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87 lines
1.7 KiB
C++
87 lines
1.7 KiB
C++
// https://gist.github.com/Fonger/98cc95ac39fbe1a7e4d9
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#ifndef HAVE_STRLCAT
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/*
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'_cups_strlcat()' - Safely concatenate two strings.
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*/
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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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/*
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Figure out how much room is left...
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*/
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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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/*
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Figure out how much room is needed...
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*/
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srclen = strlen(src);
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/*
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Copy the appropriate amount...
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*/
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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 /* !HAVE_STRLCAT */
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#ifndef HAVE_STRLCPY
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/*
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'_cups_strlcpy()' - Safely copy two strings.
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*/
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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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/*
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Figure out how much room is needed...
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*/
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size --;
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srclen = strlen(src);
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/*
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Copy the appropriate amount...
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*/
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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 /* !HAVE_STRLCPY */
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