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/* open.c -- to insulate <fcntl.h> from the rest of es ($Revision: 1.1.1.1 $) */
#define REQUIRE_FCNTL 1
#include "es.h"
#if NeXT
extern int open(const char *, int, ...);
#endif
/*
* Opens a file with the necessary flags. Assumes the following order:
* typedef enum {
* oOpen, oCreate, oAppend, oReadCreate, oReadTrunc oReadAppend
* } OpenKind;
*/
static int mode_masks[] = {
O_RDONLY, /* rOpen */
O_WRONLY | O_CREAT | O_TRUNC, /* rCreate */
O_WRONLY | O_CREAT | O_APPEND, /* rAppend */
O_RDWR | O_CREAT, /* oReadWrite */
O_RDWR | O_CREAT | O_TRUNC, /* oReadCreate */
O_RDWR | O_CREAT | O_APPEND, /* oReadAppend */
};
extern int eopen(char *name, OpenKind k) {
assert((unsigned) k < arraysize(mode_masks));
return open(name, mode_masks[k], 0666);
}
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