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replace hand-rolled number parser with strtonum

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original report by Collin Funk
ok bluhm, millert
This commit is contained in:
op 2024-08-26 21:34:32 +00:00
parent 28472285aa
commit 259ea3b8ea
1 changed files with 6 additions and 15 deletions
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21
usr.bin/telnet/commands.c
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@ -1,4 +1,4 @@
/* $OpenBSD: commands.c,v 1.88 2022/12/26 19:16:03 jmc Exp $ */
/* $OpenBSD: commands.c,v 1.89 2024/08/26 21:34:32 op Exp $ */
/* $NetBSD: commands.c,v 1.14 1996/03/24 22:03:48 jtk Exp $ */
/*
@ -358,6 +358,7 @@ send_tncmd(void (*func)(int, int), char *cmd, char *name)
{
char **cpp;
extern char *telopts[];
const char *errstr;
int val = 0;
if (isprefix(name, "help") || isprefix(name, "?")) {
@ -389,20 +390,10 @@ send_tncmd(void (*func)(int, int), char *cmd, char *name)
if (cpp) {
val = cpp - telopts;
} else {
char *cp = name;
while (*cp >= '0' && *cp <= '9') {
val *= 10;
val += *cp - '0';
cp++;
}
if (*cp != 0) {
fprintf(stderr, "'%s': unknown argument ('send %s ?' for help).\r\n",
name, cmd);
return 0;
} else if (val < 0 || val > 255) {
fprintf(stderr, "'%s': bad value ('send %s ?' for help).\r\n",
name, cmd);
val = strtonum(name, 0, 255, &errstr);
if (errstr) {
fprintf(stderr, "'%s': %s ('send %s ?' for help).\r\n",
name, errstr, cmd);
return 0;
}
}