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Use xread_char to save a few bytes, fix indenting of comments

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This commit is contained in:
Glenn L McGrath 2002-11-03 10:57:25 +00:00
parent 60bce4905c
commit 9c60b29071
1 changed files with 12 additions and 23 deletions
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35
archival/libunarchive/check_header_gzip.c
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@ -17,7 +17,7 @@ extern void check_header_gzip(int src_fd)
xread_all(src_fd, header.raw, 8);
/* Check the compression method */
/* Check the compression method */
if (header.formated.method != 8) {
error_msg_and_die("Unknown compression method %d",
header.formated.method);
@ -27,41 +27,30 @@ extern void check_header_gzip(int src_fd)
/* bit 2 set: extra field present */
unsigned char extra_short;
extra_short = xread_char(src_fd);
extra_short += xread_char(src_fd) << 8;
extra_short = xread_char(src_fd) + (xread_char(src_fd) << 8);
while (extra_short > 0) {
/* Ignore extra field */
/* Ignore extra field */
xread_char(src_fd);
extra_short--;
}
}
/* Discard original name if any */
/* Discard original name if any */
if (header.formated.flags & 0x08) {
/* bit 3 set: original file name present */
char tmp;
do {
read(src_fd, &tmp, 1);
} while (tmp != 0);
/* bit 3 set: original file name present */
while(xread_char(src_fd) != 0);
}
/* Discard file comment if any */
/* Discard file comment if any */
if (header.formated.flags & 0x10) {
/* bit 4 set: file comment present */
char tmp;
do {
read(src_fd, &tmp, 1);
} while (tmp != 0);
/* bit 4 set: file comment present */
while(xread_char(src_fd) != 0);
}
/* Read the header checksum */
/* Read the header checksum */
if (header.formated.flags & 0x02) {
char tmp;
read(src_fd, &tmp, 1);
read(src_fd, &tmp, 1);
xread_char(src_fd);
xread_char(src_fd);
}
return;