Mercurial > dropbear
diff dbutil.c @ 1934:83b6a47759a8
Add m_snprintf() that won't return negative
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Fri, 01 Apr 2022 12:10:48 +0800 |
| parents | 7ac3b6c380b1 |
| children |
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--- a/dbutil.c Fri Apr 01 11:56:10 2022 +0800 +++ b/dbutil.c Fri Apr 01 12:10:48 2022 +0800 @@ -771,3 +771,16 @@ return FD_ISSET(fd, &fds); } } + +int m_snprintf(char *str, size_t size, const char *format, ...) { + va_list param; + int ret; + + va_start(param, format); + ret = vsnprintf(str, size, format, param); + va_end(param); + if (ret < 0) { + dropbear_exit("snprintf failed"); + } + return ret; +}