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authorMax Kellermann <max@duempel.org>2008-09-29 17:25:08 +0200
committerMax Kellermann <max@duempel.org>2008-09-29 17:25:08 +0200
commitc85b570ad78a0185f45a08e63fefc667c4f056f7 (patch)
tree504cd571df6a1b58bfc717542700453e689f47e3 /src/song_print.c
parent6e21e24caed1a9497e876e4b89b12687aa73d6ad (diff)
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pcm_utils: pass only one buffer size to pcm_mix()
pcm_mix() might overflow the destination buffer if it is smaller than the second buffer. This is ok because the physical buffer size passed by cross_fade_apply() is always big enough, but clutters pcm_mix() with complicated length checks and contains a dangerous buffer overflow pitfall. Simplify pcm_mix()/pcm_add() and pass only the smaller buffer size; let cross_fade_apply() do the memcpy().
Diffstat (limited to 'src/song_print.c')
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