diff --git a/src/sist.h b/src/sist.h
index dc4209e..221b6e4 100644
--- a/src/sist.h
+++ b/src/sist.h
@@ -48,6 +48,7 @@
 
 #include "types.h"
 #include "tpool.h"
+#include "utf8.h/utf8.h"
 #include "util.h"
 #include "io/store.h"
 #include "io/serialize.h"
@@ -63,7 +64,6 @@
 #include "parsing/cbr.h"
 #include "cli.h"
 #include "log.h"
-#include "utf8.h/utf8.h"
 
 #include "src/index/elastic.h"
 #include "index/web.h"
diff --git a/src/util.c b/src/util.c
index 898c622..e785d35 100644
--- a/src/util.c
+++ b/src/util.c
@@ -1,235 +1,6 @@
 #include "util.h"
 #include "src/ctx.h"
 
-dyn_buffer_t dyn_buffer_create() {
-    dyn_buffer_t buf;
-
-    buf.size = INITIAL_BUF_SIZE;
-    buf.cur = 0;
-    buf.buf = malloc(INITIAL_BUF_SIZE);
-
-    return buf;
-}
-
-void grow_buffer(dyn_buffer_t *buf, size_t size) {
-    if (buf->cur + size > buf->size) {
-        do {
-            buf->size *= 2;
-        } while (buf->cur + size > buf->size);
-
-        buf->buf = realloc(buf->buf, buf->size);
-    }
-}
-
-void grow_buffer_small(dyn_buffer_t *buf) {
-    if (buf->cur + sizeof(long) > buf->size) {
-        buf->size *= 2;
-        buf->buf = realloc(buf->buf, buf->size);
-    }
-}
-
-void dyn_buffer_write(dyn_buffer_t *buf, void *data, size_t size) {
-    grow_buffer(buf, size);
-
-    memcpy(buf->buf + buf->cur, data, size);
-    buf->cur += size;
-}
-
-void dyn_buffer_write_char(dyn_buffer_t *buf, char c) {
-    grow_buffer_small(buf);
-
-    *(buf->buf + buf->cur) = c;
-    buf->cur += sizeof(c);
-}
-
-void dyn_buffer_write_str(dyn_buffer_t *buf, char *str) {
-    dyn_buffer_write(buf, str, strlen(str));
-    dyn_buffer_write_char(buf, '\0');
-}
-
-void dyn_buffer_append_string(dyn_buffer_t *buf, char *str) {
-    dyn_buffer_write(buf, str, strlen(str));
-}
-
-void dyn_buffer_write_int(dyn_buffer_t *buf, int d) {
-    grow_buffer_small(buf);
-
-    *(int *) (buf->buf + buf->cur) = d;
-    buf->cur += sizeof(int);
-}
-
-void dyn_buffer_write_short(dyn_buffer_t *buf, short s) {
-    grow_buffer_small(buf);
-
-    *(short *) (buf->buf + buf->cur) = s;
-    buf->cur += sizeof(short);
-}
-
-void dyn_buffer_write_long(dyn_buffer_t *buf, unsigned long l) {
-    grow_buffer_small(buf);
-
-    *(unsigned long *) (buf->buf + buf->cur) = l;
-    buf->cur += sizeof(unsigned long);
-}
-
-void dyn_buffer_destroy(dyn_buffer_t *buf) {
-    free(buf->buf);
-}
-
-void text_buffer_destroy(text_buffer_t *buf) {
-    dyn_buffer_destroy(&buf->dyn_buffer);
-}
-
-text_buffer_t text_buffer_create(int max_size) {
-    text_buffer_t text_buf;
-
-    text_buf.dyn_buffer = dyn_buffer_create();
-    text_buf.max_size = max_size;
-    text_buf.last_char_was_whitespace = FALSE;
-
-    return text_buf;
-}
-
-void text_buffer_terminate_string(text_buffer_t *buf) {
-    if (buf->dyn_buffer.cur > 0 && *(buf->dyn_buffer.buf + buf->dyn_buffer.cur - 1) == ' ') {
-        *(buf->dyn_buffer.buf + buf->dyn_buffer.cur - 1) = '\0';
-    } else {
-        dyn_buffer_write_char(&buf->dyn_buffer, '\0');
-    }
-}
-
-__always_inline
-int utf8_validchr(const char *s) {
-    if (0x00 == (0x80 & *s)) {
-        return TRUE;
-    } else if (0xf0 == (0xf8 & *s)) {
-        if ((0x80 != (0xc0 & s[1])) || (0x80 != (0xc0 & s[2])) ||
-            (0x80 != (0xc0 & s[3]))) {
-            return FALSE;
-        }
-
-        if (0x80 == (0xc0 & s[4])) {
-            return FALSE;
-        }
-
-        if ((0 == (0x07 & s[0])) && (0 == (0x30 & s[1]))) {
-            return FALSE;
-        }
-    } else if (0xe0 == (0xf0 & *s)) {
-        if ((0x80 != (0xc0 & s[1])) || (0x80 != (0xc0 & s[2]))) {
-            return FALSE;
-        }
-
-        if (0x80 == (0xc0 & s[3])) {
-            return FALSE;
-        }
-
