sbin/kldconfig/kldconfig.c

46 /* queue structure for the module path broken down into components */
49 	char			*path;
53 /* the Management Information Base entries for the search path sysctl */
58 /* the sysctl value - the current module search path */
63 /* Top-level path management functions */
68 /* Low-level path management functions */
93 /* Get the current module search path */
97 	char *path;
108 		err(1, "getting path: sysctl(%s) - size only", pathctl);
109 	if ((path = malloc(sz + 1)) == NULL) {
111 		err(1, "allocating %lu bytes for the path",
114 	if (sysctl(mib, miblen, path, &sz, NULL, 0) == -1)
115 		err(1, "getting path: sysctl(%s)", pathctl);
116 	modpath = path;
119 /* Set the module search path after changing it */
129 		err(1, "building path string");
132 		err(1, "setting path: sysctl(%s)", pathctl);
139 /* Add/insert a new component to the module search path */
141 addpath(struct pathhead *pathq, char *path, int force, int insert)
150 	 * If the path exists, use it; otherwise, take the user-specified
151 	 * path at face value - may be a removed directory.
153 	if (realpath(path, pathbuf) == NULL)
154 		strlcpy(pathbuf, path, sizeof(pathbuf));
163 		if (!strcmp(pe->path, pathbuf))
168 		errx(1, "already in the module search path: %s", pathbuf);
173 	    ((pe->path = strdup(pathbuf)) == NULL)) {
175 		err(1, "allocating path component");
191 /* Remove a path component from the module search path */
193 rempath(struct pathhead *pathq, char *path, int force, int insert __unused)
200 	if (realpath(path, pathbuf) == NULL)
201 		strlcpy(pathbuf, path, sizeof(pathbuf));
210 		if (!strcmp(pe->path, pathbuf))
215 		errx(1, "not in module search path: %s", pathbuf);
223 /* Display the retrieved module search path */
231 		err(1, "building path string");
237 /* Break a string down into path components, store them into a queue */
239 parsepath(struct pathhead *pathq, char *path, int uniq)
244 	while ((p = strsep(&path, ";")) != NULL)
247 			    ((pe->path = strdup(p)) == NULL)) {
249 				err(1, "allocating path element");
257 /* Recreate a path string from a components queue */
267 		    s, pe->path, (TAILQ_NEXT(pe, next) != NULL? ";": ""));
283 	    "usage:\tkldconfig [-dfimnUv] [-S sysctlname] [path ...]",
294 	/* iterator over argv[] path components */
301 	/* "-m" - merge into the existing path, do not replace it */
303 	/* "-n" - do not actually set the new module path */
305 	/* "-r" - print out the current search path */
307 	/* "-U" - remove duplicate values from the path */
313 	/* The original path */
315 	/* The module search path broken down into components */
383 	/* Retrieve and store the path from the sysctl value */
387 		err(1, "saving the original search path");
391 	 * Break down the path into the components queue if:
402 	/* Process the path arguments */