Use a switch instead of successive if (strcmp()) statments.

diff --git a/archival/dpkg.c b/archival/dpkg.c
index b1aeebf..8b25bac 100644 (file)
--- a/archival/dpkg.c
+++ b/archival/dpkg.c
@@ -502,10 +502,24 @@ void free_package(common_node_t *node)
        }
 }
 
+/* returns the array number of the string */
+static unsigned short compare_string_array(const char *string_array[], const char *key)
+{
+       unsigned short i;
+
+       for (i = 0; string_array[i] != 0; i++) {
+               if (strcmp(string_array[i], key) == 0) {
+                       break;
+               }
+       }
+       return(i);
+}
+
 unsigned int fill_package_struct(char *control_buffer)
 {
        common_node_t *new_node = (common_node_t *) xcalloc(1, sizeof(common_node_t));
-
+       const char *field_names[] = { "Package", "Version", "Pre-Depends", "Depends",
+               "Replaces", "Provides", "Conflicts", "Suggests", "Recommends", "Enhances", 0};
        char *field_name;
        char *field_value;
        int field_start = 0;
@@ -514,42 +528,47 @@ unsigned int fill_package_struct(char *control_buffer)
 
        new_node->version = search_name_hashtable("unknown");
        while (field_start < buffer_length) {
+               unsigned short field_num;
+
                field_start += read_package_field(&control_buffer[field_start],
                                &field_name, &field_value);
 
                if (field_name == NULL) {
-                       goto fill_package_struct_cleanup; // Oh no, the dreaded goto statement !!
+                       goto fill_package_struct_cleanup; /* Oh no, the dreaded goto statement ! */
                }
 
-               if (strcmp(field_name, "Package") == 0) {
-                       new_node->name = search_name_hashtable(field_value);
-               }
-               else if (strcmp(field_name, "Version") == 0) {
-                       new_node->version = search_name_hashtable(field_value);
-               }
-               else if (strcmp(field_name, "Pre-Depends") == 0) {
-                       add_split_dependencies(new_node, field_value, EDGE_PRE_DEPENDS);
-               }
-               else if (strcmp(field_name, "Depends") == 0) {
-                       add_split_dependencies(new_node, field_value, EDGE_DEPENDS);
-               }
-               else if (strcmp(field_name, "Replaces") == 0) {
-                       add_split_dependencies(new_node, field_value, EDGE_REPLACES);
-               }
-               else if (strcmp(field_name, "Provides") == 0) {
-                       add_split_dependencies(new_node, field_value, EDGE_PROVIDES);
-               }
-               else if (strcmp(field_name, "Conflicts") == 0) {
-                       add_split_dependencies(new_node, field_value, EDGE_CONFLICTS);
-               }
-               else if (strcmp(field_name, "Suggests") == 0) {
-                       add_split_dependencies(new_node, field_value, EDGE_SUGGESTS);
-               }
-               else if (strcmp(field_name, "Recommends") == 0) {
-                       add_split_dependencies(new_node, field_value, EDGE_RECOMMENDS);
-               }
-               else if (strcmp(field_name, "Enhances") == 0) {
-                       add_split_dependencies(new_node, field_value, EDGE_ENHANCES);
+               field_num = compare_string_array(field_names, field_name);              
+               switch(field_num) {
+                       case 0: /* Package */
+                               new_node->name = search_name_hashtable(field_value);
+                               break;
+                       case 1: /* Version */
+                               new_node->version = search_name_hashtable(field_value);
+                               break;
+                       case 2: /* Pre-Depends */
+                               add_split_dependencies(new_node, field_value, EDGE_PRE_DEPENDS);
+                               break;
+                       case 3: /* Depends */
+                               add_split_dependencies(new_node, field_value, EDGE_DEPENDS);
+                               break;
+                       case 4: /* Replaces */
+                               add_split_dependencies(new_node, field_value, EDGE_REPLACES);
+                               break;
+                       case 5: /* Provides */
+                               add_split_dependencies(new_node, field_value, EDGE_PROVIDES);
+                               break;
+                       case 6: /* Conflicts */
+                               add_split_dependencies(new_node, field_value, EDGE_CONFLICTS);
+                               break;
+                       case 7: /* Suggests */
+                               add_split_dependencies(new_node, field_value, EDGE_SUGGESTS);
+                               break;
+                       case 8: /* Recommends */
+                               add_split_dependencies(new_node, field_value, EDGE_RECOMMENDS);
+                               break;
+                       case 9: /* Enhances */
+                               add_split_dependencies(new_node, field_value, EDGE_ENHANCES);
+                               break;
                }
 fill_package_struct_cleanup:
                if (field_name) {