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Increase token buffer to 256 bytes, to avoid overflow scenarios.

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Add _pdfioTokenFlush to manually flush the token buffer.

Add more debug printfs.
This commit is contained in:
Michael R Sweet
2021-05-10 17:37:57 -04:00
parent cfb5ca0ddc
commit 18853ca3d5
7 changed files with 93 additions and 37 deletions
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4
pdfio-common.c
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@@ -205,6 +205,8 @@ _pdfioFilePeek(pdfio_file_t *pdf, // I - PDF file
// Yes, try reading more...
ssize_t rbytes; // Bytes read
PDFIO_DEBUG("_pdfioFilePeek: Sliding buffer, total=%ld\n", (long)total);
memmove(pdf->buffer, pdf->bufptr, total);
pdf->bufpos += pdf->bufptr - pdf->buffer;
pdf->bufptr = pdf->buffer;
@@ -334,6 +336,8 @@ _pdfioFileSeek(pdfio_file_t *pdf, // I - PDF file
off_t offset, // I - Offset
int whence) // I - Offset base
{
PDFIO_DEBUG("_pdfioFileSeek(pdf=%p, offset=%ld, whence=%d)\n", pdf, (long)offset, whence);
// Adjust offset for relative seeks...
if (whence == SEEK_CUR)
{