make a copy, mktime.3 modifies the tm struct

SCCS-vsn: lib/libc/string/strftime.c 5.10

diff --git a/usr/src/lib/libc/string/strftime.c b/usr/src/lib/libc/string/strftime.c
index f7f04af..a45ab2d 100644 (file)
--- a/usr/src/lib/libc/string/strftime.c
+++ b/usr/src/lib/libc/string/strftime.c
@@ -6,7 +6,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)

-static char sccsid[] = "@(#)strftime.c 5.9 (Berkeley) %G%";
+static char sccsid[] = "@(#)strftime.c 5.10 (Berkeley) %G%";

 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>


@@ -226,8 +226,11 @@ _secs(t)
        static char buf[15];
        register time_t s;
        register char *p;
        static char buf[15];
        register time_t s;
        register char *p;

+       struct tm tmp;

 
 

-       s = mktime(t);
+       /* Make a copy, mktime(3) modifies the tm struct. */
+       tmp = *t;
+       s = mktime(&tmp);

        for (p = buf + sizeof(buf) - 2; s > 0 && p > buf; s /= 10)
                *p-- = s % 10 + '0';
        return(_add(++p));
        for (p = buf + sizeof(buf) - 2; s > 0 && p > buf; s /= 10)
                *p-- = s % 10 + '0';
        return(_add(++p));