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delete now unused check_header_gzip.c
sum: do not use uintmax needlessly
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parent
226002ea74
commit
91e80c2be7
@ -1,59 +0,0 @@
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/* vi: set sw=4 ts=4: */
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/*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include "libbb.h"
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#include "unarchive.h" /* for external decl of check_header_gzip_or_die */
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void check_header_gzip_or_die(int src_fd)
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{
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union {
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unsigned char raw[8];
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struct {
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unsigned char method;
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unsigned char flags;
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unsigned int mtime;
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unsigned char xtra_flags;
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unsigned char os_flags;
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} formatted;
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} header;
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xread(src_fd, header.raw, 8);
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/* Check the compression method */
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if (header.formatted.method != 8) {
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bb_error_msg_and_die("unknown compression method %d",
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header.formatted.method);
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}
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if (header.formatted.flags & 0x04) {
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/* bit 2 set: extra field present */
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unsigned extra_short;
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extra_short = xread_char(src_fd) + (xread_char(src_fd) << 8);
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while (extra_short > 0) {
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/* Ignore extra field */
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xread_char(src_fd);
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extra_short--;
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}
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}
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/* Discard original name if any */
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if (header.formatted.flags & 0x08) {
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/* bit 3 set: original file name present */
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while (xread_char(src_fd) != 0);
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}
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/* Discard file comment if any */
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if (header.formatted.flags & 0x10) {
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/* bit 4 set: file comment present */
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while (xread_char(src_fd) != 0);
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}
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/* Read the header checksum */
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if (header.formatted.flags & 0x02) {
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xread_char(src_fd);
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xread_char(src_fd);
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}
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}
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@ -24,7 +24,7 @@ enum { SUM_BSD, PRINT_NAME, SUM_SYSV };
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static unsigned sum_file(const char *file, const unsigned type)
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static unsigned sum_file(const char *file, const unsigned type)
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{
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{
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#define buf bb_common_bufsiz1
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#define buf bb_common_bufsiz1
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uintmax_t total_bytes = 0;
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unsigned long long total_bytes = 0;
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int fd = 0, r;
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int fd = 0, r;
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/* The sum of all the input bytes, modulo (UINT_MAX + 1). */
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/* The sum of all the input bytes, modulo (UINT_MAX + 1). */
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@ -67,9 +67,9 @@ static unsigned sum_file(const char *file, const unsigned type)
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if (type >= SUM_SYSV) {
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if (type >= SUM_SYSV) {
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r = (s & 0xffff) + ((s & 0xffffffff) >> 16);
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r = (s & 0xffff) + ((s & 0xffffffff) >> 16);
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s = (r & 0xffff) + (r >> 16);
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s = (r & 0xffff) + (r >> 16);
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printf("%d %ju %s\n", s, (total_bytes+511)/512, file);
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printf("%d %llu %s\n", s, (total_bytes + 511) / 512, file);
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} else
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} else
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printf("%05d %5ju %s\n", s, (total_bytes+1023)/1024, file);
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printf("%05d %5llu %s\n", s, (total_bytes + 1023) / 1024, file);
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return 1;
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return 1;
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#undef buf
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#undef buf
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}
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}
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