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minimodem: fix --auto-carrier crash on positive-shift modes

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This commit is contained in:
Kamal Mostafa 2012-09-09 17:42:53 -07:00
parent d603fc444d
commit 9f1695a3b6
1 changed files with 3 additions and 2 deletions
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5
src/minimodem.c
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@ -878,8 +878,9 @@ main( int argc, char*argv[] )
b_shift *= -1;
/* only accept a carrier as b_mark if it will not result
* in a b_space band which is "too low". */
if ( carrier_band + b_shift < 1 ) {
debug_log("autodetected space band too low\n" );
int b_space = carrier_band + b_shift;
if ( b_space < 1 || b_space >= fskp->nbands ) {
debug_log("autodetected space band out of range\n" );
carrier_band = -1;
continue;
}