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