Added insmod support for ARM, and lsmod support for older kernels,

thanks to Alcove, Julien Gaulmin <julien.gaulmin@alcove.fr> and
Nicolas Ferre <nicolas.ferre@alcove.fr>.
 -Erik

1 files changed, 38 insertions, 0 deletions

diff --git a/lsmod.c b/lsmod.c
index ab4726b..6fe505b 100644
--- a/lsmod.c
+++ b/lsmod.c
@@ -5,6 +5,10 @@
  * Copyright (C) 1999,2000 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
@@ -32,8 +36,15 @@
 #include <assert.h>
 #include <getopt.h>
 #include <sys/utsname.h>
+#include <sys/file.h>
+
 
 
+#if !defined(BB_FEATURE_LSMOD_NEW_KERNEL) && !defined(BB_FEATURE_LSMOD_OLD_KERNEL)
+#error "Must have ether BB_FEATURE_LSMOD_NEW_KERNEL or BB_FEATURE_LSMOD_OLD_KERNEL defined"
+#endif
+
+#ifdef BB_FEATURE_LSMOD_NEW_KERNEL
 
 struct module_info
 {
@@ -120,3 +131,30 @@ extern int lsmod_main(int argc, char **argv)
 
 	return( 0);
 }
+
+#else /*BB_FEATURE_LSMOD_OLD_KERNEL*/
+
+#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;
+	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;
+	}
+	fatalError("/proc/modules: %s\n", strerror(errno));
+	return 1;
+}
+
+#endif /*BB_FEATURE_LSMOD_OLD_KERNEL*/