more stuff

core/print.c

@@ -5,107 +5,9 @@
 #include <stdarg.h>
 #include <stddef.h>
 #include <stdint.h>
+#include <stdlib.h>
 #include <string.h>
 
-static void reverse(char* s) {
-    int i, j;
-    char c;
-
-    for (i = 0, j = strlen(s) - 1; i < j; i++, j--) {
-        c = s[i];
-        s[i] = s[j];
-        s[j] = c;
-    }
-}
-
-static int char_to_digit(char c) {
-    if (c >= '0' && c <= '9')
-        return c - '0';
-    if (c >= 'a' && c <= 'z')
-        return c - 'a' + 10;
-    if (c >= 'A' && c <= 'Z')
-        return c - 'A' + 10;
-    return -1;
-}
-
-unsigned long atolu(const char* str, int base) {
-    unsigned long result = 0;
-
-    if (base == 16 && str[0] == '0' && (str[1] == 'x' || str[1] == 'X')) {
-        str += 2;
-    }
-
-    while (*str) {
-        int digit = char_to_digit(*str++);
-        if (digit < 0 || digit >= base)
-            break;
-
-        result = result * base + digit;
-    }
-
-    return result;
-}
-
-long atol(const char* str, int base) {
-    int neg = 0;
-
-    if (*str == '-') {
-        neg = 1;
-        str++;
-    }
-
-    unsigned long val = atolu(str, base);
-    return neg ? -(long)val : (long)val;
-}
-
-char* lutoa(uint64_t value, char* str, int base) {
-    if (base < 2 || base > 36)
-        return nullptr;
-
-    size_t i = 0;
-
-    do {
-        uint64_t digit = value % base;
-        str[i++] = (digit < 10) ? '0' + digit : 'a' + (digit - 10);
-        value /= base;
-    } while (value);
-
-    str[i] = '\0';
-    reverse(str);
-    return str;
-}
-
-char* ltoa(int64_t value, char* str, int base) {
-    if (base < 2 || base > 36)
-        return nullptr;
-
-    uint64_t magnitude;
-    int negative = 0;
-
-    if (value < 0) {
-        negative = 1;
-        magnitude = (uint64_t)(-(value + 1)) + 1;
-        // avoids INT64_MIN overflow
-    } else {
-        magnitude = (uint64_t)value;
-    }
-
-    size_t i = 0;
-
-    do {
-        uint64_t digit = magnitude % base;
-        str[i++] = (digit < 10) ? '0' + digit : 'a' + (digit - 10);
-        magnitude /= base;
-    } while (magnitude);
-
-    if (negative)
-        str[i++] = '-';
-
-    str[i] = '\0';
-    reverse(str);
-    return str;
-}
-
 typedef void (*log_fn_t)(void* ctx, const char* buf, size_t len);
 
 static void do_print(log_fn_t callback, void* ctx, const char* restrict fmt, va_list args) {