*
*/
-#include "busybox.h"
#include <stdlib.h>
#include <stdio.h>
+#include <string.h>
#include <stddef.h>
#include <errno.h>
#include <unistd.h>
#include <getopt.h>
#include <sys/utsname.h>
#include <sys/file.h>
+#include "busybox.h"
};
-int query_module(const char *name, int which, void *buf, size_t bufsize,
- size_t *ret);
+int query_module(const char *name, int which, void *buf, size_t bufsize, size_t *ret);
/* Values for query_module's which. */
static const int QM_MODULES = 1;
static const int NEW_MOD_USED_ONCE = 16;
static const int NEW_MOD_INITIALIZING = 64;
+static int my_query_module(const char *name, int which, void **buf,
+ size_t *bufsize, size_t *ret)
+{
+ int my_ret;
+
+ my_ret = query_module(name, which, *buf, *bufsize, ret);
+
+ if (my_ret == -1 && errno == ENOSPC) {
+ *buf = xrealloc(*buf, *ret);
+ *bufsize = *ret;
+
+ my_ret = query_module(name, which, *buf, *bufsize, ret);
+ }
+
+ return my_ret;
+}
extern int lsmod_main(int argc, char **argv)
{
struct module_info info;
char *module_names, *mn, *deps, *dn;
- size_t bufsize, nmod, count, i, j;
+ size_t bufsize, depsize, nmod, count, i, j;
module_names = xmalloc(bufsize = 256);
- deps = xmalloc(bufsize);
- if (query_module(NULL, QM_MODULES, module_names, bufsize, &nmod)) {
+ if (my_query_module(NULL, QM_MODULES, (void **)&module_names, &bufsize,
+ &nmod)) {
perror_msg_and_die("QM_MODULES");
}
+ deps = xmalloc(depsize = 256);
printf("Module Size Used by\n");
for (i = 0, mn = module_names; i < nmod; mn += strlen(mn) + 1, i++) {
if (query_module(mn, QM_INFO, &info, sizeof(info), &count)) {
/* else choke */
perror_msg_and_die("module %s: QM_INFO", mn);
}
- while (query_module(mn, QM_REFS, deps, bufsize, &count)) {
+ if (my_query_module(mn, QM_REFS, (void **)&deps, &depsize, &count)) {
if (errno == ENOENT) {
/* The module was removed out from underneath us. */
continue;
}
- if (errno != ENOSPC) {
- error_msg_and_die("module %s: QM_REFS", mn);
- }
- deps = xrealloc(deps, bufsize = count);
+ perror_msg_and_die("module %s: QM_REFS", mn);
}
printf("%-20s%8lu%4ld ", mn, info.size, info.usecount);
- if (count) printf("[");
- for (j = 0, dn = deps; j < count; dn += strlen(dn) + 1, j++) {
- printf("%s%s", dn, (j==count-1)? "":" ");
- }
- if (count) printf("] ");
-
if (info.flags & NEW_MOD_DELETED)
printf("(deleted)");
else if (info.flags & NEW_MOD_INITIALIZING)
if (!(info.flags & NEW_MOD_USED_ONCE))
printf("(unused)");
}
+ if (count) printf("[");
+ for (j = 0, dn = deps; j < count; dn += strlen(dn) + 1, j++) {
+ printf("%s%s", dn, (j==count-1)? "":" ");
+ }
+ if (count) printf("] ");
+
printf("\n");
}
#else /*BB_FEATURE_OLD_MODULE_INTERFACE*/
-#if ! defined BB_FEATURE_USE_PROCFS
-#error Sorry, I depend on the /proc filesystem right now.
-#endif
-
extern int lsmod_main(int argc, char **argv)
{
int fd, i;