From c862d84d0b6827106a53bc571c81eb523b05c50f Mon Sep 17 00:00:00 2001 From: Xavier Del Campo Romero Date: Thu, 8 Oct 2020 08:41:22 +0200 Subject: Add dynstr_vprepend --- include/dynstr.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'include') diff --git a/include/dynstr.h b/include/dynstr.h index 2c36865..38c05c5 100644 --- a/include/dynstr.h +++ b/include/dynstr.h @@ -134,6 +134,19 @@ enum dynstr_err dynstr_vappend(struct dynstr *d, const char *format, va_list ap) */ enum dynstr_err dynstr_prepend(struct dynstr *d, const char *format, ...); +/** + * This function takes a string literal in printf format and a variable + * argument list, calculates its size and prepends it into the beginning of the + * dynamic string. + * @param d Dynamic string where new string will be prepended. + * @param format String literal in printf format. + * @param ap Variable argument list. + * @return Returns one of the following error codes: + * # DYNSTR_OK if successful. + * # DYNSTR_ERR_ALLOC if no more memory is available. + */ +enum dynstr_err dynstr_vprepend(struct dynstr *d, const char *format, va_list ap); + /** * This function duplicates a dynamic string to another instance. * @attention Destination instance must be initialized before calling -- cgit v1.2.3