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Fix buffer underruns in getFrameSync()

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This commit is contained in:
Ryan Drake
2026-10-19 12:07:44 -07:00
parent 6106a608e3
commit 6880087afe
1 changed files with 3 additions and 3 deletions
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6
src/dsd_frame_sync.c
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@@ -165,7 +165,7 @@ getFrameSync (dsd_opts * opts, dsd_state * state)
char synctest8[9]; //M17
char modulation[8];
char *synctest_p;
char synctest_buf[10240]; //what actually is assigned to this, can't find its use anywhere?
char synctest_buf[10240 + 48]; //history for sync matching; look-back window up to 48 bytes
int lmin, lmax, lidx;
//assign t_max value based on decoding type expected (all non-auto decodes first)
@@ -214,7 +214,7 @@ getFrameSync (dsd_opts * opts, dsd_state * state)
synctest20[20] = 0;
modulation[7] = 0; //not initialized or terminated (unsure if this would be an issue or not)
synctest_pos = 0;
synctest_p = synctest_buf + 10;
synctest_p = synctest_buf + 48;
sync = 0;
lmin = 0;
lmax = 0;
@@ -1388,7 +1388,7 @@ getFrameSync (dsd_opts * opts, dsd_state * state)
{
// buffer reset
synctest_pos = 0;
synctest_p = synctest_buf;
synctest_p = synctest_buf + 48;
noCarrier (opts, state);
}