diff options
Diffstat (limited to 'package/busybox/0003-ash-recursive-heredocs.patch')
| -rw-r--r-- | package/busybox/0003-ash-recursive-heredocs.patch | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/package/busybox/0003-ash-recursive-heredocs.patch b/package/busybox/0003-ash-recursive-heredocs.patch new file mode 100644 index 0000000000..f054a90375 --- /dev/null +++ b/package/busybox/0003-ash-recursive-heredocs.patch @@ -0,0 +1,84 @@ +From 4194c2875310c13ee3ca2bb0e1aea6a2ae67c55a Mon Sep 17 00:00:00 2001 +From: Ron Yorston <rmy@pobox.com> +Date: Thu, 29 Oct 2015 16:44:56 +0000 +Subject: [PATCH] ash: fix error during recursive processing of here document + +Save the value of the checkkwd flag to prevent it being clobbered +during recursion. + +Based on commit ec2c84d from git://git.kernel.org/pub/scm/utils/dash/dash.git +by Herbert Xu. + +function old new delta +readtoken 190 203 +13 +------------------------------------------------------------------------------ +(add/remove: 0/0 grow/shrink: 1/0 up/down: 13/0) Total: 13 bytes + +Signed-off-by: Ron Yorston <rmy@pobox.com> +Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> +Signed-off-by: Mike Frysinger <vapier@gentoo.org> +(cherry picked from commit 713f07d906d9171953be0c12e2369869855b6ca6) +Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar> +--- + shell/ash.c | 5 +++-- + shell/ash_test/ash-heredoc/heredoc3.right | 1 + + shell/ash_test/ash-heredoc/heredoc3.tests | 9 +++++++++ + 3 files changed, 13 insertions(+), 2 deletions(-) + create mode 100644 shell/ash_test/ash-heredoc/heredoc3.right + create mode 100755 shell/ash_test/ash-heredoc/heredoc3.tests + +diff --git a/shell/ash.c b/shell/ash.c +index 8a1628e..256e933 100644 +--- a/shell/ash.c ++++ b/shell/ash.c +@@ -11893,6 +11893,7 @@ static int + readtoken(void) + { + int t; ++ int kwd = checkkwd; + #if DEBUG + smallint alreadyseen = tokpushback; + #endif +@@ -11906,7 +11907,7 @@ readtoken(void) + /* + * eat newlines + */ +- if (checkkwd & CHKNL) { ++ if (kwd & CHKNL) { + while (t == TNL) { + parseheredoc(); + t = xxreadtoken(); +@@ -11920,7 +11921,7 @@ readtoken(void) + /* + * check for keywords + */ +- if (checkkwd & CHKKWD) { ++ if (kwd & CHKKWD) { + const char *const *pp; + + pp = findkwd(wordtext); +diff --git a/shell/ash_test/ash-heredoc/heredoc3.right b/shell/ash_test/ash-heredoc/heredoc3.right +new file mode 100644 +index 0000000..ce01362 +--- /dev/null ++++ b/shell/ash_test/ash-heredoc/heredoc3.right +@@ -0,0 +1 @@ ++hello +diff --git a/shell/ash_test/ash-heredoc/heredoc3.tests b/shell/ash_test/ash-heredoc/heredoc3.tests +new file mode 100755 +index 0000000..96c227c +--- /dev/null ++++ b/shell/ash_test/ash-heredoc/heredoc3.tests +@@ -0,0 +1,9 @@ ++echo hello >greeting ++cat <<EOF && ++$(cat greeting) ++EOF ++{ ++ echo $? ++ cat greeting ++} >/dev/null ++rm greeting +-- +2.7.4 + |
