| #include <fcntl.h> | |
| #include <string.h> | |
| int __fmodeflags(const char* mode) { | |
| int flags; | |
| if (strchr(mode, '+')) | |
| flags = O_RDWR; | |
| else if (*mode == 'r') | |
| flags = O_RDONLY; | |
| else | |
| flags = O_WRONLY; | |
| if (strchr(mode, 'x')) | |
| flags |= O_EXCL; | |
| if (strchr(mode, 'e')) | |
| flags |= O_CLOEXEC; | |
| if (*mode != 'r') | |
| flags |= O_CREAT; | |
| if (*mode == 'w') | |
| flags |= O_TRUNC; | |
| if (*mode == 'a') | |
| flags |= O_APPEND; | |
| return flags; | |
| } |