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particle/progress-bar: handle tag_for_name() failing

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Daniel Eklöf 2020-11-02 19:59:24 +01:00
parent 31c015c680
commit 321d1cdc7d
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GPG key ID: 5BBD4992C116573F
1 changed files with 8 additions and 5 deletions
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13
particles/progress-bar.c
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@ -179,13 +179,13 @@ instantiate(const struct particle *particle, const struct tag_set *tags)
{
const struct private *p = particle->private;
const struct tag *tag = tag_for_name(tags, p->tag);
assert(tag != NULL);
long value = tag->as_int(tag);
long min = tag->min(tag);
long max = tag->max(tag);
long value = tag != NULL ? tag->as_int(tag) : 0;
long min = tag != NULL ? tag->min(tag) : 0;
long max = tag != NULL ? tag->max(tag) : 0;
LOG_DBG("%s: value=%ld, min=%ld, max=%ld", tag->name(tag), value, min, max);
LOG_DBG("%s: value=%ld, min=%ld, max=%ld",
tag != NULL ? tag->name(tag) : "<no tag>", value, min, max);
long fill_count = max == min ? 0 : p->width * value / (max - min);
long empty_count = p->width - fill_count;
@ -224,6 +224,9 @@ instantiate(const struct particle *particle, const struct tag_set *tags)
exposable->expose = &expose;
exposable->on_mouse = &on_mouse;
if (tag == NULL)
return exposable;
enum tag_realtime_unit rt = tag->realtime(tag);
if (rt == TAG_REALTIME_NONE)