#include <ctype.h>
#include <errno.h>
+#include <limits.h>
#include <string.h>
+#include <linux/bug.h>
#include <linux/compiler.h>
#include <linux/string.h>
return ret;
}
+ssize_t strscpy(char *dest, const char *src, size_t count)
+{
+ long res = 0;
+
+ if (count == 0 || WARN_ON_ONCE(count > INT_MAX))
+ return -E2BIG;
+
+ while (count) {
+ char c;
+
+ c = src[res];
+ dest[res] = c;
+ if (!c)
+ return res;
+ res++;
+ count--;
+ }
+
+ /* Hit buffer length without finding a NUL; force NUL-termination. */
+ if (res)
+ dest[res-1] = '\0';
+
+ return -E2BIG;
+}
+
void memzero_explicit(void *s, size_t count)
{
memset(s, 0, count);