From d01b39d1bb08687077309eb00704461c228c6a3e Mon Sep 17 00:00:00 2001 From: Aryadev Chavali Date: Mon, 16 Oct 2023 12:03:42 +0100 Subject: Added helper functions to read and write bytes from files Given a filepath, helper function to write a buffer of bytes to a file and to read a file completely as a buffer. --- src/main.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/src/main.c b/src/main.c index f47d308..6682fc5 100644 --- a/src/main.c +++ b/src/main.c @@ -10,12 +10,37 @@ * Description: Entrypoint to program */ +#include #include #include #include "./inst.h" #include "./runtime.h" +void write_bytes_to_file(darr_t *bytes, const char *filepath) +{ + FILE *fp = fopen(filepath, "wb"); + size_t size = fwrite(bytes->data, bytes->used, 1, fp); + fclose(fp); + assert(size == 1); +} + +void read_bytes_from_file(const char *filepath, darr_t *darr) +{ + darr->data = NULL; + darr->used = 0; + darr->available = 0; + + FILE *fp = fopen(filepath, "rb"); + fseek(fp, 0, SEEK_END); + long size = ftell(fp); + darr_init(darr, size); + fseek(fp, 0, SEEK_SET); + size_t read = fread(darr->data, size, 1, fp); + fclose(fp); + assert(read == 1); +} + int main(void) { byte stack_data[256]; -- cgit v1.2.3-13-gbd6f