Wladimir J. van der Laan
12 years ago
7 changed files with 30 additions and 129 deletions
@ -1,90 +0,0 @@ |
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/*
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* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#ifndef BITCOIN_STRLCPY_H |
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#define BITCOIN_STRLCPY_H |
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#include <stdlib.h> |
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#include <string.h> |
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/*
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* Copy src to string dst of size siz. At most siz-1 characters |
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* will be copied. Always NUL terminates (unless siz == 0). |
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* Returns strlen(src); if retval >= siz, truncation occurred. |
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*/ |
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inline size_t strlcpy(char *dst, const char *src, size_t siz) |
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{ |
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char *d = dst; |
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const char *s = src; |
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size_t n = siz; |
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/* Copy as many bytes as will fit */ |
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if (n != 0) |
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{ |
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while (--n != 0) |
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{ |
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if ((*d++ = *s++) == '\0') |
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break; |
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} |
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} |
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/* Not enough room in dst, add NUL and traverse rest of src */ |
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if (n == 0) |
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{ |
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if (siz != 0) |
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*d = '\0'; /* NUL-terminate dst */ |
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while (*s++) |
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; |
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} |
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return(s - src - 1); /* count does not include NUL */ |
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} |
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/*
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* Appends src to string dst of size siz (unlike strncat, siz is the |
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* full size of dst, not space left). At most siz-1 characters |
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* will be copied. Always NUL terminates (unless siz <= strlen(dst)). |
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* Returns strlen(src) + MIN(siz, strlen(initial dst)). |
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* If retval >= siz, truncation occurred. |
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*/ |
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inline size_t strlcat(char *dst, const char *src, size_t siz) |
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{ |
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char *d = dst; |
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const char *s = src; |
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size_t n = siz; |
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size_t dlen; |
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/* Find the end of dst and adjust bytes left but don't go past end */ |
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while (n-- != 0 && *d != '\0') |
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d++; |
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dlen = d - dst; |
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n = siz - dlen; |
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if (n == 0) |
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return(dlen + strlen(s)); |
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while (*s != '\0') |
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{ |
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if (n != 1) |
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{ |
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*d++ = *s; |
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n--; |
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} |
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s++; |
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} |
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*d = '\0'; |
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return(dlen + (s - src)); /* count does not include NUL */ |
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} |
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#endif |
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