[OE-core] [PATCH 1/1] bc: fix segmentation fault

[Khem Raj]

On Aug 19, 2013, at 7:20 PM, Kai Kang <kai.kang at windriver.com> wrote:

> When run 'bc -l', it segmentation faults. Apply patch from BLFS to fix it.
> 
> Ref:
> http://www.mail-archive.com/blfs-support@linuxfromscratch.org/msg04601.html
> 
> Signed-off-by: Kai Kang <kai.kang at windriver.com>
> ---
> meta/recipes-extended/bc/bc_1.06.bb                |  3 ++-
> .../bc/files/fix-segment-fault.patch               | 28 ++++++++++++++++++++++
> 2 files changed, 30 insertions(+), 1 deletion(-)
> create mode 100644 meta/recipes-extended/bc/files/fix-segment-fault.patch
> 
> diff --git a/meta/recipes-extended/bc/bc_1.06.bb b/meta/recipes-extended/bc/bc_1.06.bb
> index fe9c3f4..4b28fad 100644
> --- a/meta/recipes-extended/bc/bc_1.06.bb
> +++ b/meta/recipes-extended/bc/bc_1.06.bb
> @@ -13,7 +13,8 @@ SECTION = "base"
> DEPENDS = "flex"
> PR = "r2"
> 
> -SRC_URI = "${GNU_MIRROR}/bc/bc-${PV}.tar.gz"
> +SRC_URI = "${GNU_MIRROR}/bc/bc-${PV}.tar.gz \
> +           file://fix-segment-fault.patch "
> 
> SRC_URI[md5sum] = "d44b5dddebd8a7a7309aea6c36fda117"
> SRC_URI[sha256sum] = "4ef6d9f17c3c0d92d8798e35666175ecd3d8efac4009d6457b5c99cea72c0e33"
> diff --git a/meta/recipes-extended/bc/files/fix-segment-fault.patch b/meta/recipes-extended/bc/files/fix-segment-fault.patch
> new file mode 100644
> index 0000000..20c0da2
> --- /dev/null
> +++ b/meta/recipes-extended/bc/files/fix-segment-fault.patch
> @@ -0,0 +1,28 @@
> +Upstream-Status: Pending
> +
> +when run command such as 'echo "a = 13" | bc -l', it segmentation faults.
> +This patch is from http://www.mail-archive.com/blfs-support@linuxfromscratch.org/msg04602.html.
> +
> +Signed-off-by: Kai Kang <kai.kang at windriver.com>
> +
> +--- bc-1.06/lib/number.c.orig	2003-09-26 21:14:02.000000000 +0000
> ++++ bc-1.06/lib/number.c	2003-09-26 21:14:26.000000000 +0000
> +@@ -34,6 +34,7 @@
> + #include <number.h>
> + #include <assert.h>
> + #include <stdlib.h>
> ++#include <string.h>

what does adding this include file fix ?

> + #include <ctype.h>/* Prototypes needed for external utility routines. */
> + 
> + #define bc_rt_warn rt_warn
> +--- bc-1.06/bc/load.c.orig	2003-09-26 21:14:14.000000000 +0000
> ++++ bc-1.06/bc/load.c	2003-09-26 21:14:26.000000000 +0000
> +@@ -156,7 +156,7 @@
> +   long  label_no;
> +   long  vaf_name;	/* variable, array or function number. */
> +   long  func;
> +-  program_counter save_adr;
> ++  static program_counter save_adr;
> + 
> +   /* Initialize. */
> +   str = code;
> -- 
> 1.8.1.2
> 
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