task three: 2-append_text_to_file.c - status: new

Author: hackerSa3edy

0x15-file_io/2-append_text_to_file.c

@@ -0,0 +1,44 @@
+#include "main.h"
+
+/**
+ * append_text_to_file - appends text at the end of a file.
+ *
+ * @filename: file name.
+ * @text_content: text to be add into the file.
+ *
+ * Return: (1) on success, (-1) on failure.
+ */
+int append_text_to_file(const char *filename, char *text_content)
+{
+	int fd_wr, fd, flags, text_content_len = 0;
+
+	if (filename == NULL)
+		return (-1);
+
+	if (text_content != NULL)
+	{
+		while (*text_content != '\0')
+		{
+			text_content_len++;
+			text_content++;
+		}
+
+		text_content = text_content - text_content_len;
+	}
+
+	flags = O_WRONLY | O_APPEND;
+
+	fd = open(filename, flags);
+	if (fd < 0)
+		return (-1);
+
+	if (text_content != NULL)
+	{
+		fd_wr = write(fd, text_content, text_content_len);
+		if (fd_wr < 0)
+			return (-1);
+	}
+
+	close(fd);
+	return (1);
+}

0x15-file_io/2-main.c

@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "main.h"
+
+/**
+ * main - check the code
+ *
+ * Return: Always 0.
+ */
+int main(int ac, char **av)
+{
+	int res;
+
+	if (ac != 3)
+	{
+		dprintf(2, "Usage: %s filename text\n", av[0]);
+		exit(1);
+	}
+	res = append_text_to_file(av[1], av[2]);
+	printf("-> %i)\n", res);
+	return (0);
+}

0x15-file_io/main.h

@@ -9,5 +9,6 @@
 
 ssize_t read_textfile(const char *, size_t);
 int create_file(const char *, char *);
+int append_text_to_file(const char *, char *);
 
 #endif