Add comments to the code.

[wsti_so.git] / src / process3.c

diff --git a/src/process3.c b/src/process3.c
index f06a381014d060f61d11baafe896d8d911b75282..dfa30dbe389d56ab4cc24f5bf3206fde813c0d94 100644 (file)
--- a/src/process3.c
+++ b/src/process3.c
@@ -1,13 +1,8 @@
 #include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 
 /* open/read/write/close */
 #include <fcntl.h>
 
-/** If buffer is too small to hold entire string, it is incremented by this value */
-#define BUFFER_STEP 16
-
 /**
  * Program grabs data (calculated number of characters) from process2 and prints
  * grabbed data to the standard output.
@@ -16,18 +11,18 @@ int main(void) {
        /** Named pipe used to communicate with process2 */
        char * read_pipe = "/tmp/process2pipe";
 
+       /** Descriptor of input pipe */
        int read_descriptor;
-       
+
+       /** Buffer used for storing data from input pipe */
        int buffer = 0;
        
-       int i = 0;
+       /** Stores number of bytes read from input pipe in current iteration */
        ssize_t count = 0;
 
        /* Reading from process2 */
        read_descriptor = open(read_pipe, O_RDONLY);
 
-       int number_of_characters = 0;
-       
        while(1) {
                /* Read data from input pipe */
                count = read(read_descriptor, &buffer, sizeof(int));