diff options
Diffstat (limited to 'gdb/gdbserver/hostio.c')
| -rw-r--r-- | gdb/gdbserver/hostio.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/gdb/gdbserver/hostio.c b/gdb/gdbserver/hostio.c index d2b5a71..c621edf 100644 --- a/gdb/gdbserver/hostio.c +++ b/gdb/gdbserver/hostio.c @@ -96,22 +96,27 @@ static int require_int (char **pp, int *value) { char *p; - int count; + int count, firstdigit; p = *pp; *value = 0; count = 0; + firstdigit = -1; while (*p && *p != ',') { int nib; - /* Don't allow overflow. */ - if (count >= 7) + if (safe_fromhex (p[0], &nib)) return -1; - if (safe_fromhex (p[0], &nib)) + if (firstdigit == -1) + firstdigit = nib; + + /* Don't allow overflow. */ + if (count >= 8 || (count == 7 && firstdigit >= 0x8)) return -1; + *value = *value * 16 + nib; p++; count++; |