Use sizeof() instead of duplicating the variable length

diff --git a/src/zone.c b/src/zone.c
index e4aad81..385e511 100644 (file)
--- a/src/zone.c
+++ b/src/zone.c
@@ -64,7 +64,7 @@ zone_read_procfile(char *pidstr, char *file, void *buf, size_t bufsize)
        int fd;
 
        char procfile[MAX_PROCFS_PATH];
-       (void)snprintf(procfile, MAX_PROCFS_PATH, "/proc/%s/%s", pidstr, file);
+       (void)snprintf(procfile, sizeof(procfile), "/proc/%s/%s", pidstr, file);
        while ((fd = open(procfile, O_RDONLY)) == -1) {
                if ((errno != EMFILE) || (errno != ENFILE)) {
                        return(1);