[PATCH] Fix some C++ build issues.

decompress/zip_support.c

@@ -137,7 +137,7 @@ int read_zip_file(const char * archive_path,
             *buf = malloc(file_info.uncompressed_size + 1 );
 
             bytes_read = unzReadCurrentFile( zipfile, *buf, file_info.uncompressed_size );
-            if (bytes_read != file_info.uncompressed_size)
+            if (bytes_read != (ssize_t)file_info.uncompressed_size)
             {
                RARCH_ERR(
                   "We tried to read %d bytes, but only got %d of file %s in zip %s.\n",

frontend/frontend.c

@@ -177,7 +177,8 @@ bool main_load_content(int argc, char **argv, args_type() args,
       process_args_t process_args)
 {
    bool retval = true;
-   int i, ret = 0, rarch_argc = 0;
+   int ret = 0, rarch_argc = 0;
+   unsigned i;
    char *rarch_argv[MAX_ARGS] = {NULL};
    char *argv_copy [MAX_ARGS] = {NULL};
    char **rarch_argv_ptr = (char**)argv;

gfx/shader/shader_glsl.c

@@ -1121,18 +1121,18 @@ static bool gl_glsl_set_mvp(void *data, const math_matrix_4x4 *mat)
    (void)data;
 
    if (!glsl || !glsl->glsl_shader->modern)
-      goto fallback;
+   {
+#ifndef NO_GL_FF_MATRIX
+      gl_ff_matrix(mat);
+#endif
+      return false;
+   }
 
    int loc = glsl->gl_uniforms[glsl->glsl_active_index].mvp;
    if (loc >= 0)
       glUniformMatrix4fv(loc, 1, GL_FALSE, mat->data);
 
    return true;
-fallback:
-#ifndef NO_GL_FF_MATRIX
-   gl_ff_matrix(mat);
-#endif
-   return false;
 }
 
 static bool gl_glsl_set_coords(const void *data)
@@ -1141,7 +1141,12 @@ static bool gl_glsl_set_coords(const void *data)
    glsl_shader_data_t *glsl = (glsl_shader_data_t*)driver.video_shader_data;
 
    if (!glsl || !glsl->glsl_shader->modern || !coords)
-      goto fallback;
+   {
+#ifndef NO_GL_FF_VERTEX
+      gl_ff_vertex(coords);
+#endif
+      return false;
+   }
 
    /* Avoid hitting malloc on every single regular quad draw. */
    GLfloat short_buffer[4 * (2 + 2 + 4 + 2)];
@@ -1151,7 +1156,12 @@ static bool gl_glsl_set_coords(const void *data)
             (2 + 2 + 4 + 2), sizeof(*buffer));
 
    if (!buffer)
-      goto fallback;
+   {
+#ifndef NO_GL_FF_VERTEX
+      gl_ff_vertex(coords);
+#endif
+      return false;
+   }
 
    size_t size = 0;
 
@@ -1226,11 +1236,6 @@ static bool gl_glsl_set_coords(const void *data)
    if (buffer != short_buffer)
       free(buffer);
    return true;
-fallback:
-#ifndef NO_GL_FF_VERTEX
-   gl_ff_vertex(coords);
-#endif
-   return false;
 }
 
 static void gl_glsl_use(void *data, unsigned idx)

input/keyboard_event_xkb.c

@@ -41,7 +41,7 @@ void handle_xkb(
          mod |= xkb_state_mod_index_is_active(
                xkb_state,
                *map_idx,
-               (XKB_STATE_MODS_EFFECTIVE) > 0) ? *map_bit : 0;
+               (enum xkb_state_component)((XKB_STATE_MODS_EFFECTIVE) > 0)) ? *map_bit : 0;
    }
 
    input_keyboard_event(value, input_translate_keysym_to_rk(code),