diff -r 5f7660fe1562 -r f1cff81e425a src/server/util/util.c
--- a/src/server/util/util.c	Mon Jun 24 14:41:32 2013 +0200
+++ b/src/server/util/util.c	Tue Jun 25 15:45:13 2013 +0200
@@ -108,17 +108,152 @@
     return nbytesdecoded;
 }
 
-/*
-NSAPI_PUBLIC int util_getboolean(const char *v, int def) {
-    if(v[0] == 'T' || v[0] == 't') {
-        return 1;
+
+/* --------------------------- util_env_create ---------------------------- */
+
+
+NSAPI_PUBLIC char **util_env_create(char **env, int n, int *pos)
+{
+    int x;
+
+    if(!env) {
+        *pos = 0;
+        return (char **) MALLOC((n + 1)*sizeof(char *));
+    }
+    else {
+        for(x = 0; (env[x]); x++);
+        env = (char **) REALLOC(env, (n + x + 1)*(sizeof(char *)));
+        *pos = x;
+        return env;
+    }
+}
+
+
+/* ---------------------------- util_env_free ----------------------------- */
+
+
+NSAPI_PUBLIC void util_env_free(char **env)
+{
+    register char **ep = env;
+
+    for(ep = env; *ep; ep++)
+        FREE(*ep);
+    FREE(env);
+}
+
+/* ----------------------------- util_env_str ----------------------------- */
+
+
+NSAPI_PUBLIC char *util_env_str(const char *name, const char *value) {
+    char *t;
+
+    t = (char *) MALLOC(strlen(name)+strlen(value)+2); /* 2: '=' and '\0' */
+
+    sprintf(t, "%s=%s", name, value);
+
+    return t;
+}
+
+
+/* --------------------------- util_env_replace --------------------------- */
+
+
+NSAPI_PUBLIC void util_env_replace(char **env, const char *name, const char *value)
+{
+    int x, y, z;
+    char *i;
+
+    for(x = 0; env[x]; x++) {
+        i = strchr(env[x], '=');
+        *i = '\0';
+        if(!strcmp(env[x], name)) {
+            y = strlen(env[x]);
+            z = strlen(value);
+
+            env[x] = (char *) REALLOC(env[x], y + z + 2);
+            util_sprintf(&env[x][y], "=%s", value);
+            return;
+        }
+        *i = '=';
     }
-    if(v[0] == 'F' || v[0] == 'f') {
-        return 0;
+}
+
+
+/* ---------------------------- util_env_find ----------------------------- */
+
+
+NSAPI_PUBLIC char *util_env_find(char **env, const char *name)
+{
+    char *i;
+    int x, r;
+
+    for(x = 0; env[x]; x++) {
+        i = strchr(env[x], '=');
+        *i = '\0';
+        r = !strcmp(env[x], name);
+        *i = '=';
+        if(r)
+            return i + 1;
     }
-    return def;
+    return NULL;
+}
+
+
+/* ---------------------------- util_env_copy ----------------------------- */
+
+
+NSAPI_PUBLIC char **util_env_copy(char **src, char **dst)
+{
+    char **src_ptr;
+    int src_cnt;
+    int index;
+
+    if (!src)
+        return NULL;
+
+    for (src_cnt = 0, src_ptr = src; *src_ptr; src_ptr++, src_cnt++);
+
+    if (!src_cnt)
+        return NULL;
+
+    dst = util_env_create(dst, src_cnt, &index);
+
+    for (src_ptr = src; *src_ptr; index++, src_ptr++)
+        dst[index] = STRDUP(*src_ptr);
+    dst[index] = NULL;
+    
+    return dst;
 }
-*/
+
+/* ----------------------------- util_sprintf ----------------------------- */
+
+NSAPI_PUBLIC int util_vsnprintf(char *s, int n, register const char *fmt, 
+                                va_list args)
+{
+    return vsnprintf(s, n, fmt, args);
+}
+
+NSAPI_PUBLIC int util_snprintf(char *s, int n, const char *fmt, ...)
+{
+    va_list args;
+    va_start(args, fmt);
+    return vsnprintf(s, n, fmt, args);
+}
+
+NSAPI_PUBLIC int util_vsprintf(char *s, register const char *fmt, va_list args)
+{
+    return vsprintf(s, fmt, args);
+}
+
+NSAPI_PUBLIC int util_sprintf(char *s, const char *fmt, ...)
+{
+    va_list args;
+    va_start(args, fmt);
+    return vsprintf(s, fmt, args);
+}
+
+// TODO: asprintf
+
 
 NSAPI_PUBLIC int INTutil_getboolean(const char *v, int def) {
     if(v[0] == 'T' || v[0] == 't') {