「🏗️」 wip: wtf is going on

2025-09-18 21:32:46 +02:00
parent 7b15583813
commit 4e41bf3aa1
8 changed files with 105 additions and 0 deletions
--- a/subjects/main.c
+++ b/subjects/main.c
@ -0,0 +1,96 @@
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <netdb.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+int extract_message(char **buf, char **msg)
+{
+	char	*newbuf;
+	int	i;
+
+	*msg = 0;
+	if (*buf == 0)
+		return (0);
+	i = 0;
+	while ((*buf)[i])
+	{
+		if ((*buf)[i] == '\n')
+		{
+			newbuf = calloc(1, sizeof(*newbuf) * (strlen(*buf + i + 1) + 1));
+			if (newbuf == 0)
+				return (-1);
+			strcpy(newbuf, *buf + i + 1);
+			*msg = *buf;
+			(*msg)[i + 1] = 0;
+			*buf = newbuf;
+			return (1);
+		}
+		i++;
+	}
+	return (0);
+}
+
+char *str_join(char *buf, char *add)
+{
+	char	*newbuf;
+	int		len;
+
+	if (buf == 0)
+		len = 0;
+	else
+		len = strlen(buf);
+	newbuf = malloc(sizeof(*newbuf) * (len + strlen(add) + 1));
+	if (newbuf == 0)
+		return (0);
+	newbuf[0] = 0;
+	if (buf != 0)
+		strcat(newbuf, buf);
+	free(buf);
+	strcat(newbuf, add);
+	return (newbuf);
+}
+
+
+int main() {
+	int sockfd, connfd, len;
+	struct sockaddr_in servaddr, cli; 
+
+	// socket create and verification 
+	sockfd = socket(AF_INET, SOCK_STREAM, 0); 
+	if (sockfd == -1) { 
+		printf("socket creation failed...\n"); 
+		exit(0); 
+	} 
+	else
+		printf("Socket successfully created..\n"); 
+	bzero(&servaddr, sizeof(servaddr)); 
+
+	// assign IP, PORT 
+	servaddr.sin_family = AF_INET; 
+	servaddr.sin_addr.s_addr = htonl(2130706433); //127.0.0.1
+	servaddr.sin_port = htons(8081); 
+
+	// Binding newly created socket to given IP and verification 
+	if ((bind(sockfd, (const struct sockaddr *)&servaddr, sizeof(servaddr))) != 0) { 
+		printf("socket bind failed...\n"); 
+		exit(0); 
+	} 
+	else
+		printf("Socket successfully binded..\n");
+	if (listen(sockfd, 10) != 0) {
+		printf("cannot listen\n"); 
+		exit(0); 
+	}
+	len = sizeof(cli);
+	connfd = accept(sockfd, (struct sockaddr *)&cli, &len);
+	if (connfd < 0) { 
+        printf("server acccept failed...\n"); 
+        exit(0); 
+    } 
+    else
+        printf("server acccept the client...\n");
+}