chore: initial commit

lib/filesystem.c

@@ -0,0 +1,57 @@
+#include "filesystem.h"
+
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <pwd.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "string.h"
+
+int filesystem_read(char *path, char **file_content, off_t *file_size) {
+  int file_descriptor = open(path, O_RDONLY);
+  if (file_descriptor == -1) {
+    return -1;
+  }
+  (*file_size) = lseek(file_descriptor, 0, SEEK_END);
+  lseek(file_descriptor, 0, SEEK_SET);
+  (*file_content) = malloc(*file_size);
+  read(file_descriptor, *file_content, *file_size);
+  close(file_descriptor);
+  return 0;
+}
+
+int filesystem_write(char *path, char *file_content, off_t file_size) {
+  int file_descriptor = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
+  if (file_descriptor == -1) {
+    return -1;
+  }
+  write(file_descriptor, file_content, file_size);
+  close(file_descriptor);
+  return 0;
+}
+
+char *filesystem_get_mimetype(char *path) {
+  if (string_ends_with(path, ".html")) {
+    return "text/html";
+  }
+  if (string_ends_with(path, ".css")) {
+    return "text/css";
+  }
+  if (string_ends_with(path, ".js")) {
+    return "text/javascript";
+  }
+  if (string_ends_with(path, ".png")) {
+    return "image/png";
+  }
+  if (string_ends_with(path, ".jpg") || string_ends_with(path, ".jpeg")) {
+    return "image/jpeg";
+  }
+  if (string_ends_with(path, ".gif")) {
+    return "image/gif";
+  }
+  return "text/plain";
+}