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| author | Pierre Joye <pierre.php@gmail.com> | 2021-09-07 22:03:21 +0700 |
|---|---|---|
| committer | Pierre Joye <pierre.php@gmail.com> | 2021-09-07 22:03:21 +0700 |
| commit | e5c84f0b7a2e2cef8d8630bd8c26a2f859e959ff (patch) | |
| tree | 1dda6178346aa7984c904b3aa08744cb11592ecb /src/gd_bmp.c | |
| parent | c80a7bf3ff448c627335135c5e9cffae83d49d21 (diff) | |
| download | libgd-e5c84f0b7a2e2cef8d8630bd8c26a2f859e959ff.tar.gz | |
Partial fix for #750
Diffstat (limited to 'src/gd_bmp.c')
| -rw-r--r-- | src/gd_bmp.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/gd_bmp.c b/src/gd_bmp.c index e186ac9..29a05ce 100644 --- a/src/gd_bmp.c +++ b/src/gd_bmp.c @@ -266,7 +266,11 @@ static int _gdImageBmpCtx(gdImagePtr im, gdIOCtxPtr out, int compression) bitmap_size += compressed_size; - gdPutBuf(uncompressed_row, compressed_size, out); + if (gdPutBuf(uncompressed_row, compressed_size, out) != compressed_size){ + gd_error("gd-bmp write error\n"); + error = 1; + break; + } gdPutC(BMP_RLE_COMMAND, out); gdPutC(BMP_RLE_ENDOFLINE, out); bitmap_size += 2; @@ -322,10 +326,14 @@ static int _gdImageBmpCtx(gdImagePtr im, gdIOCtxPtr out, int compression) } while ((buffer_size = gdGetBuf(copy_buffer, 1024, out)) != EOF) { + int res; if (buffer_size == 0) { break; } - gdPutBuf(copy_buffer , buffer_size, out_original); + if (gdPutBuf(copy_buffer , buffer_size, out_original) != buffer_size) { + gd_error("gd-bmp write error\n"); + error = 1; + } } gdFree(copy_buffer); @@ -335,7 +343,7 @@ static int _gdImageBmpCtx(gdImagePtr im, gdIOCtxPtr out, int compression) out_original = NULL; } - ret = 0; + ret = error; cleanup: if (tmpfile_for_compression) { #ifdef _WIN32 |