diff options
Diffstat (limited to 'src/pj_internal.c')
| -rw-r--r-- | src/pj_internal.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/pj_internal.c b/src/pj_internal.c index f3ca3566..31c299ac 100644 --- a/src/pj_internal.c +++ b/src/pj_internal.c @@ -167,6 +167,53 @@ void proj_context_inherit (PJ *parent, PJ *child) { +size_t pj_strlcpy(char *dst, const char *src, size_t siz) { +/******************************************************************* + 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. + + + * 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. + + Source: http://www.i-pi.com/Training/EthicalHacking/Solutions/strlcpy.c + +********************************************************************/ + register char *d = dst; + register const char *s = src; + register size_t n = siz; + + /* Copy as many bytes as will fit */ + if (n != 0 && --n != 0) { + do { + if ((*d++ = *s++) == 0) + break; + } while (--n != 0); + } + + /* 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 */ +} + /* stuff below is *not* considered API, and will be moved to an "internal plumbing toolset" */ |
