#include "crypto.h"
#define B64_SIZE(len) ((len) * 4 / 3 + 5)
+#define HEX_SIZE(len) ((len) * 2 + 1)
extern size_t hex2bin(const char *src, void *dst, size_t length);
extern size_t bin2hex(const void *src, char *dst, size_t length);
+// Returns true if string represents a base-10 integer.
+extern bool is_decimal(const char *str);
+
+// The reverse of atoi().
+extern char *int_to_str(int num);
+
extern size_t b64encode_tinc(const void *src, char *dst, size_t length);
extern size_t b64encode_tinc_urlsafe(const void *src, char *dst, size_t length);
extern size_t b64decode_tinc(const char *src, void *dst, size_t length);
-#ifdef HAVE_MINGW
+#ifdef HAVE_WINDOWS
extern const char *winerror(int);
#define strerror(x) ((x)>0?strerror(x):winerror(GetLastError()))
#define sockerrno WSAGetLastError()
extern bool check_netname(const char *netname, bool strict);
char *replace_name(const char *name);
+char *absolute_path(const char *path) ATTR_MALLOC;
+
extern FILE *fopenmask(const char *filename, const char *mode, mode_t perms);
#endif