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79 lines
1.8 KiB
C++
79 lines
1.8 KiB
C++
// https://gist.github.com/Fonger/98cc95ac39fbe1a7e4d9
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#include <cstddef>
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#include <cstdlib>
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#include <cstring>
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extern "C"
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{
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#ifdef STRLCAT_MISSING
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// '_cups_strlcat()' - Safely concatenate two strings.
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size_t /* O - Length of string */
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strlcat(char* dst, /* O - Destination string */
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const char* src, /* I - Source string */
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size_t size) /* I - Size of destination string buffer */
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{
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size_t srclen; /* Length of source string */
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size_t dstlen; /* Length of destination string */
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// Figure out how much room is left...
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dstlen = strlen(dst);
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size -= dstlen + 1;
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if (!size)
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{
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return (dstlen); /* No room, return immediately... */
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}
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// Figure out how much room is needed...
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srclen = strlen(src);
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// Copy the appropriate amount...
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if (srclen > size)
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{
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srclen = size;
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}
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memcpy(dst + dstlen, src, srclen);
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dst[dstlen + srclen] = '\0';
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return (dstlen + srclen);
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}
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#endif /* STRLCAT_MISSING */
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#ifdef STRLCPY_MISSING
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// '_cups_strlcpy()' - Safely copy two strings.
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size_t /* O - Length of string */
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strlcpy(char* dst, /* O - Destination string */
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const char* src, /* I - Source string */
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size_t size) /* I - Size of destination string buffer */
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{
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size_t srclen; /* Length of source string */
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// Figure out how much room is needed...
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size--;
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srclen = strlen(src);
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// Copy the appropriate amount...
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if (srclen > size)
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{
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srclen = size;
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}
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memcpy(dst, src, srclen);
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dst[srclen] = '\0';
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return (srclen);
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}
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#endif /* STRLCPY_MISSING */
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} // extern "C"
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