11 files changed, 246 insertions, 72 deletions

diff --git a/include/plist/plist.h b/include/plist/plist.h
index df30ac4..4547f18 100644
--- a/include/plist/plist.h
+++ b/include/plist/plist.h
@@ -394,6 +394,14 @@ extern "C" {
  */
         PLIST_API plist_t plist_find_node_by_string(plist_t plist, const char *value);
 
+/**
+ * Compare two node values
+ *
+ * @param node_l left node to compare
+ * @param node_r rigth node to compare
+ * @return TRUE is type and value match, FALSE otherwise.
+ */
+        PLIST_API char plist_compare_node_value(plist_t node_l, plist_t node_r);
 
 /*@}*/
 
diff --git a/src/bplist.c b/src/bplist.c
index 95070d7..cf9b9c6 100644
--- a/src/bplist.c
+++ b/src/bplist.c
@@ -87,7 +87,7 @@ static uint32_t uint24_from_be(char *buff)
 #define UINT_TO_HOST(x, n) \
                 (n == 8 ? GUINT64_FROM_BE( *(uint64_t *)(x) ) : \
                 (n == 4 ? GUINT32_FROM_BE( *(uint32_t *)(x) ) : \
-                (n == 3 ? uint24_from_be( x ) : \
+                (n == 3 ? uint24_from_be( (char*)x ) : \
                 (n == 2 ? GUINT16_FROM_BE( *(uint16_t *)(x) ) : \
                 *(uint8_t *)(x) ))))
 
@@ -99,10 +99,7 @@ static uint32_t uint24_from_be(char *buff)
                 ( ((uint64_t)x) < (1ULL << 24) ? 3 : \
                 ( ((uint64_t)x) < (1ULL << 32) ? 4 : 8))))
 
-#define get_real_bytes(x) (x >> 32 ? 4 : 8)
-
-
-
+#define get_real_bytes(x) (x == (float) x ? 4 : 8)
 
 
 static plist_t parse_uint_node(char *bnode, uint8_t size, char **next_object)
@@ -133,12 +130,18 @@ static plist_t parse_uint_node(char *bnode, uint8_t size, char **next_object)
 static plist_t parse_real_node(char *bnode, uint8_t size)
 {
         plist_data_t data = plist_new_plist_data();
+        float floatval = 0.0;
 
         size = 1 << size;                       // make length less misleading
         switch (size) {
         case sizeof(float):
+                floatval = *(float*)bnode;
+                byte_convert((uint8_t*)&floatval, sizeof(float));
+                data->realval = floatval;
+                break;
         case sizeof(double):
-                data->intval = UINT_TO_HOST(bnode, size);       //use the fact that we have an union to cheat byte swapping
+                data->realval = *(double*)bnode;
+                byte_convert((uint8_t*)&(data->realval), sizeof(double));
                 break;
         default:
                 free(data);
@@ -187,7 +190,7 @@ static plist_t parse_unicode_node(char *bnode, uint64_t size)
         data->unicodeval[sizeof(gunichar2) * size] = '\0';
         data->length = size;
         for (i = 0; i <= size; i++)
-                byte_convert(data->unicodeval + i, sizeof(gunichar2));
+                byte_convert((uint8_t*)(data->unicodeval + i), sizeof(gunichar2));
         return g_node_new(data);
 }
 
@@ -543,63 +546,7 @@ static guint plist_data_hash(gconstpointer key)
         return hash;
 }
 
-static gboolean plist_data_compare(gconstpointer a, gconstpointer b)
-{
-        plist_data_t val_a = NULL;
-        plist_data_t val_b = NULL;
 
