[PATCH v3 09/12] plugins: add API to print errors

[Sven Schnelle <svens@stackframe.org>]

add qemu_plugin_error_print() which is a wrapper around
error_report_err(). This will be used by
qemu_plugin_parse_filter_ranges() to report parse failures.

Signed-off-by: Sven Schnelle <svens@stackframe.org>
---
 include/qemu/qemu-plugin.h   | 12 ++++++++++++
 plugins/api.c                |  7 +++++++
 plugins/qemu-plugins.symbols |  1 +
 3 files changed, 20 insertions(+)

diff --git a/include/qemu/qemu-plugin.h b/include/qemu/qemu-plugin.h
index 45e2ebc8f8..5839feea4d 100644
--- a/include/qemu/qemu-plugin.h
+++ b/include/qemu/qemu-plugin.h
@@ -752,5 +752,17 @@ QEMU_PLUGIN_API
 int qemu_plugin_read_register(struct qemu_plugin_register *handle,
                               GByteArray *buf);
 
+typedef struct Error Error;
+
+/**
+ * qemu_plugin_error_print() - print and free error
+ *
+ * @err: a @Error handle
+ *
+ * This function shows and and frees the supplied error.
+ */
+
+QEMU_PLUGIN_API
+void qemu_plugin_error_print(Error *err);
 
 #endif /* QEMU_QEMU_PLUGIN_H */
diff --git a/plugins/api.c b/plugins/api.c
index 81f43c9ce8..8fd3a8964a 100644
--- a/plugins/api.c
+++ b/plugins/api.c
@@ -45,6 +45,7 @@
 #include "exec/ram_addr.h"
 #include "disas/disas.h"
 #include "plugin.h"
+#include "qapi/error.h"
 #ifndef CONFIG_USER_ONLY
 #include "qemu/plugin-memory.h"
 #include "hw/boards.h"
@@ -465,3 +466,9 @@ int qemu_plugin_read_register(struct qemu_plugin_register *reg, GByteArray *buf)
 
     return gdb_read_register(current_cpu, buf, GPOINTER_TO_INT(reg));
 }
+
+void qemu_plugin_error_print(Error *err)
+{
+    error_report_err(err);
+}
+
diff --git a/plugins/qemu-plugins.symbols b/plugins/qemu-plugins.symbols
index 27fe97239b..b142d11e58 100644
--- a/plugins/qemu-plugins.symbols
+++ b/plugins/qemu-plugins.symbols
@@ -2,6 +2,7 @@
   qemu_plugin_bool_parse;
   qemu_plugin_end_code;
   qemu_plugin_entry_code;
+  qemu_plugin_error_print;
   qemu_plugin_get_hwaddr;
   qemu_plugin_get_registers;
   qemu_plugin_hwaddr_device_name;
-- 
2.43.2