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tools/libtxt/edit.c (text2edit): disentangle confused logic of "e" variable

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We used it for the whole list and the current element, which didn't work
very well.
This commit is contained in:
Werner Almesberger 2012-06-30 13:14:57 -03:00
parent ccc27577cb
commit 5e94179a29
1 changed files with 9 additions and 8 deletions
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17
tools/libtxt/edit.c
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@ -168,8 +168,8 @@ static int parse_coord(struct edit *e, const char *s,
struct edit *text2edit(const char *s)
{
struct edit *e = NULL;
struct edit **last = &e;
struct edit *edits = NULL, *e;
struct edit **last = &edits;
const char *start;
int have_text = 0;
char *end;
@ -187,12 +187,13 @@ struct edit *text2edit(const char *s)
if (*s == '\n' && !have_text)
continue;
*last = malloc(sizeof(struct edit));
if (!*last)
e = malloc(sizeof(struct edit));
if (!e)
abort();
(*last)->type = edit_nl; /* pick something without data */
(*last)->next = NULL;
last = &(*last)->next;
e->type = edit_nl; /* pick something without data */
e->next = NULL;
*last = e;
last = &e->next;
if (*s == '\n')
continue;
@ -238,7 +239,7 @@ struct edit *text2edit(const char *s)
}
if (s != start)
add_string(&last, start, s-start);
return e;
return edits;
fail:
free_edit(e);