[pushed] Avoid use of sprintf in gdb/utils.c:make_hex_string

Message ID 1418484583-18492-1-git-send-email-brobecker@adacore.com
State Committed
Headers

Commit Message

Joel Brobecker Dec. 13, 2014, 3:29 p.m. UTC
  The use of sprintf is discouraged in GDB. Use xsnprintf instead.

gdb/ChangeLog:

        * utils.c (make_hex_string): Replace use of sprintf by use of
        xsnprintf.

Tested on x86_64-linux and pushed.

---
 gdb/ChangeLog | 5 +++++
 gdb/utils.c   | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)
  

Comments

Doug Evans Dec. 13, 2014, 6:09 p.m. UTC | #1
On Sat, Dec 13, 2014 at 7:29 AM, Joel Brobecker <brobecker@adacore.com> wrote:
> The use of sprintf is discouraged in GDB. Use xsnprintf instead.
>
> gdb/ChangeLog:
>
>         * utils.c (make_hex_string): Replace use of sprintf by use of
>         xsnprintf.
>
> Tested on x86_64-linux and pushed.
>
> ---
>  gdb/ChangeLog | 5 +++++
>  gdb/utils.c   | 2 +-
>  2 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/gdb/ChangeLog b/gdb/ChangeLog
> index ac916de..c12de3a 100644
> --- a/gdb/ChangeLog
> +++ b/gdb/ChangeLog
> @@ -1,5 +1,10 @@
>  2014-12-13  Joel Brobecker  <brobecker@adacore.com>
>
> +       * utils.c (make_hex_string): Replace use of sprintf by use of
> +       xsnprintf.
> +
> +2014-12-13  Joel Brobecker  <brobecker@adacore.com>
> +
>         * compile/compile-object-load.c (link_callbacks_multiple_definition)
>         (link_callbacks_warning, link_callbacks_einfo): Remove trailing
>         newline at end of warning message.
> diff --git a/gdb/utils.c b/gdb/utils.c
> index 1ab183c..ea2b18a 100644
> --- a/gdb/utils.c
> +++ b/gdb/utils.c
> @@ -1124,7 +1124,7 @@ make_hex_string (const gdb_byte *data, size_t length)
>
>    p = result;
>    for (i = 0; i < length; ++i)
> -    p += sprintf (p, "%02x", data[i]);
> +    p += xsnprintf (p, 2, "%02x", data[i]);
>    *p = '\0';
>    return result;
>  }

twas on my todo list.  Thanks!
  

Patch

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index ac916de..c12de3a 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@ 
 2014-12-13  Joel Brobecker  <brobecker@adacore.com>
 
+	* utils.c (make_hex_string): Replace use of sprintf by use of
+	xsnprintf.
+
+2014-12-13  Joel Brobecker  <brobecker@adacore.com>
+
 	* compile/compile-object-load.c (link_callbacks_multiple_definition)
 	(link_callbacks_warning, link_callbacks_einfo): Remove trailing
 	newline at end of warning message.
diff --git a/gdb/utils.c b/gdb/utils.c
index 1ab183c..ea2b18a 100644
--- a/gdb/utils.c
+++ b/gdb/utils.c
@@ -1124,7 +1124,7 @@  make_hex_string (const gdb_byte *data, size_t length)
 
   p = result;
   for (i = 0; i < length; ++i)
-    p += sprintf (p, "%02x", data[i]);
+    p += xsnprintf (p, 2, "%02x", data[i]);
   *p = '\0';
   return result;
 }