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#include <stdio.h>
#include <stdlib.h>
#include "diag/diag.h"
#include "io/file.h"
static void report_file_error(const char* verb, const char* path)
{
char message[512];
snprintf(message, sizeof(message), "%s '%s'", verb, path);
report_error_message(message);
}
bool read_file(const char* path, struct File* out)
{
FILE* stream = fopen(path, "rb");
if (stream == NULL)
{
report_file_error("could not open", path);
return false;
}
if (fseek(stream, 0, SEEK_END) != 0)
{
report_file_error("could not read", path);
fclose(stream);
return false;
}
long length = ftell(stream);
if (length < 0)
{
report_file_error("could not read", path);
fclose(stream);
return false;
}
rewind(stream);
size_t size = (size_t)length;
char* data = malloc(size + 1);
if (data == NULL)
{
report_file_error("out of memory reading", path);
fclose(stream);
return false;
}
if (fread(data, 1, size, stream) != size)
{
report_file_error("could not read", path);
free(data);
fclose(stream);
return false;
}
data[size] = '\0';
fclose(stream);
out->data = data;
out->size = size;
return true;
}
void free_file(struct File* file)
{
free(file->data);
file->data = NULL;
file->size = 0;
}
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