emit_line(): don't emit an empty <SET><RESET> followed by a newline
When emit_line() is called with an empty line (but non-zero length, as we send line terminating LF or CRLF to the function), it used to emit <SET><RESET> followed by a newline. Stop the wastefulness. Signed-off-by: Junio C Hamano <gitster@pobox.com>
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c8e1c3d3e8
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06a4755270
13
diff.c
13
diff.c
@ -295,12 +295,13 @@ static void emit_line_0(FILE *file, const char *set, const char *reset,
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nofirst = 0;
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}
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fputs(set, file);
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if (!nofirst)
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fputc(first, file);
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fwrite(line, len, 1, file);
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fputs(reset, file);
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if (len || !nofirst) {
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fputs(set, file);
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if (!nofirst)
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fputc(first, file);
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fwrite(line, len, 1, file);
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fputs(reset, file);
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}
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if (has_trailing_carriage_return)
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fputc('\r', file);
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if (has_trailing_newline)
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@ -49,7 +49,7 @@ cat > expect <<\EOF
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<WHITE>+++ b/post<RESET>
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<BROWN>@@ -1,3 +1,7 @@<RESET>
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<RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>
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<RESET>
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a = b + c<RESET>
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<GREEN>aa = a<RESET>
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@ -90,7 +90,7 @@ cat > expect <<\EOF
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<WHITE>+++ b/post<RESET>
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<BROWN>@@ -1,3 +1,7 @@<RESET>
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h(4),<GREEN>hh<RESET>[44]
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<RESET>
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a = b + c<RESET>
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<GREEN>aa = a<RESET>
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@ -126,7 +126,7 @@ cat > expect <<\EOF
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<WHITE>+++ b/post<RESET>
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<BROWN>@@ -1,3 +1,7 @@<RESET>
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h(4)<GREEN>,hh[44]<RESET>
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<RESET>
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a = b + c<RESET>
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<GREEN>aa = a<RESET>
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@ -168,7 +168,7 @@ cat > expect <<\EOF
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<WHITE>+++ b/post<RESET>
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<BROWN>@@ -1,3 +1,7 @@<RESET>
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h(4),<GREEN>hh[44<RESET>]
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<RESET>
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a = b + c<RESET>
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<GREEN>aa = a<RESET>
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