1 files changed, 65 insertions, 0 deletions
diff --git a/src/util/string.cpp b/src/util/string.cpp
index 215ac299d..61b307c60 100644
--- a/src/util/string.cpp
+++ b/src/util/string.cpp
@@ -21,6 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "../sha1.h"
 #include "../base64.h"
+#include "../porting.h"
 
 // Get an sha-1 hash of the player's name combined with
 // the password entered. That's what the server uses as
@@ -47,3 +48,67 @@ size_t curl_write_data(char *ptr, size_t size, size_t nmemb, void *userdata) {
     stream->write(ptr, count);
     return count;
 }
+
+u32 readFlagString(std::string str, FlagDesc *flagdesc) {
+	u32 result = 0;
+	char *s = &str[0];
+	char *flagstr, *strpos = NULL;
+	
+	while ((flagstr = strtok_r(s, ",", &strpos))) {
+		s = NULL;
+		
+		while (*flagstr == ' ' || *flagstr == '\t')
+			flagstr++;
+		
+		for (int i = 0; flagdesc[i].name; i++) {
+			if (!strcasecmp(flagstr, flagdesc[i].name)) {
+				result |= flagdesc[i].flag;
+				break;
+			}
+		}
+	}
+	
+	return result;
+}
+
+std::string writeFlagString(u32 flags, FlagDesc *flagdesc) {
+	std::string result;
+	
+	for (int i = 0; flagdesc[i].name; i++) {
+		if (flags & flagdesc[i].flag) {
+			result += flagdesc[i].name;
+			result += ", ";
+		}
+	}
+	
+	size_t len = result.length();
+	if (len >= 2)
+		result.erase(len - 2, 2);
+	
+	return result;
+}
+
+char *mystrtok_r(char *s, const char *sep, char **lasts) {
+	char *t;
+
+	if (!s)
+		s = *lasts;
+
+	while (*s && strchr(sep, *s))
+		s++;
+
+	if (!*s)
+		return NULL;
+
+	t = s;
+	while (*t) {
+		if (strchr(sep, *t)) {
+			*t++ = '\0';
+			break;
+		}
+		t++;
+	}
+	
+	*lasts = t;
+	return s;
+}