54 gctl_dump(struct gctl_req *req, FILE *f)  in gctl_dump()  argument
60 	if (req == NULL) {  in gctl_dump()
64 	fprintf(f, "Dump of gctl request at %p:\n", req);  in gctl_dump()
65 	if (req->error != NULL)  in gctl_dump()
66 		fprintf(f, "  error:\t\"%s\"\n", req->error);  in gctl_dump()
69 	for (i = 0; i < req->narg; i++) {  in gctl_dump()
70 		ap = &req->arg[i];  in gctl_dump()
95 gctl_set_error(struct gctl_req *req, const char *error, ...)  in gctl_set_error()  argument
99 	if (req->error != NULL)  in gctl_set_error()
102 	vasprintf(&req->error, error, ap);  in gctl_set_error()
111 gctl_check_alloc(struct gctl_req *req, void *ptr)  in gctl_check_alloc()  argument
116 	gctl_set_error(req, nomemmsg);  in gctl_check_alloc()
117 	if (req->error == NULL)  in gctl_check_alloc()
118 		req->error = nomemmsg;  in gctl_check_alloc()
136 gctl_new_arg(struct gctl_req *req)  in gctl_new_arg()  argument
140 	req->narg++;  in gctl_new_arg()
141 	req->arg = reallocf(req->arg, sizeof *ap * req->narg);  in gctl_new_arg()
142 	gctl_check_alloc(req, req->arg);  in gctl_new_arg()
143 	if (req->arg == NULL) {  in gctl_new_arg()
144 		req->narg = 0;  in gctl_new_arg()
147 	ap = req->arg + (req->narg - 1);  in gctl_new_arg()
153 gctl_add_param(struct gctl_req *req, const char *name, int len, void *value,  in gctl_add_param()  argument
158 	if (req == NULL || req->error != NULL)  in gctl_add_param()
160 	ap = gctl_new_arg(req);  in gctl_add_param()
164 	gctl_check_alloc(req, ap->name);  in gctl_add_param()
179 gctl_ro_param(struct gctl_req *req, const char *name, int len, const void* value)  in gctl_ro_param()  argument
182 	gctl_add_param(req, name, len, __DECONST(void *, value), GCTL_PARAM_RD);  in gctl_ro_param()
186 gctl_rw_param(struct gctl_req *req, const char *name, int len, void *value)  in gctl_rw_param()  argument
189 	gctl_add_param(req, name, len, value, GCTL_PARAM_RW);  in gctl_rw_param()
193 gctl_issue(struct gctl_req *req)  in gctl_issue()  argument
197 	if (req == NULL)  in gctl_issue()
199 	if (req->error != NULL)  in gctl_issue()
200 		return (req->error);  in gctl_issue()
202 	req->version = GCTL_VERSION;  in gctl_issue()
203 	req->lerror = BUFSIZ;		/* XXX: arbitrary number */  in gctl_issue()
204 	req->error = calloc(1, req->lerror);  in gctl_issue()
205 	if (req->error == NULL) {  in gctl_issue()
206 		gctl_check_alloc(req, req->error);  in gctl_issue()
207 		return (req->error);  in gctl_issue()
209 	req->lerror--;  in gctl_issue()
213 	req->nerror = ioctl(fd, GEOM_CTL, req);  in gctl_issue()
215 	if (req->error[0] != '\0')  in gctl_issue()
216 		return (req->error);  in gctl_issue()
217 	if (req->nerror == -1)  in gctl_issue()
223 gctl_free(struct gctl_req *req)  in gctl_free()  argument
227 	if (req == NULL)  in gctl_free()
229 	for (i = 0; i < req->narg; i++) {  in gctl_free()
230 		if (req->arg[i].name != NULL)  in gctl_free()
231 			free(req->arg[i].name);  in gctl_free()
233 	free(req->arg);  in gctl_free()
234 	if (req->error != NULL && req->error != nomemmsg)  in gctl_free()
235 		free(req->error);  in gctl_free()
236 	free(req);  in gctl_free()