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Merge branch 'js/diff-color-words'

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* js/diff-color-words:
  Change the spelling of "wordregex".
  color-words: Support diff.wordregex config option
  color-words: make regex configurable via attributes
  color-words: expand docs with precise semantics
  color-words: enable REG_NEWLINE to help user
  color-words: take an optional regular expression describing words
  color-words: change algorithm to allow for 0-character word boundaries
  color-words: refactor word splitting and use ALLOC_GROW()
  Add color_fwrite_lines(), a function coloring each line individually
This commit is contained in:
Junio C Hamano
2009-01-25 17:13:29 -08:00
parent d64d4835b8 ae3b970ac3
commit 9847a52432
10 changed files with 499 additions and 94 deletions
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28
color.c
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@@ -202,3 +202,31 @@ int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...)
va_end(args);
return r;
}
/*
* This function splits the buffer by newlines and colors the lines individually.
*
* Returns 0 on success.
*/
int color_fwrite_lines(FILE *fp, const char *color,
size_t count, const char *buf)
{
if (!*color)
return fwrite(buf, count, 1, fp) != 1;
while (count) {
char *p = memchr(buf, '\n', count);
if (p != buf && (fputs(color, fp) < 0 ||
fwrite(buf, p ? p - buf : count, 1, fp) != 1 ||
fputs(COLOR_RESET, fp) < 0))
return -1;
if (!p)
return 0;
if (fputc('\n', fp) < 0)
return -1;
count -= p + 1 - buf;
buf = p + 1;
}
return 0;
}