mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-18 00:04:05 +02:00
44 lines
1.2 KiB
Diff
44 lines
1.2 KiB
Diff
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--- a/coreutils/tail.c
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+++ b/coreutils/tail.c
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@@ -203,7 +203,7 @@ int tail_main(int argc, char **argv)
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int fd = fds[i];
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if (ENABLE_FEATURE_FANCY_TAIL && fd < 0)
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- continue; /* may happen with -E */
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+ continue; /* may happen with -F */
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if (nfiles > header_threshhold) {
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tail_xprint_header(fmt, argv[i]);
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@@ -252,14 +252,14 @@ int tail_main(int argc, char **argv)
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* Used only by +N code ("start from Nth", 1-based): */
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seen = 1;
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newlines_seen = 0;
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- while ((nread = tail_read(fd, buf, tailbufsize-taillen)) > 0) {
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+ while ((nread = tail_read(fd, buf, tailbufsize - taillen)) > 0) {
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if (G.from_top) {
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int nwrite = nread;
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if (seen < count) {
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/* We need to skip a few more bytes/lines */
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if (COUNT_BYTES) {
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nwrite -= (count - seen);
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- seen = count;
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+ seen += nread;
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} else {
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char *s = buf;
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do {
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--- a/testsuite/tail.tests
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+++ b/testsuite/tail.tests
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@@ -14,4 +14,12 @@ testing "tail: +N with N > file length"
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"0\n" \
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"" "qw"
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+testing "tail: -c +N with largish N" \
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+ "
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+ dd if=/dev/zero bs=16k count=1 2>/dev/null | tail -c +8200 | wc -c;
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+ dd if=/dev/zero bs=16k count=1 2>/dev/null | tail -c +8208 | wc -c;
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+ " \
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+ "8185\n8177\n" \
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+ "" ""
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+
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exit $FAILCOUNT
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