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authorUlrich Drepper <drepper@redhat.com>2003-09-09 20:15:17 +0000
committerUlrich Drepper <drepper@redhat.com>2003-09-09 20:15:17 +0000
commit2036b767dd60813df266647ab1e23159f5043706 (patch)
treea7ad57b706291a07bec430d639656a1f80e4c7a2 /string/stratcliff.c
parent4af35571fb0335347c263f2446c1f2fa6de28f49 (diff)
downloadglibc-2036b767dd60813df266647ab1e23159f5043706.zip
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(main): Check memccpy.
Diffstat (limited to 'string/stratcliff.c')
-rw-r--r--string/stratcliff.c39
1 files changed, 38 insertions, 1 deletions
diff --git a/string/stratcliff.c b/string/stratcliff.c
index 9b0e421..6377c6e 100644
--- a/string/stratcliff.c
+++ b/string/stratcliff.c
@@ -1,5 +1,5 @@
/* Test for string function add boundaries of usable memory.
- Copyright (C) 1996,1997,1999,2000,2001,2002 Free Software Foundation, Inc.
+ Copyright (C) 1996,1997,1999-2002,2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -306,6 +306,43 @@ main (int argc, char *argv[])
outer, inner);
result = 1;
}
+
+ /* memccpy test */
+ memset (adr, '\0', size);
+ for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
+ for (inner = 0; inner < size - outer; ++inner)
+ if (memccpy (dest, &adr[outer], '\1', inner) != NULL)
+ {
+ printf ("memccpy flunked full copy for outer = %d, inner = %d\n",
+ outer, inner);
+ result = 1;
+ }
+ for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
+ for (middle = 0; middle < size - outer; ++middle)
+ {
+ memset (dest, '\2', middle + 1);
+ for (inner = 0; inner < middle; ++inner)
+ {
+ adr[outer + inner] = '\1';
+
+ if (memccpy (dest, &adr[outer], '\1', middle + 128)
+ != dest + inner + 1)
+ {
+ printf ("\
+memccpy flunked partial copy for outer = %d, middle = %d, inner = %d\n",
+ outer, middle, inner);
+ result = 1;
+ }
+ else if (dest[inner + 1] != '\2')
+ {
+ printf ("\
+memccpy copied too much for outer = %d, middle = %d, inner = %d\n",
+ outer, middle, inner);
+ result = 1;
+ }
+ adr[outer + inner] = '\0';
+ }
+ }
}
return result;