Fix compile errors warnings

c_src/device/cairo/cairo_gtk.c

@@ -1,7 +1,6 @@
 #include <cairo.h>
 #include <errno.h>
 #include <fcntl.h>
-#include <linux/fb.h>
 #include <stdlib.h>
 #include <sys/ioctl.h>
 #include <sys/mman.h>

c_src/device/cairo/cairo_script_ops.c

@@ -1,4 +1,5 @@
 #include <cairo.h>
+#define _GNU_SOURCE
 #include <math.h>
 
 #include "cairo_ctx.h"
@@ -258,7 +259,7 @@ void script_ops_draw_text(void* v_ctx,
   cairo_text_extents_t text_extents;
   cairo_scaled_font_glyph_extents(scaled_font, glyphs, glyph_count, &text_extents);
 
-  float align_offset;
+  float align_offset = 0;
   switch (p_ctx->text_align) {
   case TEXT_ALIGN_LEFT:
     align_offset = 0;
@@ -271,7 +272,7 @@ void script_ops_draw_text(void* v_ctx,
     break;
   }
 
-  float base_offset;
+  float base_offset = 0;
   switch (p_ctx->text_base) {
   case TEXT_BASE_TOP:
     base_offset = font_extents.ascent;
@@ -345,7 +346,7 @@ void script_ops_draw_sprites(void* v_ctx,
 
   image_pattern_data_t* image_data = find_image_pattern(p_ctx, p_image->image_id);
 
-  for (int i = 0; i < count; i++) {
+  for (uint32_t i = 0; i < count; i++) {
     draw_sprite(p_ctx, image_data->surface, sprites[i]);
   }
 }

c_src/font/font.c

@@ -52,7 +52,7 @@ font_t* get_font(sid_t id)
 }
 
 //---------------------------------------------------------
-void put_font(int* p_msg_length, void* v_ctx)
+void put_font(uint32_t* p_msg_length, void* v_ctx)
 {
   // read in the id size, which is in the first four bytes
   uint32_t id_length;

c_src/font/font.h

@@ -10,6 +10,6 @@
 #include "font_ops.h"
 
 void init_fonts(void);
-void put_font(int* p_msg_length, void* v_ctx);
+void put_font(uint32_t* p_msg_length, void* v_ctx);
 font_t* get_font(sid_t id);
 

c_src/image/image.c

@@ -10,9 +10,9 @@
 #include "common.h"
 #include "comms.h"
 #include "image.h"
+#include "image_ops.h"
 #include "scenic_types.h"
 #include "utils.h"
-#include "image_ops.h"
 
 #define STB_IMAGE_IMPLEMENTATION
 #include "stb_image.h"
@@ -80,7 +80,7 @@ void reset_images(void* v_ctx)
 int read_pixels(void* p_pixels,
                 uint32_t width, uint32_t height,
                 image_format_t format_in,
-                int* p_msg_length)
+                uint32_t* p_msg_length)
 {
   // read incoming data into a temporary buffer
   int buffer_size = *p_msg_length;
@@ -145,6 +145,8 @@ int read_pixels(void* p_pixels,
   case IMAGE_FORMAT_RGBA:
     memcpy(p_pixels, p_buffer, pixel_count * 4);
     break;
+  default:
+    break;
   }
 
   // clean up
@@ -154,7 +156,7 @@ int read_pixels(void* p_pixels,
 }
 
 //---------------------------------------------------------
-void put_image(int* p_msg_length, void* v_ctx)
+void put_image(uint32_t* p_msg_length, void* v_ctx)
 {
   // read in the fixed size data
   uint32_t id_length;

c_src/image/image.h

@@ -25,10 +25,9 @@ typedef enum {
   IMAGE_FORMAT_GRAY_ALPHA = 2,
   IMAGE_FORMAT_RGB = 3,
   IMAGE_FORMAT_RGBA = 4,
-  IMAGE_FORMAT_SIZE = 0xffffffff, // ensure enum is 32 bits wide
 } image_format_t;
 
 void init_images(void);
-void put_image(int* p_msg_length, void* v_ctx);
+void put_image(uint32_t* p_msg_length, void* v_ctx);
 void reset_images(void* v_ctx);
 image_t* get_image(sid_t id);

c_src/scenic/comms.c

@@ -45,20 +45,20 @@ extern device_info_t g_device_info;
 
