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Don't leak formats if they are added multiple times.

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This commit is contained in:
Nicholas Marriott 2013-08-01 23:40:44 +01:00
parent 27364345bf
commit 939f796f08
1 changed files with 8 additions and 1 deletions
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9
format.c
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@ -151,6 +151,7 @@ void
format_add(struct format_tree *ft, const char *key, const char *fmt, ...) format_add(struct format_tree *ft, const char *key, const char *fmt, ...)
{ {
struct format_entry *fe; struct format_entry *fe;
struct format_entry *fe_now;
va_list ap; va_list ap;
fe = xmalloc(sizeof *fe); fe = xmalloc(sizeof *fe);
@ -160,7 +161,13 @@ format_add(struct format_tree *ft, const char *key, const char *fmt, ...)
xvasprintf(&fe->value, fmt, ap); xvasprintf(&fe->value, fmt, ap);
va_end(ap); va_end(ap);
RB_INSERT(format_tree, ft, fe); fe_now = RB_INSERT(format_tree, ft, fe);
if (fe_now != NULL) {
free(fe_now->value);
fe_now->value = fe->value;
free(fe->key);
free(fe);
}
} }
/* Find a format entry. */ /* Find a format entry. */