Compile with warnings and fix some warnings

bake.cmd

@@ -1,7 +1,7 @@
 @echo off
 setlocal enabledelayedexpansion
 
-set CIABATTA_OPTIONS=-Iinc -g -gcodeview -nodefaultlibs -D_CRT_SECURE_NO_WARNINGS
+set CIABATTA_OPTIONS=-Iinc -Wall -g -gcodeview -nodefaultlibs -D_CRT_SECURE_NO_WARNINGS
 set PLATFORM=win32
 if NOT "%1"=="fast" (
 

code/printf.h

@@ -29,6 +29,7 @@ inline static int FMT_FUNC_NAME (void *ctx, OutputFunc out, const FMT_CHAR_TYPE
 
             if (isdigit(*fmt)) {
                 // just a small atoi
+                // TODO: handle overflow, just in case(?)
                 while (isdigit(*fmt)) {
                     precision *= 10u;
                     precision += (*fmt - '0');

code/stdio.c

@@ -2,6 +2,8 @@
 #include <stdarg.h>
 #include <ctype.h>
 
+#include <_platform.h>
+
 #define __STDC_WANT_LIB_EXT1__ 1
 #include <string.h>
 

code/stdlib/conv.c

@@ -20,7 +20,7 @@ typedef unsigned intu;
 #define inrange(start, c, end) ((start) <= (c) && (c) <= (end))
 
 static bool isbase(int c, int base) {
-    int val;
+    int val = 0;
     if(isdigit(c)) {
         val = c-'0';
     }
@@ -48,7 +48,7 @@ static bool strprefix_i(char const *restrict str, char const *restrict prefix) {
 
 // Called only when isbase(c, base) for some base in range
 static long todigit(int c) {
-    int val;
+    int val = 0;
     if(isdigit(c)) {
         val = c-'0';
     }
@@ -70,6 +70,7 @@ static intull strtoi_generic(const char *restrict nptr,
     intull value = 0;
     int digits_read = 0;
     bool is_signed = (coefptr != NULL);
+    intl coef = 1;
     // Find max{abs(int)}. Signed integers have negative,
     // whose absolute value is 1 bigger than int_max.
     intull int_abs_max = int_max;
@@ -85,7 +86,6 @@ static intull strtoi_generic(const char *restrict nptr,
         ++str;
     }
     // Parse sign
-    intl coef = 1;
     if(is_signed) {
         if(*str == '-') {
             coef = -1;

code/string.c

@@ -22,11 +22,9 @@ void *memcpy(void *restrict s1, const void *restrict s2, size_t n) {
 
 void *memmove(void *s1, const void *s2, size_t n)
 {
-    byte *u1 = s1;
-    byte const *u2 = s2;
     void *buffer = malloc(n);
-    strcpy(buffer, s2);
-    strcpy(s1, buffer);
+    memcpy(buffer, s2, n);
+    memcpy(s1, buffer, n);
     free(buffer);
     return s1;
 }
@@ -90,7 +88,7 @@ int strcmp(const char *s1, const char *s2) {
 
 int strncmp(const char *s1, const char *s2, size_t n)
 {
-    int diff;
+    int diff = 0;
     size_t i = 0;
     if(n != 0) do {
         diff = *s1 - *s2;

inc/ctype.h

@@ -1,4 +1,4 @@
-#include "_platform.h"
+#pragma once
 
 int isalnum(int c);
 int isalpha(int c);

platform/win32/entry.c

@@ -21,11 +21,10 @@ static size_t count_wide_chars(const wchar_t* str) {
 static bool convert_wide_chars_to_ansi(char* out, const wchar_t* str, size_t len) {
     for (size_t i = 0; i < len; i++) {
         wchar_t ch = *str++;
-        if (ch <= 0 && ch > 0x7F) {
+        if (ch < 0 || 0x7F >= ch) {
             *out++ = 0;
             return false;
         }
-
         *out++ = ch;
     }
 

platform/win32/memory.c

@@ -39,7 +39,7 @@ void *aligned_alloc(size_t alignment, size_t size) {
     if(alignment > 8) {
         min_req_size += alignment;
     }
-    void *block_start = HeapAlloc(_heap, HEAP_ZERO_MEMORY, size+alignment);
+    void *block_start = HeapAlloc(_heap, HEAP_ZERO_MEMORY, min_req_size);
     intptr_t block_start_i = (intptr_t)block_start;
     intptr_t aligned_block_start_i = align_forward(block_start_i, alignment);
     void *aligned_block_start = (void *)aligned_block_start_i;

test/test.c

@@ -8,6 +8,6 @@
 
 int main(int argc, char** argv) {
     uint64_t mynumber = 4;
-    printf("%"PRIu64"\n", mynumber);
+    printf("Hello, guys %"PRIu64"\n", mynumber);
     return 0;
 }