[app] Fixed gcc 4.8 warning "iteration 1u invokes undefined behavior"

app/stubs/libexpat.c

@@ -70,6 +70,16 @@
      (XML_Parser parser, const char* s, int len, int isFinal), \
      (parser, s, len, isFinal), XML_STATUS_ERROR)
 
+#define EXPAT_NUM_FUNCTIONS (sizeof(expat_names)/sizeof(expat_names[0]))
+#define EXPAT_NO_HANDLE     ((void*)-1)
+#define EXPAT_SO            "/usr/lib/libexpat.so.1"
+
+static const char* expat_names[] = {
+    "XML_ParserCreate",
+    #define FN_NAME(type,name,params,args,fail) #name,
+    EXPAT_FUNCTIONS(FN_NAME)
+};
+
 static struct {
     void* handle;
     union {
@@ -78,20 +88,10 @@ static struct {
             #define FN_POINTER(type,name,params,args,fail) type (* name) params;
             EXPAT_FUNCTIONS(FN_POINTER)
         } expat;
-        void* entry[1];
+        void* entry[EXPAT_NUM_FUNCTIONS];
     } fn;
 } expat;
 
-static const char* expat_names[] = {
-    "XML_ParserCreate",
-    #define FN_NAME(type,name,params,args,fail) #name,
-    EXPAT_FUNCTIONS(FN_NAME)
-};
-
-#define EXPAT_NUM_FUNCTIONS (sizeof(expat_names)/sizeof(expat_names[0]))
-#define EXPAT_NO_HANDLE     ((void*)-1)
-#define EXPAT_SO            "/usr/lib/libexpat.so.1"
-
 /* XML_ParserCreate() is the special function where we load the library */
 XML_Parser
 XML_ParserCreate(

app/stubs/libmagic.c

@@ -43,6 +43,16 @@
     f(const char*, magic_file, \
      (magic_t cookie, const char* path), (cookie, path), NULL)
 
+#define MAGIC_NUM_FUNCTIONS (sizeof(magic_names)/sizeof(magic_names[0]))
+#define MAGIC_NO_HANDLE     ((void*)-1)
+#define MAGIC_SO            "/usr/lib/libmagic.so.1"
+
+static const char* magic_names[] = {
+    "magic_open",
+    #define FN_NAME(type,name,params,args,fail) #name,
+    MAGIC_FUNCTIONS(FN_NAME)
+};
+
 static struct {
     void* handle;
     union {
@@ -51,20 +61,10 @@ static struct {
             #define FN_POINTER(type,name,params,args,fail) type (* name) params;
             MAGIC_FUNCTIONS(FN_POINTER)
         } magic;
-        void* entry[1];
+        void* entry[MAGIC_NUM_FUNCTIONS];
     } fn;
 } magic;
 
-static const char* magic_names[] = {
-    "magic_open",
-    #define FN_NAME(type,name,params,args,fail) #name,
-    MAGIC_FUNCTIONS(FN_NAME)
-};
-
-#define MAGIC_NUM_FUNCTIONS (sizeof(magic_names)/sizeof(magic_names[0]))
-#define MAGIC_NO_HANDLE     ((void*)-1)
-#define MAGIC_SO            "/usr/lib/libmagic.so.1"
-
 /* magic_open() is the special function where we load the library */
 magic_t magic_open(int flags)
 {

app/stubs/libudev.c

@@ -76,6 +76,16 @@
      (struct udev_device* dev), \
      (dev))
 
+#define LIBUDEV_NUM_FUNCTIONS (sizeof(libudev_names)/sizeof(libudev_names[0]))
+#define LIBUDEV_NO_HANDLE     ((void*)-1)
+#define LIBUDEV_SO            "/usr/lib/libudev.so.1"
+
+static const char* libudev_names[] = {
+    "udev_new",
+    #define FN_NAME(ret,name,params,args) #name,
+    LIBUDEV_FUNCTIONS(FN_NAME)
+};
+
 static struct {
     void* handle;
     union {
@@ -84,20 +94,10 @@ static struct {
             #define FN_POINTER(ret,name,params,args) ret (* name) params;
             LIBUDEV_FUNCTIONS(FN_POINTER)
         } udev;
-        void* entry[1];
+        void* entry[LIBUDEV_NUM_FUNCTIONS];
     } fn;
 } libudev;
 
-static const char* libudev_names[] = {
-    "udev_new",
-    #define FN_NAME(ret,name,params,args) #name,
-    LIBUDEV_FUNCTIONS(FN_NAME)
-};
-
-#define LIBUDEV_NUM_FUNCTIONS (sizeof(libudev_names)/sizeof(libudev_names[0]))
-#define LIBUDEV_NO_HANDLE     ((void*)-1)
-#define LIBUDEV_SO            "/usr/lib/libudev.so.1"
-
 /* udev_new() is the special function where we load the library */
 struct udev*
 udev_new()