From 0306093118d171bb332bd8b8d4cf9d66a6ff1d84 Mon Sep 17 00:00:00 2001
From: Matt Strapp <strap012@umn.edu>
Date: Mon, 2 Nov 2020 18:40:44 -0600
Subject: Pain

---
 P2/lib/utils.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

(limited to 'P2')

diff --git a/P2/lib/utils.c b/P2/lib/utils.c
index b9454bb..577ca64 100644
--- a/P2/lib/utils.c
+++ b/P2/lib/utils.c
@@ -38,7 +38,6 @@ void sendChunkData(char *inputFile, int nMappers) {
 	int fd = open(inputFile, O_RDONLY);
 	// construct chunks of 1024 bytes
 	while(read(fd, message.msgText, chunkSize) != 0) {
-		// printf("%s\n", message.msgText);
 		/*  Go to the end of the chunk, check if final character 
 		    is a space if character is a space, do nothing
 		    else cut off before that word and put back file.
@@ -46,16 +45,18 @@ void sendChunkData(char *inputFile, int nMappers) {
 			Maybe copy message.msgText into a new array, do the
 			backwards iteration, and then replace message.msgText
 			with the temp array? Or something?       */
-		//fseek()??
-		//https://www.tutorialspoint.com/c_standard_library/c_function_fseek.htm
+		//lseek()?? (LOW LEVEL)
+		//http://crasseux.com/books/ctutorial/Finding-file-positions-at-a-low-level.html
 
 		// TODO! help 
 
-		// int i = 1023;
-		// while(message.msgText[i] != ' ') {
-		// 	message.msgText 
-		// }
-
+		int i = 1023;
+		while(message.msgText[i] != ' ') {
+			i--;
+			printf("%d\n", i);	
+		}
+		lseek(fd, (i - 1023), SEEK_CUR);
+		printf("%s\n", message.msgText);
 		message.msgType = (map++ % nMappers) + 1 ;
 		//THIS IS DEBUG, NOT ACTUALLY FUNCTIONAL (like at all)
 		msgsnd(msgid, &message, map, 0);
-- 
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