/*
* Mini lsmod implementation for busybox
*
- * Copyright (C) 1999,2000 by Lineo, inc.
+ * Copyright (C) 1999,2000,2001 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
*
+ * Modified by Alcove, Julien Gaulmin <julien.gaulmin@alcove.fr> and
+ * Nicolas Ferre <nicolas.ferre@alcove.fr> to support pre 2.1 kernels
+ * (which lack the query_module() interface).
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
*
*/
-#include "busybox.h"
#include <stdlib.h>
#include <stdio.h>
#include <stddef.h>
#include <assert.h>
#include <getopt.h>
#include <sys/utsname.h>
+#include <sys/file.h>
+#include "busybox.h"
+
+#ifdef BB_FEATURE_NEW_MODULE_INTERFACE
struct module_info
{
size_t *ret);
/* Values for query_module's which. */
-#define QM_MODULES 1
-#define QM_DEPS 2
-#define QM_REFS 3
-#define QM_SYMBOLS 4
-#define QM_INFO 5
+static const int QM_MODULES = 1;
+static const int QM_DEPS = 2;
+static const int QM_REFS = 3;
+static const int QM_SYMBOLS = 4;
+static const int QM_INFO = 5;
/* Bits of module.flags. */
-#define NEW_MOD_RUNNING 1
-#define NEW_MOD_DELETED 2
-#define NEW_MOD_AUTOCLEAN 4
-#define NEW_MOD_VISITED 8
-#define NEW_MOD_USED_ONCE 16
-#define NEW_MOD_INITIALIZING 64
+static const int NEW_MOD_RUNNING = 1;
+static const int NEW_MOD_DELETED = 2;
+static const int NEW_MOD_AUTOCLEAN = 4;
+static const int NEW_MOD_VISITED = 8;
+static const int NEW_MOD_USED_ONCE = 16;
+static const int NEW_MOD_INITIALIZING = 64;
extern int lsmod_main(int argc, char **argv)
module_names = xmalloc(bufsize = 256);
deps = xmalloc(bufsize);
if (query_module(NULL, QM_MODULES, module_names, bufsize, &nmod)) {
- fatalError("QM_MODULES: %s\n", strerror(errno));
+ perror_msg_and_die("QM_MODULES");
}
printf("Module Size Used by\n");
continue;
}
/* else choke */
- fatalError("module %s: QM_INFO: %s\n", mn, strerror(errno));
+ perror_msg_and_die("module %s: QM_INFO", mn);
}
while (query_module(mn, QM_REFS, deps, bufsize, &count)) {
if (errno == ENOENT) {
continue;
}
if (errno != ENOSPC) {
- fatalError("module %s: QM_REFS: %s", mn, strerror(errno));
+ error_msg_and_die("module %s: QM_REFS", mn);
}
deps = xrealloc(deps, bufsize = count);
}
return( 0);
}
+
+#else /*BB_FEATURE_OLD_MODULE_INTERFACE*/
+
+extern int lsmod_main(int argc, char **argv)
+{
+ int fd, i;
+ char line[128];
+
+ puts("Module Size Used by");
+ fflush(stdout);
+
+ if ((fd = open("/proc/modules", O_RDONLY)) >= 0 ) {
+ while ((i = read(fd, line, sizeof(line))) > 0) {
+ write(fileno(stdout), line, i);
+ }
+ close(fd);
+ return 0;
+ }
+ perror_msg_and_die("/proc/modules");
+ return 1;
+}
+
+#endif /*BB_FEATURE_OLD_MODULE_INTERFACE*/