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#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include "common/err.h"
#include "common/file.h"
#include "api/vm.h"
#include "api/str.h"
#include "api/nil.h"
#include "api/bool.h"
#include "api/util.h"
UwUVMValue uwu_read(UwUVMArgs *args)
{
uwuutil_require_exact("nolambda:fs:read", args, 1);
char *filename = uwustr_get(uwuvm_get_arg(args, 0));
FILE *file = fopen(filename, "r");
if (! file) syserror("fopen", file);
if (fseek(file, 0, SEEK_END) == -1) syserror("fseek", file);
size_t size = ftell(file);
if (size == 1) syserror("ftell", file);
if (fseek(file, 0, SEEK_SET) == -1) syserror("fseek", file);
char contents[size];
if (fread(contents, 1, size, file) != size) syserror("fread", file);
fclose(file);
free(filename);
return uwustr_create(contents);
}
UwUVMValue uwu_write(UwUVMArgs *args)
{
uwuutil_require_exact("nolambda:fs:write", args, 2);
char *filename = uwustr_get(uwuvm_get_arg(args, 0));
char *contents = uwustr_get(uwuvm_get_arg(args, 1));
FILE *file = fopen(filename, "w");
if (! file) syserror("fopen", file);
size_t size = strlen(contents);
if (fwrite(contents, 1, size, file) != size) syserror("fwrite", file);
fclose(file);
free(filename);
free(contents);
return uwunil_create();
}
UwUVMValue uwu_remove(UwUVMArgs *args)
{
uwuutil_require_min("nolambda:fs:remove", args, 1);
for (size_t i = 0; i < args->num; i++) {
char *filename = uwustr_get(uwuvm_get_arg(args, i));
if (remove(filename) != 0) syserror("remove", NULL);
free(filename);
}
return uwunil_create();
}
UwUVMValue uwu_exists(UwUVMArgs *args)
{
uwuutil_require_min("nolambda:fs:exists", args, 1);
for (size_t i = 0; i < args->num; i++) {
char *filename = uwustr_get(uwuvm_get_arg(args, i));
bool exists = file_exists(filename);
free(filename);
if (! exists)
return uwubool_create(false);
}
return uwubool_create(true);
}
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