src/base/bufio/open.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

#include "internal.h"

int
bio·open(char *path, int flag, io·Buffer *io)
{
    int fd;
    switch(flag & ~(sys·OCloseExec|sys·OTrunc)){
    default:
        fmt·fprint(2, "open: unknown flag %d\n", flag);
        return 1;

    case sys·ORead:
        if(sys·open(path, flag, 0, &fd))
            return 1;
        break;

    case sys·OWrite:
        if(sys·open(path, flag, 0666, &fd))
            return 1;
        break;
    }
    if(bio·openfd(fd, flag, io)){
        sys·close(fd);
        return 1;
    }
    return 0;
}