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authorGwenolé Beauchesne <gbeauchesne@mandriva.org>2004-12-15 13:26:39 +0000
committerGwenolé Beauchesne <gbeauchesne@mandriva.org>2004-12-15 13:26:39 +0000
commit70df10844ac7f46e43a20040b7735fbae795dc4b (patch)
tree162b0b69f284326a7d9334a294c93bae86417665
parent06b00a25f3753dcbc6ff7fe9c3a774b1620d8b7e (diff)
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add missing file from older merge from modutils 2.4.26
-rw-r--r--mdk-stage1/insmod-modutils/obj/obj_gpl_license.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/mdk-stage1/insmod-modutils/obj/obj_gpl_license.c b/mdk-stage1/insmod-modutils/obj/obj_gpl_license.c
new file mode 100644
index 000000000..366b03e06
--- /dev/null
+++ b/mdk-stage1/insmod-modutils/obj/obj_gpl_license.c
@@ -0,0 +1,61 @@
+/* Return the type of license for a module. 0 for GPL, 1 for no license, 2 for
+ non-GPL. The license parameter is set to the license string or NULL.
+
+ This file is part of the Linux modutils.
+
+ 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 (at your
+ option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <string.h>
+#include "obj.h"
+
+/* This list must match *exactly* the list of allowable licenses in
+ * linux/include/linux/module.h. Checking for leading "GPL" will not
+ * work, somebody will use "GPL sucks, this is proprietary".
+ */
+static const char *gpl_licenses[] = {
+ "GPL",
+ "GPL v2",
+ "GPL and additional rights",
+ "Dual BSD/GPL",
+ "Dual MPL/GPL",
+};
+
+int obj_gpl_license(struct obj_file *f, const char **license)
+{
+ struct obj_section *sec;
+ if ((sec = obj_find_section(f, ".modinfo"))) {
+ const char *value, *ptr, *endptr;
+ ptr = sec->contents;
+ endptr = ptr + sec->header.sh_size;
+ while (ptr < endptr) {
+ if ((value = strchr(ptr, '=')) && strncmp(ptr, "license", value-ptr) == 0) {
+ int i;
+ if (license)
+ *license = value+1;
+ for (i = 0; i < sizeof(gpl_licenses)/sizeof(gpl_licenses[0]); ++i) {
+ if (strcmp(value+1, gpl_licenses[i]) == 0)
+ return(0);
+ }
+ return(2);
+ }
+ if (strchr(ptr, '\0'))
+ ptr = strchr(ptr, '\0') + 1;
+ else
+ ptr = endptr;
+ }
+ }
+ return(1);
+}