From e4bae38e3a5d345c025ed9edddbf401c81756dd5 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Mon, 13 Jul 2020 00:07:56 +0200
Subject: Finish 'downloaded' command

---
 fileutils.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

(limited to 'fileutils.c')

diff --git a/fileutils.c b/fileutils.c
index 233138c..137373b 100644
--- a/fileutils.c
+++ b/fileutils.c
@@ -1,6 +1,9 @@
 #include "fileutils.h"
+#include "alloc.h"
 
+#include <stdio.h>
 #include <stdlib.h>
+#include <errno.h>
 #include <pwd.h>
 #include <unistd.h>
 
@@ -12,3 +15,33 @@ const char* get_home_dir() {
     }
     return home_dir;
 }
+
+int file_get_content(const char *filepath, char **data, long *size) {
+    int result = 0;
+    FILE *file = fopen(filepath, "rb");
+    if(!file) {
+        int err = -errno;
+        perror(filepath);
+        return err;
+    }
+
+    fseek(file, 0, SEEK_END);
+    *size = ftell(file);
+    if(*size == -1) {
+        fprintf(stderr, "Failed to tell the size of file %s, is it not a file?\n", filepath);
+        result = -1;
+        goto cleanup;
+    }
+    fseek(file, 0, SEEK_SET);
+
+    *data = alloc_or_crash(*size);
+    if((long)fread(*data, 1, *size, file) != *size) {
+        fprintf(stderr, "Failed to read all bytes in file %s\n", filepath);
+        result = -1;
+        goto cleanup;
+    }
+
+    cleanup:
+    fclose(file);
+    return result;
+}
-- 
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