Basic reading of files

2 files changed, 57 insertions, 0 deletions

diff --git a/file.c b/file.c
new file mode 100644
index 0000000..d05681d
--- /dev/null
+++ b/file.c
@@ -0,0 +1,44 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "file.h"
+
+struct FileContent read_entire_file(const char *file_path) {
+  struct FileContent file_data;
+  file_data.content = NULL;
+  file_data.count = 0;
+
+  FILE *file = fopen(file_path, "rb");
+  if (file == NULL) {
+    perror("Error opening file");
+    return file_data;
+  }
+
+  fseek(file, 0, SEEK_END);
+  long file_size = ftell(file);
+  fseek(file, 0, SEEK_SET);
+
+  if (file_size == -1) {
+    perror("Error getting file size");
+    return file_data;
+  }
+
+  file_data.content = (const char *)malloc(file_size);
+  if (file_data.content == NULL) {
+    perror("Error allocating memory");
+    return file_data;
+  }
+
+  size_t bytes_read = fread((void *)file_data.content, 1, file_size, file);
+  if (bytes_read != (size_t)file_size) {
+    perror("Error reading file");
+    free((void *)file_data.content);
+    file_data.content = NULL;
+    return file_data;
+  }
+
+  file_data.count = bytes_read;
+
+  fclose(file);
+  return file_data;
+}
diff --git a/file.h b/file.h
new file mode 100644
index 0000000..31a6e7d
--- /dev/null
+++ b/file.h
@@ -0,0 +1,13 @@
+#ifndef FILE_H
+#define FILE_H
+
+#include <stdio.h>
+
+struct FileContent {
+  const char *content;
+  size_t count;
+};
+
+struct FileContent read_entire_file(const char *file_path);
+
+#endif