package/busybox: add 3 upstream fixes, bump release number
SVN-Revision: 20904
This commit is contained in:
Nicolas Thill
parent
f1eb6dd095
commit
6b9e04991d
4 changed files with 190 additions and 1 deletions
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@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
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PKG_NAME:=busybox
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PKG_VERSION:=1.16.1
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PKG_RELEASE:=2
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PKG_RELEASE:=3
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PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
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PKG_SOURCE_URL:=http://www.busybox.net/downloads \
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27
package/busybox/patches/000-upstream-dnsd.patch
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27
package/busybox/patches/000-upstream-dnsd.patch
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@ -0,0 +1,27 @@
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--- a/include/platform.h
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+++ b/include/platform.h
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@@ -291,10 +291,12 @@ typedef unsigned smalluint;
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#if 1 /* if needed: !defined(arch1) && !defined(arch2) */
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# define ALIGN1 __attribute__((aligned(1)))
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# define ALIGN2 __attribute__((aligned(2)))
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+# define ALIGN4 __attribute__((aligned(4)))
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#else
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/* Arches which MUST have 2 or 4 byte alignment for everything are here */
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# define ALIGN1
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# define ALIGN2
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+# define ALIGN4
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#endif
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--- a/networking/dnsd.c
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+++ b/networking/dnsd.c
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@@ -459,7 +459,8 @@ int dnsd_main(int argc UNUSED_PARAM, cha
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unsigned lsa_size;
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int udps, opts;
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uint16_t port = 53;
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- uint8_t buf[MAX_PACK_LEN + 1];
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+ /* Ensure buf is 32bit aligned (we need 16bit, but 32bit can't hurt) */
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+ uint8_t buf[MAX_PACK_LEN + 1] ALIGN4;
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opts = getopt32(argv, "vi:c:t:p:d", &listen_interface, &fileconf, &sttl, &sport);
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//if (opts & 0x1) // -v
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151
package/busybox/patches/000-upstream-hwclock.patch
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151
package/busybox/patches/000-upstream-hwclock.patch
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@ -0,0 +1,151 @@
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--- a/util-linux/hwclock.c
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+++ b/util-linux/hwclock.c
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@@ -109,10 +109,53 @@ static void to_sys_clock(const char **pp
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static void from_sys_clock(const char **pp_rtcname, int utc)
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{
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-#define TWEAK_USEC 200
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- struct tm tm_time;
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+#if 1
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struct timeval tv;
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+ struct tm tm_time;
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+ int rtc;
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+
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+ rtc = rtc_xopen(pp_rtcname, O_WRONLY);
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+ gettimeofday(&tv, NULL);
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+ /* Prepare tm_time */
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+ if (sizeof(time_t) == sizeof(tv.tv_sec)) {
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+ if (utc)
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+ gmtime_r((time_t*)&tv.tv_sec, &tm_time);
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+ else
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+ localtime_r((time_t*)&tv.tv_sec, &tm_time);
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+ } else {
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+ time_t t = tv.tv_sec;
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+ if (utc)
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+ gmtime_r(&t, &tm_time);
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+ else
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+ localtime_r(&t, &tm_time);
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+ }
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+#else
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+/* Bloated code which tries to set hw clock with better precision.
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+ * On x86, even though code does set hw clock within <1ms of exact
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+ * whole seconds, apparently hw clock (at least on some machines)
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+ * doesn't reset internal fractional seconds to 0,
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+ * making all this a pointless excercise.
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+ */
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+ /* If we see that we are N usec away from whole second,
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+ * we'll sleep for N-ADJ usecs. ADJ corrects for the fact
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+ * that CPU is not infinitely fast.
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+ * On infinitely fast CPU, next wakeup would be
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+ * on (exactly_next_whole_second - ADJ). On real CPUs,
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+ * this difference between current time and whole second
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+ * is less than ADJ (assuming system isn't heavily loaded).
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+ */
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+ /* Small value of 256us gives very precise sync for 2+ GHz CPUs.
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+ * Slower CPUs will fail to sync and will go to bigger
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+ * ADJ values. qemu-emulated armv4tl with ~100 MHz
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+ * performance ends up using ADJ ~= 4*1024 and it takes
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+ * 2+ secs (2 tries with successively larger ADJ)
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+ * to sync. Even straced one on the same qemu (very slow)
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+ * takes only 4 tries.
