From 7b9bdf0f92eac5f0effa96c9f0488de96860a98d Mon Sep 17 00:00:00 2001
From: herbglitch <bighebe@gmail.com>
Date: Sat, 27 Jan 2024 03:14:04 -0700
Subject: [PATCH] read in bytes

---
 include/arc/std/io.h | 10 ++++++++++
 src/std/io.c         | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+)

diff --git a/include/arc/std/io.h b/include/arc/std/io.h
index 59bb217..9a79e5d 100644
--- a/include/arc/std/io.h
+++ b/include/arc/std/io.h
@@ -8,6 +8,16 @@ extern "C" {
 #include <stdint.h>
 #include "arc/std/string.h"
 
+/**
+ * @brief get string and size from file
+ *
+ * @param path   a string to path of target file
+ * @param data   pointer to where uint8_t array will be created
+ *               this will need to be freed once done using it
+ * @param length length of the data read in
+*/
+void ARC_IO_ReadFileToUint8t(ARC_String *path, uint8_t **data, uint64_t *length);
+
 /**
  * @brief get string and size from file
  *
diff --git a/src/std/io.c b/src/std/io.c
index c400f3f..7779852 100644
--- a/src/std/io.c
+++ b/src/std/io.c
@@ -5,6 +5,41 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+void ARC_IO_ReadFileToUint8t(ARC_String *path, uint8_t **data, uint64_t *length){
+    FILE *file = fopen(path->data, "rb");
+    if(!file){
+        arc_errno = ARC_ERRNO_NULL;
+        ARC_DEBUG_LOG(arc_errno, "ARC_IO_FileToStr(ARC_String *path, ARC_String **data), could not open file \"%s\"", path->data);
+        *length = 0;
+        *data = NULL;
+        return;
+    }
+
+    fseek(file, 0L, SEEK_END);
+    *length = ftell(file);
+    rewind(file);
+
+    *data = (uint8_t *) calloc(1, *length + 1);
+    if(*data == NULL){
+        fclose(file);
+        arc_errno = ARC_ERRNO_NULL;
+        ARC_DEBUG_ERR("ARC_IO_FileToStr(ARC_String *path, ARC_String **data), file data is NULL");
+        *length = 0;
+        return;
+    }
+
+    if(1 != fread(*data, *length, 1, file)){
+        fclose(file);
+        arc_errno = ARC_ERRNO_COPY;
+        ARC_DEBUG_ERR("ARC_IO_FileToStr(ARC_String *path, ARC_String **data), could not copy file data");
+        *length = 0;
+        *data = NULL;
+        return;
+    }
+
+    fclose(file);
+}
+
 void ARC_IO_FileToStr(ARC_String *path, ARC_String **data){
     FILE *file = fopen(path->data, "rb");
     if(!file){