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-rw-r--r--lib9/create.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/lib9/create.c b/lib9/create.c
new file mode 100644
index 00000000..de624f61
--- /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);
+}