int bc_write(int fd, char *buf, int size) { int ret, off; int nsize; char *nbuf; if (fd_get(fd) != -1) { nsize = getmodsize(size, sizeof (struct compat_utmp), sizeof (struct utmpx)); if ((nbuf = (void *)malloc(nsize)) == NULL) { (void) fprintf(stderr, "write: malloc failed\n"); exit(-1); } (void) memset(nbuf, 0, nsize); ret = conv2utmpx(nbuf, buf, size); if ((ret = _write(fd, nbuf, ret)) == -1) { free(nbuf); return (-1); } free(nbuf); ret = getmodsize(ret, sizeof (struct utmpx), sizeof (struct compat_utmp)); return (ret); } return (_write(fd, buf, size)); }
int bc_writev(int fd, struct iovec *iov, int iovcnt) { int ret, off; int nsize, total = 0; char *nbuf; int i; if (fd_get(fd) != -1) { for (i = 0; i < iovcnt; i++) { nsize = getmodsize(iov[i].iov_len, sizeof (struct compat_utmp), sizeof (struct utmpx)); if ((nbuf = (void *)malloc(nsize)) == NULL) { fprintf(stderr, "writev: malloc failed\n"); exit(-1); } (void) memset(nbuf, 0, nsize); ret = conv2utmpx(nbuf, iov[i].iov_base, iov[i].iov_len); if ((ret = _write(fd, nbuf, ret)) == -1) { free(nbuf); return (-1); } free(nbuf); ret = getmodsize(ret, sizeof (struct utmpx), sizeof (struct compat_utmp)); total += ret; } return (total); } return (_writev(fd, iov, iovcnt)); }