Change storage to int from char for CPU speed0.3.0

2 files changed, 6 insertions, 6 deletions

diff --git a/pfxtree.c b/pfxtree.c
index a1c1d8f..cffce7f 100644
--- a/pfxtree.c
+++ b/pfxtree.c
@@ -76,7 +76,7 @@ get_last_child(const PrefixTree *self)
 }
 
 static PrefixTree *
-get_child_by_ch(const PrefixTree *self, const char ch)
+get_child_by_ch(const PrefixTree *self, const int ch)
 {
 	PrefixTree *child;
 	pt_child_foreach(self, child)
@@ -89,7 +89,7 @@ get_child_by_ch(const PrefixTree *self, const char ch)
 }
 
 static int
-add(PrefixTree *self, const char *word, union _pt_data data, char type)
+add(PrefixTree *self, const char *word, union _pt_data data, int type)
 {
 	int rc = 0;
 	PrefixTree *node = self;
@@ -218,7 +218,7 @@ pt_data_p(const PrefixTree *self)
 	return self->data.p;
 }
 
-char
+int
 pt_data_type(const PrefixTree *self)
 {
 	return self->type;
diff --git a/pfxtree.h b/pfxtree.h
index e691fe4..b4b6851 100644
--- a/pfxtree.h
+++ b/pfxtree.h
@@ -58,8 +58,8 @@ union _pt_data
  */
 typedef struct _pt_trie
 {
-	char ch;
-	char type;
+	int ch;
+	int type;
 	union _pt_data data;
 
 	struct _pt_trie *parent;
@@ -140,7 +140,7 @@ pt_data_p(const PrefixTree *self);
  * @param self The node whose type is to be examined.
  * @return 'i' if integer, 'p' if pointer, or '\0' if no data.
  */
-char
+int
 pt_data_type(const PrefixTree *self);
 
 /**