use bounded string op

This commit is contained in:
itojun 2003-08-06 13:36:53 +00:00
parent 7f01f184d4
commit cad152ee49
7 changed files with 48 additions and 40 deletions

View File

@ -1,4 +1,4 @@
/* $NetBSD: ch.c,v 1.3 1998/02/04 11:08:41 christos Exp $ */
/* $NetBSD: ch.c,v 1.4 2003/08/06 13:36:53 itojun Exp $ */
/*
* Copyright (c) 1988 Mark Nudleman
@ -39,7 +39,7 @@
#if 0
static char sccsid[] = "@(#)ch.c 8.1 (Berkeley) 6/6/93";
#else
__RCSID("$NetBSD: ch.c,v 1.3 1998/02/04 11:08:41 christos Exp $");
__RCSID("$NetBSD: ch.c,v 1.4 2003/08/06 13:36:53 itojun Exp $");
#endif
#endif /* not lint */
@ -407,8 +407,8 @@ ch_init(want_nbufs, keep)
* If we don't have ANY, then quit.
* Otherwise, just report the error and return.
*/
(void)sprintf(message, "cannot allocate %d buffers",
want_nbufs - nbufs);
(void)snprintf(message, sizeof(message),
"cannot allocate %d buffers", want_nbufs - nbufs);
error(message);
if (nbufs == 0)
quit();

View File

@ -1,4 +1,4 @@
/* $NetBSD: command.c,v 1.6 2001/01/04 16:17:14 lukem Exp $ */
/* $NetBSD: command.c,v 1.7 2003/08/06 13:36:54 itojun Exp $ */
/*
* Copyright (c) 1988 Mark Nudleman
@ -39,7 +39,7 @@
#if 0
static char sccsid[] = "@(#)command.c 8.1 (Berkeley) 6/6/93";
#else
__RCSID("$NetBSD: command.c,v 1.6 2001/01/04 16:17:14 lukem Exp $");
__RCSID("$NetBSD: command.c,v 1.7 2003/08/06 13:36:54 itojun Exp $");
#endif
#endif /* not lint */
@ -185,19 +185,22 @@ prompt()
putstr(current_name);
putstr(":");
if (!ispipe) {
(void)sprintf(pbuf, " file %d/%d", curr_ac + 1, ac);
(void)snprintf(pbuf, sizeof(pbuf), " file %d/%d",
curr_ac + 1, ac);
putstr(pbuf);
}
if (linenums) {
(void)sprintf(pbuf, " line %d", currline(BOTTOM));
(void)snprintf(pbuf, sizeof(pbuf), " line %d",
currline(BOTTOM));
putstr(pbuf);
}
if ((pos = position(BOTTOM)) != NULL_POSITION) {
(void)sprintf(pbuf, " byte %lld", (long long)pos);
(void)snprintf(pbuf, sizeof(pbuf), " byte %lld",
(long long)pos);
putstr(pbuf);
if (!ispipe && (len = ch_length())) {
(void)sprintf(pbuf, "/%lld pct %lld%%",
(long long)len,
(void)snprintf(pbuf, sizeof(pbuf),
"/%lld pct %lld%%", (long long)len,
(long long)((100 * pos) / len));
putstr(pbuf);
}
@ -219,7 +222,7 @@ prompt()
else if (!ispipe &&
(pos = position(BOTTOM)) != NULL_POSITION &&
(len = ch_length())) {
(void)sprintf(pbuf, " (%lld%%)",
(void)snprintf(pbuf, sizeof(pbuf), " (%lld%%)",
(long long)((100 * pos) / len));
putstr(pbuf);
}
@ -593,9 +596,10 @@ editfile()
dolinenumber = 0;
}
if (dolinenumber && (c = currline(MIDDLE)))
(void)sprintf(buf, "%s +%d %s", editor, c, current_file);
(void)snprintf(buf, sizeof(buf), "%s +%d %s", editor, c,
current_file);
else
(void)sprintf(buf, "%s %s", editor, current_file);
(void)snprintf(buf, sizeof(buf), "%s %s", editor, current_file);
lsystem(buf);
}

