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/*
* File I/O binding example.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "duktape.h"
int duk_fileio_readfile(duk_context *ctx) {
const char *filename = duk_to_string(ctx, 0);
FILE *f = NULL;
long len;
void *buf;
size_t got;
if (!filename) {
goto error;
}
f = fopen(filename, "rb");
if (!f) {
goto error;
}
if (fseek(f, 0, SEEK_END) != 0) {
goto error;
}
len = ftell(f);
if (fseek(f, 0, SEEK_SET) != 0) {
goto error;
}
buf = duk_push_fixed_buffer(ctx, (size_t) len);
got = fread(buf, 1, len, f);
if (got != len) {
goto error;
}
fclose(f);
f = NULL;
return 1;
error:
if (f) {
fclose(f);
}
return DUK_RET_ERROR;
}
void duk_fileio_register(duk_context *ctx) {
duk_push_global_object(ctx);
duk_push_string(ctx, "fileio");
duk_push_object(ctx);
duk_push_string(ctx, "readfile");
duk_push_c_function(ctx, duk_fileio_readfile, 1);
duk_put_prop(ctx, -3);
duk_put_prop(ctx, -3);
duk_pop(ctx);
}