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diff.c: fix emit_line() again not to add extra line

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Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2008-06-16 17:37:21 -07:00
parent 06ff64ae3d
commit 4afbcab989
1 changed files with 4 additions and 2 deletions
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diff.c
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@ -514,12 +514,14 @@ const char *diff_get_color(int diff_use_color, enum color_diff ix)
static void emit_line(FILE *file, const char *set, const char *reset, const char *line, int len) static void emit_line(FILE *file, const char *set, const char *reset, const char *line, int len)
{ {
if (len > 0 && line[len-1] == '\n') int has_trailing_newline = (len > 0 && line[len-1] == '\n');
if (has_trailing_newline)
len--; len--;
fputs(set, file); fputs(set, file);
fwrite(line, len, 1, file); fwrite(line, len, 1, file);
fputs(reset, file); fputs(reset, file);
if (has_trailing_newline)
fputc('\n', file); fputc('\n', file);
} }