-        if ((0 == (0x0f & s[0])) && (0 == (0x20 & s[1]))) {
-            return FALSE;
-        }
-    } else if (0xc0 == (0xe0 & *s)) {
-        if (0x80 != (0xc0 & s[1])) {
-            return FALSE;
-        }
-
-        if (0x80 == (0xc0 & s[2])) {
-            return FALSE;
-        }
-
-        if (0 == (0x1e & s[0])) {
-            return FALSE;
-        }
-    } else {
-        return FALSE;
-    }
-
-    return TRUE;
-}
-
-int text_buffer_append_string(text_buffer_t *buf, char *str, size_t len) {
-
-    utf8_int32_t c;
-    if (str == NULL || len < 1 ||
-        (0xf0 == (0xf8 & str[0]) && len < 4) ||
-        (0xe0 == (0xf0 & str[0]) && len < 3) ||
-        (0xc0 == (0xe0 & str[0]) && len == 1) ||
-        *(str) == 0) {
-        return 0;
-    }
-
-    for (void *v = utf8codepoint(str, &c); c != '\0' && ((char *) v - str + 4) < len; v = utf8codepoint(v, &c)) {
-        if (utf8_validchr(v)) {
-            text_buffer_append_char(buf, c);
-        }
-    }
-    return 0;
-}
-
-int text_buffer_append_string0(text_buffer_t *buf, char *str) {
-    utf8_int32_t c;
-    for (void *v = utf8codepoint(str, &c); c != '\0'; v = utf8codepoint(v, &c)) {
-        if (utf8_validchr(v)) {
-            text_buffer_append_char(buf, c);
-        }
-    }
-}
-
-int text_buffer_append_char(text_buffer_t *buf, int c) {
-
-    if (SHOULD_IGNORE_CHAR(c) || c == ' ') {
-        if (!buf->last_char_was_whitespace && buf->dyn_buffer.cur != 0) {
-            dyn_buffer_write_char(&buf->dyn_buffer, ' ');
-            buf->last_char_was_whitespace = TRUE;
-
-            if (buf->max_size > 0 && buf->dyn_buffer.cur >= buf->max_size) {
-                return TEXT_BUF_FULL;
-            }
-        }
-    } else {
-        buf->last_char_was_whitespace = FALSE;
-        grow_buffer_small(&buf->dyn_buffer);
-
-        if (0 == ((utf8_int32_t) 0xffffff80 & c)) {
-            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = (char) c;
-        } else if (0 == ((utf8_int32_t) 0xfffff800 & c)) {
-            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0xc0 | (char) (c >> 6);
-            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0x80 | (char) (c & 0x3f);
-        } else if (0 == ((utf8_int32_t) 0xffff0000 & c)) {
-            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0xe0 | (char) (c >> 12);
-            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0x80 | (char) ((c >> 6) & 0x3f);
-            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0x80 | (char) (c & 0x3f);
-        } else {
-            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0xf0 | (char) (c >> 18);
-            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0x80 | (char) ((c >> 12) & 0x3f);
-            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0x80 | (char) ((c >> 6) & 0x3f);
-            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0x80 | (char) (c & 0x3f);
-        }
-
-        if (buf->max_size > 0 && buf->dyn_buffer.cur >= buf->max_size) {
-            return TEXT_BUF_FULL;
-        }
-    }
-
-    return 0;
-}
-
-void incremental_put(GHashTable *table, unsigned long inode_no, int mtime) {
-    g_hash_table_insert(table, (gpointer) inode_no, GINT_TO_POINTER(mtime));
-}
-
-int incremental_get(GHashTable *table, unsigned long inode_no) {
-    if (table != NULL) {
-        return GPOINTER_TO_INT(g_hash_table_lookup(table, (gpointer) inode_no));
-    } else {
-        return 0;
-    }
-}
-
-int incremental_mark_file_for_copy(GHashTable *table, unsigned long inode_no) {
-    g_hash_table_insert(table, GINT_TO_POINTER(inode_no), GINT_TO_POINTER(1));
-}
-
-
 #define PBSTR "========================================"
 #define PBWIDTH 40
 