View File

@ -1,4 +1,4 @@
/* $NetBSD: help.c,v 1.3 1998/02/04 11:08:49 christos Exp $ */
/* $NetBSD: help.c,v 1.4 2003/08/06 13:36:54 itojun Exp $ */
/*
* Copyright (c) 1988 Mark Nudleman
@ -39,7 +39,7 @@
#if 0
static char sccsid[] = "@(#)help.c 8.1 (Berkeley) 6/6/93";
#else
__RCSID("$NetBSD: help.c,v 1.3 1998/02/04 11:08:49 christos Exp $");
__RCSID("$NetBSD: help.c,v 1.4 2003/08/06 13:36:54 itojun Exp $");
#endif
#endif /* not lint */
@ -55,6 +55,6 @@ help()
{
char cmd[MAXPATHLEN + 20];
(void)sprintf(cmd, "-more %s", _PATH_HELPFILE);
(void)snprintf(cmd, sizeof(cmd), "-more %s", _PATH_HELPFILE);
lsystem(cmd);
}

View File

@ -1,4 +1,4 @@
/* $NetBSD: main.c,v 1.4 1998/02/04 11:08:57 christos Exp $ */
/* $NetBSD: main.c,v 1.5 2003/08/06 13:36:54 itojun Exp $ */
/*
* Copyright (c) 1988 Mark Nudleman
@ -46,7 +46,7 @@ __COPYRIGHT(
#if 0
static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/7/93";
#else
__RCSID("$NetBSD: main.c,v 1.4 1998/02/04 11:08:57 christos Exp $");
__RCSID("$NetBSD: main.c,v 1.5 2003/08/06 13:36:54 itojun Exp $");
#endif
#endif /* not lint */
@ -125,7 +125,8 @@ edit(filename)
return(0);
}
else if ((f = open(filename, O_RDONLY, 0)) < 0) {
(void)sprintf(message, "%s: %s", filename, strerror(errno));
(void)snprintf(message, sizeof(message), "%s: %s", filename,
strerror(errno));
error(message);
free(filename);
return(0);
@ -335,13 +336,13 @@ save(s)
{
char *p;
p = malloc((u_int)strlen(s)+1);
p = strdup(s);
if (p == NULL)
{
error("cannot allocate memory");
quit();
}
return(strcpy(p, s));
return(p);
}
/*

View File

@ -1,4 +1,4 @@
/* $NetBSD: os.c,v 1.4 1998/02/04 11:09:01 christos Exp $ */
/* $NetBSD: os.c,v 1.5 2003/08/06 13:36:54 itojun Exp $ */
/*
* Copyright (c) 1988 Mark Nudleman
@ -39,7 +39,7 @@
#if 0
static char sccsid[] = "@(#)os.c 8.1 (Berkeley) 6/6/93";
#else
__RCSID("$NetBSD: os.c,v 1.4 1998/02/04 11:09:01 christos Exp $");
__RCSID("$NetBSD: os.c,v 1.5 2003/08/06 13:36:54 itojun Exp $");
#endif
#endif /* not lint */
@ -134,7 +134,8 @@ lsystem(cmd)
cmd = shell;
else
{
(void)sprintf(cmdbuf, "%s -c \"%s\"", shell, cmd);
(void)snprintf(cmdbuf, sizeof(cmdbuf), "%s -c \"%s\"",
shell, cmd);
cmd = cmdbuf;
}
}
@ -212,6 +213,7 @@ glob(filename)
int ch;
char *cmd;
static char buffer[MAXPATHLEN];
size_t l;
if (filename[0] == '#')
return (filename);
@ -226,26 +228,24 @@ glob(filename)
/*
* Read the output of <echo filename>.
*/
cmd = malloc((u_int)(strlen(filename)+8));
asprintf(&cmd, "echo \"%s\"", filename);
if (cmd == NULL)
return (filename);
(void)sprintf(cmd, "echo \"%s\"", filename);
} else
{
/*
* Read the output of <$SHELL -c "echo filename">.
*/
cmd = malloc((u_int)(strlen(p)+12));
asprintf(&cmd, "%s -c \"echo %s\"", p, filename);
if (cmd == NULL)
return (filename);
(void)sprintf(cmd, "%s -c \"echo %s\"", p, filename);
}
if ((f = popen(cmd, "r")) == NULL)
return (filename);
free(cmd);
for (p = buffer; p < &buffer[sizeof(buffer)-1]; p++)
for (p = buffer; p < &buffer[sizeof(buffer)-1]; p++)
{
if ((ch = getc(f)) == '\n' || ch == EOF)
break;
@ -264,14 +264,15 @@ bad_file(filename, message, len)
struct stat statbuf;
if (stat(filename, &statbuf) < 0) {
(void)sprintf(message, "%s: %s", filename, strerror(errno));
(void)snprintf(message, len, "%s: %s", filename,
strerror(errno));
return(message);
}
if ((statbuf.st_mode & S_IFMT) == S_IFDIR) {
static char is_dir[] = " is a directory";
strtcpy(message, filename, (int)(len-sizeof(is_dir)-1));
(void)strcat(message, is_dir);
(void)strlcat(message, is_dir, len);
return(message);
}
return((char *)NULL);

