X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/b17bc22bb3fc0c64092f31a31acbe21947c775ab..c7677b892a068d169a64fb699b6e41b0a342e390:/lib/compat.c

diff --git a/lib/compat.c b/lib/compat.c
index 8580fdb9..bf013763 100644
--- a/lib/compat.c
+++ b/lib/compat.c
@@ -95,29 +95,17 @@
 }
 #endif
 
-#ifdef REPLACE_INET_NTOA
- char *rep_inet_ntoa(struct in_addr ip)
-{
-	unsigned char *p = (unsigned char *)&ip.s_addr;
-	static char buf[18];
-#if WORDS_BIGENDIAN
-	slprintf(buf, 18, "%d.%d.%d.%d", 
-		 (int)p[0], (int)p[1], (int)p[2], (int)p[3]);
-#else
-	slprintf(buf, 18, "%d.%d.%d.%d", 
-		 (int)p[3], (int)p[2], (int)p[1], (int)p[0]);
-#endif
-	return buf;
-}
-#endif
 
 #ifndef HAVE_STRLCPY
-/* like strncpy but does not 0 fill the buffer and always null 
-   terminates. bufsize is the size of the destination buffer */
+/* Like strncpy but does not 0 fill the buffer and always null 
+ * terminates. bufsize is the size of the destination buffer.
+ *
+ * Returns the index of the terminating byte. */
  size_t strlcpy(char *d, const char *s, size_t bufsize)
 {
 	size_t len = strlen(s);
 	size_t ret = len;
+	if (bufsize <= 0) return 0;
 	if (len >= bufsize) len = bufsize-1;
 	memcpy(d, s, len);
 	d[len] = 0;
@@ -146,18 +134,55 @@
 }
 #endif
 
-#ifndef HAVE_INET_ATON
+#ifdef REPLACE_INET_NTOA
+ char *rep_inet_ntoa(struct in_addr ip)
+{
+	unsigned char *p = (unsigned char *)&ip.s_addr;
+	static char buf[18];
+#if WORDS_BIGENDIAN
+	snprintf(buf, 18, "%d.%d.%d.%d", 
+		 (int)p[0], (int)p[1], (int)p[2], (int)p[3]);
+#else
+	snprintf(buf, 18, "%d.%d.%d.%d", 
+		 (int)p[3], (int)p[2], (int)p[1], (int)p[0]);
+#endif
+	return buf;
+}
+#endif
+
+#ifdef REPLACE_INET_ATON
  int inet_aton(const char *cp, struct in_addr *inp)
 {
+	unsigned int a1, a2, a3, a4;
+	unsigned long ret;
+
 	if (strcmp(cp, "255.255.255.255") == 0) {
 		inp->s_addr = (unsigned) -1;
-		return 1;
+		return 0;
 	}
 
-	inp->s_addr = inet_addr(cp);
+	if (sscanf(cp, "%u.%u.%u.%u", &a1, &a2, &a3, &a4) != 4 ||
+	    a1 > 255 || a2 > 255 || a3 > 255 || a4 > 255) {
+		return 0;
+	}
+
+	ret = (a1 << 24) | (a2 << 16) | (a3 << 8) | a4;
+
+	inp->s_addr = htonl(ret);
+	
 	if (inp->s_addr == (unsigned) -1) {
 		return 0;
 	}
 	return 1;
 }
 #endif
+
+/* some systems don't take the 2nd argument */
+int sys_gettimeofday(struct timeval *tv)
+{
+#if HAVE_GETTIMEOFDAY_TZ
+	return gettimeofday(tv, NULL);
+#else
+	return gettimeofday(tv);
+#endif
+}