5 /* open/read/write/close */
8 /** If buffer is too small to hold entire string, it is incremented by this value */
12 * Program reads entire lines of text from the standard input and pass them
13 * to the process2 using created pipe.
16 /** Currently fetched from stdin character */
19 /** Buffer used to store line of characters */
22 /** Current buffer length*/
23 int buffer_length = 0;
25 /** Index of the current character */
29 * Temporary buffer used as a proxy between
30 * checking memory allocation and copying data to real buffer
34 /** Named pipe used to communnicate with process2 */
35 char * fifo = "/tmp/process1fifo";
37 /** File descriptor of pipe */
42 file_descriptor = open(fifo, O_WRONLY);
48 * Check if current index is bigger than current buffer size.
49 * If so increment buffer size. On error release memory, and set
52 if (i >= buffer_length) {
54 buffer_length += BUFFER_STEP;
55 tmp = (char*) realloc(buffer, buffer_length);
57 fprintf(stderr, "[%s] Memory allocation problem on read!\n", "process1");
65 * If there were no errors parse data.
68 /* If newline has been found
69 * return entire string and release the memory
73 write(file_descriptor, buffer, ++buffer_length);
74 /*fprintf(stdout, "%s\n", buffer);*/
84 * Normal character, add it to the buffer
92 printf("c: %c/%d, i: %d, bl: %d\n", c, c, i, buffer_length);