Merge github.com:grpc/grpc into slice_with_exec_ctx

2 files changed, 14 insertions, 0 deletions

diff --git a/src/core/lib/support/string.c b/src/core/lib/support/string.c
index 0dc55c2ca3..d20b86f7cf 100644
--- a/src/core/lib/support/string.c
+++ b/src/core/lib/support/string.c
@@ -301,3 +301,15 @@ void gpr_string_split(const char *input, const char *sep, char ***strs,
   }
   add_string_to_split(input, input + strlen(input), strs, nstrs, &capstrs);
 }
+
+void *gpr_memrchr(const void *s, int c, size_t n) {
+  if (s == NULL) return NULL;
+  char *b = (char *)s;
+  size_t i;
+  for (i = 0; i < n; i++) {
+    if (b[n - i - 1] == c) {
+      return &b[n - i - 1];
+    }
+  }
+  return NULL;
+}
diff --git a/src/core/lib/support/string.h b/src/core/lib/support/string.h
index 43ab4dc1be..c7fb0dbd14 100644
--- a/src/core/lib/support/string.h
+++ b/src/core/lib/support/string.h
@@ -121,6 +121,8 @@ char *gpr_strvec_flatten(gpr_strvec *strs, size_t *total_length);
     lower(a)==lower(b), >0 if lower(a)>lower(b) */
 int gpr_stricmp(const char *a, const char *b);
 
+void *gpr_memrchr(const void *s, int c, size_t n);
+
 #ifdef __cplusplus
 }
 #endif