diff --git a/src/util.h b/src/util.h
index 475e9da..69230fa 100644
--- a/src/util.h
+++ b/src/util.h
@@ -32,47 +32,258 @@ dyn_buffer_t url_escape(char *str);
 
 void progress_bar_print(double percentage, size_t tn_size, size_t index_size);
 
-
 GHashTable *incremental_get_table();
 
-dyn_buffer_t dyn_buffer_create();
+__always_inline
+static int utf8_validchr2(const char *s) {
+    if (0x00 == (0x80 & *s)) {
+        return TRUE;
+    } else if (0xf0 == (0xf8 & *s)) {
+        if ((0x80 != (0xc0 & s[1])) || (0x80 != (0xc0 & s[2])) ||
+            (0x80 != (0xc0 & s[3]))) {
+            return FALSE;
+        }
 
-void grow_buffer(dyn_buffer_t *buf, size_t size);
+        if (0x80 == (0xc0 & s[4])) {
+            return FALSE;
+        }
 
-void grow_buffer_small(dyn_buffer_t *buf);
+        if ((0 == (0x07 & s[0])) && (0 == (0x30 & s[1]))) {
+            return FALSE;
+        }
+    } else if (0xe0 == (0xf0 & *s)) {
+        if ((0x80 != (0xc0 & s[1])) || (0x80 != (0xc0 & s[2]))) {
+            return FALSE;
+        }
 
-void dyn_buffer_write(dyn_buffer_t *buf, void *data, size_t size);
+        if (0x80 == (0xc0 & s[3])) {
+            return FALSE;
+        }
 
-void dyn_buffer_write_char(dyn_buffer_t *buf, char c);
+        if ((0 == (0x0f & s[0])) && (0 == (0x20 & s[1]))) {
+            return FALSE;
+        }
+    } else if (0xc0 == (0xe0 & *s)) {
+        if (0x80 != (0xc0 & s[1])) {
+            return FALSE;
+        }
 
-void dyn_buffer_write_str(dyn_buffer_t *buf, char *str);
+        if (0x80 == (0xc0 & s[2])) {
+            return FALSE;
+        }
 
-void dyn_buffer_append_string(dyn_buffer_t *buf, char *str);
+        if (0 == (0x1e & s[0])) {
+            return FALSE;
+        }
+    } else {
+        return FALSE;
+    }
 
-void dyn_buffer_write_int(dyn_buffer_t *buf, int d);
+    return TRUE;
+}
 
-void dyn_buffer_write_short(dyn_buffer_t *buf, short s);
 
-void dyn_buffer_write_long(dyn_buffer_t *buf, unsigned long l);
+__always_inline
+static dyn_buffer_t dyn_buffer_create() {
+    dyn_buffer_t buf;
 
