| #include <u.h> |
| #define NOPLAN9DEFINES |
| #include <libc.h> |
| |
| extern char* _p9translate(char*); |
| |
| int |
| p9open(char *xname, int mode) |
| { |
| char *name; |
| int cexec, rclose; |
| int fd, umode; |
| |
| umode = mode&3; |
| cexec = mode&OCEXEC; |
| rclose = mode&ORCLOSE; |
| mode &= ~(3|OCEXEC|ORCLOSE); |
| if(mode&OTRUNC){ |
| umode |= O_TRUNC; |
| mode ^= OTRUNC; |
| } |
| if(mode){ |
| werrstr("mode not supported"); |
| return -1; |
| } |
| if((name = _p9translate(xname)) == nil) |
| return -1; |
| fd = open(name, umode); |
| if(fd >= 0){ |
| if(cexec) |
| fcntl(fd, F_SETFL, FD_CLOEXEC); |
| if(rclose) |
| remove(name); |
| } |
| if(name != xname) |
| free(name); |
| return fd; |
| } |