Add strict checks to hex to binary conversions.

[oweals/tinc.git] / lib / utils.h

diff --git a/lib/utils.h b/lib/utils.h
index c6fb18076e5078cdd27659372a3fdfa4178d960c..2e4fcf86083154b54399b8e34773d294ca1c9fd2 100644 (file)
--- a/lib/utils.h
+++ b/lib/utils.h
@@ -21,14 +21,25 @@
 #ifndef __TINC_UTILS_H__
 #define __TINC_UTILS_H__
 
-extern void hex2bin(char *src, char *dst, int length);
+extern bool hex2bin(char *src, char *dst, int length);
 extern void bin2hex(char *src, char *dst, int length);
 
 #ifdef HAVE_MINGW
 extern const char *winerror(int);
 #define strerror(x) ((x)>0?strerror(x):winerror(GetLastError()))
+#define sockerrno WSAGetLastError()
+#define sockstrerror(x) winerror(x)
+#define sockwouldblock(x) ((x) == WSAEWOULDBLOCK || (x) == WSAEINTR)
+#define sockmsgsize(x) ((x) == WSAEMSGSIZE)
+#define sockinprogress(x) ((x) == WSAEINPROGRESS || (x) == WSAEWOULDBLOCK)
+#else
+#define sockerrno errno
+#define sockstrerror(x) strerror(x)
+#define sockwouldblock(x) ((x) == EWOULDBLOCK || (x) == EINTR)
+#define sockmsgsize(x) ((x) == EMSGSIZE)
+#define sockinprogress(x) ((x) == EINPROGRESS)
 #endif
 
-extern unsigned int bitfield_to_int(void *bitfield, size_t size);
+extern unsigned int bitfield_to_int(const void *bitfield, size_t size);
 
 #endif                                                 /* __TINC_UTILS_H__ */