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dd: allow count=0 - ubase - suckless linux base utils |
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git clone git://git.suckless.org/ubase |
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--- |
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commit c64b5b04c7993765ab67207e86db92a48d7087f4 |
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parent e5d88b0f30feb2f0374c2e09ecd2685ba1f4e717 |
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Author: Eivind Uggedal <[email protected]> |
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Date: Tue, 15 Mar 2016 20:16:05 +0000 |
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dd: allow count=0 |
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Diffstat: |
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M dd.c | 3 ++- |
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1 file changed, 2 insertions(+), 1 deletion(-) |
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--- |
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diff --git a/dd.c b/dd.c |
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@@ -126,7 +126,7 @@ prepare_copy(struct dd_config *ddc, int *ifd, int *ofd) |
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ddc->count *= ddc->bs; |
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/* If no count is given, its the filesize minus skip offset */ |
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- if (ddc->count == 0) |
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+ if (ddc->count == (uint64_t) -1) |
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ddc->count = ddc->fsize - ddc->skip; |
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return 0; |
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@@ -243,6 +243,7 @@ main(int argc, char *argv[]) |
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config.bs = 1<<16; |
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config.in = NULL; |
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config.out = NULL; |
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+ config.count = (uint64_t) -1; |
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/* emulate 'dd' argument parsing */ |
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for (i = 1; i < argc; ++i) { |
