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Tests pass!

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This commit is contained in:
Erica Fischer
2023-02-01 14:01:46 -08:00
parent 373227e422
commit 40a1022cc3
1 changed files with 21 additions and 29 deletions
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tile.cpp
+21 -29
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@@ -67,7 +67,7 @@ struct decompressor {
void begin() {
within = true;
printf("------- BEGIN\n");
// printf("------- BEGIN\n");
zs.zalloc = NULL;
zs.zfree = NULL;
@@ -100,23 +100,23 @@ struct decompressor {
zs.avail_in = n;
}
printf("to read %d, to write %d, %s\n", zs.avail_in, zs.avail_out, within ? "within": "not");
for (size_t i = 0; i < 50 && i < zs.avail_in; i++) {
printf("%d ", zs.next_in[i]);
}
printf("\n");
// printf("to read %d, to write %d, %s\n", zs.avail_in, zs.avail_out, within ? "within": "not");
// for (size_t i = 0; i < 50 && i < zs.avail_in; i++) {
// printf("%d ", zs.next_in[i]);
// }
// printf("\n");
size_t avail_before = zs.avail_in;
if (within) {
int d = inflate(&zs, Z_NO_FLUSH);
*geompos += avail_before - zs.avail_in;
printf("consumed %zu from compression\n", avail_before - zs.avail_in);
// printf("consumed %zu from compression\n", avail_before - zs.avail_in);
if (d == Z_OK) {
// it made some progress
} else if (d == Z_STREAM_END) {
printf("-------------- EOS got stream end\n");
// printf("-------------- EOS got stream end\n");
// it may have made some progress and now we are done
within = false;
break;
@@ -128,7 +128,7 @@ struct decompressor {
size_t n = std::min(zs.avail_in, zs.avail_out);
memcpy(zs.next_out, zs.next_in, n);
*geompos += n;
printf("consumed %zu\n", n);
// printf("consumed %zu\n", n);
zs.avail_out -= n;
zs.avail_in -= n;
@@ -137,36 +137,28 @@ struct decompressor {
}
}
printf("returning %zu\n", size * nmemb - zs.avail_out);
// printf("returning %zu\n", size * nmemb - zs.avail_out);
return (size * nmemb - zs.avail_out) / size;
}
void end(std::atomic<long long> *geompos) {
printf("----- left in the buffer:\n");
for (size_t i = 0; i < 50 && i < zs.avail_in; i++) {
printf("%d ", zs.next_in[i] & 0xFF);
}
printf("\n");
// printf("----- left in the buffer:\n");
// for (size_t i = 0; i < 50 && i < zs.avail_in; i++) {
// printf("%d ", zs.next_in[i] & 0xFF);
// }
// printf("\n");
if (zs.avail_in == 0) {
size_t n = ::fread((Bytef *) buf.c_str(), sizeof(char), buf.size(), fp);
zs.next_in = (Bytef *) buf.c_str();
zs.avail_in = n;
printf("----- now in the buffer:\n");
for (size_t i = 0; i < 50 && i < zs.avail_in; i++) {
printf("%d ", zs.next_in[i] & 0xFF);
}
printf("\n");
// printf("----- now in the buffer:\n");
// for (size_t i = 0; i < 50 && i < zs.avail_in; i++) {
// printf("%d ", zs.next_in[i] & 0xFF);
// }
// printf("\n");
}
#if 0
// consume the trailer of the compressed stream
char s[20];
int n;
while ((n = fread(s, sizeof(char), 20, geompos)) != 0) {
printf("read extra %d\n", n);
}
#endif
if (within) {
zs.avail_out = 0;
@@ -178,7 +170,7 @@ struct decompressor {
}
within = false;
printf("------- END\n");
// printf("------- END\n");
int d = inflateEnd(&zs);
if (d != Z_OK) {