#include "stdio_impl.h"
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
-FILE *fopen(const char *filename, const char *mode)
+FILE *fopen(const char *restrict filename, const char *restrict mode)
{
FILE *f;
int fd;
int flags;
- int plus = !!strchr(mode, '+');
/* Check for valid initial mode character */
if (!strchr("rwa", *mode)) {
}
/* Compute the flags to pass to open() */
- if (plus) flags = O_RDWR;
- else if (*mode == 'r') flags = O_RDONLY;
- else flags = O_WRONLY;
- if (*mode != 'r') flags |= O_CREAT;
- if (*mode == 'w') flags |= O_TRUNC;
- if (*mode == 'a') flags |= O_APPEND;
+ flags = __fmodeflags(mode);
- fd = __syscall_open(filename, flags, 0666);
+ fd = syscall_cp(SYS_open, filename, flags|O_LARGEFILE, 0666);
if (fd < 0) return 0;
f = __fdopen(fd, mode);
if (f) return f;
- __syscall_close(fd);
+ __syscall(SYS_close, fd);
return 0;
}