X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/5e6a0b23695a3c4677b1e84ffbc5cd5140e4a491..8a6aec16d8c21d3c57457e5ec00eb83f5242feba:/armsrc/util.c

diff --git a/armsrc/util.c b/armsrc/util.c
index 8a3da63a..650ba22b 100644
--- a/armsrc/util.c
+++ b/armsrc/util.c
@@ -52,6 +52,19 @@ int strlen(char *str)
 	return l;
 }
 
+char* strncat(char *dest, const char *src, unsigned int n)
+{
+	unsigned int dest_len = strlen(dest);
+	unsigned int i;
+	
+	for (i = 0 ; i < n && src[i] != '\0' ; i++)
+		dest[dest_len + i] = src[i];
+	dest[dest_len + i] = '\0';
+	
+	return dest;
+}
+
+
 void LEDsoff()
 {
 	LED_A_OFF();
@@ -222,3 +235,37 @@ void SpinDelay(int ms)
   // convert to uS and call microsecond delay function
 	SpinDelayUs(ms*1000);
 }
+
+/* Similar to FpgaGatherVersion this formats stored version information
+ * into a string representation. It takes a pointer to the struct version_information,
+ * verifies the magic properties, then stores a formatted string, prefixed by
+ * prefix in dst.
+ */
+void FormatVersionInformation(char *dst, int len, const char *prefix, void *version_information)
+{
+	struct version_information *v = (struct version_information*)version_information;
+	dst[0] = 0;
+	strncat(dst, prefix, len);
+	if(v->magic != VERSION_INFORMATION_MAGIC) {
+		strncat(dst, "Missing/Invalid version information", len);
+		return;
+	}
+	if(v->versionversion != 1) {
+		strncat(dst, "Version information not understood", len);
+		return;
+	}
+	if(!v->present) {
+		strncat(dst, "Version information not available", len);
+		return;
+	}
+	
+	strncat(dst, v->svnversion, len);
+	if(v->clean == 0) {
+		strncat(dst, "-unclean", len);
+	} else if(v->clean == 2) {
+		strncat(dst, "-suspect", len);
+	}
+	
+	strncat(dst, " ", len);
+	strncat(dst, v->buildtime, len);
+}