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Some more strncpy checks.
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@ -1,5 +1,5 @@
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/* Test for string function add boundaries of usable memory.
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Copyright (C) 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
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Copyright (C) 1996,1997,1999,2000,2001,2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
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@ -192,7 +192,25 @@ main (int argc, char *argv[])
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}
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}
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/* strncpy test */
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/* strncpy tests */
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adr[size-1] = 'T';
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for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
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{
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size_t len;
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for (len = 0; len < size - outer; ++len)
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{
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if (strncpy (dest, &adr[outer], len) != dest
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|| memcmp (dest, &adr[outer], len) != 0)
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{
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printf ("outer strncpy flunked for outer = %d, len = %Zd\n",
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outer, len);
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result = 1;
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}
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}
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}
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adr[size-1] = '\0';
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for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
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{
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for (inner = MAX (outer, size - 64); inner < size; ++inner)
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@ -213,6 +231,16 @@ main (int argc, char *argv[])
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outer, inner, len);
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result = 1;
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}
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if (strncpy (dest + 1, &adr[outer], len) != dest + 1
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|| memcmp (dest + 1, &adr[outer],
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MIN (inner - outer, len)) != 0
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|| (inner - outer < len
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&& strlen (dest + 1) != (inner - outer)))
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{
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printf ("strncpy+1 flunked for outer = %d, inner = %d, len = %Zd\n",
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outer, inner, len);
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result = 1;
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}
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}
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adr[inner] = 'T';
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