From 6514a0df72d9425ae5058eab6dd120179b2105d1 Mon Sep 17 00:00:00 2001
From: Yuchen Zeng <zyc@google.com>
Date: Fri, 25 Aug 2017 14:09:47 -0700
Subject: Add gpr_is_true

---
 src/core/lib/iomgr/iomgr.c    | 10 ++--------
 src/core/lib/support/string.c | 13 +++++++++++++
 src/core/lib/support/string.h |  3 +++
 3 files changed, 18 insertions(+), 8 deletions(-)

(limited to 'src/core')

diff --git a/src/core/lib/iomgr/iomgr.c b/src/core/lib/iomgr/iomgr.c
index 3d19953eeb..003ff9a21d 100644
--- a/src/core/lib/iomgr/iomgr.c
+++ b/src/core/lib/iomgr/iomgr.c
@@ -164,13 +164,7 @@ void grpc_iomgr_unregister_object(grpc_iomgr_object *obj) {
 
 bool grpc_iomgr_abort_on_leaks(void) {
   char *env = gpr_getenv("GRPC_ABORT_ON_LEAKS");
-  if (env == NULL) return false;
-  static const char *truthy[] = {"yes",  "Yes",  "YES", "true",
-                                 "True", "TRUE", "1"};
-  bool should_we = false;
-  for (size_t i = 0; i < GPR_ARRAY_SIZE(truthy); i++) {
-    if (0 == strcmp(env, truthy[i])) should_we = true;
-  }
-  gpr_free(env);
+  bool should_we = gpr_is_true(env);
+  grp_free(env);
   return should_we;
 }
diff --git a/src/core/lib/support/string.c b/src/core/lib/support/string.c
index b65009754a..ec93303024 100644
--- a/src/core/lib/support/string.c
+++ b/src/core/lib/support/string.c
@@ -298,3 +298,16 @@ void *gpr_memrchr(const void *s, int c, size_t n) {
   }
   return NULL;
 }
+
+bool gpr_is_true(const char *s) {
+  if (s == NULL) {
+    return false;
+  }
+  static const char *truthy[] = {"yes", "true", "1"};
+  for (size_t i = 0; i < GPR_ARRAY_SIZE(truthy); i++) {
+    if (0 == gpr_stricmp(s, truthy[i])) {
+      return true;
+    }
+  }
+  return false;
+}
diff --git a/src/core/lib/support/string.h b/src/core/lib/support/string.h
index e11df8439d..5a56fa3a0a 100644
--- a/src/core/lib/support/string.h
+++ b/src/core/lib/support/string.h
@@ -19,6 +19,7 @@
 #ifndef GRPC_CORE_LIB_SUPPORT_STRING_H
 #define GRPC_CORE_LIB_SUPPORT_STRING_H
 
+#include <stdbool.h>
 #include <stddef.h>
 
 #include <grpc/support/port_platform.h>
@@ -106,6 +107,8 @@ int gpr_stricmp(const char *a, const char *b);
 
 void *gpr_memrchr(const void *s, int c, size_t n);
 
+/** Return true if lower(s) equals "true", "yes" or "1", otherwise false. */
+bool gpr_is_true(const char *s);
 #ifdef __cplusplus
 }
 #endif
-- 
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