Warning cleanup

- ignoring const
- declarations after statements
- some C files didnt include own headers (risking them getting out of sync)

Closes #1064

src/common/cfgfiles.c

@@ -1311,7 +1311,7 @@ cmd_set (struct session *sess, char *tbuf, char *word[], char *word_eol[])
 }
 
 int
-hexchat_open_file (char *file, int flags, int mode, int xof_flags)
+hexchat_open_file (const char *file, int flags, int mode, int xof_flags)
 {
 	char *buf;
 	int fd;

src/common/cfgfiles.h

@@ -48,7 +48,7 @@ void list_loadconf (char *file, GSList ** list, char *defaultconf);
 int list_delentry (GSList ** list, char *name);
 void list_addentry (GSList ** list, char *cmd, char *name);
 int cmd_set (session *sess, char *tbuf, char *word[], char *word_eol[]);
-int hexchat_open_file (char *file, int flags, int mode, int xof_flags);
+int hexchat_open_file (const char *file, int flags, int mode, int xof_flags);
 FILE *hexchat_fopen_file (const char *file, const char *mode, int xof_flags);
 
 #define XOF_DOMODE 1

src/common/dbus/dbus-plugin.c

@@ -26,6 +26,7 @@
 #include <dbus/dbus-glib-lowlevel.h>
 #include <glib/gi18n.h>
 #include "hexchat-plugin.h"
+#include "dbus-plugin.h"
 
 #define PNAME _("remote access")
 #define PDESC _("plugin for remote access using DBUS")

src/common/dbus/example.c

@@ -33,7 +33,7 @@ guint command_id;
 guint server_id;
 
 static void
-write_error (char *message,
+write_error (const char *message,
 	     GError **error)
 {
 	if (error == NULL || *error == NULL) {

src/common/make-te.c

@@ -42,7 +42,7 @@
 #include <string.h>
 #include <stdlib.h>
 
-int main()
+int main(void)
 {
 	char name[512];
 	char num[512];

src/common/url.c

@@ -429,7 +429,7 @@ regex_match (const GRegex *re, const char *word, int *start, int *end)
 #define OPT_PORT "(" PORT ")?"
 
 static GRegex *
-make_re (char *grist)
+make_re (const char *grist)
 {
 	GRegex *ret;
 	GError *err = NULL;

src/common/util.c

@@ -1526,7 +1526,7 @@ canonalize_key (char *key)
 }
 
 int
-portable_mode ()
+portable_mode (void)
 {
 #ifdef WIN32
 	if ((_access( "portable-mode", 0 )) != -1)
@@ -1543,7 +1543,7 @@ portable_mode ()
 }
 
 int
-unity_mode ()
+unity_mode (void)
 {
 #ifdef G_OS_UNIX
 	const char *env = g_getenv("XDG_CURRENT_DESKTOP");

src/common/util.h

@@ -73,8 +73,8 @@ guint32 str_hash (const char *key);
 guint32 str_ihash (const unsigned char *key);
 void safe_strcpy (char *dest, const char *src, int bytes_left);
 void canonalize_key (char *key);
-int portable_mode ();
-int unity_mode ();
+int portable_mode (void);
+int unity_mode (void);
 char *encode_sasl_pass_plain (char *user, char *pass);
 char *encode_sasl_pass_blowfish (char *user, char *pass, char *data);
 char *encode_sasl_pass_aes (char *user, char *pass, char *data);

src/fe-gtk/chanview-tabs.c

@@ -62,12 +62,13 @@ cv_tabs_sizerequest (GtkWidget *viewport, GtkRequisition *requisition, chanview
 static void
 cv_tabs_sizealloc (GtkWidget *widget, GtkAllocation *allocation, chanview *cv)
 {
+	GdkWindow *parent_win;
 	GtkAdjustment *adj;
 	GtkWidget *inner;
 	gint viewport_size;
 
 	inner = ((tabview *)cv)->inner;
-	GdkWindow *parent_win = gtk_widget_get_window (gtk_widget_get_parent (inner));
+	parent_win = gtk_widget_get_window (gtk_widget_get_parent (inner));
 
 	if (cv->vertical)
 	{

src/fe-gtk/plugin-tray.c

@@ -186,9 +186,10 @@ fe_tray_set_balloon (const char *title, const char *text)
 
 	if (!notify_is_initted())
 	{
+		GList* server_caps;
 		notify_init(PACKAGE_NAME);
 
-		GList* server_caps = notify_get_server_caps ();
+		server_caps = notify_get_server_caps ();
 		if (g_list_find_custom (server_caps, "body-markup", (GCompareFunc)strcmp))
 		{
 			notify_text_strip_flags |= STRIP_ESCMARKUP;

src/fe-gtk/xtext.c

@@ -3257,7 +3257,7 @@ gtk_xtext_render_stamp (GtkXText * xtext, textentry * ent,
 {
 	textentry tmp_ent;
 	int jo, ji, hs;
-	int xsize, y;
+	int xsize, y, emphasis;
 
 	/* trashing ent here, so make a backup first */
 	memcpy (&tmp_ent, ent, sizeof (tmp_ent));
@@ -3267,7 +3267,7 @@ gtk_xtext_render_stamp (GtkXText * xtext, textentry * ent,
 	xtext->jump_out_offset = 0;
 	xtext->jump_in_offset = 0;
 	xtext->hilight_start = 0xffff;	/* temp disable */
-	int emphasis = 0;
+	emphasis = 0;
 
 	if (xtext->mark_stamp)
 	{