Will be used to convert strings to unsigned long long.
Signed-off-by: Ilya Maximets <[email protected]>
---
lib/util.c | 18 ++++++++++++++++++
lib/util.h | 1 +
2 files changed, 19 insertions(+)
diff --git a/lib/util.c b/lib/util.c
index ac982d5..2a59ac3 100644
--- a/lib/util.c
+++ b/lib/util.c
@@ -766,6 +766,24 @@ str_to_uint(const char *s, int base, unsigned int *u)
}
bool
+str_to_ullong(const char *s, int base, unsigned long long *x)
+{
+ int save_errno = errno;
+ char *tail;
+
+ errno = 0;
+ *x = strtoull(s, &tail, base);
+ if (errno == EINVAL || errno == ERANGE || tail == s || *tail != '\0') {
+ errno = save_errno;
+ *x = 0;
+ return false;
+ } else {
+ errno = save_errno;
+ return true;
+ }
+}
+
+bool
str_to_llong_range(const char *s, int base, long long *begin,
long long *end)
{
diff --git a/lib/util.h b/lib/util.h
index d355313..b01f421 100644
--- a/lib/util.h
+++ b/lib/util.h
@@ -205,6 +205,7 @@ bool str_to_long(const char *, int base, long *);
bool str_to_llong(const char *, int base, long long *);
bool str_to_llong_with_tail(const char *, char **, int base, long long *);
bool str_to_uint(const char *, int base, unsigned int *);
+bool str_to_ullong(const char *, int base, unsigned long long *);
bool str_to_llong_range(const char *, int base, long long *, long long *);
bool ovs_scan(const char *s, const char *format, ...) OVS_SCANF_FORMAT(2, 3);
--
2.7.4
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