X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=discover%2Fplatform-powerpc.c;h=2480b8d29129fd27da866dc02e869c248c00b8b2;hb=c9c964c8c03c766d94d4798231d6e3db191c57df;hp=280793425198a483ecea8c1e4217b9844728d842;hpb=cecbe53013e9ed85fd5b2429c230759d59025644;p=petitboot

diff --git a/discover/platform-powerpc.c b/discover/platform-powerpc.c
index 2807934..2480b8d 100644
--- a/discover/platform-powerpc.c
+++ b/discover/platform-powerpc.c
@@ -179,7 +179,7 @@ static int write_nvram(struct platform_powerpc *platform)
 	struct process *process;
 	struct param *param;
 	const char *argv[6];
-	int rc;
+	int rc = 0;
 
 	argv[0] = "nvram";
 	argv[1] = "--update-config";
@@ -759,9 +759,8 @@ static int read_bootdev_sysparam(const char *name, uint8_t *val)
 	char path[50];
 	int fd, rc;
 
-	strcpy(path, sysparams_dir);
-	assert(strlen(name) < sizeof(path) - strlen(path));
-	strcat(path, name);
+	assert(strlen(sysparams_dir) + strlen(name) < sizeof(path));
+	snprintf(path, sizeof(path), "%s%s", sysparams_dir, name);
 
 	fd = open(path, O_RDONLY);
 	if (fd < 0) {
@@ -795,9 +794,8 @@ static int write_bootdev_sysparam(const char *name, uint8_t val)
 	char path[50];
 	int fd, rc;
 
-	strcpy(path, sysparams_dir);
-	assert(strlen(name) < sizeof(path) - strlen(path));
-	strcat(path, name);
+	assert(strlen(sysparams_dir) + strlen(name) < sizeof(path));
+	snprintf(path, sizeof(path), "%s%s", sysparams_dir, name);
 
 	fd = open(path, O_WRONLY);
 	if (fd < 0) {