diff options
| -rw-r--r-- | source/fitz/output.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/source/fitz/output.c b/source/fitz/output.c index e39dd352..1f713709 100644 --- a/source/fitz/output.c +++ b/source/fitz/output.c @@ -13,8 +13,12 @@ static int file_write(fz_context *ctx, void *opaque, const void *buffer, int count) { FILE *file = opaque; - size_t n = fwrite(buffer, 1, count, file); - if (n < count && ferror(file)) + size_t n; + + if (count < 0) + return 0; + n = fwrite(buffer, 1, count, file); + if (n < (size_t)count && ferror(file)) fz_throw(ctx, FZ_ERROR_GENERIC, "cannot fwrite: %s", strerror(errno)); return n; } |