1 files changed, 7 insertions, 7 deletions

diff --git a/modified.c b/modified.c
index 81e8664..1f4cb9b 100644
--- a/modified.c
+++ b/modified.c
@@ -6,7 +6,7 @@ bool user_modified(char *file) {
 	char *filedump = NULL;
 	size_t len = 0, len2 = 0;
 	char *md5sum;
-	char filemd5[MD5_DIGEST_LENGTH];
+	unsigned char filemd5[MD5_DIGEST_LENGTH];
 	char hexdigest[32];
 	bool user_mod = TRUE;
 	if (access(MD5SUM_INDEX, R_OK) != 0) {
@@ -20,7 +20,7 @@ bool user_modified(char *file) {
 				filepipe = fopen(file, "r");
 				exit_error(filepipe, file);
 				if (getdelim(&filedump, &len2, EOF, filepipe) != -1) {
-					MD5(filedump, strlen(filedump), filemd5);
+					MD5((unsigned char *)filedump, strlen(filedump), filemd5);
 					md52hex(filemd5, hexdigest);
 					if (!strncmp(md5sum, hexdigest, 32)) {
 						user_mod = FALSE;
@@ -36,7 +36,7 @@ bool user_modified(char *file) {
 	}
 }
 
-void md52hex(char *md5sum, char *hexdigest) {
+void md52hex(unsigned char *md5sum, char *hexdigest) {
 	// this one is stolen from python's md5module.c
 	char c;
 	int i, j = 0;
@@ -56,11 +56,11 @@ void calc_md5(char *file, char* hexdigest) {
 	char *dump = NULL;
 	size_t len = 0;
 	
-	char md5sum[MD5_DIGEST_LENGTH];
+	unsigned char md5sum[MD5_DIGEST_LENGTH];
 	
 	fp = fopen(file, "r");
 	if (getdelim(&dump, &len, EOF, fp) != -1) {
-		MD5(dump, strlen(dump), md5sum);
+		MD5((unsigned char *)dump, strlen(dump), md5sum);
 		md52hex(md5sum, hexdigest);
 		free(dump);
 	}
@@ -72,11 +72,11 @@ void md5sum_update(char *file, char *hexdigest) {
 	char *dump = NULL;
 	size_t len = 0;
 	char *entry;
+
 	oldpipe = fopen(MD5SUM_INDEX, "r");
 	exit_error(oldpipe, MD5SUM_INDEX);
 	
-	getdelim(&dump, &len, EOF, oldpipe);
-	if ((entry = strstr(dump, file))) {
+	if ((getdelim(&dump, &len, EOF, oldpipe) != -1) && (entry = strstr(dump, file))) {
 		entry = strchr(entry, '\n') - 32;
 		strncpy(entry, hexdigest, 32);
 		exit_error(freopen(MD5SUM_INDEX, "w", oldpipe), MD5SUM_INDEX);