X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;ds=sidebyside;f=src%2Futils.c;h=c395169d4ba05801cdef49d9bcdfb1fe3ff1c2e7;hb=c44b08613508c993e7fd9f625e0b1b4775efffed;hp=4150d92bf8e5d8804e40800c004115c1a97f5189;hpb=373b0c12d9d0e8a3b449fd18be704e28dd6403e1;p=tinc

diff --git a/src/utils.c b/src/utils.c
index 4150d92b..c395169d 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -18,6 +18,8 @@
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
+#include <assert.h>
+
 #include "logger.h"
 #include "system.h"
 #include "utils.h"
@@ -119,6 +121,24 @@ size_t b64decode_tinc(const char *src, void *dst, size_t length) {
 	}
 }
 
+bool is_decimal(const char *str) {
+	if(!str) {
+		return false;
+	}
+
+	errno = 0;
+	char *badchar = NULL;
+	strtol(str, &badchar, 10);
+	return !errno && badchar != str && !*badchar;
+}
+
+// itoa() conflicts with a similarly named function under MinGW.
+char *int_to_str(int num) {
+	char *str = NULL;
+	xasprintf(&str, "%d", num);
+	return str;
+}
+
 static size_t b64encode_tinc_internal(const void *src, char *dst, size_t length, const char *alphabet) {
 	uint32_t triplet;
 	const unsigned char *usrc = (unsigned char *)src;