init

8 files changed, 101 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e3d37f5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+.cache
+build
+tags
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..a460044
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.16...4.0)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+project(libjunk VERSION 1.0
+  DESCRIPTION "General purpose library"
+  LANGUAGES C)
+add_library(junk SHARED)
+add_subdirectory(src)
+target_include_directories(junk PUBLIC include)
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..ee68cd3
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) 2025 Aaditya Dhruv
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
diff --git a/include/junk/network.h b/include/junk/network.h
new file mode 100644
index 0000000..494142f
--- /dev/null
+++ b/include/junk/network.h
@@ -0,0 +1,4 @@
+#pragma once
+
+
+int tcp_ipv4_send_packet(char* ip, char* port, char* data);
diff --git a/include/junk/test.h b/include/junk/test.h
new file mode 100644
index 0000000..2ee6d89
--- /dev/null
+++ b/include/junk/test.h
@@ -0,0 +1,2 @@
+#pragma once
+void test_print(char* value);
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
new file mode 100644
index 0000000..21ed023
--- /dev/null
+++ b/src/CMakeLists.txt
@@ -0,0 +1 @@
+target_sources(junk PUBLIC test.c network.c)
diff --git a/src/network.c b/src/network.c
new file mode 100644
index 0000000..64d217b
--- /dev/null
+++ b/src/network.c
@@ -0,0 +1,55 @@
+#include "junk/network.h"
+#include <unistd.h>
+#include <errno.h>
+#include <netinet/in.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+
+#define TAG "network"
+
+int tcp_ipv4_send_packet(char* ip, char* port, char* data) {
+
+  int sock;
+  struct addrinfo hints, *p, *res;
+
+  memset(&hints, 0, sizeof hints);
+  hints.ai_family = AF_INET;
+  hints.ai_socktype = SOCK_STREAM;
+
+  if (getaddrinfo(ip, port, &hints, &res) != 0) {
+    fprintf(stderr, "%s: getaddrinfo (%d): %s\n", TAG, errno, gai_strerror(errno));
+    return errno;
+  }
+
+  if ((sock = socket(res->ai_family, res->ai_socktype, res->ai_protocol)) == -1) {
+    fprintf(stderr, "%s: socket (%d): %s\n", TAG, errno, strerror(errno));
+    return errno;
+  }
+
+  if (connect(sock, res->ai_addr, res->ai_addrlen) == -1) {
+    fprintf(stderr, "%s: connect (%d): %s\n", TAG, errno, strerror(errno));
+    return errno;
+  }
+
+  int len = strlen(data);
+  int bytes_sent = 0;
+  int total_bytes_sent = 0;
+
+  while (1) {
+    if ((bytes_sent = send(sock, data, len, 0)) == -1) {
+      fprintf(stderr, "%s: send (%d): %s\n", TAG, errno, strerror(errno));
+      return errno;
+    }
+    total_bytes_sent += bytes_sent;
+    if (bytes_sent == len) {
+      break;
+    }
+  }
+  close(sock);
+  freeaddrinfo(res);
+  return 0;
+}
diff --git a/src/test.c b/src/test.c
new file mode 100644
index 0000000..d8a0654
--- /dev/null
+++ b/src/test.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+#include "junk/test.h"
+
+void test_print(char* value) {
+  printf("Hello %s from libjunk\n", value);
+}