View File

@ -1,4 +1,4 @@
/* $NetBSD: prim.c,v 1.6 2001/08/20 12:00:47 wiz Exp $ */
/* $NetBSD: prim.c,v 1.7 2003/08/06 13:36:54 itojun Exp $ */
/*
* Copyright (c) 1988 Mark Nudleman
@ -39,7 +39,7 @@
#if 0
static char sccsid[] = "@(#)prim.c 8.1 (Berkeley) 6/6/93";
#else
__RCSID("$NetBSD: prim.c,v 1.6 2001/08/20 12:00:47 wiz Exp $");
__RCSID("$NetBSD: prim.c,v 1.7 2003/08/06 13:36:54 itojun Exp $");
#endif
#endif /* not lint */
@ -697,7 +697,7 @@ search(search_forward, pattern, n, wantmatch)
pattern = last_pattern;
} else
{
(void)strcpy(lpbuf, pattern);
(void)strlcpy(lpbuf, pattern, sizeof(lpbuf));
last_pattern = lpbuf;
}
#endif

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@ -1,4 +1,4 @@
/* $NetBSD: screen.c,v 1.4 1998/02/04 11:09:10 christos Exp $ */
/* $NetBSD: screen.c,v 1.5 2003/08/06 13:36:54 itojun Exp $ */
/*
* Copyright (c) 1988 Mark Nudleman
@ -39,7 +39,7 @@
#if 0
static char sccsid[] = "@(#)screen.c 8.2 (Berkeley) 4/20/94";
#else
__RCSID("$NetBSD: screen.c,v 1.4 1998/02/04 11:09:10 christos Exp $");
__RCSID("$NetBSD: screen.c,v 1.5 2003/08/06 13:36:54 itojun Exp $");
#endif
#endif /* not lint */
@ -263,7 +263,7 @@ get_term()
if ((term = getenv("TERM")) == NULL)
term = "unknown";
if (tgetent(termbuf, term) <= 0)
(void)strcpy(termbuf, "dumb:co#80:hc:");
(void)strlcpy(termbuf, "dumb:co#80:hc:", sizeof(termbuf));
/*
* Get size of the screen.
@ -400,7 +400,8 @@ get_term()
* No "home" string,
* but we can use "move(0,0)".
*/
(void)strcpy(sp, tgoto(sc_move, 0, 0));
(void)strlcpy(sp, tgoto(sc_move, 0, 0),
sizeof(sbuf) - (sp - sbuf));
sc_home = sp;
sp += strlen(sp) + 1;
}
@ -418,7 +419,8 @@ get_term()
* No "lower-left" string,
* but we can use "move(0,last-line)".
*/
(void)strcpy(sp, tgoto(sc_move, 0, sc_height-1));
(void)strlcpy(sp, tgoto(sc_move, 0, sc_height-1),
sizeof(sbuf) - (sp - sbuf));
sc_lower_left = sp;
sp += strlen(sp) + 1;
}