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+ */
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+#define TWEAK_USEC 256
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unsigned adj = TWEAK_USEC;
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+ struct tm tm_time;
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+ struct timeval tv;
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int rtc = rtc_xopen(pp_rtcname, O_WRONLY);
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/* Try to catch the moment when whole second is close */
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@@ -124,55 +167,64 @@ static void from_sys_clock(const char **
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t = tv.tv_sec;
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rem_usec = 1000000 - tv.tv_usec;
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- if (rem_usec < 1024) {
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- /* Less than 1ms to next second. Good enough */
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+ if (rem_usec < adj) {
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+ /* Close enough */
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small_rem:
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t++;
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}
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- /* Prepare tm */
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+ /* Prepare tm_time from t */
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if (utc)
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gmtime_r(&t, &tm_time); /* may read /etc/xxx (it takes time) */
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else
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localtime_r(&t, &tm_time); /* same */
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- tm_time.tm_isdst = 0;
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+
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+ if (adj >= 32*1024) {
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+ break; /* 32 ms diff and still no luck?? give up trying to sync */
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+ }
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/* gmtime/localtime took some time, re-get cur time */
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gettimeofday(&tv, NULL);
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- if (tv.tv_sec < t /* may happen if rem_usec was < 1024 */
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- || (tv.tv_sec == t && tv.tv_usec < 1024)
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+ if (tv.tv_sec < t /* we are still in old second */
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+ || (tv.tv_sec == t && tv.tv_usec < adj) /* not too far into next second */
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) {
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- /* We are not too far into next second. Good. */
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- break;
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- }
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- adj += 32; /* 2^(10-5) = 2^5 = 32 iterations max */
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- if (adj >= 1024) {
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- /* Give up trying to sync */
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- break;
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+ break; /* good, we are in sync! */
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}
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- /* Try to sync up by sleeping */
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rem_usec = 1000000 - tv.tv_usec;
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- if (rem_usec < 1024) {
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- goto small_rem; /* already close, don't sleep */
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+ if (rem_usec < adj) {
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+ t = tv.tv_sec;
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+ goto small_rem; /* already close to next sec, don't sleep */
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}
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- /* Need to sleep.
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- * Note that small adj on slow processors can make us
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- * to always overshoot tv.tv_usec < 1024 check on next
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- * iteration. That's why adj is increased on each iteration.
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- * This also allows it to be reused as a loop limiter.
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- */
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- usleep(rem_usec - adj);
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- }
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- xioctl(rtc, RTC_SET_TIME, &tm_time);
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+ /* Try to sync up by sleeping */
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+ usleep(rem_usec - adj);
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- /* Debug aid to find "good" TWEAK_USEC.
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+ /* Jump to 1ms diff, then increase fast (x2): EVERY loop
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+ * takes ~1 sec, people won't like slowly converging code here!
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+ */
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+ //bb_error_msg("adj:%d tv.tv_usec:%d", adj, (int)tv.tv_usec);
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+ if (adj < 512)
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+ adj = 512;
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+ /* ... and if last "overshoot" does not look insanely big,
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+ * just use it as adj increment. This makes convergence faster.
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+ */
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+ if (tv.tv_usec < adj * 8) {
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+ adj += tv.tv_usec;
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+ continue;
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+ }
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+ adj *= 2;
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+ }
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+ /* Debug aid to find "optimal" TWEAK_USEC with nearly exact sync.
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* Look for a value which makes tv_usec close to 999999 or 0.
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- * for 2.20GHz Intel Core 2: TWEAK_USEC ~= 200
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+ * For 2.20GHz Intel Core 2: optimal TWEAK_USEC ~= 200
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*/
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- //bb_error_msg("tv.tv_usec:%d adj:%d", (int)tv.tv_usec, adj);
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+ //bb_error_msg("tv.tv_usec:%d", (int)tv.tv_usec);
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+#endif
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+
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+ tm_time.tm_isdst = 0;
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+ xioctl(rtc, RTC_SET_TIME, &tm_time);
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if (ENABLE_FEATURE_CLEAN_UP)
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close(rtc);
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11
package/busybox/patches/000-upstream-indexcgi.patch
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11
package/busybox/patches/000-upstream-indexcgi.patch
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@ -0,0 +1,11 @@
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--- a/networking/httpd_indexcgi.c
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+++ b/networking/httpd_indexcgi.c
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@@ -315,7 +315,7 @@ int main(int argc, char *argv[])
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if (S_ISREG(cdir->dl_mode))
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fmt_ull(cdir->dl_size);
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fmt_str("<td class=dt>");
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- tm = gmtime(&cdir->dl_mtime);
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+ ptm = gmtime(&cdir->dl_mtime);
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fmt_04u(1900 + ptm->tm_year); *dst++ = '-';
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fmt_02u(ptm->tm_mon + 1); *dst++ = '-';
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fmt_02u(ptm->tm_mday); *dst++ = ' ';
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