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* [binutils-gdb] Simplify print_sys_errmsg
@ 2019-11-01 16:40 Tom Tromey
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From: Tom Tromey @ 2019-11-01 16:40 UTC (permalink / raw)
To: gdb-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=5df96a4e6e8f1521274acb5beb54063c35aeec6e
commit 5df96a4e6e8f1521274acb5beb54063c35aeec6e
Author: Tom Tromey <tromey@adacore.com>
Date: Thu Oct 31 16:46:16 2019 -0600
Simplify print_sys_errmsg
On irc, Christian pointed out that print_sys_errmsg could be
simplified by avoiding alloca entirely. This patch implements this.
gdb/ChangeLog
2019-11-01 Tom Tromey <tromey@adacore.com>
* utils.c (print_sys_errmsg): Simplify.
Change-Id: Ic399dade274ea61b63ef0540b3a3be2f0f80160a
Diff:
---
gdb/ChangeLog | 4 ++++
gdb/utils.c | 7 +------
2 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 500c486..34e332b 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,9 @@
2019-11-01 Tom Tromey <tromey@adacore.com>
+ * utils.c (print_sys_errmsg): Simplify.
+
+2019-11-01 Tom Tromey <tromey@adacore.com>
+
* gdbsupport/mingw-strerror.c (safe_strerror): Constify result.
2019-11-01 Christian Biesinger <cbiesinger@google.com>
diff --git a/gdb/utils.c b/gdb/utils.c
index e06eedd..f7fae35 100644
--- a/gdb/utils.c
+++ b/gdb/utils.c
@@ -629,15 +629,10 @@ void
print_sys_errmsg (const char *string, int errcode)
{
const char *err = safe_strerror (errcode);
- char *combined = (char *) alloca (strlen (err) + strlen (string) + 3);
- strcpy (combined, string);
- strcat (combined, ": ");
- strcat (combined, err);
-
/* We want anything which was printed on stdout to come out first, before
this message. */
gdb_flush (gdb_stdout);
- fprintf_unfiltered (gdb_stderr, "%s.\n", combined);
+ fprintf_unfiltered (gdb_stderr, "%s: %s.\n", string, err);
}
/* Control C eventually causes this to be called, at a convenient time. */
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2019-11-01 16:40 [binutils-gdb] Simplify print_sys_errmsg Tom Tromey
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