diff options
Diffstat (limited to 'compat/asprintf.c')
-rw-r--r-- | compat/asprintf.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/compat/asprintf.c b/compat/asprintf.c new file mode 100644 index 0000000..fcfb102 --- /dev/null +++ b/compat/asprintf.c @@ -0,0 +1,53 @@ +/* compatibility file for systems without asprintf. + * + * Copyright 2019 P Duveau + * + * This file is part of rsyslog. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * -or- + * see COPYING.ASL20 in the source distribution + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "config.h" +#ifndef HAVE_ASPRINTF + +#include <stdlib.h> +#include <stdarg.h> +#include <stdio.h> +int asprintf(char **strp, const char *fmt, ...) +{ + va_list ap; + int len; + + va_start(ap, fmt); + len = vsnprintf(NULL, 0, fmt, ap); + va_end(ap); + + *strp = malloc(len+1); + if (!*strp) { + return -1; + } + + va_start(ap, fmt); + vsnprintf(*strp, len+1, fmt, ap); + va_end(ap); + + (*strp)[len] = 0; + return len; +} +#else +/* XLC needs at least one method in source file even static to compile */ +#ifdef __xlc__ +static void dummy() {} +#endif +#endif /* #ifndef HAVE_ASPRINTF */ |