[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/tools/perf/util/quote.c b/src/kernel/linux/v4.14/tools/perf/util/quote.c
new file mode 100644
index 0000000..22eaa20
--- /dev/null
+++ b/src/kernel/linux/v4.14/tools/perf/util/quote.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
+#include <stdlib.h>
+#include "strbuf.h"
+#include "quote.h"
+#include "util.h"
+
+/* Help to copy the thing properly quoted for the shell safety.
+ * any single quote is replaced with '\'', any exclamation point
+ * is replaced with '\!', and the whole thing is enclosed in a
+ *
+ * E.g.
+ * original sq_quote result
+ * name ==> name ==> 'name'
+ * a b ==> a b ==> 'a b'
+ * a'b ==> a'\''b ==> 'a'\''b'
+ * a!b ==> a'\!'b ==> 'a'\!'b'
+ */
+static inline int need_bs_quote(char c)
+{
+ return (c == '\'' || c == '!');
+}
+
+static int sq_quote_buf(struct strbuf *dst, const char *src)
+{
+ char *to_free = NULL;
+ int ret;
+
+ if (dst->buf == src)
+ to_free = strbuf_detach(dst, NULL);
+
+ ret = strbuf_addch(dst, '\'');
+ while (!ret && *src) {
+ size_t len = strcspn(src, "'!");
+ ret = strbuf_add(dst, src, len);
+ src += len;
+ while (!ret && need_bs_quote(*src))
+ ret = strbuf_addf(dst, "'\\%c\'", *src++);
+ }
+ if (!ret)
+ ret = strbuf_addch(dst, '\'');
+ free(to_free);
+
+ return ret;
+}
+
+int sq_quote_argv(struct strbuf *dst, const char** argv, size_t maxlen)
+{
+ int i, ret;
+
+ /* Copy into destination buffer. */
+ ret = strbuf_grow(dst, 255);
+ for (i = 0; !ret && argv[i]; ++i) {
+ ret = strbuf_addch(dst, ' ');
+ if (ret)
+ break;
+ ret = sq_quote_buf(dst, argv[i]);
+ if (maxlen && dst->len > maxlen)
+ return -ENOSPC;
+ }
+ return ret;
+}