util: Add function hexits_value() for parsing multiple hex digits.

Suggested-by: Justin Pettit <jpettit@nicira.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/util.h b/lib/util.h
index 6bc17404..703b93cf 100644
--- a/lib/util.h
+++ b/lib/util.h
@@ -132,6 +132,7 @@ bool str_to_ullong(const char *, int base, unsigned long long *);
 bool str_to_double(const char *, double *);
 
 int hexit_value(int c);
+unsigned int hexits_value(const char *s, size_t n, bool *ok);
 
 char *get_cwd(void);
 char *dir_name(const char *file_name);