diff options
Diffstat (limited to 'gnu/usr.bin/gzip/unpack.c')
-rw-r--r-- | gnu/usr.bin/gzip/unpack.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/gnu/usr.bin/gzip/unpack.c b/gnu/usr.bin/gzip/unpack.c index a0ef286..b62d810 100644 --- a/gnu/usr.bin/gzip/unpack.c +++ b/gnu/usr.bin/gzip/unpack.c @@ -12,7 +12,6 @@ static char rcsid[] = "$FreeBSD$"; #include "gzip.h" #include "crypt.h" -#define MIN(a,b) ((a) <= (b) ? (a) : (b)) /* The arguments must not have side effects. */ #define MAX_BITLEN 25 @@ -132,7 +131,7 @@ local void read_tree() /* Remember where the literals of this length start in literal[] : */ lit_base[len] = base; /* And read the literals: */ - for (n = leaves[len]; n > 0; n--) { + for (n = leaves[len]; n > 0 && base < LITERALS; n--) { literal[base++] = (uch)get_byte(); } } @@ -168,7 +167,7 @@ local void build_tree() prefixp = &prefix_len[1<<peek_bits]; for (len = 1; len <= peek_bits; len++) { int prefixes = leaves[len] << (peek_bits-len); /* may be 0 */ - while (prefixes--) *--prefixp = (uch)len; + while (prefixes-- && prefixp > prefix_len) *--prefixp = (uch)len; } /* The length of all other codes is unknown: */ while (prefixp > prefix_len) *--prefixp = 0; |