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author | Christian Neukirchen <chneukirchen@gmail.com> | 2015-01-24 19:04:46 +0100 |
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committer | Christian Neukirchen <chneukirchen@gmail.com> | 2015-01-24 19:04:46 +0100 |
commit | 976d77c76d72e19aa50929b56bb94ae914eee968 (patch) | |
tree | f4021d3a66443851a12a0c9da477fee66ca76d28 /strlcat.c | |
parent | b7a8c11750d11721a897fdb8442d52f15e7a24a0 (diff) | |
download | cwm-976d77c76d72e19aa50929b56bb94ae914eee968.tar.gz cwm-976d77c76d72e19aa50929b56bb94ae914eee968.tar.xz cwm-976d77c76d72e19aa50929b56bb94ae914eee968.zip |
update imported str*.c
Diffstat (limited to 'strlcat.c')
-rw-r--r-- | strlcat.c | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/strlcat.c b/strlcat.c index 6e28e87..d94dae1 100644 --- a/strlcat.c +++ b/strlcat.c @@ -1,7 +1,7 @@ -/* $OpenBSD: strlcat.c,v 1.13 2005/08/08 08:05:37 espie Exp $ */ +/* $OpenBSD: strlcat.c,v 1.14 2015/01/15 03:54:12 millert Exp $ */ /* - * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> + * Copyright (c) 1998, 2015 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 @@ -25,38 +25,38 @@ #ifndef HAVE_STRLCAT /* - * 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)). + * Appends src to string dst of size dsize (unlike strncat, dsize is the + * full size of dst, not space left). At most dsize-1 characters + * will be copied. Always NUL terminates (unless dsize <= strlen(dst)). + * Returns strlen(src) + MIN(dsize, strlen(initial dst)). * If retval >= siz, truncation occurred. */ size_t -strlcat(char *dst, const char *src, size_t siz) +strlcat(char *dst, const char *src, size_t dsize) { - char *d = dst; - const char *s = src; - size_t n = siz; + const char *odst = dst; + const char *osrc = src; + size_t n = dsize; 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; + /* Find the end of dst and adjust bytes left but don't go past end. */ + while (n-- != 0 && *dst != '\0') + dst++; + dlen = dst - odst; + n = dsize - dlen; + + if (n-- == 0) + return(dlen + strlen(src)); + while (*src != '\0') { + if (n != 0) { + *dst++ = *src; n--; } - s++; + src++; } - *d = '\0'; + *dst = '\0'; - return(dlen + (s - src)); /* count does not include NUL */ + return(dlen + (src - osrc)); /* count does not include NUL */ } #endif /* !HAVE_STRLCAT */ |