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tweaks: make advancing and retreating more symmetrical

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This commit is contained in:
Benno Schulenberg 2016-05-08 10:41:53 +02:00
parent 21edf7bb90
commit fe9cf6f399
1 changed files with 7 additions and 6 deletions
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13
src/utils.c
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@ -611,20 +611,21 @@ size_t get_totsize(const filestruct *begin, const filestruct *end)
return totsize;
}
/* Get back a pointer given a line number in the current openfilestruct. */
/* Given a line number, return a pointer to the corresponding struct. */
filestruct *fsfromline(ssize_t lineno)
{
filestruct *f = openfile->current;
if (lineno <= openfile->current->lineno)
for (; f->lineno != lineno && f != openfile->fileage; f = f->prev)
;
while (f->lineno != lineno && f->prev != NULL)
f = f->prev;
else
for (; f->lineno != lineno && f->next != NULL; f = f->next)
;
while (f->lineno != lineno && f->next != NULL)
f = f->next;
if (f->lineno != lineno)
f = NULL;
return NULL;
return f;
}