Add const

include/r3.h

@@ -24,7 +24,7 @@ typedef struct _str_array {
 
 str_array * str_array_create(int cap);
 
-bool str_array_is_full(str_array * l);
+bool str_array_is_full(const str_array * l);
 
 bool str_array_resize(str_array *l, int new_cap);
 
@@ -32,7 +32,7 @@ bool str_array_append(str_array * list, char * token);
 
 void str_array_free(str_array *l);
 
-void str_array_dump(str_array *l);
+void str_array_dump(const str_array *l);
 
 str_array * split_route_pattern(char *pattern, int pattern_len);
 
@@ -136,7 +136,7 @@ edge * r3_node_connectl(node * n, char * pat, int len, int strdup, node *child);
 
 #define r3_node_connect(n, pat, child) r3_node_connectl(n, pat, strlen(pat), 0, child)
 
-edge * r3_node_find_edge(node * n, char * pat);
+edge * r3_node_find_edge(const node * n, char * pat);
 
 void r3_node_append_edge(node *n, edge *child);
 
@@ -151,7 +151,7 @@ node * r3_tree_insert_pathl(node *tree, char *path, int path_len, void * data);
  */
 node * r3_tree_insert_pathl_(node *tree, char *path, int path_len, route * route, void * data);
 
-void r3_tree_dump(node * n, int level);
+void r3_tree_dump(const node * n, int level);
 
 int r3_tree_render_file(node * tree, char * format, char * filename);
 
@@ -171,9 +171,9 @@ node * r3_tree_matchl(const node * n, char * path, int path_len, match_entry * e
 // node * r3_tree_match_entry(node * n, match_entry * entry);
 #define r3_tree_match_entry(n, entry) r3_tree_matchl(n, entry->path, entry->path_len, entry)
 
-bool r3_node_has_slug_edges(node *n);
+bool r3_node_has_slug_edges(const node *n);
 
-edge * r3_edge_create(char * pattern, int pattern_len, node * child);
+edge * r3_edge_create(const char * pattern, int pattern_len, node * child);
 
 node * r3_edge_branch(edge *e, int dl);
 
@@ -188,9 +188,9 @@ match_entry * match_entry_createl(char * path, int path_len);
 void match_entry_free(match_entry * entry);
 
 
-route * r3_route_create(char * path);
+route * r3_route_create(const char * path);
 
-route * r3_route_createl(char * path, int path_len);
+route * r3_route_createl(const char * path, int path_len);
 
 int r3_route_cmp(route *r1, match_entry *r2);
 

src/edge.c

@@ -23,7 +23,7 @@
 #include "r3_str.h"
 #include "zmalloc.h"
 
-edge * r3_edge_create(char * pattern, int pattern_len, node * child) {
+edge * r3_edge_create(const char * pattern, int pattern_len, node * child) {
     edge * e = (edge*) zmalloc( sizeof(edge) );
     e->pattern = pattern;
     e->pattern_len = pattern_len;

src/list.c

@@ -1,6 +1,5 @@
 /*
- * list.c
- * Copyright (C) 2014 c9s <c9s@c9smba.local>
+ * list.c Copyright (C) 2014 c9s <c9s@c9smba.local>
  * 
  * Distributed under terms of the MIT license.
  */
@@ -37,17 +36,13 @@ list_free(l)
                 li = tmp;
             }
         }
-
         pthread_mutex_unlock(&(l->mutex));
         pthread_mutex_destroy(&(l->mutex));
         zfree(l);
     }
 }
 
-list_item *
-list_add_element(l, ptr)
-  list *l;
-  void *ptr;
+list_item * list_add_element(list * l, void * ptr) 
 {
     list_item      *li;
 
@@ -60,8 +55,7 @@ list_add_element(l, ptr)
 
     if (l->tail == NULL) {
         l->head = l->tail = li;
-  }
-  else {
+    } else {
         l->tail = li;
     }
     l->count++;
@@ -85,15 +79,13 @@ list_remove_element(l, ptr)
         if (li->value == ptr) {
             if (li->prev == NULL) {
                 l->head = li->next;
-      }
-      else {
+            } else {
                 li->prev->next = li->next;
             }
 
             if (li->next == NULL) {
                 l->tail = li->prev;
-      }
-      else {
+            } else {
                 li->next->prev = li->prev;
             }
             l->count--;
@@ -112,7 +104,7 @@ list_remove_element(l, ptr)
 void
 list_each_element(l, func)
     list           *l;
-  int (*func)(list_item *);
+    int             (*func) (list_item *);
 {
     list_item      *li;
 

src/node.c

@@ -109,7 +109,7 @@ void r3_node_append_edge(node *n, edge *e) {
     n->edges[ n->edge_len++ ] = e;
 }
 
-edge * r3_node_find_edge(node * n, char * pat) {
+edge * r3_node_find_edge(const node * n, char * pat) {
     edge * e;
     for (int i = 0 ; i < n->edge_len ; i++ ) {
         e = n->edges[i];
@@ -420,7 +420,7 @@ node * r3_node_create() {
 }
 
 
-route * r3_route_create(char * path) {
+route * r3_route_create(const char * path) {
     return r3_route_createl(path, strlen(path));
 }
 
@@ -428,9 +428,9 @@ void r3_route_free(route * route) {
     zfree(route);
 }
 
-route * r3_route_createl(char * path, int path_len) {
+route * r3_route_createl(const char * path, int path_len) {
     route * info = zmalloc(sizeof(route));
-    info->path = path;
+    info->path = (char*) path;
     info->path_len = path_len;
     info->request_method = 0; // can be (GET || POST)
 
@@ -602,7 +602,7 @@ node * r3_tree_insert_pathl_(node *tree, char *path, int path_len, route * route
     return n;
 }
 
-bool r3_node_has_slug_edges(node *n) {
+bool r3_node_has_slug_edges(const node *n) {
     bool found = FALSE;
     edge *e;
     for ( int i = 0 ; i < n->edge_len ; i++ ) {
@@ -616,7 +616,7 @@ bool r3_node_has_slug_edges(node *n) {
 
 
 
-void r3_tree_dump(node * n, int level) {
+void r3_tree_dump(const node * n, int level) {
     print_indent(level);
 
     printf("(o)");

src/token.c

@@ -22,17 +22,18 @@ str_array * str_array_create(int cap) {
 
 void str_array_free(str_array *l) {
     for ( int i = 0; i < l->len ; i++ ) {
-        char * t = l->tokens[ i ];
-        zfree(t);
+        if (l->tokens[ i ]) {
+            zfree(l->tokens[i]);
+        }
     }
     zfree(l);
 }
 
-bool str_array_is_full(str_array * l) {
+bool str_array_is_full(const str_array * l) {
     return l->len >= l->cap;
 }
 
-bool str_array_resize(str_array *l, int new_cap) {
+bool str_array_resize(str_array * l, int new_cap) {
     l->tokens = zrealloc(l->tokens, sizeof(char**) * new_cap);
     l->cap = new_cap;
     return l->tokens != NULL;
@@ -49,7 +50,7 @@ bool str_array_append(str_array * l, char * token) {
     return TRUE;
 }
 
-void str_array_dump(str_array *l) {
+void str_array_dump(const str_array *l) {
     printf("[");
     for ( int i = 0; i < l->len ; i++ ) {
         printf("\"%s\"", l->tokens[i] );