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POSegmentation Error using strtok
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copied!<p>Trying to split a string using delimiter " " using strtok, but I am getting a segmentation error. </p> <pre><code> char command[12]; char *instruction; char *parameter_1; char *parameter_2; *instruction = strtok(command, " ,.-"); *parameter_1 = strtok(NULL, " ,.-"); *parameter_2 = strtok(NULL, " ,.-"); write(1,parameter_1,sizeof(parameter_1)); </code></pre> <p>at the point in th</p> <p>EDIT: As requested, compiler warnings. Not using int anywhere, so confused.</p> <pre><code>shell.c:51:16: warning: assignment makes integer from pointer without a cast [enabled by default] shell.c:52:16: warning: assignment makes integer from pointer without a cast [enabled by default] shell.c:53:16: warning: assignment makes integer from pointer without a cast [enabled by default] Command: abd def ghj Segmentation fault (core dumped) </code></pre> <p><strong>EDIT 2:</strong></p> <pre><code>int prompt() { // Get Input char inputData[256]; int rid; rid = read(0,inputData,256); // Strip input char command[rid]; int i; for (i = 0; i<=rid-2; i++) { command[i] = inputData[i]; } command[rid-1] = '\0'; // Debug // printf("\n-%c-%i\n",command[10],(int)sizeof(command)); // write(1,command,sizeof(command)); if (strcmp(command, "exit") == 0) { break; } char *instruction; char *parameter_1; char *parameter_2; instruction = strtok(command, " "); parameter_1 = strtok(NULL, " "); parameter_2 = strtok(NULL, " "); write(1,instruction,sizeof(instruction)); //write(1,parameter_2,sizeof(parameter_2)); } return 0; </code></pre> <p>}</p>

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