 //---------------------------------------------------------
 // the length indicator from erlang is always big-endian
-int write_cmd(byte* buf, unsigned int len)
+int write_cmd(uint8_t* buf, unsigned int len)
 {
   int written = 0;
 
   uint32_t cmd_len = len;
   cmd_len = hton_ui32(cmd_len);
-  write_exact((byte*) &cmd_len, sizeof(uint32_t));
+  write_exact((uint8_t*) &cmd_len, sizeof(uint32_t));
   written = write_exact(buf, len);
 
   return written;
 }
 
 //---------------------------------------------------------
-bool read_bytes_down(void* p_buff, int bytes_to_read, int* p_bytes_to_remaining)
+bool read_bytes_down(void* p_buff, int bytes_to_read, uint32_t* p_bytes_to_remaining)
 {
   if (p_bytes_to_remaining <= 0)
     return false;
@@ -89,9 +89,9 @@ void logv(uint32_t cmd, const char* msg, va_list args)
   uint32_t msg_len = vasprintf(&output, msg, args);
   uint32_t cmd_len = ntoh_ui32(msg_len + sizeof(uint32_t));
 
-  write_exact((byte*) &cmd_len, sizeof(uint32_t));
-  write_exact((byte*) &cmd, sizeof(uint32_t));
-  write_exact((byte*) output, msg_len);
+  write_exact((uint8_t*) &cmd_len, sizeof(uint32_t));
+  write_exact((uint8_t*) &cmd, sizeof(uint32_t));
+  write_exact((uint8_t*) output, msg_len);
   free(output);
 }
 
@@ -163,9 +163,9 @@ void send_write(const char* msg)
 
   cmd_len = ntoh_ui32(cmd_len);
 
-  write_exact((byte*) &cmd_len, sizeof(uint32_t));
-  write_exact((byte*) &cmd, sizeof(uint32_t));
-  write_exact((byte*) msg, msg_len);
+  write_exact((uint8_t*) &cmd_len, sizeof(uint32_t));
+  write_exact((uint8_t*) &cmd, sizeof(uint32_t));
+  write_exact((uint8_t*) msg, msg_len);
 }
 
 //---------------------------------------------------------
@@ -176,8 +176,8 @@ void send_inspect(void* data, int length)
 
   ntoh_ui32(cmd_len);
 
-  write_exact((byte*) &cmd_len, sizeof(uint32_t));
-  write_exact((byte*) &cmd, sizeof(uint32_t));
+  write_exact((uint8_t*) &cmd_len, sizeof(uint32_t));
+  write_exact((uint8_t*) &cmd, sizeof(uint32_t));
   write_exact(data, length);
 }
 
@@ -190,9 +190,9 @@ void send_static_texture_miss(const char* key)
 
   ntoh_ui32(cmd_len);
 
-  write_exact((byte*) &cmd_len, sizeof(uint32_t));
-  write_exact((byte*) &cmd, sizeof(uint32_t));
-  write_exact((byte*) key, msg_len);
+  write_exact((uint8_t*) &cmd_len, sizeof(uint32_t));
+  write_exact((uint8_t*) &cmd, sizeof(uint32_t));
+  write_exact((uint8_t*) key, msg_len);
 }
 
 //---------------------------------------------------------
@@ -204,9 +204,9 @@ void send_dynamic_texture_miss(const char* key)
 
   ntoh_ui32(cmd_len);
 
-  write_exact((byte*) &cmd_len, sizeof(uint32_t));
-  write_exact((byte*) &cmd, sizeof(uint32_t));
-  write_exact((byte*) key, msg_len);
+  write_exact((uint8_t*) &cmd_len, sizeof(uint32_t));
+  write_exact((uint8_t*) &cmd, sizeof(uint32_t));
+  write_exact((uint8_t*) key, msg_len);
 }
 
 //---------------------------------------------------------
@@ -218,9 +218,9 @@ void send_font_miss(const char* key)
 
   ntoh_ui32(cmd_len);
 
-  write_exact((byte*) &cmd_len, sizeof(uint32_t));
-  write_exact((byte*) &cmd, sizeof(uint32_t));
-  write_exact((byte*) key, msg_len);
+  write_exact((uint8_t*) &cmd_len, sizeof(uint32_t));
+  write_exact((uint8_t*) &cmd, sizeof(uint32_t));
+  write_exact((uint8_t*) key, msg_len);
 }
 
