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Merge branch 'rs/blame-refactor'

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* rs/blame-refactor:
  blame: simplify prepare_lines()
  blame: factor out get_next_line()
This commit is contained in:
Junio C Hamano 2014-06-25 12:23:36 -07:00
parent 35869f4c62 60d85e110b
commit 8d87e35bab
1 changed files with 14 additions and 28 deletions
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42
builtin/blame.c
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@ -2008,6 +2008,12 @@ static void output(struct scoreboard *sb, int option)
}
}
static const char *get_next_line(const char *start, const char *end)
{
const char *nl = memchr(start, '\n', end - start);
return nl ? nl + 1 : end;
}
/*
* To allow quick access to the contents of nth line in the
* final image, prepare an index in the scoreboard.
@ -2019,39 +2025,19 @@ static int prepare_lines(struct scoreboard *sb)
const char *end = buf + len;
const char *p;
int *lineno;
int num = 0, incomplete = 0;
int num = 0;
for (p = buf;;) {
p = memchr(p, '\n', end - p);
if (p) {
p++;
num++;
continue;
}
break;
}
for (p = buf; p < end; p = get_next_line(p, end))
num++;
if (len && end[-1] != '\n')
incomplete++; /* incomplete line at the end */
sb->lineno = lineno = xmalloc(sizeof(*sb->lineno) * (num + 1));
sb->lineno = xmalloc(sizeof(*sb->lineno) * (num + incomplete + 1));
lineno = sb->lineno;
for (p = buf; p < end; p = get_next_line(p, end))
*lineno++ = p - buf;
*lineno++ = 0;
for (p = buf;;) {
p = memchr(p, '\n', end - p);
if (p) {
p++;
*lineno++ = p - buf;
continue;
}
break;
}
*lineno = len;
if (incomplete)
*lineno++ = len;
sb->num_lines = num + incomplete;
sb->num_lines = num;
return sb->num_lines;
}