memset()

README

@@ -29,19 +29,19 @@ usage: pg_migrate -H postgres://URI [options]... dir
 
 
 example usage:
-`pg_migrate -H postgres://postgres:pass@localhost:5432 -p -d .`
+> pg_migrate -H postgres://postgres:pass@localhost:5432 -p -d .
 simulate an up migration for everything in this directory tree
 
 Installation
 
 Download: https://github.com/jwdeitch/pg_migrate/releases/tag/1.0.1
 and move to /usr/local/bin/:
-`curl -L https://github.com/jwdeitch/pg_migrate/releases/download/1.0.1/pg_migrate -o pg_migrate && mv pg_migrate /usr/local/bin/`
+> curl -L https://github.com/jwdeitch/pg_migrate/releases/download/1.0.1/pg_migrate -o pg_migrate && mv pg_migrate /usr/local/bin/
 
 ** The release binary is compiled against amd64 linux (ubuntu) and therefore will only work on that system architecture. You may download source and `make build` to compile locally.
 
-Before first run, you must provision the database by running pg_migrate with the -g and -H flags. This is to create the `public.pg_migrate` table, which stores information about which migrations have been ran:
-`pg_migrate -H postgres://postgres:pass@localhost:5432 -g`
+Before first run, you must provision the database by running pg_migrate with the -g and -H flags. This is to create the "public.pg_migrate" table, which stores information about which migrations have been ran:
+> pg_migrate -H postgres://postgres:pass@localhost:5432 -g
 
 Notes
 

src/diff.c

@@ -7,6 +7,7 @@
 char **missing_from_db(char **dbList, struct fs_discovered_migrations *fsList) {
 	int fsi = 0;
 	char **list = malloc(1000 * sizeof(char *));
+	memset(list, 0, 1000 * sizeof(char *));
 	if (list == NULL) {
 		printf("malloc failed to allocate\n");
 		exit(1);
@@ -25,6 +26,7 @@ char **missing_from_db(char **dbList, struct fs_discovered_migrations *fsList) {
 		}
 		if (!located) {
 			list[filesLocated] = (char *) malloc(PATH_MAX + 1);
+			memset(list[filesLocated], 0, PATH_MAX + 1);
 			if (list[filesLocated] == NULL) {
 				printf("malloc failed to allocate\n");
 				exit(1);
@@ -35,6 +37,7 @@ char **missing_from_db(char **dbList, struct fs_discovered_migrations *fsList) {
 		fsi++;
 	}
 	list[filesLocated] = (char *)malloc(PATH_MAX + 1);
+	memset(list[filesLocated], 0, PATH_MAX + 1);
 	if (list[filesLocated] == NULL) {
 		printf("malloc failed to allocate\n");
 		exit(1);

src/main.c

@@ -19,6 +19,7 @@ int main(int argc, char *argv[]) {
 	 */
 	int c = 0, u = 0, d = 0, s = 0, g = 0, p = 0, H = 0;
 	char *connStr = (char *) malloc(PATH_MAX * sizeof(connStr));
+	memset(connStr, 0, PATH_MAX * sizeof(connStr));
 	if (connStr == NULL) {
 		printf("malloc failed to allocate\n");
 		exit(1);

src/pg.c

@@ -93,6 +93,7 @@ char **getMigrationsFromDb(PGconn *connection) {
 	int rows = PQntuples(res);
 
 	char **list = malloc(1000 * sizeof(char *));
+	memset(list, 0, 1000 * sizeof(char *));
 	if (list == NULL) {
 		PQfinish(connection);
 		printf("malloc failed\n");
@@ -102,6 +103,7 @@ char **getMigrationsFromDb(PGconn *connection) {
 	int i = 0;
 	for (; i < rows; i++) {
 		list[i] = (char *) malloc(PATH_MAX + 1);
+		memset(list[i], 0, PATH_MAX + 1);
 		if (list[i] == NULL) {
 			PQfinish(connection);
 			printf("malloc failed\n");
@@ -110,6 +112,7 @@ char **getMigrationsFromDb(PGconn *connection) {
 		strcpy(list[i], strdup(PQgetvalue(res, i, 0)));
 	}
 	list[i + 1] = (char *) malloc(PATH_MAX + 1);
+	memset(list[i + 1], 0, PATH_MAX + 1);
 	if (list[i + 1] == NULL) {
 		PQfinish(connection);
 		printf("malloc failed\n");
@@ -154,6 +157,7 @@ void runMigrations(PGconn *connection, char **migrationsToBeRan, int should_simu
 			}
 
 			char *fileContents = malloc(fsize + 1);
+			memset(fileContents, 0, fsize + 1);
 			if (fileContents == NULL) {
 				printf("malloc failed to allocate\n");
 				exit(1);
@@ -251,6 +255,7 @@ void rollbackMigrations(PGconn *connection, int should_simulate) {
 
 		if (should_simulate == 0) {
 			char *fileContents = malloc(fsize + 1);
+			memset(fileContents, 0, fsize + 1);
 			if (fileContents == NULL) {
 				printf("malloc failed to allocate\n");
 				exit(1);