| #include <u.h> | |
| #define NOPLAN9DEFINES | |
| #include <libc.h> | |
| #include <sys/stat.h> | |
| int | |
| p9create(char *path, int mode, ulong perm) | |
| { | |
| int fd, cexec, umode, rclose; | |
| cexec = mode&OCEXEC; | |
| rclose = mode&ORCLOSE; | |
| mode &= ~(ORCLOSE|OCEXEC); | |
| /* XXX should get mode mask right? */ | |
| fd = -1; | |
| if(perm&DMDIR){ | |
| if(mode != OREAD){ | |
| werrstr("bad mode in directory create"); | |
| goto out; | |
| } | |
| if(mkdir(path, perm&0777) < 0) | |
| goto out; | |
| fd = open(path, O_RDONLY); | |
| }else{ | |
| umode = (mode&3)|O_CREAT|O_TRUNC; | |
| mode &= ~(3|OTRUNC); | |
| if(mode&OEXCL){ | |
| umode |= O_EXCL; | |
| mode &= ~OEXCL; | |
| } | |
| if(mode){ | |
| werrstr("unsupported mode in create"); | |
| goto out; | |
| } | |
| fd = open(path, umode, perm); | |
| } | |
| out: | |
| if(fd >= 0){ | |
| if(cexec) | |
| fcntl(fd, F_SETFL, FD_CLOEXEC); | |
| if(rclose) | |
| remove(path); | |
| } | |
| return fd; | |
| } |