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fw: Add destination buffer size to read()

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Signed-off-by: Daniel Lublin <daniel@lublin.se>
This commit is contained in:
Michael Cardell Widerkrantz 2023-02-27 16:41:31 +01:00 • committed by Daniel Lublin
parent b292c72534
commit f386cec1ed
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3 changed files with 13 additions and 3 deletions
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8
hw/application_fpga/fw/tk1/proto.c
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@ -148,9 +148,15 @@ uint8_t readbyte_ledflash(int ledvalue, int loopcount)
}
}
void read(uint8_t *buf, size_t nbytes)
int read(uint8_t *buf, size_t bufsize, size_t nbytes)
{
if (nbytes > bufsize) {
return -1;
}
for (int n = 0; n < nbytes; n++) {
buf[n] = readbyte();
}
return 0;
}