trailer: improve const correctness

Change "const char *" to "char *" in struct trailer_item and in the
return value of apply_command (since those strings are owned strings).

Change "struct conf_info *" to "const struct conf_info *" (since that
struct is not modified).

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Tan 2016-10-14 10:37:58 -07:00 committed by Junio C Hamano
parent 3cdd5d1917
commit d65fd424ad

View File

@ -27,8 +27,8 @@ static struct conf_info default_conf_info;
struct trailer_item {
struct trailer_item *previous;
struct trailer_item *next;
const char *token;
const char *value;
char *token;
char *value;
struct conf_info conf;
};
@ -95,8 +95,8 @@ static void free_trailer_item(struct trailer_item *item)
free(item->conf.name);
free(item->conf.key);
free(item->conf.command);
free((char *)item->token);
free((char *)item->value);
free(item->token);
free(item->value);
free(item);
}
@ -215,13 +215,13 @@ static struct trailer_item *remove_first(struct trailer_item **first)
return item;
}
static const char *apply_command(const char *command, const char *arg)
static char *apply_command(const char *command, const char *arg)
{
struct strbuf cmd = STRBUF_INIT;
struct strbuf buf = STRBUF_INIT;
struct child_process cp = CHILD_PROCESS_INIT;
const char *argv[] = {NULL, NULL};
const char *result;
char *result;
strbuf_addstr(&cmd, command);
if (arg)
@ -425,7 +425,7 @@ static int set_if_missing(struct conf_info *item, const char *value)
return 0;
}
static void duplicate_conf(struct conf_info *dst, struct conf_info *src)
static void duplicate_conf(struct conf_info *dst, const struct conf_info *src)
{
*dst = *src;
if (src->name)