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-rw-r--r--string/Makefile2
-rw-r--r--string/strsignal.c93
-rw-r--r--string/tst-inlcall.c76
3 files changed, 163 insertions, 8 deletions
diff --git a/string/Makefile b/string/Makefile
index 5b11a58..93d68a4 100644
--- a/string/Makefile
+++ b/string/Makefile
@@ -42,7 +42,7 @@ routines := strcat strchr strcmp strcoll strcpy strcspn \
strcoll_l strxfrm_l
tests := tester inl-tester noinl-tester testcopy test-ffs \
- tst-strlen stratcliff tst-svc
+ tst-strlen stratcliff tst-svc tst-inlcall
distribute := memcopy.h pagecopy.h tst-svc.expect
diff --git a/string/strsignal.c b/string/strsignal.c
index 69629b7..41585dc 100644
--- a/string/strsignal.c
+++ b/string/strsignal.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -18,7 +18,9 @@
#include <signal.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
+#include <bits/libc-lock.h>
#ifndef HAVE_GNU_LD
@@ -27,23 +29,100 @@
/* Defined in siglist.c. */
extern const char *const _sys_siglist[];
+static __libc_key_t key;
+
+/* If nonzero the key allocation failed and we should better use a
+ static buffer than fail. */
+#define BUFFERSIZ 100
+static char local_buf[BUFFERSIZ];
+static char *static_buf;
+
+/* Destructor for the thread-specific data. */
+static void init (void);
+static void free_key_mem (void *mem);
+static char *getbuffer (void);
/* Return a string describing the meaning of the signal number SIGNUM. */
char *
strsignal (int signum)
{
+ __libc_once_define (static, once);
const char *desc;
- if (signum < 0 || signum > NSIG || (desc = _sys_siglist[signum]) == NULL)
+ /* If we have not yet initialized the buffer do it now. */
+ __libc_once (once, init);
+
+ if (
+#ifdef SIGRTMIN
+ (signum >= SIGRTMIN && signum <= SIGRTMAX) ||
+#endif
+ signum < 0 || signum > NSIG || (desc = _sys_siglist[signum]) == NULL)
{
- static char buf[512];
- int len = __snprintf (buf, sizeof buf, _("Unknown signal %d"), signum);
+ char *buffer = getbuffer ();
+ int len = __snprintf (buffer, BUFFERSIZ - 1,
+#ifdef SIGRTMIN
+ signum >= SIGRTMIN && signum <= SIGRTMAX
+ ? _("Real-time signal %d") :
+#endif
+ _("Unknown signal %d"), signum);
if (len < 0)
- return NULL;
- buf[len - 1] = '\0';
- return buf;
+ buffer = NULL;
+ else
+ buffer[len] = '\0';
+
+ return buffer;
}
return (char *) _(desc);
}
+
+
+/* Initialize buffer. */
+static void
+init (void)
+{
+ if (__libc_key_create (&key, free_key_mem))
+ /* Creating the key failed. This means something really went
+ wrong. In any case use a static buffer which is better than
+ nothing. */
+ static_buf = local_buf;
+}
+
+
+/* Free the thread specific data, this is done if a thread terminates. */
+static void
+free_key_mem (void *mem)
+{
+ free (mem);
+ __libc_setspecific (key, NULL);
+}
+
+
+/* Return the buffer to be used. */
+static char *
+getbuffer (void)
+{
+ char *result;
+
+ if (static_buf != NULL)
+ result = static_buf;
+ else
+ {
+ /* We don't use the static buffer and so we have a key. Use it
+ to get the thread-specific buffer. */
+ result = __libc_getspecific (key);
+ if (result == NULL)
+ {
+ /* No buffer allocated so far. */
+ result = malloc (BUFFERSIZ);
+ if (result == NULL)
+ /* No more memory available. We use the static buffer. */
+ result = local_buf;
+ else
+ __libc_setspecific (key, result);
+ }
+ }
+
+ return result;
+}
diff --git a/string/tst-inlcall.c b/string/tst-inlcall.c
new file mode 100644
index 0000000..3682e88
--- /dev/null
+++ b/string/tst-inlcall.c
@@ -0,0 +1,76 @@
+/* Tester for calling inline string functions.
+ Copyright (C) 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
+/* Make sure we test the optimized inline functions. */
+#define __USE_STRING_INLINES 1
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <fcntl.h>
+
+
+int
+main (void)
+{
+ int status;
+ int errors = 0;
+ char buf1[1000];
+ char *cp;
+ char ch;
+
+ cp = strcpy (buf1, "hello world");
+ if (strcmp ("hello world", cp++) != 0)
+ {
+ puts ("strcmp test 1 failed");
+ ++errors;
+ }
+
+ cp = buf1;
+ if (strcmp (cp++, "hello world") != 0)
+ {
+ puts ("strcmp test 2 failed");
+ ++errors;
+ }
+
+ ch = 'h';
+ if (strchr ("hello world", ch++) == NULL)
+ {
+ puts ("strchr test 1 failed");
+ ++errors;
+ }
+
+ if (errors == 0)
+ {
+ status = EXIT_SUCCESS;
+ puts ("No errors.");
+ }
+ else
+ {
+ status = EXIT_FAILURE;
+ printf ("%Zd errors.\n", errors);
+ }
+ exit (status);
+}