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 + * Copyright (c) 1998, 2015 Todd C. Miller * * 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; + /* 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(s)); - while (*s != '\0') { - if (n != 1) { - *d++ = *s; + 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 */ diff --git a/strlcpy.c b/strlcpy.c index 30a260c..75d7d4a 100644 --- a/strlcpy.c +++ b/strlcpy.c @@ -1,7 +1,7 @@ -/* $OpenBSD: strlcpy.c,v 1.10 2005/08/08 08:05:37 espie Exp $ */ +/* $OpenBSD: strlcpy.c,v 1.12 2015/01/15 03:54:12 millert Exp $ */ /* - * Copyright (c) 1998 Todd C. Miller + * Copyright (c) 1998, 2015 Todd C. Miller * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -25,34 +25,33 @@ #ifndef HAVE_STRLCPY /* - * 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. + * Copy string src to buffer dst of size dsize. At most dsize-1 + * chars will be copied. Always NUL terminates (unless dsize == 0). + * Returns strlen(src); if retval >= dsize, truncation occurred. */ size_t -strlcpy(char *dst, const char *src, size_t siz) +strlcpy(char *dst, const char *src, size_t dsize) { - char *d = dst; - const char *s = src; - size_t n = siz; + const char *osrc = src; + size_t nleft = dsize; - /* Copy as many bytes as will fit */ - if (n != 0 && --n != 0) { - do { - if ((*d++ = *s++) == 0) + /* Copy as many bytes as will fit. */ + if (nleft != 0) { + while (--nleft != 0) { + if ((*dst++ = *src++) == '\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++) + /* Not enough room in dst, add NUL and traverse rest of src. */ + if (nleft == 0) { + if (dsize != 0) + *dst = '\0'; /* NUL-terminate dst */ + while (*src++) ; } - return(s - src - 1); /* count does not include NUL */ + return(src - osrc - 1); /* count does not include NUL */ } #endif /* !HAVE_STRLCPY */ diff --git a/strtonum.c b/strtonum.c index c51c624..cdd26b6 100644 --- a/strtonum.c +++ b/strtonum.c @@ -1,4 +1,4 @@ -/* $OpenBSD: strtonum.c,v 1.6 2004/08/03 19:38:01 millert Exp $ */ +/* $OpenBSD: strtonum.c,v 1.7 2013/04/17 18:40:58 tedu Exp $ */ /* * Copyright (c) 2004 Ted Unangst and Todd Miller @@ -20,21 +20,21 @@ /* OPENBSD ORIGINAL: lib/libc/stdlib/strtonum.c */ #ifndef HAVE_STRTONUM -#include -#include #include +#include +#include -#define INVALID 1 -#define TOOSMALL 2 -#define TOOLARGE 3 +#define INVALID 1 +#define TOOSMALL 2 +#define TOOLARGE 3 long long strtonum(const char *numstr, long long minval, long long maxval, const char **errstrp) { long long ll = 0; - char *ep; int error = 0; + char *ep; struct errval { const char *errstr; int err; @@ -47,9 +47,9 @@ strtonum(const char *numstr, long long minval, long long maxval, ev[0].err = errno; errno = 0; - if (minval > maxval) + if (minval > maxval) { error = INVALID; - else { + } else { ll = strtoll(numstr, &ep, 10); if (numstr == ep || *ep != '\0') error = INVALID;