-        if (!a || !b)
-                return FALSE;
-
-        if (!((GNode *) a)->data || !((GNode *) b)->data)
-                return FALSE;
-
-        val_a = plist_get_data((plist_t) a);
-        val_b = plist_get_data((plist_t) b);
-
-        if (val_a->type != val_b->type)
-                return FALSE;
-
-        switch (val_a->type) {
-        case PLIST_BOOLEAN:
-        case PLIST_UINT:
-        case PLIST_REAL:
-                if (val_a->intval == val_b->intval)     //it is an union so this is sufficient
-                        return TRUE;
-                else
-                        return FALSE;
-
-        case PLIST_KEY:
-        case PLIST_STRING:
-                if (!strcmp(val_a->strval, val_b->strval))
-                        return TRUE;
-                else
-                        return FALSE;
-        case PLIST_UNICODE:
-                if (!memcmp(val_a->unicodeval, val_b->unicodeval, val_a->length))
-                        return TRUE;
-                else
-                        return FALSE;
-
-        case PLIST_DATA:
-        case PLIST_ARRAY:
-        case PLIST_DICT:
-                //compare pointer
-                if (a == b)
-                        return TRUE;
-                else
-                        return FALSE;
-                break;
-        case PLIST_DATE:
-                if (!memcmp(&(val_a->timeval), &(val_b->timeval), sizeof(GTimeVal)))
-                        return TRUE;
-                else
-                        return FALSE;
-        default:
-                break;
-        }
-        return FALSE;
-}
 
 struct serialize_s {
         GPtrArray *objects;
@@ -655,7 +602,12 @@ static void write_real(GByteArray * bplist, double val)
         uint64_t size = get_real_bytes(*((uint64_t *) & val));  //cheat to know used space
         uint8_t *buff = (uint8_t *) malloc(sizeof(uint8_t) + size);
         buff[0] = BPLIST_REAL | Log2(size);
-        memcpy(buff + 1, &val, size);
+        if (size == sizeof(double)) {
+                memcpy(buff + 1, &val, size);
+        } else if (size == sizeof(float)) {
+                float tmpval = (float) val;
+                memcpy(buff + 1, &tmpval, size);
+        }
         byte_convert(buff + 1, size);
         g_byte_array_append(bplist, buff, sizeof(uint8_t) + size);
         free(buff);
diff --git a/src/plist.c b/src/plist.c
index 0e73c4b..e800b5c 100644
--- a/src/plist.c
+++ b/src/plist.c
@@ -414,3 +414,70 @@ void plist_get_date_val(plist_t node, int32_t * sec, int32_t * usec)
         *sec = val.tv_sec;
         *usec = val.tv_usec;
 }
+
+gboolean plist_data_compare(gconstpointer a, gconstpointer b)
+{
+        plist_data_t val_a = NULL;
+        plist_data_t val_b = NULL;
+
+        if (!a || !b)
+                return FALSE;
+
+        if (!((GNode *) a)->data || !((GNode *) b)->data)
+                return FALSE;
+
+        val_a = plist_get_data((plist_t) a);
+        val_b = plist_get_data((plist_t) b);
+
+        if (val_a->type != val_b->type)
+                return FALSE;
+
+        switch (val_a->type) {
+        case PLIST_BOOLEAN:
+        case PLIST_UINT:
+        case PLIST_REAL:
+                if (val_a->intval == val_b->intval)     //it is an union so this is sufficient
+                        return TRUE;
+                else
+                        return FALSE;
+
+        case PLIST_KEY:
+        case PLIST_STRING:
+                if (!strcmp(val_a->strval, val_b->strval))
+                        return TRUE;
+                else
+                        return FALSE;
+        case PLIST_UNICODE:
+                if (!memcmp(val_a->unicodeval, val_b->unicodeval, val_a->length))
+                        return TRUE;
+                else
+                        return FALSE;
+
+        case PLIST_DATA:
+                if (!memcmp(val_a->buff, val_b->buff, val_a->length))
+                        return TRUE;
+                else
+                        return FALSE;
+        case PLIST_ARRAY:
+        case PLIST_DICT:
+                //compare pointer
+                if (a == b)
+                        return TRUE;
+                else
+                        return FALSE;
+                break;
+        case PLIST_DATE:
+                if (!memcmp(&(val_a->timeval), &(val_b->timeval), sizeof(GTimeVal)))
+                        return TRUE;
+                else
+                        return FALSE;
+        default:
+                break;
+        }
+        return FALSE;
+}
+
+char plist_compare_node_value(plist_t node_l, plist_t node_r)
+{
+        return plist_data_compare( node_l , node_r );
+}
diff --git a/src/plist.h b/src/plist.h
index 4bb97e3..83c63bf 100644
--- a/src/plist.h
+++ b/src/plist.h
@@ -49,7 +49,7 @@ typedef struct plist_data_s *plist_data_t;
 plist_t plist_new_node(plist_data_t data);
 plist_data_t plist_get_data(const plist_t node);
 plist_data_t plist_new_plist_data();
-
+gboolean plist_data_compare(gconstpointer a, gconstpointer b);
 
