lslocks: (refactor) use narrow variable scoping for loop counters

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

diff --git a/misc-utils/lslocks.c b/misc-utils/lslocks.c
index 369a5e95d4b2c34c0013ac45a238f442bf735b38..a54d28dd83b41bd2c19b5f43f020b164cd1712e6 100644 (file)
--- a/misc-utils/lslocks.c
+++ b/misc-utils/lslocks.c
@@ -185,9 +185,7 @@ static void rem_lock(struct lock *lock)
 
 static void disable_columns_truncate(void)
 {
-       size_t i;
-
-       for (i = 0; i < ARRAY_SIZE(infos); i++)
+       for (size_t i = 0; i < ARRAY_SIZE(infos); i++)
                infos[i].flags &= ~SCOLS_FL_TRUNC;
 }
 
@@ -547,11 +545,9 @@ static int get_proc_locks(void *locks, void (*add_lock)(void *, struct lock *),
 
 static int column_name_to_id(const char *name, size_t namesz)
 {
-       size_t i;
-
        assert(name);
 
-       for (i = 0; i < ARRAY_SIZE(infos); i++) {
+       for (size_t i = 0; i < ARRAY_SIZE(infos); i++) {
                const char *cn = infos[i].name;
 
                if (!c_strncasecmp(name, cn, namesz) && !*(cn + namesz))
@@ -598,7 +594,6 @@ static void xstrcoholder(char **str, struct lock *l)
 
 static void add_scols_line(struct libscols_table *table, struct lock *l, struct list_head *locks, void *pid_locks)
 {
-       size_t i;
        struct libscols_line *line;
        /*
         * Whenever cmdname or filename is NULL it is most
@@ -614,7 +609,7 @@ static void add_scols_line(struct libscols_table *table, struct lock *l, struct
        if (!line)
                err(EXIT_FAILURE, _("failed to allocate output line"));
 
-       for (i = 0; i < ncolumns; i++) {
+       for (size_t i = 0; i < ncolumns; i++) {
                char *str = NULL;
 
                switch (get_column_id(i)) {
@@ -741,7 +736,6 @@ static int get_json_type_for_column(int column_id, int representing_in_bytes)
 static int show_locks(struct list_head *locks, pid_t target_pid, void *pid_locks)
 {
        int rc = 0;
-       size_t i;
        struct list_head *p;
        struct libscols_table *table;
 
@@ -756,7 +750,7 @@ static int show_locks(struct list_head *locks, pid_t target_pid, void *pid_locks
        if (json)
                scols_table_set_name(table, "locks");
 
-       for (i = 0; i < ncolumns; i++) {
+       for (size_t i = 0; i < ncolumns; i++) {
                struct libscols_column *cl;
                const struct colinfo *col = get_column_info(i);