ppc: add configure check for older compilers erroring on 'd' constraint

[musl] / src / time / __tz.c

diff --git a/src/time/__tz.c b/src/time/__tz.c
index 8cc9603..185642e 100644 (file)
--- a/src/time/__tz.c
+++ b/src/time/__tz.c
@@ -3,7 +3,9 @@
 #include <limits.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/mman.h>
 #include "libc.h"
+#include "lock.h"
 
 long  __timezone = 0;
 int   __daylight = 0;
@@ -27,7 +29,7 @@ static char old_tz_buf[32];
 static char *old_tz = old_tz_buf;
 static size_t old_tz_size = sizeof old_tz_buf;
 
-static volatile int lock[2];
+static volatile int lock[1];
 
 static int getint(const char **p)
 {
@@ -113,8 +115,6 @@ static size_t zi_dotprod(const unsigned char *z, const unsigned char *v, size_t
        return y;
 }
 
-int __munmap(void *, size_t);
-
 static void do_tzset()
 {
        char buf[NAME_MAX+25], *pathname=buf+24;
@@ -130,6 +130,8 @@ static void do_tzset()
 
        if (old_tz && !strcmp(s, old_tz)) return;
 
+       for (i=0; i<5; i++) r0[i] = r1[i] = 0;
+
        if (zi) __munmap((void *)zi, map_size);
 
        /* Cache the old value of TZ to check if it has changed. Avoid
@@ -194,7 +196,6 @@ static void do_tzset()
                        const unsigned char *p;
                        __tzname[0] = __tzname[1] = 0;
                        __daylight = __timezone = dst_off = 0;
-                       for (i=0; i<5; i++) r0[i] = r1[i] = 0;
                        for (p=types; p<abbrevs; p+=6) {
                                if (!p[4] && !__tzname[0]) {
                                        __tzname[0] = (char *)abbrevs + p[5];
@@ -230,7 +231,7 @@ static void do_tzset()
                        dst_off = __timezone - 3600;
        } else {
                __daylight = 0;
-               dst_off = 0;
+               dst_off = __timezone;
        }
 
        if (*s == ',') s++, getrule(&s, r0);
@@ -399,7 +400,7 @@ dst:
        UNLOCK(lock);
 }
 
-void __tzset()
+static void __tzset()
 {
        LOCK(lock);
        do_tzset();