Libc-1353.60.8.tar.gz

[apple/libc.git] / os / assumes.h

diff --git a/os/assumes.h b/os/assumes.h
index ac76db5097d79485e399e72c2feb7d20a1f5f5ed..c5bca695b2a5e49096981c64119b1329023fbb38 100644 (file)
--- a/os/assumes.h
+++ b/os/assumes.h
@@ -133,6 +133,28 @@ os_assert_sprintf(int ret, size_t buff_size)
        }
 }
 
+/*!
+ * @function os_assert_asprintf
+ * A routine to assert the result of a call to {v}asprintf(3).
+ *
+ * @param ret
+ * The return value from {v}asnprintf(3).
+ *
+ * @discussion
+ * If ret is less than zero, the routine will abort the caller with a message
+ * indicating the nature of the failure in the Application Specific Information
+ * section of the resulting crash log.
+ */
+API_AVAILABLE(macos(10.15.2), ios(13.3), tvos(13.3), watchos(6.1.1))
+OS_ALWAYS_INLINE OS_COLD
+static inline void
+os_assert_asprintf(int ret)
+{
+       if (ret < 0) {
+               os_crash("error printing buffer: %s", strerror(errno));
+       }
+}
+
 /*!
  * @function os_assert_malloc
  * A routine to assert the result of allocations which may fail.