traceroute: fix help text to not show -6 when traceroute6 is off

[oweals/busybox.git] / libbb / safe_strncpy.c

diff --git a/libbb/safe_strncpy.c b/libbb/safe_strncpy.c
index cc425839fb36aa8a8766091b77d8659aa535b1c0..4acd9766ba7c896076826e0f538d7fddc55af8f2 100644 (file)
--- a/libbb/safe_strncpy.c
+++ b/libbb/safe_strncpy.c
@@ -10,9 +10,18 @@
 #include "libbb.h"
 
 /* Like strncpy but make sure the resulting string is always 0 terminated. */
-char *safe_strncpy(char *dst, const char *src, size_t size)
+char* FAST_FUNC safe_strncpy(char *dst, const char *src, size_t size)
 {
        if (!size) return dst;
        dst[--size] = '\0';
        return strncpy(dst, src, size);
 }
+
+/* Like strcpy but can copy overlapping strings. */
+void FAST_FUNC overlapping_strcpy(char *dst, const char *src)
+{
+       while ((*dst = *src) != '\0') {
+               dst++;
+               src++;
+       }
+}