53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
/* strlcpy( char *, const char *, size_t )
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This file is part of the Public Domain C Library (PDCLib).
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Permission is granted to use, modify, and / or redistribute at will.
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*/
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#include <string.h>
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#ifndef REGTEST
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#pragma weak strlcpy = _PDCLIB_strlcpy
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size_t _PDCLIB_strlcpy(
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char *restrict dst,
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const char *restrict src,
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size_t dstsize);
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size_t _PDCLIB_strlcpy(
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char *restrict dst,
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const char *restrict src,
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size_t dstsize)
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{
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size_t needed = 0;
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while(needed < dstsize && (dst[needed] = src[needed]))
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needed++;
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while(src[needed++]);
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if (needed > dstsize && dstsize)
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dst[dstsize - 1] = 0;
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return needed;
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}
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#endif
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#ifdef TEST
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#include "_PDCLIB_test.h"
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int main( void )
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{
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#ifndef REGTEST
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char destbuf[10];
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#endif
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TESTCASE_NOREG( strlcpy(NULL, "a", 0) == 2 );
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TESTCASE_NOREG( strlcpy(destbuf, "a", 10) == 2 );
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TESTCASE_NOREG( strcmp(destbuf, "a") == 0 );
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TESTCASE_NOREG( strlcpy(destbuf, "helloworld", 10) == 11 );
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TESTCASE_NOREG( strcmp(destbuf, "helloworl") == 0 );
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return TEST_RESULTS;
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}
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#endif
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