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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "types.h"
#include "voxel.h"
#include "utils.h"
char *read_file(const char *filename)
{
FILE *file;
long length, read;
char *buffer;
file = fopen(filename, "r");
if (file == NULL) {
ERROR("could not read file: %s", filename);
return NULL;
}
fseek(file, 0, SEEK_END);
length = ftell(file);
fseek(file, 0, SEEK_SET);
buffer = malloc(length + 1);
read = fread(buffer, 1, length, file);
buffer[length] = 0;
if (read < length) {
ERROR("could not read file: %s", filename);
free(buffer);
return NULL;
}
fclose(file);
return buffer;
}
_Noreturn void die(void)
{
exit(1);
}
void *xalloc(usize size)
{
void *ptr = malloc(size);
if (ptr == NULL && size != 0)
die();
return ptr;
}
void *xrealloc(void *ptr, usize size)
{
ptr = realloc(ptr, size);
if (ptr == NULL && size != 0)
die();
return ptr;
}
void *xzalloc(usize size)
{
void *ptr = xalloc(size);
memset(ptr, 0, size);
return ptr;
}
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