From: Thomas Weißschuh <thomas@t-8ch.de>
Date: Tue, 27 Jun 2023 10:41:06 +0000 (+0200)
Subject: lib/timeutils: constify some arguments
X-Git-Tag: v2.40-rc1~350^2~3
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=971244fdc7c108d5c2810411c704288764ad609a;p=thirdparty%2Futil-linux.git

lib/timeutils: constify some arguments

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
---

diff --git a/include/timeutils.h b/include/timeutils.h
index 4ce57a4255..88b547c720 100644
--- a/include/timeutils.h
+++ b/include/timeutils.h
@@ -72,8 +72,8 @@ enum {
 #define CTIME_BUFSIZ	26
 #define ISO_BUFSIZ	42
 
-int strtimeval_iso(struct timeval *tv, int flags, char *buf, size_t bufsz);
-int strtm_iso(struct tm *tm, int flags, char *buf, size_t bufsz);
+int strtimeval_iso(const struct timeval *tv, int flags, char *buf, size_t bufsz);
+int strtm_iso(const struct tm *tm, int flags, char *buf, size_t bufsz);
 int strtime_iso(const time_t *t, int flags, char *buf, size_t bufsz);
 
 #define UL_SHORTTIME_THISYEAR_HHMM (1 << 1)
diff --git a/lib/timeutils.c b/lib/timeutils.c
index 34c7c8dafe..1dafd9d638 100644
--- a/lib/timeutils.c
+++ b/lib/timeutils.c
@@ -448,7 +448,7 @@ int get_gmtoff(const struct tm *tp)
 #endif
 }
 
-static int format_iso_time(struct tm *tm, suseconds_t usec, int flags, char *buf, size_t bufsz)
+static int format_iso_time(const struct tm *tm, suseconds_t usec, int flags, char *buf, size_t bufsz)
 {
 	char *p = buf;
 	int len;
@@ -509,7 +509,7 @@ static int format_iso_time(struct tm *tm, suseconds_t usec, int flags, char *buf
 }
 
 /* timeval to ISO 8601 */
-int strtimeval_iso(struct timeval *tv, int flags, char *buf, size_t bufsz)
+int strtimeval_iso(const struct timeval *tv, int flags, char *buf, size_t bufsz)
 {
 	struct tm tm;
 	struct tm *rc;
@@ -527,7 +527,7 @@ int strtimeval_iso(struct timeval *tv, int flags, char *buf, size_t bufsz)
 }
 
 /* struct tm to ISO 8601 */
-int strtm_iso(struct tm *tm, int flags, char *buf, size_t bufsz)
+int strtm_iso(const struct tm *tm, int flags, char *buf, size_t bufsz)
 {
 	return format_iso_time(tm, 0, flags, buf, bufsz);
 }