 //---------------------------------------------------------
@@ -234,7 +234,7 @@ PACK(typedef struct msg_reshape_t
 void send_reshape( int window_width, int window_height )
 {
   msg_reshape_t msg = { MSG_OUT_RESHAPE, window_width, window_height };
-  write_cmd((byte*) &msg, sizeof(msg_reshape_t));
+  write_cmd((uint8_t*) &msg, sizeof(msg_reshape_t));
 }
 
 //---------------------------------------------------------
@@ -251,7 +251,7 @@ PACK(typedef struct msg_key_t
 void send_key(keymap_t keymap, int key, int scancode, int action, int mods)
 {
   msg_key_t msg = { MSG_OUT_KEY, keymap, key, scancode, action, mods };
-  write_cmd((byte*) &msg, sizeof(msg_key_t));
+  write_cmd((uint8_t*) &msg, sizeof(msg_key_t));
 }
 
 //---------------------------------------------------------
@@ -266,7 +266,7 @@ PACK(typedef struct msg_codepoint_t
 void send_codepoint(keymap_t keymap, unsigned int codepoint, int mods)
 {
   msg_codepoint_t msg = { MSG_OUT_CODEPOINT, keymap, codepoint, mods };
-  write_cmd((byte*) &msg, sizeof(msg_codepoint_t));
+  write_cmd((uint8_t*) &msg, sizeof(msg_codepoint_t));
 }
 
 //---------------------------------------------------------
@@ -280,7 +280,7 @@ PACK(typedef struct msg_cursor_pos_t
 void send_cursor_pos(float xpos, float ypos)
 {
   msg_cursor_pos_t msg = { MSG_OUT_CURSOR_POS, xpos, ypos };
-  write_cmd((byte*) &msg, sizeof(msg_cursor_pos_t));
+  write_cmd((uint8_t*) &msg, sizeof(msg_cursor_pos_t));
 }
 
 //---------------------------------------------------------
@@ -306,7 +306,7 @@ void send_mouse_button(keymap_t keymap, int button, int action, int mods, float
     xpos,
     ypos
   };
-  write_cmd((byte*) &msg, sizeof(msg_mouse_button_t));
+  write_cmd((uint8_t*) &msg, sizeof(msg_mouse_button_t));
 }
 
 //---------------------------------------------------------
@@ -322,7 +322,7 @@ PACK(typedef struct msg_scroll_t
 void send_scroll(float xoffset, float yoffset, float xpos, float ypos)
 {
   msg_scroll_t msg = { MSG_OUT_MOUSE_SCROLL, xoffset, yoffset, xpos, ypos };
-  write_cmd((byte*) &msg, sizeof(msg_scroll_t));
+  write_cmd((uint8_t*) &msg, sizeof(msg_scroll_t));
 }
 
 //---------------------------------------------------------
@@ -337,7 +337,7 @@ PACK(typedef struct msg_cursor_enter_t
 void send_cursor_enter(int entered, float xpos, float ypos)
 {
   msg_cursor_enter_t msg = { MSG_OUT_CURSOR_ENTER, entered, xpos, ypos };
-  write_cmd((byte*) &msg, sizeof(msg_cursor_enter_t));
+  write_cmd((uint8_t*) &msg, sizeof(msg_cursor_enter_t));
 }
 
 //---------------------------------------------------------
@@ -350,7 +350,7 @@ PACK(typedef struct msg_close_t
 void send_close( int reason )
 {
   msg_close_t msg = { MSG_OUT_CLOSE, reason };
-  write_cmd((byte*) &msg, sizeof(msg_close_t));
+  write_cmd((uint8_t*) &msg, sizeof(msg_close_t));
 }
 
 //---------------------------------------------------------
@@ -363,14 +363,14 @@ PACK(typedef struct img_miss_t
 void send_image_miss( unsigned int img_id )
 {
   img_miss_t msg = { MSG_OUT_IMG_MISS, img_id };
-  write_cmd((byte*) &msg, sizeof(img_miss_t));
+  write_cmd((uint8_t*) &msg, sizeof(img_miss_t));
 }
 
 //---------------------------------------------------------
 void send_ready()
 {
   uint32_t msg_id = MSG_OUT_READY;
-  write_cmd((byte*) &msg_id, sizeof(msg_id));
+  write_cmd((uint8_t*) &msg_id, sizeof(msg_id));
 }
 
 //=============================================================================
@@ -420,23 +420,23 @@ void render(driver_data_t* p_data)
 }
 
