First commit

examples/main.c

@@ -0,0 +1,66 @@
+/* Reads text from stdio and creates comment using unix fs driver in current directory */
+/* TODO: add path, displayname as arguments */
+
+#include <stdio.h>
+#include <time.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <pwd.h>
+#include <sys/types.h>
+
+#include "comment.h"
+#include "driver.h"
+#include "drivers/unix_fs/unix_fs_driver.h"
+
+char *
+get_username()
+{
+    uid_t uid = geteuid();
+    struct passwd *pw = getpwuid(uid);
+    if (pw) {
+        return pw->pw_name;
+    }
+    return "";
+}
+
+int
+main(int argc, const char *argv[])
+{
+    const Driver *driver = &unix_fs_driver;
+    char *path = ".";
+
+    char *user_sid = get_username();
+    char *user_displayname = user_sid;
+    int reply_id = 0;
+
+    size_t cur_buf_size = 256;
+    size_t idx = 0;
+
+    char *text = malloc(cur_buf_size);
+
+    int ch;
+    while ((ch = getchar()) != EOF) {
+        if (idx + 1 == cur_buf_size) {
+            cur_buf_size *= 2;
+            text = realloc(text, cur_buf_size);
+        }
+        text[idx++] = ch;
+    }
+    text[idx] = '\0';
+
+    time_t current_time;
+    time(&current_time);
+
+    UnixFsDriverData driver_data = { path };
+
+    CommentHeader *header = mk_comment_header(reply_id, current_time, strlen(text), user_sid, user_displayname);
+
+    int retval = driver->leave_comment(&driver_data, header, text);
+    free(text);
+    if (retval < 0) {
+        return retval;
+    } else {
+        return 0;
+    }
+}