From 416ef5e2bf59bb2e45066a1d5d91ac677c0f48e5 Mon Sep 17 00:00:00 2001 From: Laurent Bercot Date: Wed, 10 Dec 2014 03:05:47 +0000 Subject: Initial commit --- src/libs6dns/s6dns_message_get_string_internal.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 src/libs6dns/s6dns_message_get_string_internal.c (limited to 'src/libs6dns/s6dns_message_get_string_internal.c') diff --git a/src/libs6dns/s6dns_message_get_string_internal.c b/src/libs6dns/s6dns_message_get_string_internal.c new file mode 100644 index 0000000..4f6eb0c --- /dev/null +++ b/src/libs6dns/s6dns_message_get_string_internal.c @@ -0,0 +1,16 @@ +/* ISC license. */ + +#include +#include +#include +#include "s6dns-message-internal.h" + +int s6dns_message_get_string_internal (char *s, unsigned int max, char const *packet, unsigned int packetlen, unsigned int *pos) +{ + register unsigned char len = ((unsigned char const *)packet)[*pos] ; + if (*pos + len + 1 > packetlen) return (errno = EPROTO, -1) ; + if (len > max) return (errno = ENAMETOOLONG, -1) ; + byte_copy(s, len, packet + *pos + 1) ; + *pos += len + 1 ; + return (int)len ; +} -- cgit v1.3.1