 //---------------------------------------------------------
-void set_global_tx(int* p_msg_length, driver_data_t* p_data)
+void set_global_tx(uint32_t* p_msg_length, driver_data_t* p_data)
 {
   for (int i = 0; i < 6; i++) {
     read_bytes_down(&p_data->global_tx[i], sizeof(float), p_msg_length);
   }
 }
 
 //---------------------------------------------------------
-void set_cursor_tx(int* p_msg_length, driver_data_t* p_data)
+void set_cursor_tx(uint32_t* p_msg_length, driver_data_t* p_data)
 {
   for (int i = 0; i < 6; i++) {
     read_bytes_down(&p_data->cursor_tx[i], sizeof(float), p_msg_length);
   }
 }
 
 //---------------------------------------------------------
-void update_cursor(int* p_msg_length, driver_data_t* p_data)
+void update_cursor(uint32_t* p_msg_length, driver_data_t* p_data)
 {
   read_bytes_down(&p_data->f_show_cursor, sizeof(uint32_t), p_msg_length);
   for (int i = 0; i < 2; i++) {
@@ -445,9 +445,9 @@ void update_cursor(int* p_msg_length, driver_data_t* p_data)
 }
 
 //---------------------------------------------------------
-void clear_color(int* p_msg_length)
+void clear_color(uint32_t* p_msg_length)
 {
-  byte r, g, b, a;
+  uint8_t r, g, b, a;
   read_bytes_down(&r, 1, p_msg_length);
   read_bytes_down(&g, 1, p_msg_length);
   read_bytes_down(&b, 1, p_msg_length);

c_src/scenic/comms.h

@@ -87,24 +87,20 @@ typedef enum {
   MSG_OUT_WARN = 0XA1,
   MSG_OUT_ERROR = 0XA2,
   MSG_OUT_DEBUG = 0XA3,
-
-  _MSG_OUT_SIZE_ = 0XFFFFFFFF,
 } msg_out_t;
 
 typedef enum {
   KEYMAP_GLFW = 0x01,
   KEYMAP_GDK = 0x02,
-
-  _KEYMAP_SIZE_ = 0xFFFFFFFF,
 } keymap_t;
 
-int read_exact(byte* buf, int len);
-int write_exact(byte* buf, int len);
+int read_exact(uint8_t* buf, int len);
+int write_exact(uint8_t* buf, int len);
 int read_msg_length(struct timeval * ptv);
 bool isCallerDown();
 
 bool read_bytes_down(void* p_buff, int bytes_to_read,
-                     int* p_bytes_to_remaining);
+                     uint32_t* p_bytes_to_remaining);
 
 // basic events to send up to the caller
 void send_puts(const char* msg, ...);
@@ -124,10 +120,10 @@ void log_info(const char* msg, ...);
 void log_warn(const char* msg, ...);
 void log_error(const char* msg, ...);
 
-void set_global_tx(int* p_msg_length, driver_data_t* p_data);
-void set_cursor_tx(int* p_msg_length, driver_data_t* p_data);
-void update_cursor(int* p_msg_length, driver_data_t* p_data);
-void clear_color(int* p_msg_length);
+void set_global_tx(uint32_t* p_msg_length, driver_data_t* p_data);
+void set_cursor_tx(uint32_t* p_msg_length, driver_data_t* p_data);
+void update_cursor(uint32_t* p_msg_length, driver_data_t* p_data);
+void clear_color(uint32_t* p_msg_length);
 void receive_crash();
 void receive_quit(driver_data_t* p_data);
 void render(driver_data_t* p_data);

c_src/scenic/scenic_ops.c

@@ -110,7 +110,7 @@ void scenic_ops_crash()
   receive_crash();
 }
 
-void dispatch_scenic_ops(int msg_length, driver_data_t* p_data)
+void dispatch_scenic_ops(uint32_t msg_length, driver_data_t* p_data)
 {
   scenic_op_t op;
   read_bytes_down(&op, sizeof(uint32_t), &msg_length);

c_src/scenic/scenic_ops.h

@@ -54,4 +54,4 @@ void scenic_ops_put_font(uint32_t* p_msg_length, driver_data_t* p_data);
 void scenic_ops_put_image(uint32_t* p_msg_length, driver_data_t* p_data);
 void scenic_ops_crash();
 
-void dispatch_scenic_ops(int msg_length, driver_data_t* p_data);
+void dispatch_scenic_ops(uint32_t msg_length, driver_data_t* p_data);