 
 #endif
diff --git a/src/xplist.c b/src/xplist.c
index e281b4f..c0849b6 100644
--- a/src/xplist.c
+++ b/src/xplist.c
@@ -152,12 +152,12 @@ static void node_to_xml(GNode * node, gpointer xml_struct)
 
         case PLIST_UINT:
                 tag = XPLIST_INT;
-                val = g_strdup_printf("%lu", (long unsigned int) node_data->intval);
+                val = g_strdup_printf("%llu", node_data->intval);
                 break;
 
         case PLIST_REAL:
                 tag = XPLIST_REAL;
-                val = g_strdup_printf("%Lf", (long double) node_data->realval);
+                val = g_strdup_printf("%f", node_data->realval);
                 break;
 
         case PLIST_STRING:
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index b499018..40dc640 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -3,9 +3,12 @@
 
 SET(plist_test_SRC
         plist_test.c)
+SET(plist_cmp_SRC
+        plist_cmp.c)
 ADD_EXECUTABLE(plist_test ${plist_test_SRC})
 TARGET_LINK_LIBRARIES(plist_test plist)
-
+ADD_EXECUTABLE(plist_cmp ${plist_cmp_SRC})
+TARGET_LINK_LIBRARIES(plist_cmp plist)
 
 INCLUDE(CTest)
 
@@ -16,3 +19,9 @@ ADD_TEST(Large plist_test data/4.plist)
 ADD_TEST(Huge plist_test data/5.plist)
 ADD_TEST(Big_Array plist_test data/6.plist)
 
