diff options
Diffstat (limited to 'pack.c')
| -rw-r--r-- | pack.c | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -943,13 +943,14 @@ static const char b64_table[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; static void -encodes(VALUE str, const char *s, long len, int type, int tail_lf) +encodes(VALUE str, const char *s0, long len, int type, int tail_lf) { enum {buff_size = 4096, encoded_unit = 4, input_unit = 3}; char buff[buff_size + 1]; /* +1 for tail_lf */ long i = 0; const char *const trans = type == 'u' ? uu_table : b64_table; char padding; + const unsigned char *s = (const unsigned char *)s0; if (type == 'u') { buff[i++] = (char)len + ' '; @@ -1362,7 +1363,7 @@ pack_unpack(VALUE str, VALUE fmt) t = RSTRING_PTR(bitstr); for (i=0; i<len; i++) { if (i & 7) bits <<= 1; - else bits = *s++; + else bits = (unsigned char)*s++; *t++ = (bits & 128) ? '1' : '0'; } } @@ -1406,7 +1407,7 @@ pack_unpack(VALUE str, VALUE fmt) if (i & 1) bits <<= 4; else - bits = *s++; + bits = (unsigned char)*s++; *t++ = hexdigits[(bits >> 4) & 15]; } } |