* Do nothing when user set log function to NULL. * Update document to reflect so.
Signed-off-by: Gris Ge <[email protected]> --- libdmmp/libdmmp.c | 3 +++ libdmmp/libdmmp/libdmmp.h | 3 ++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/libdmmp/libdmmp.c b/libdmmp/libdmmp.c index b4e7f08f..74cdb0a6 100644 --- a/libdmmp/libdmmp.c +++ b/libdmmp/libdmmp.c @@ -89,6 +89,9 @@ void _dmmp_log(struct dmmp_context *ctx, int priority, const char *file, { va_list args; + if (ctx->log_func == NULL) + return; + va_start(args, format); ctx->log_func(ctx, priority, file, line, func_name, format, args); va_end(args); diff --git a/libdmmp/libdmmp/libdmmp.h b/libdmmp/libdmmp/libdmmp.h index 72b79b97..6e233e4f 100644 --- a/libdmmp/libdmmp/libdmmp.h +++ b/libdmmp/libdmmp/libdmmp.h @@ -258,7 +258,8 @@ DMMP_DLL_EXPORT int dmmp_context_log_priority_get(struct dmmp_context *ctx); * Pointer of 'struct dmmp_context'. * If this pointer is NULL, your program will be terminated by assert. * @log_func: - * Pointer of log handler function. + * Pointer of log handler function. If set to NULL, all log will be + * ignored. * * Return: * void -- 2.15.0 -- dm-devel mailing list [email protected] https://www.redhat.com/mailman/listinfo/dm-devel
