BLAHAJ
/
libsigrok
10
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

filter.c: Fix endianness bug in sr_filter_probes

This commit is contained in:
Marcus Comstedt 2013-12-07 17:09:06 +01:00 committed by Bert Vermeulen
parent c1e45c6511
commit 764e7bbfec
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
filter.c
View File

@ -106,7 +106,7 @@ SR_API int sr_filter_probes(unsigned int in_unitsize, unsigned int out_unitsize,
unsigned int in_offset, out_offset;
int *probelist, out_bit;
unsigned int i;
uint64_t sample_in, sample_out;
uint8_t *sample_in, *sample_out;
if (!probe_array) {
sr_err("%s: probe_array was NULL", __func__);
@ -151,14 +151,15 @@ SR_API int sr_filter_probes(unsigned int in_unitsize, unsigned int out_unitsize,
/* If we reached this point, not all probes are used, so "compress". */
in_offset = out_offset = 0;
while (in_offset <= length_in - in_unitsize) {
memcpy(&sample_in, data_in + in_offset, in_unitsize);
sample_out = out_bit = 0;
sample_in = data_in + in_offset;
sample_out = (*data_out) + out_offset;
memset(sample_out, 0, out_unitsize);
out_bit = 0;
for (i = 0; i < probe_array->len; i++) {
if (sample_in & (1 << (probelist[i])))
sample_out |= (1 << out_bit);
if (sample_in[probelist[i]>>3] & (1 << (probelist[i]&7)))
sample_out[out_bit>>3] |= (1 << (out_bit&7));
out_bit++;
}
memcpy((*data_out) + out_offset, &sample_out, out_unitsize);
in_offset += in_unitsize;
out_offset += out_unitsize;
}