X-Git-Url: https://git.dlugolecki.net.pl/?a=blobdiff_plain;f=src%2Fprocess1.c;h=f4a1392d84398e72d440e0d63cfb6b64690b46a7;hb=a5d6603b22bfb2332b084726633f6d13abc1d484;hp=695e887dac25e846a2ddc8476791e587ba5326f2;hpb=fe306b90adcee352d3da4ba0842afac66ba3d751;p=wsti_so.git

diff --git a/src/process1.c b/src/process1.c
index 695e887..f4a1392 100644
--- a/src/process1.c
+++ b/src/process1.c
@@ -2,12 +2,15 @@
 #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 reads entire lines of text from the standard input and returns them
- * on the standard output without changing anything.
+ * Program reads entire lines of text from the standard input and pass them
+ * to the process2 using created pipe.
  */
 int main(void) {
 	/** Currently fetched from stdin character */
@@ -19,14 +22,25 @@ int main(void) {
 	/** Current buffer length*/
 	int buffer_length = 0;
 
-	/* Index of the current character */
+	/** Index of the current character */
 	int i = 0;
-	
-	/** Temporary buffer used as a proxy between
+
+	/**
+	 * Temporary buffer used as a proxy between
 	 * checking memory allocation and copying data to real buffer 
 	 */
-	char *tmp = NULL;
+	char * tmp = NULL;
+
+	/** Named pipe used to communnicate with process2 */
+	char * write_pipe = "/tmp/process1pipe";
+
+	/** File descriptor of pipe */
+	int file_descriptor;
 
+	mkfifo(write_pipe, 0666);
+
+	file_descriptor = open(write_pipe, O_WRONLY);
+	
 	do {
 		c = fgetc(stdin);
 
@@ -48,14 +62,17 @@ int main(void) {
 		}
 
 		/*
-		 * If there were no errors parse data.
+		 * If there were no errors or it was not just an empty newline:
+		 * parse data.
 		 */
-		if (c != EOF) {
+		if (c != EOF || ((i == 0) && (c == 10))) {
 			/* If newline has been found
 			 * return entire string and release the memory
 			 */
-			if (c == 10) {
-				fprintf(stdout, "%s\n", buffer);
+			if (c == 10 && (i != 0)) {
+				buffer[i] = '\n';
+				write(file_descriptor, buffer, strlen(buffer));
+				fprintf(stderr, "[%s] buffer: %s/%d\n", "process1", buffer, strlen(buffer));
 
 				buffer_length = 0;
 				i = 0;
@@ -79,7 +96,10 @@ int main(void) {
 			}
 		}
 	} while(c != EOF);
-	
+
+	close(write_pipe);
+	unlink(write_pipe);
+
 	if (buffer) {
 		free(buffer);
 		buffer = NULL;