+ADD_TEST(EmptyCmp plist_cmp data/1.plist data/1.plist.out)
+ADD_TEST(SmallCmp plist_cmp data/2.plist data/2.plist.out)
+ADD_TEST(MediumCmp plist_cmp data/3.plist data/3.plist.out)
+ADD_TEST(LargeCmp plist_cmp data/4.plist data/4.plist.out)
+ADD_TEST(HugeCmp plist_cmp data/5.plist data/5.plist.out)
+ADD_TEST(Big_ArrayCmp plist_cmp data/6.plist data/6.plist.out)
diff --git a/test/data/2.plist b/test/data/2.plist
index 7586de0..169b822 100644
--- a/test/data/2.plist
+++ b/test/data/2.plist
@@ -23,7 +23,7 @@
         <key>Some Int</key>
         <integer>32434543632</integer>
         <key>Some Real</key>
-        <real>58654.3476563</real>
+        <real>58654.347656</real>
         <key>Some Date</key>
         <date>2009-02-12T22:23:00Z</date>
         <key>Some Data</key>
diff --git a/test/data/3.plist b/test/data/3.plist
index 30d5b3e..6d16191 100644
--- a/test/data/3.plist
+++ b/test/data/3.plist
@@ -23,7 +23,7 @@
         <key>Some Int</key>
         <integer>32434543632</integer>
         <key>Some Real</key>
-        <real>58654.3476563</real>
+        <real>58654.347656</real>
         <key>Some Date</key>
         <date>2009-02-12T22:23:00Z</date>
         <key>Some Data</key>
diff --git a/test/data/4.plist b/test/data/4.plist
index 87d6e4c..de7c488 100644
--- a/test/data/4.plist
+++ b/test/data/4.plist
@@ -23,7 +23,7 @@
         <key>Some Int</key>
         <integer>32434543632</integer>
         <key>Some Real</key>
-        <real>58654.3476563</real>
+        <real>58654.347656</real>
         <key>Some Date</key>
         <date>2009-02-12T22:23:00Z</date>
         <key>Some Data</key>
diff --git a/test/data/5.plist b/test/data/5.plist
index 388ff85..647c648 100644
--- a/test/data/5.plist
+++ b/test/data/5.plist
@@ -23,7 +23,7 @@
         <key>Some Int</key>
         <integer>32434543632</integer>
         <key>Some Real</key>
-        <real>58654.3476563</real>
+        <real>58654.347656</real>
         <key>Some Date</key>
         <date>2009-02-12T22:23:00Z</date>
         <key>Some Data</key>
diff --git a/test/plist_cmp.c b/test/plist_cmp.c
new file mode 100644
index 0000000..1a66119
--- /dev/null
+++ b/test/plist_cmp.c
@@ -0,0 +1,138 @@
+/*
+ * backup_test.c
+ * source libplist regression test
+ *
+ * Copyright (c) 2009 Jonathan Beck All Rights Reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA 
+ */
+
+
+#include "plist/plist.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+
+char compare_plist(plist_t node_l, plist_t node_r)
+{
+        plist_t cur_l = NULL;
+        plist_t cur_r = NULL;
+        int res = 1;
+
+        cur_l = plist_get_first_child(node_l);
+        cur_r = plist_get_first_child(node_r);
+
+        if ( (!cur_l && cur_r) || (cur_l && !cur_r))
+                return 0;
+
+        if ( !cur_l && !cur_r )
+                return plist_compare_node_value( node_l, node_r );
+
+        while(cur_l && cur_r && res) {
+
+                if (!(res = compare_plist(cur_l, cur_r)))
+                        return res;
+
+                cur_l = plist_get_next_sibling(cur_l);
+                cur_r = plist_get_next_sibling(cur_r);
+                if ( (!cur_l && cur_r) || (cur_l && !cur_r))
+                        return 0;
+        }
+
+        return res;
+}
+
+int main(int argc, char *argv[])
+{
+        FILE *iplist1 = NULL;
+        FILE *iplist2 = NULL;
+        plist_t root_node1 = NULL;
+        plist_t root_node2 = NULL;
+        char *plist_1 = NULL;
+        char *plist_2 = NULL;
+        int size_in1 = 0;
+        int size_in2 = 0;
+        char *file_in1 = NULL;
+        char *file_in2 = NULL;
+        int res = 0;
+
+        struct stat *filestats1 = (struct stat *) malloc(sizeof(struct stat));
+        struct stat *filestats2 = (struct stat *) malloc(sizeof(struct stat));
+
+        if (argc!= 3) {
+                printf("Wrong input\n");
+                return 1;
+        }
+
+        file_in1 = argv[1];
+        file_in2 = argv[2];
+
+        //read input file
+        iplist1 = fopen(file_in1, "rb");
+        iplist2 = fopen(file_in2, "rb");
+
+        if (!iplist1 || !iplist2) {
+                printf("File does not exists\n");
+                return 2;
+        }
+
+        stat(file_in1, filestats1);
+        stat(file_in2, filestats2);
+
+        size_in1 = filestats1->st_size;
+        size_in2 = filestats2->st_size;
+
+        plist_1 = (char *) malloc(sizeof(char) * (size_in1 + 1));
+        plist_2 = (char *) malloc(sizeof(char) * (size_in2 + 1));
+
+        fread(plist_1, sizeof(char), size_in1, iplist1);
+        fread(plist_2, sizeof(char), size_in2, iplist2);
+
+        fclose(iplist1);
+        fclose(iplist2);
+
+        if (memcmp(plist_1, "bplist00", 8) == 0)
+                plist_from_bin(plist_1, size_in1, &root_node1);
+        else
+                plist_from_xml(plist_1, size_in1, &root_node1);
+
+        if (memcmp(plist_2, "bplist00", 8) == 0)
+                plist_from_bin(plist_2, size_in2, &root_node2);
+        else
+                plist_from_xml(plist_2, size_in2, &root_node2);
+
+        if (!root_node1 || !root_node2) {
+                printf("PList parsing failed\n");
+                return 3;
+        }
+        else
+                printf("PList parsing succeeded\n");
+
+        res = compare_plist(root_node1, root_node2);
+
+
+        plist_free(root_node1);
+        plist_free(root_node2);
+
+        free(plist_1);
+        free(plist_2);
+        free(filestats1);
+        free(filestats2);
+
+        return !res;
+}
+