24fb0f88ed
While at it, beef up the test suite for strnlen and add performance tests for it, too.
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/* Make sure we don't test the optimized inline functions if we want to
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test the real implementation. */
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#undef __USE_STRING_INLINES
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#include <stdio.h>
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#include <string.h>
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int
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main(int argc, char *argv[])
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{
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static const size_t lens[] = { 0, 1, 0, 2, 0, 1, 0, 3,
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0, 1, 0, 2, 0, 1, 0, 4 };
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char basebuf[24 + 32];
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size_t base;
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for (base = 0; base < 32; ++base)
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{
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char *buf = basebuf + base;
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size_t words;
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for (words = 0; words < 4; ++words)
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{
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size_t last;
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memset (buf, 'a', words * 4);
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for (last = 0; last < 16; ++last)
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{
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buf[words * 4 + 0] = (last & 1) != 0 ? 'b' : '\0';
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buf[words * 4 + 1] = (last & 2) != 0 ? 'c' : '\0';
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buf[words * 4 + 2] = (last & 4) != 0 ? 'd' : '\0';
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buf[words * 4 + 3] = (last & 8) != 0 ? 'e' : '\0';
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buf[words * 4 + 4] = '\0';
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if (strlen (buf) != words * 4 + lens[last])
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{
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printf ("\
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strlen failed for base=%Zu, words=%Zu, and last=%Zu (is %zd, expected %zd)\n",
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base, words, last,
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strlen (buf), words * 4 + lens[last]);
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return 1;
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}
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if (strnlen (buf, -1) != words * 4 + lens[last])
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{
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printf ("\
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strnlen failed for base=%Zu, words=%Zu, and last=%Zu (is %zd, expected %zd)\n",
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base, words, last,
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strnlen (buf, -1), words * 4 + lens[last]);
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return 1;
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}
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}
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}
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}
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return 0;
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}
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