* pass unsigned char to hash_string

* load_file returns char

comar/include/utility.h

@@ -13,7 +13,7 @@ char *strsub(const char *str, int start, int end);
 char *strrep(const char *str, char old, char new);
 
 int check_file(const char *fname);
-unsigned char *load_file(const char *fname, int *sizeptr);
+char *load_file(const char *fname, int *sizeptr);
 int save_file(const char *fname, const char *buffer, size_t size);
 
 unsigned long time_diff(struct timeval *start, struct timeval *end);

comar/src/model.c

@@ -134,7 +134,7 @@ model_lookup_interface(const char *iface)
     struct node *n;
     int val;
 
-    val = hash_string(iface, strlen(iface)) % TABLE_SIZE;
+    val = hash_string((unsigned char*) iface, strlen(iface)) % TABLE_SIZE;
     for (n = node_table[val]; n; n = n->next) {
         if (N_INTERFACE == n->type && strcmp(n->path, iface) == 0) {
             return n->no;
@@ -163,7 +163,7 @@ model_lookup_method(const char *iface, const char *method)
     snprintf(path, size, "%s.%s", iface, method);
     path[size - 1] = '\0';
 
-    val = hash_string(path, strlen(path)) % TABLE_SIZE;
+    val = hash_string((unsigned char*) path, strlen(path)) % TABLE_SIZE;
     for (n = node_table[val]; n; n = n->next) {
         if (N_METHOD == n->type && strcmp(n->path, path) == 0) {
             free(path);
@@ -204,7 +204,7 @@ model_lookup_signal(const char *iface, const char *signal)
     snprintf(path, size, "%s.%s", iface, signal);
     path[size - 1] = '\0';
 
-    val = hash_string(path, strlen(path)) % TABLE_SIZE;
+    val = hash_string((unsigned char*) path, strlen(path)) % TABLE_SIZE;
     for (n = node_table[val]; n; n = n->next) {
         if (N_SIGNAL == n->type && strcmp(n->path, path) == 0) {
             free(path);
@@ -239,7 +239,7 @@ add_node(int parent_no, const char *path, char *label, int type)
     n->no = model_nr_nodes++;
     n->access_label = label;
 
-    val = hash_string(path, len) % TABLE_SIZE;
+    val = hash_string((unsigned char*) path, len) % TABLE_SIZE;
     n->next = node_table[val];
     node_table[val] = n;
 

comar/src/utility.c

@@ -96,7 +96,7 @@ check_file(const char *fname)
 }
 
 //! Returns content of a file
-unsigned char *
+char *
 load_file(const char *fname, int *sizeptr)
 {
     /*!
@@ -110,7 +110,7 @@ load_file(const char *fname, int *sizeptr)
     FILE *f;
     struct stat fs;
     size_t size;
-    unsigned char *data;
+    char *data;
 
     if (stat(fname, &fs) != 0) return NULL;
     size = fs.st_size;