From 3785ed26321f11918908fe65b7a00aa218d9e80a Mon Sep 17 00:00:00 2001
From: Loic Dachary <ldachary@redhat.com>
Date: Mon, 15 Dec 2014 12:28:47 +0100
Subject: [PATCH] decoder/encoder: fix compilation warnings

Resolve compilation warnings about unused variables and function return
values being ignored.

Signed-off-by: Loic Dachary <loic@dachary.org>
---
 Examples/decoder.c | 12 ++++++------
 Examples/encoder.c |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/Examples/decoder.c b/Examples/decoder.c
index bd0b008..229dccc 100644
--- a/Examples/decoder.c
+++ b/Examples/decoder.c
@@ -62,6 +62,7 @@ same arguments, and encoder.c does error check.
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
+#include <assert.h>
 #include <unistd.h>
 #include <sys/time.h>
 #include <sys/stat.h>
@@ -104,12 +105,11 @@ int main (int argc, char **argv) {
 	char *c_tech;
 	
 	int i, j;				// loop control variable, s
-	int blocksize;			// size of individual files
+	int blocksize = 0;			// size of individual files
 	int origsize;			// size of file before padding
 	int total;				// used to write data, not padding to file
 	struct stat status;		// used to find size of individual files
 	int numerased;			// number of erased files
-        int dummy;
 		
 	/* Used to recreate file names */
 	char *temp;
@@ -270,11 +270,11 @@ int main (int argc, char **argv) {
 					stat(fname, &status);
 					blocksize = status.st_size;
 					data[i-1] = (char *)malloc(sizeof(char)*blocksize);
-					dummy = fread(data[i-1], sizeof(char), blocksize, fp);
+					assert(blocksize == fread(data[i-1], sizeof(char), blocksize, fp));
 				}
 				else {
 					fseek(fp, blocksize*(n-1), SEEK_SET); 
-					dummy = fread(data[i-1], sizeof(char), buffersize/k, fp);
+					assert(buffersize/k == fread(data[i-1], sizeof(char), buffersize/k, fp));
 				}
 				fclose(fp);
 			}
@@ -293,11 +293,11 @@ int main (int argc, char **argv) {
 					stat(fname, &status);
 					blocksize = status.st_size;
 					coding[i-1] = (char *)malloc(sizeof(char)*blocksize);
-					dummy = fread(coding[i-1], sizeof(char), blocksize, fp);
+					assert(blocksize == fread(coding[i-1], sizeof(char), blocksize, fp));
 				}
 				else {
 					fseek(fp, blocksize*(n-1), SEEK_SET);
-					dummy = fread(coding[i-1], sizeof(char), blocksize, fp);
+					assert(blocksize == fread(coding[i-1], sizeof(char), blocksize, fp));
 				}	
 				fclose(fp);
 			}
diff --git a/Examples/encoder.c b/Examples/encoder.c
index 8b9184f..367686e 100644
--- a/Examples/encoder.c
+++ b/Examples/encoder.c
@@ -326,7 +326,7 @@ int main (int argc, char **argv) {
 
 	/* Get current working directory for construction of file names */
 	curdir = (char*)malloc(sizeof(char)*1000);	
-	getcwd(curdir, 1000);
+	assert(curdir == getcwd(curdir, 1000));
 
         if (argv[1][0] != '-') {