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POWhat kind of errors affect previous statements in C?
 

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  1. POWhat kind of errors affect previous statements in C?
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    <p>Sorry for a very generic sounding question.</p> <p>let's say</p> <pre><code>#include &lt;sys/socket.h&gt; #include &lt;sys/types.h&gt; #include &lt;netinet/in.h&gt; #include &lt;stdio.h&gt; #include &lt;stdlib.h&gt; #include &lt;string.h&gt; #include &lt;unistd.h&gt; #define SERVER_ADDRESS "123.456.789.012" #define CLIENT_ADDRESS "123.456.789.013" #define SERVER_TCP_PORT "1234" #define CLIENT_TCP_PORT "1235" int main() { printf("o halo thar"); int sockfd, new_sockfd, msg_len; void * got_msg = "got ur msg!"; void * message; struct sockaddr_in server_address, client_address; if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) &lt; 0 ) exit(1); printf("socket is opened"); bzero((char * ) &amp;server_address, sizeof(server_address)); server_address.sin_family = AF_INET; server_address.sin_addr.s_addr = htonl(SERVER_ADDRESS); server_address.sin_port = htons(SERVER_TCP_PORT); if (bind(sockfd, (struct sockaddr *) &amp;server_address, sizeof(server_address)) &lt; 0) exit(1); printf("socket is bound"); listen(sockfd,11); printf("listening"); if (accept(sockfd, (struct sockaddr *) &amp;client_address, sizeof(client_address)) &lt; 0) // THE BAD LINE exit(1); printf("accepted"); int i; for( i = 0; i &lt; 11; i++) { msg_len = recv(sockfd, (void *) message, 10000, 0); if (msg_len &lt; 1) exit(1); printf("receiving msg"); if (send(sockfd, (void *) got_msg, 10000, 0) &lt; 0); exit(1); printf("sending msg"); } close(sockfd); } </code></pre> <p>it should print <code>abc</code> if everything runs correctly. of course, my code doesn't. but i have localized the problem to this certain line of code which i'm calling <code>somecode()</code>. when i comment out <code>somecode()</code>, the program prints out <code>ab</code> (not <code>c</code>). however when not commented out, it prints nothing. so what kind of problem am i running into that affects previous statements? sorry for the vagueness. i'm just wondering how seeing <code>somecode()</code> is compiled fine, but when running, it influences executions of code that should be done before it reaches <code>somecode()</code>? Thanks guys.</p> <p>EDIT:somecode() being</p> <pre><code> if (accept(sockfd, (struct sockaddr *) &amp;client_address, sizeof(client_address)) &lt; 0) exit(1); </code></pre> <p>EDIT2: sorry for being too vague. i even forgot to describe what happens to the program. it doesn't print anything out and i have to ctrl+c in order to get out of it.</p>
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    1. USFantastic Fourier
    1. USFantastic Fourier
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    1. COWhy don't you show us `somecode()`?
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      1. POWhat kind of errors affect previous statements in C?
      1. USrlbond
    2. COHave you tried running your code in a debugger?
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      1. POWhat kind of errors affect previous statements in C?
      1. USJustin Ethier
    3. COWhy does it not print out "c" when you comment out `somecode()` ?
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      1. POWhat kind of errors affect previous statements in C?
      1. USJohannes Schaub - litb
 

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