Merge branch 'master' of git+ssh://vda@busybox.net/var/lib/git/busybox

3 files changed, 16 insertions, 33 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 90680e849..f581b5bdf 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -36,16 +36,11 @@
 
 #define JOBS ENABLE_ASH_JOB_CONTROL
 
-#if DEBUG
-# ifndef _GNU_SOURCE
-#  define _GNU_SOURCE
-# endif
-#endif
-
 #include "busybox.h" /* for applet_names */
 #include <paths.h>
 #include <setjmp.h>
 #include <fnmatch.h>
+#include <sys/times.h>
 
 #include "shell_common.h"
 #include "math.h"
@@ -7251,6 +7246,7 @@ tryexec(IF_FEATURE_SH_STANDALONE(int applet_no,) char *cmd, char **argv, char **
 #if ENABLE_FEATURE_SH_STANDALONE
 	if (applet_no >= 0) {
 		if (APPLET_IS_NOEXEC(applet_no)) {
+			clearenv();
 			while (*envp)
 				putenv(*envp++);
 			run_applet_no_and_exit(applet_no, argv);
@@ -7310,7 +7306,7 @@ shellexec(char **argv, const char *path, int idx)
 #endif
 
 	clearredir(/*drop:*/ 1);
-	envp = listvars(VEXPORT, VUNSET, 0);
+	envp = listvars(VEXPORT, VUNSET, /*end:*/ NULL);
 	if (strchr(argv[0], '/') != NULL
 #if ENABLE_FEATURE_SH_STANDALONE
 	 || (applet_no = find_applet_by_name(argv[0])) >= 0
@@ -12468,7 +12464,7 @@ unsetfunc(const char *name)
 	struct tblentry *cmdp;
 
 	cmdp = cmdlookup(name, 0);
-	if (cmdp!= NULL && cmdp->cmdtype == CMDFUNCTION)
+	if (cmdp != NULL && cmdp->cmdtype == CMDFUNCTION)
 		delete_cmd_entry();
 }
 
@@ -12485,7 +12481,7 @@ unsetcmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
 	int flag = 0;
 	int ret = 0;
 
-	while ((i = nextopt("vf")) != '\0') {
+	while ((i = nextopt("vf")) != 0) {
 		flag = i;
 	}
 
@@ -12502,11 +12498,6 @@ unsetcmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
 	return ret & 1;
 }
 
-
-/*      setmode.c      */
-
-#include <sys/times.h>
-
 static const unsigned char timescmd_str[] ALIGN1 = {
 	' ',  offsetof(struct tms, tms_utime),
 	'\n', offsetof(struct tms, tms_stime),
@@ -12514,11 +12505,10 @@ static const unsigned char timescmd_str[] ALIGN1 = {
 	'\n', offsetof(struct tms, tms_cstime),
 	0
 };
-
 static int FAST_FUNC
 timescmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
 {
-	long clk_tck, s, t;
+	unsigned long clk_tck, s, t;
 	const unsigned char *p;
 	struct tms buf;
 
@@ -12529,18 +12519,20 @@ timescmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
 	do {
 		t = *(clock_t *)(((char *) &buf) + p[1]);
 		s = t / clk_tck;
-		out1fmt("%ldm%ld.%.3lds%c",
-			s/60, s%60,
-			((t - s * clk_tck) * 1000) / clk_tck,
+		t = t % clk_tck;
+		out1fmt("%lum%lu.%03lus%c",
+			s / 60, s % 60,
+			(t * 1000) / clk_tck,
 			p[0]);
-	} while (*(p += 2));
+		p += 2;
+	} while (*p);
 
 	return 0;
 }
 
 #if ENABLE_SH_MATH_SUPPORT
 /*
- * The let builtin. partial stolen from GNU Bash, the Bourne Again SHell.
+ * The let builtin. Partially stolen from GNU Bash, the Bourne Again SHell.
  * Copyright (C) 1987, 1989, 1991 Free Software Foundation, Inc.
  *
  * Copyright (C) 2003 Vladimir Oleynik <dzo@simtreas.ru>
@@ -12559,18 +12551,6 @@ letcmd(int argc UNUSED_PARAM, char **argv)
 
 	return !i;
 }
-#endif /* SH_MATH_SUPPORT */
-
-
-/* ============ miscbltin.c
- *
- * Miscellaneous builtins.
- */
-
-#undef rflag
-
-#if defined(__GLIBC__) && __GLIBC__ == 2 && __GLIBC_MINOR__ < 1
-typedef enum __rlimit_resource rlim_t;
 #endif
 
 /*
diff --git a/shell/ash_test/ash-standalone/var_standalone1.right b/shell/ash_test/ash-standalone/var_standalone1.right
new file mode 100644
index 000000000..37457fd74
--- /dev/null
+++ b/shell/ash_test/ash-standalone/var_standalone1.right
@@ -0,0 +1 @@
+Done: 1
diff --git a/shell/ash_test/ash-standalone/var_standalone1.tests b/shell/ash_test/ash-standalone/var_standalone1.tests
new file mode 100755
index 000000000..1e905ba75
--- /dev/null
+++ b/shell/ash_test/ash-standalone/var_standalone1.tests
@@ -0,0 +1,2 @@
+VAR=42 $THIS_SH -c 'unset VAR; env | grep ^VAR'
+echo Done: $?