return strlen(s);
}
+
+/* Like startswith(), but operates on arbitrary memory blocks */
+static inline void *memory_startswith(const void *p, size_t sz, const char *token) {
+ size_t n;
+
+ assert(token);
+
+ n = strlen(token);
+ if (sz < n)
+ return NULL;
+
+ assert(p);
+
+ if (memcmp(p, token, n) != 0)
+ return NULL;
+
+ return (uint8_t*) p + n;
+}
assert_se(strlen_ptr(NULL) == 0);
}
+static void test_memory_startswith(void) {
+ assert_se(streq(memory_startswith("", 0, ""), ""));
+ assert_se(streq(memory_startswith("", 1, ""), ""));
+ assert_se(streq(memory_startswith("x", 2, ""), "x"));
+ assert_se(!memory_startswith("", 1, "x"));
+ assert_se(!memory_startswith("", 1, "xxxxxxxx"));
+ assert_se(streq(memory_startswith("xxx", 4, "x"), "xx"));
+ assert_se(streq(memory_startswith("xxx", 4, "xx"), "x"));
+ assert_se(streq(memory_startswith("xxx", 4, "xxx"), ""));
+ assert_se(!memory_startswith("xxx", 4, "xxxx"));
+}
+
int main(int argc, char *argv[]) {
test_string_erase();
#if 0 /// UNNEEDED by elogind
test_split_pair();
test_first_word();
test_strlen_ptr();
+ test_memory_startswith();
return 0;
}