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update imported str*.c

This commit is contained in:
Christian Neukirchen 2015-01-24 19:04:46 +01:00
parent b7a8c11750
commit 976d77c76d
3 changed files with 51 additions and 52 deletions
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46
strlcat.c
View File

@ -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;
/* 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 */

39
strlcpy.c
View File

@ -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 <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
@ -25,34 +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 */

18
strtonum.c
View File

@ -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 <stdlib.h>
#include <limits.h>
#include <errno.h>
#include <limits.h>
#include <stdlib.h>
#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;