Fix compiler warnings

1 files changed, 10 insertions, 10 deletions

diff --git a/src/main.c b/src/main.c
index b8731b8..1596ba4 100644
--- a/src/main.c
+++ b/src/main.c
@@ -157,7 +157,7 @@ draw_line(int x0, int y0, int x1, int y1, Color clr) {
     }
 
     // Draw the line with Bresenham's algorithm.
-    for (size_t i = 0; i <= n_steps; ++i) {
+    for (int i = 0; i <= n_steps; ++i) {
         FRAMEBUFFER[y][x] = clr;
         *a += a_step;
         diff += diff_inc_a;
@@ -182,12 +182,12 @@ draw_rect(int x0, int y0, int x1, int y1, Color clr) {
     }
     int dx = x1 - x0;
     int dy = y1 - y0;
-    for (size_t i = 0; i <= dx; ++i) {
+    for (int i = 0; i <= dx; ++i) {
         int x = x0 + i;
         FRAMEBUFFER[y0][x] = clr;
         FRAMEBUFFER[y1][x] = clr;
     }
-    for (size_t j = 0; j <= dy; ++j) {
+    for (int j = 0; j <= dy; ++j) {
         int y = y0 + j;
         FRAMEBUFFER[y][x0] = clr;
         FRAMEBUFFER[y][x1] = clr;
@@ -208,8 +208,8 @@ draw_fill_rect(int x0, int y0, int x1, int y1, Color clr) {
     }
     int dx = x1 - x0;
     int dy = y1 - y0;
-    for (size_t i = 0; i <= dx; ++i) {
-        for (size_t j = 0; j <= dy; ++j) {
+    for (int i = 0; i <= dx; ++i) {
+        for (int j = 0; j <= dy; ++j) {
             int x = x0 + i;
             int y = y0 + j;
             FRAMEBUFFER[y][x] = clr;
@@ -231,14 +231,14 @@ int main(void) {
     set_display_mode(DISP_MODE_3 | DISP_BG2);
 
     // Draw a grid pattern.
-    for (size_t j = 30; j < SCREEN_HEIGHT - 30; j += 8) {
-        for (size_t i = 30; i < 50; i += 8) {
+    for (int j = 30; j < SCREEN_HEIGHT - 30; j += 8) {
+        for (int i = 30; i < 50; i += 8) {
             draw_rect(i, j, 0 + i + 8, j + 8, COLOR_RED);
         }
     }
 
     // Draw the text line.
-    for (size_t i = 0; i < SCREEN_WIDTH; i += 8) {
+    for (int i = 0; i < SCREEN_WIDTH; i += 8) {
         draw_fill_rect(i, 7, 0 + i + 7, 16, COLOR_RED);
     }
     put_text(8, 8, COLOR_BLACK, "Testing other patterns");
@@ -246,14 +246,14 @@ int main(void) {
     // Test line drawings.
     draw_fill_rect(69, 29, SCREEN_WIDTH - 69, SCREEN_HEIGHT - 29, COLOR_BLACK);
     int step = 10;
-    for (size_t k = 0; k < (SCREEN_WIDTH - 70 - 70) / step; k++) {
+    for (int k = 0; k < (SCREEN_WIDTH - 70 - 70) / step; k++) {
         int x0 = 70;
         int y0 = 30 + k * step;
         int x1 = x0 + k * step + step;
         int y1 = SCREEN_HEIGHT - 30;
         draw_line(x0, y0, x1, y1, COLOR_BLUE);
     }
-    for (size_t k = 0; k < (SCREEN_WIDTH - 70 - 70) / step; k++) {
+    for (int k = 0; k < (SCREEN_WIDTH - 70 - 70) / step; k++) {
         int x0 = 70 + k * step;
         int y0 = 30;
         int x1 = SCREEN_WIDTH - 70;