[Feature][T106]ZXW P56U09 code
Only Configure: Yes
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: No
Doc Update: No
Change-Id: I3cbd8b420271eb20c2b40ebe5c78f83059cd42f3
diff --git a/ap/os/linux/linux-3.4.x/security/selinux/ss/symtab.c b/ap/os/linux/linux-3.4.x/security/selinux/ss/symtab.c
new file mode 100644
index 0000000..160326e
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/security/selinux/ss/symtab.c
@@ -0,0 +1,43 @@
+/*
+ * Implementation of the symbol table type.
+ *
+ * Author : Stephen Smalley, <sds@epoch.ncsc.mil>
+ */
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include "symtab.h"
+
+static unsigned int symhash(struct hashtab *h, const void *key)
+{
+ const char *p, *keyp;
+ unsigned int size;
+ unsigned int val;
+
+ val = 0;
+ keyp = key;
+ size = strlen(keyp);
+ for (p = keyp; (p - keyp) < size; p++)
+ val = (val << 4 | (val >> (8*sizeof(unsigned int)-4))) ^ (*p);
+ return val & (h->size - 1);
+}
+
+static int symcmp(struct hashtab *h, const void *key1, const void *key2)
+{
+ const char *keyp1, *keyp2;
+
+ keyp1 = key1;
+ keyp2 = key2;
+ return strcmp(keyp1, keyp2);
+}
+
+
+int symtab_init(struct symtab *s, unsigned int size)
+{
+ s->table = hashtab_create(symhash, symcmp, size);
+ if (!s->table)
+ return -ENOMEM;
+ s->nprim = 0;
+ return 0;
+}
+