Preserve API/ABI of amqp_error_string()

Preserve API/ABI of amqp_error_string() by having it return a string
allocated on the heap. Deprecate this function in favor of
amqp_error_string2() which returns a statically allocated string

1 files changed, 6 insertions, 1 deletions

diff --git a/librabbitmq/amqp_api.c b/librabbitmq/amqp_api.c
index 9f65c4c..8be44ad 100644
--- a/librabbitmq/amqp_api.c
+++ b/librabbitmq/amqp_api.c
@@ -85,7 +85,7 @@ static const char *ssl_error_strings[] = {
 
 static const char *unknown_error_string = "(unknown error)";
 
-const char *amqp_error_string(int code)
+const char *amqp_error_string2(int code)
 {
   const char *error_string;
   size_t category = (((-code) & ERROR_CATEGORY_MASK) >> 16);
@@ -126,6 +126,11 @@ const char *amqp_error_string(int code)
   return error_string;
 }
 
+char *amqp_error_string(int code)
+{
+  return strdup(amqp_error_string2(code));
+}
+
 void amqp_abort(const char *fmt, ...)
 {
   va_list ap;