-void dyn_buffer_destroy(dyn_buffer_t *buf);
+    buf.size = INITIAL_BUF_SIZE;
+    buf.cur = 0;
+    buf.buf = malloc(INITIAL_BUF_SIZE);
 
-void text_buffer_destroy(text_buffer_t *buf);
+    return buf;
+}
 
-text_buffer_t text_buffer_create(int max_size);
+__always_inline
+static void grow_buffer(dyn_buffer_t *buf, size_t size) {
+    if (buf->cur + size > buf->size) {
+        do {
+            buf->size *= 2;
+        } while (buf->cur + size > buf->size);
 
-void text_buffer_terminate_string(text_buffer_t *buf);
+        buf->buf = realloc(buf->buf, buf->size);
+    }
+}
 
-int text_buffer_append_string(text_buffer_t *buf, char *str, size_t len);
-int text_buffer_append_string0(text_buffer_t *buf, char *str);
+__always_inline
+static void grow_buffer_small(dyn_buffer_t *buf) {
+    if (buf->cur + sizeof(long) > buf->size) {
+        buf->size *= 2;
+        buf->buf = realloc(buf->buf, buf->size);
+    }
+}
 
-int text_buffer_append_char(text_buffer_t *buf, int c);
+__always_inline
+static void dyn_buffer_write(dyn_buffer_t *buf, void *data, size_t size) {
+    grow_buffer(buf, size);
 
-void incremental_put(GHashTable *table, unsigned long inode_no, int mtime);
+    memcpy(buf->buf + buf->cur, data, size);
+    buf->cur += size;
+}
 
