nanowasm/src/fstrcmp.c

42 lines
964 B
C

/*
* nanowasm, a tiny WebAssembly/Wasm interpreter
* Copyright (C) 2023-2024 Xavier Del Campo Romero
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#include <nw/fstring.h>
#include <nw/log.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
int fstrcmp(const char *str, FILE *const f, const bool abort)
{
int ret = 0;
for (size_t i = 0; i < strlen(str); i++)
{
uint8_t byte;
if (!fread(&byte, sizeof byte, 1, f))
{
LOG("%s: fread(3) failed, feof=%d, ferror=%d\n",
__func__, feof(f), ferror(f));
return -1;
}
else if (byte != str[i])
{
if (abort)
return -1;
else
ret = -1;
}
}
return ret;
}