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particle/ramp: handle tag_for_name() failing

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Daniel Eklöf 2020-11-02 19:57:31 +01:00
parent 05aa44f1ab
commit 31c015c680
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1 changed files with 3 additions and 4 deletions
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7
particles/ramp.c
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@ -95,13 +95,12 @@ instantiate(const struct particle *particle, const struct tag_set *tags)
{ {
const struct private *p = particle->private; const struct private *p = particle->private;
const struct tag *tag = tag_for_name(tags, p->tag); const struct tag *tag = tag_for_name(tags, p->tag);
assert(tag != NULL);
assert(p->count > 0); assert(p->count > 0);
long value = tag->as_int(tag); long value = tag != NULL ? tag->as_int(tag) : 0;
long min = tag->min(tag); long min = tag != NULL ? tag->min(tag) : 0;
long max = tag->max(tag); long max = tag != NULL ? tag->max(tag) : 0;
assert(value >= min && value <= max); assert(value >= min && value <= max);
assert(max >= min); assert(max >= min);