-int incremental_get(GHashTable *table, unsigned long inode_no);
+__always_inline
+static void dyn_buffer_write_char(dyn_buffer_t *buf, char c) {
+    grow_buffer_small(buf);
+
+    *(buf->buf + buf->cur) = c;
+    buf->cur += sizeof(c);
+}
+
+__always_inline
+static void dyn_buffer_write_str(dyn_buffer_t *buf, char *str) {
+    dyn_buffer_write(buf, str, strlen(str));
+    dyn_buffer_write_char(buf, '\0');
+}
+
+__always_inline
+static void dyn_buffer_append_string(dyn_buffer_t *buf, char *str) {
+    dyn_buffer_write(buf, str, strlen(str));
+}
+
+__always_inline
+static void dyn_buffer_write_int(dyn_buffer_t *buf, int d) {
+    grow_buffer_small(buf);
+
+    *(int *) (buf->buf + buf->cur) = d;
+    buf->cur += sizeof(int);
+}
+
+__always_inline
+static void dyn_buffer_write_short(dyn_buffer_t *buf, short s) {
+    grow_buffer_small(buf);
+
+    *(short *) (buf->buf + buf->cur) = s;
+    buf->cur += sizeof(short);
+}
+
+__always_inline
+static void dyn_buffer_write_long(dyn_buffer_t *buf, unsigned long l) {
+    grow_buffer_small(buf);
+
+    *(unsigned long *) (buf->buf + buf->cur) = l;
+    buf->cur += sizeof(unsigned long);
+}
+
+__always_inline
+static void dyn_buffer_destroy(dyn_buffer_t *buf) {
+    free(buf->buf);
+}
+
+__always_inline
+static void text_buffer_destroy(text_buffer_t *buf) {
+    dyn_buffer_destroy(&buf->dyn_buffer);
+}
+
+__always_inline
+static text_buffer_t text_buffer_create(int max_size) {
+    text_buffer_t text_buf;
+
+    text_buf.dyn_buffer = dyn_buffer_create();
+    text_buf.max_size = max_size;
+    text_buf.last_char_was_whitespace = FALSE;
+
+    return text_buf;
+}
+
+__always_inline
+static int text_buffer_append_char(text_buffer_t *buf, int c) {
+
+    if (SHOULD_IGNORE_CHAR(c) || c == ' ') {
+        if (!buf->last_char_was_whitespace && buf->dyn_buffer.cur != 0) {
+            dyn_buffer_write_char(&buf->dyn_buffer, ' ');
+            buf->last_char_was_whitespace = TRUE;
+
+            if (buf->max_size > 0 && buf->dyn_buffer.cur >= buf->max_size) {
+                return TEXT_BUF_FULL;
+            }
+        }
+    } else {
+        buf->last_char_was_whitespace = FALSE;
+        grow_buffer_small(&buf->dyn_buffer);
+
+        if (0 == ((utf8_int32_t) 0xffffff80 & c)) {
+            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = (char) c;
+        } else if (0 == ((utf8_int32_t) 0xfffff800 & c)) {
+            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0xc0 | (char) (c >> 6);
+            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0x80 | (char) (c & 0x3f);
+        } else if (0 == ((utf8_int32_t) 0xffff0000 & c)) {
+            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0xe0 | (char) (c >> 12);
+            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0x80 | (char) ((c >> 6) & 0x3f);
+            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0x80 | (char) (c & 0x3f);
+        } else {
+            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0xf0 | (char) (c >> 18);
+            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0x80 | (char) ((c >> 12) & 0x3f);
+            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0x80 | (char) ((c >> 6) & 0x3f);
+            *(buf->dyn_buffer.buf + buf->dyn_buffer.cur++) = 0x80 | (char) (c & 0x3f);
+        }
+
+        if (buf->max_size > 0 && buf->dyn_buffer.cur >= buf->max_size) {
+            return TEXT_BUF_FULL;
+        }
+    }
+
+    return 0;
+}
+
+
+__always_inline
+static void text_buffer_terminate_string(text_buffer_t *buf) {
+    if (buf->dyn_buffer.cur > 0 && *(buf->dyn_buffer.buf + buf->dyn_buffer.cur - 1) == ' ') {
+        *(buf->dyn_buffer.buf + buf->dyn_buffer.cur - 1) = '\0';
+    } else {
+        dyn_buffer_write_char(&buf->dyn_buffer, '\0');
+    }
+}
+
+__always_inline
+static int text_buffer_append_string(text_buffer_t *buf, char *str, size_t len) {
+
+    utf8_int32_t c;
+    if (str == NULL || len < 1 ||
+        (0xf0 == (0xf8 & str[0]) && len < 4) ||
+        (0xe0 == (0xf0 & str[0]) && len < 3) ||
+        (0xc0 == (0xe0 & str[0]) && len == 1) ||
+        *(str) == 0) {
+        return 0;
+    }
+
+    for (void *v = utf8codepoint(str, &c); c != '\0' && ((char *) v - str + 4) < len; v = utf8codepoint(v, &c)) {
+        if (utf8_validchr2(v)) {
+            text_buffer_append_char(buf, c);
+        }
+    }
+    return 0;
+}
+
+__always_inline
+static int text_buffer_append_string0(text_buffer_t *buf, char *str) {
+    utf8_int32_t c;
+    for (void *v = utf8codepoint(str, &c); c != '\0'; v = utf8codepoint(v, &c)) {
+        if (utf8_validchr2(v)) {
+            text_buffer_append_char(buf, c);
+        }
+    }
+}
+
+__always_inline
+static void incremental_put(GHashTable *table, unsigned long inode_no, int mtime) {
+    g_hash_table_insert(table, (gpointer) inode_no, GINT_TO_POINTER(mtime));
+}
+
+__always_inline
+static int incremental_get(GHashTable *table, unsigned long inode_no) {
+    if (table != NULL) {
+        return GPOINTER_TO_INT(g_hash_table_lookup(table, (gpointer) inode_no));
+    } else {
+        return 0;
+    }
+}
+
+__always_inline
+static int incremental_mark_file_for_copy(GHashTable *table, unsigned long inode_no) {
+    g_hash_table_insert(table, GINT_TO_POINTER(inode_no), GINT_TO_POINTER(1));
+}
 
-int incremental_mark_file_for_copy(GHashTable *table, unsigned long inode_no);
 
 const char *find_file_in_paths(const char **paths, const char *filename);