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fix compiler warnings and release mode u32 overflow

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asrael 2025-11-10 09:59:42 -06:00
parent 9550d34e65
commit 704b14b2a0
3 changed files with 12 additions and 7 deletions
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5
src/pxl8_io.h
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@ -1,6 +1,7 @@
#pragma once
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include "pxl8_types.h"
@ -60,7 +61,9 @@ static inline i32 pxl8_read_i32(pxl8_stream* stream) {
static inline f32 pxl8_read_f32(pxl8_stream* stream) {
u32 val = pxl8_read_u32(stream);
return *(f32*)&val;
f32 result;
memcpy(&result, &val, sizeof(f32));
return result;
}
static inline void pxl8_read_bytes(pxl8_stream* stream, void* dest, u32 count) {

4
src/pxl8_procgen.c
View file

@ -467,12 +467,12 @@ void pxl8_procgen_tex(u8* buffer, const pxl8_procgen_tex_params* params) {
i32 ix = (i32)((f32)x * params->scale);
i32 iy = (i32)((f32)y * params->scale);
u32 block_hash = (ix * 374761393 + iy * 668265263) ^ params->seed;
u32 block_hash = ((u32)ix * 374761393u + (u32)iy * 668265263u) ^ params->seed;
block_hash ^= block_hash >> 13;
block_hash ^= block_hash << 17;
block_hash ^= block_hash >> 5;
u32 pixel_hash = (x * 1597334677 + y * 3812015801) ^ params->seed;
u32 pixel_hash = ((u32)x * 1597334677u + (u32)y * 3812015801u) ^ params->seed;
pixel_hash ^= pixel_hash >> 13;
pixel_hash ^= pixel_hash << 17;
pixel_hash ^= pixel_hash >> 5;

10
src/pxl8_script.c
View file

@ -18,7 +18,7 @@ struct pxl8_script {
pxl8_gfx* gfx;
pxl8_input_state* input;
pxl8_ui* ui;
char last_error[1024];
char last_error[2048];
char main_path[256];
char watch_dir[256];
time_t latest_mod_time;
@ -56,7 +56,7 @@ static void pxl8_script_repl_promote_locals(const char* input, char* output, siz
if (!in_string && input[i] == '(' &&
strncmp(&input[i], "(local ", 7) == 0) {
strncpy(&output[j], "(global ", 8);
memcpy(&output[j], "(global ", 8);
j += 8;
i += 7;
continue;
@ -847,8 +847,10 @@ static void* pxl8_script_repl_stdin_thread(void* user_data) {
u32 next_tail = (repl->tail + 1) % PXL8_REPL_RING_BUFFER_SIZE;
if (next_tail != repl->head) {
strncpy(repl->ring_buffer[repl->tail].buffer, repl->accumulator, PXL8_MAX_REPL_COMMAND_SIZE - 1);
repl->ring_buffer[repl->tail].buffer[PXL8_MAX_REPL_COMMAND_SIZE - 1] = '\0';
size_t len = strlen(repl->accumulator);
size_t copy_len = len < PXL8_MAX_REPL_COMMAND_SIZE - 1 ? len : PXL8_MAX_REPL_COMMAND_SIZE - 1;
memcpy(repl->ring_buffer[repl->tail].buffer, repl->accumulator, copy_len);
repl->ring_buffer[repl->tail].buffer[copy_len] = '\0';
repl->tail = next_tail;
repl->waiting_for_eval = true;