUNC;
+
+	if(perm & DMDIR){
+		if(mkdir(f, perm&0777) < 0)
+			return -1;
+		perm &= ~DMDIR;
+		m &= 3;
+	}
+	return open(f, m, perm);
+}