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gzip: use "unsigned" type for bit fields and bit counts

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This does not change any logic, those values should always be positive.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-01-30 23:53:38 +01:00
parent 6ba6a6f28e
commit d7500f856d
1 changed files with 4 additions and 4 deletions
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8
archival/gzip.c
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@ -363,7 +363,7 @@ struct globals {
/* Number of bits used within bi_buf. (bi_buf might be implemented on
* more than 16 bits on some systems.)
*/
int bi_valid;
unsigned bi_valid;
#ifdef DEBUG
ulg bits_sent; /* bit length of the compressed data */
@ -520,10 +520,10 @@ static unsigned file_read(void *buf, unsigned size)
* Send a value on a given number of bits.
* IN assertion: length <= 16 and value fits in length bits.
*/
static void send_bits(int value, int length)
static void send_bits(unsigned value, unsigned length)
{
unsigned new_buf;
int remain;
unsigned remain;
#ifdef DEBUG
Tracev((stderr, " l %2d v %4x ", length, value));
@ -548,7 +548,7 @@ static void send_bits(int value, int length)
} else { /* 16 */
put_16bit(new_buf);
}
new_buf = (unsigned) value >> remain;
new_buf = value >> remain;
length -= BUF_SIZE;
}
G1.bi_buf = new_buf;