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authorUlrich Drepper <drepper@redhat.com>2001-02-21 15:39:07 +0000
committerUlrich Drepper <drepper@redhat.com>2001-02-21 15:39:07 +0000
commit1999031e0438e50a8037d2e3022a55c4db94637a (patch)
treebcc41208d3d12f040cccea381f8ab94196f7a712
parentb85b1334458711657a4cbea0bf2954936d67a4a4 (diff)
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Update.
2001-02-21 Ulrich Drepper <drepper@redhat.com> * sysdeps/i386/i686/strtok.S: Continue to return NULL after the first time this happened. 2001-02-21 Andreas Jaeger <aj@suse.de> * string/tst-strtok.c: New testcase, reported by Andrew Church <achurch@achurch.org>.
-rw-r--r--ChangeLog10
-rw-r--r--string/tst-strtok.c23
-rw-r--r--sysdeps/i386/i686/strtok.S4
3 files changed, 36 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 9b9f2e945c..c09932b8af 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2001-02-21 Ulrich Drepper <drepper@redhat.com>
+
+ * sysdeps/i386/i686/strtok.S: Continue to return NULL after the
+ first time this happened.
+
+2001-02-21 Andreas Jaeger <aj@suse.de>
+
+ * string/tst-strtok.c: New testcase, reported by
+ Andrew Church <achurch@achurch.org>.
+
2001-02-20 Ulrich Drepper <drepper@redhat.com>
* libio/iofwide.c: Remove fwide alias.
diff --git a/string/tst-strtok.c b/string/tst-strtok.c
new file mode 100644
index 0000000000..ed3400d820
--- /dev/null
+++ b/string/tst-strtok.c
@@ -0,0 +1,23 @@
+/* Testcase for strtok reported by Andrew Church <achurch@achurch.org>. */
+#include <stdio.h>
+#include <string.h>
+
+int
+main (void)
+{
+ char buf[1] = { 0 };
+ int result = 0;
+
+ if (strtok (buf, " ") != NULL)
+ {
+ puts ("first strtok call did return NULL");
+ result = 1;
+ }
+ else if (strtok (NULL, " ") != NULL)
+ {
+ puts ("second strtok call did return NULL");
+ result = 1;
+ }
+
+ return result;
+}
diff --git a/sysdeps/i386/i686/strtok.S b/sysdeps/i386/i686/strtok.S
index a982a4aa49..e21b5f65e6 100644
--- a/sysdeps/i386/i686/strtok.S
+++ b/sysdeps/i386/i686/strtok.S
@@ -1,6 +1,6 @@
/* strtok (str, delim) -- Return next DELIM separated token from STR.
For Intel 80686.
- Copyright (C) 1998, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1998, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
@@ -123,6 +123,8 @@ ENTRY (BP_SYM (FUNCTION))
the last run. */
cmpl $0, %edx
cmove %eax, %edx
+ testl %edx, %edx
+ jz L(returnNULL)
#if __BOUNDED_POINTERS__
# ifdef USE_AS_STRTOK_R
movl SAVE(%esp), %ecx /* borrow %ecx for a moment */