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The isinf function returns -1 for negative infinity on glibc, but
the standard guarantees no such behavior (e.g. in C++ it always
returns a bool, on musl libc it's a macro that expands to a bool
expression), saying just that it returns a non-zero value.
This was added in pulseaudio around 15 years ago, and was never
fixed; pipewire then got the code from it. However, we can portably
check against -INFINITY instead (from math.h, already included).
Ref
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| .. | ||
| acp.c | ||
| acp.h | ||
| alsa-mixer.c | ||
| alsa-mixer.h | ||
| alsa-ucm.c | ||
| alsa-ucm.h | ||
| alsa-util.c | ||
| alsa-util.h | ||
| array.h | ||
| card.h | ||
| channelmap.h | ||
| compat.c | ||
| compat.h | ||
| conf-parser.c | ||
| conf-parser.h | ||
| device-port.h | ||
| dynarray.h | ||
| hashmap.h | ||
| idxset.h | ||
| llist.h | ||
| meson.build | ||
| proplist.h | ||
| volume.h | ||