diff options
Diffstat (limited to 'lib/mpls_pton.c')
| -rw-r--r-- | lib/mpls_pton.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/lib/mpls_pton.c b/lib/mpls_pton.c index bd448cfc..6d2e6a69 100644 --- a/lib/mpls_pton.c +++ b/lib/mpls_pton.c @@ -7,12 +7,13 @@ #include "utils.h" -static int mpls_pton1(const char *name, struct mpls_label *addr) +static int mpls_pton1(const char *name, struct mpls_label *addr, + unsigned int maxlabels) { char *endp; unsigned count; - for (count = 0; count < MPLS_MAX_LABELS; count++) { + for (count = 0; count < maxlabels; count++) { unsigned long label; label = strtoul(name, &endp, 0); @@ -37,17 +38,19 @@ static int mpls_pton1(const char *name, struct mpls_label *addr) addr += 1; } /* The address was too long */ + fprintf(stderr, "Error: too many labels.\n"); return 0; } -int mpls_pton(int af, const char *src, void *addr) +int mpls_pton(int af, const char *src, void *addr, size_t alen) { + unsigned int maxlabels = alen / sizeof(struct mpls_label); int err; switch(af) { case AF_MPLS: errno = 0; - err = mpls_pton1(src, (struct mpls_label *)addr); + err = mpls_pton1(src, (struct mpls_label *)addr, maxlabels); break; default: errno = EAFNOSUPPORT; |