diff options
Diffstat (limited to 'usr.bin/mg/basic.c')
| -rw-r--r-- | usr.bin/mg/basic.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/usr.bin/mg/basic.c b/usr.bin/mg/basic.c index bb2e6b81245..e99ef337551 100644 --- a/usr.bin/mg/basic.c +++ b/usr.bin/mg/basic.c @@ -1,4 +1,4 @@ -/* $OpenBSD: basic.c,v 1.8 2002/02/13 22:36:58 vincent Exp $ */ +/* $OpenBSD: basic.c,v 1.9 2002/02/14 22:50:43 vincent Exp $ */ /* * Basic cursor motion commands. @@ -462,9 +462,21 @@ gotoline(f, n) char buf[32]; if (!(f & FFARG)) { + char *tmp; + if ((s = ereply("Goto line: ", buf, sizeof(buf))) != TRUE) return s; - n = atoi(buf); + errno = 0; + n = strtol(buf, &tmp, 10); + if (buf[0] == '\0' || *tmp != '\0') { + ewprintf("Invalid number"); + return FALSE; + } + if ((errno == ERANGE && (n == LONG_MAX || n == LONG_MIN)) || + (n > INT_MAX || n < INT_MIN)) { + ewprintf("Out of range"); + return FALSE; + } } if (n >= 0) { clp = lforw(curbp->b_linep); /* "clp" is first line */ |