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delete now unused check_header_gzip.c

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sum: do not use uintmax needlessly
This commit is contained in:
Denis Vlasenko 2007-10-05 20:29:31 +00:00
parent 226002ea74
commit 91e80c2be7
2 changed files with 3 additions and 62 deletions
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59
archival/libunarchive/check_header_gzip.c
View File

@ -1,59 +0,0 @@
/* vi: set sw=4 ts=4: */
/*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include "libbb.h"
#include "unarchive.h" /* for external decl of check_header_gzip_or_die */
void check_header_gzip_or_die(int src_fd)
{
union {
unsigned char raw[8];
struct {
unsigned char method;
unsigned char flags;
unsigned int mtime;
unsigned char xtra_flags;
unsigned char os_flags;
} formatted;
} header;
xread(src_fd, header.raw, 8);
/* Check the compression method */
if (header.formatted.method != 8) {
bb_error_msg_and_die("unknown compression method %d",
header.formatted.method);
}
if (header.formatted.flags & 0x04) {
/* bit 2 set: extra field present */
unsigned extra_short;
extra_short = xread_char(src_fd) + (xread_char(src_fd) << 8);
while (extra_short > 0) {
/* Ignore extra field */
xread_char(src_fd);
extra_short--;
}
}
/* Discard original name if any */
if (header.formatted.flags & 0x08) {
/* bit 3 set: original file name present */
while (xread_char(src_fd) != 0);
}
/* Discard file comment if any */
if (header.formatted.flags & 0x10) {
/* bit 4 set: file comment present */
while (xread_char(src_fd) != 0);
}
/* Read the header checksum */
if (header.formatted.flags & 0x02) {
xread_char(src_fd);
xread_char(src_fd);
}
}

6
coreutils/sum.c
View File

@ -24,7 +24,7 @@ enum { SUM_BSD, PRINT_NAME, SUM_SYSV };
static unsigned sum_file(const char *file, const unsigned type)
{
#define buf bb_common_bufsiz1
uintmax_t total_bytes = 0;
unsigned long long total_bytes = 0;
int fd = 0, r;
/* The sum of all the input bytes, modulo (UINT_MAX + 1). */
@ -67,9 +67,9 @@ static unsigned sum_file(const char *file, const unsigned type)
if (type >= SUM_SYSV) {
r = (s & 0xffff) + ((s & 0xffffffff) >> 16);
s = (r & 0xffff) + (r >> 16);
printf("%d %ju %s\n", s, (total_bytes+511)/512, file);
printf("%d %llu %s\n", s, (total_bytes + 511) / 512, file);
} else
printf("%05d %5ju %s\n", s, (total_bytes+1023)/1024, file);
printf("%05d %5llu %s\n", s, (total_bytes + 1023) / 1024, file);
return 1;
#undef buf
}