linux-master/lib/inflate.c

233 #define NEXTBYTE()  ({ int v = get_byte(); if (v < 0) goto underrun; (uch)v; })
234 #define NEEDBITS(n) {while(k<(n)){b|=((ulg)NEXTBYTE())<<k;k+=8;}}
1203     magic[0] = NEXTBYTE();
1204     magic[1] = NEXTBYTE();
1205     method   = NEXTBYTE();
1232     NEXTBYTE();	/* Get timestamp */
1233     NEXTBYTE();
1234     NEXTBYTE();
1235     NEXTBYTE();
1237     (void)NEXTBYTE();  /* Ignore extra flags for the moment */
1238     (void)NEXTBYTE();  /* Ignore OS type for the moment */
1241 	    unsigned len = (unsigned)NEXTBYTE();
1242 	    len |= ((unsigned)NEXTBYTE())<<8;
1243 	    while (len--) (void)NEXTBYTE();
1249 	    while (NEXTBYTE() != 0) /* null */ ;
1254 	    while (NEXTBYTE() != 0) /* null */ ;
1284     orig_crc = (ulg) NEXTBYTE();
1285     orig_crc |= (ulg) NEXTBYTE() << 8;
1286     orig_crc |= (ulg) NEXTBYTE() << 16;
1287     orig_crc |= (ulg) NEXTBYTE() << 24;
1289     orig_len = (ulg) NEXTBYTE();
1290     orig_len |= (ulg) NEXTBYTE() << 8;
1291     orig_len |= (ulg) NEXTBYTE() << 16;
1292     orig_len |= (ulg) NEXTBYTE() << 24;
1305  underrun:			/* NEXTBYTE() goto's here if needed */