diff options
| author | June McEnroe <june@causal.agency> | 2019-01-07 01:11:20 -0500 |
|---|---|---|
| committer | June McEnroe <june@causal.agency> | 2019-01-07 01:11:20 -0500 |
| commit | b9551af817e9a2ba90289d9c7de0e4a34f92287d (patch) | |
| tree | 53f6c362880a641d028dba50d53a5959e9cd9b96 /image.c | |
| parent | madvise MADV_NOCORE in image (diff) | |
| download | torus-b9551af817e9a2ba90289d9c7de0e4a34f92287d.tar.gz torus-b9551af817e9a2ba90289d9c7de0e4a34f92287d.zip | |
Compress PNG data in image
kcgi never enables compression for FastCGI.
Diffstat (limited to '')
| -rw-r--r-- | image.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/image.c b/image.c index de27349..80bb2de 100644 --- a/image.c +++ b/image.c @@ -25,6 +25,7 @@ #include <sys/stat.h> #include <sysexits.h> #include <unistd.h> +#include <zlib.h> #ifdef __FreeBSD__ #include <sys/capsicum.h> @@ -158,7 +159,12 @@ static void render(FILE *stream, uint32_t tileX, uint32_t tileY) { } } - pngData(stream, (uint8_t *)data, sizeof(data)); + uLong zlen = compressBound(sizeof(data)); + uint8_t zdata[zlen]; + int error = compress(zdata, &zlen, (uint8_t *)data, sizeof(data)); + if (error) errx(EX_SOFTWARE, "compress: %d", error); + + pngDeflated(stream, zdata, (size_t)zlen); pngTail(stream); } @@ -229,6 +235,7 @@ static void worker(void) { if (error == KCGI_HUP) goto next; if (error) errkcgi(EX_IOERR, error, "khttp_head"); + // XXX: kcgi never enables compression for FastCGI. error = khttp_body(&req); if (error == KCGI_HUP) goto next; if (error) errkcgi(EX_IOERR, error, "khttp_body"); |