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Add some debug output, "debug" make target.

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Fix loading of dicts, trailer.
This commit is contained in:
Michael R Sweet
2021-05-04 12:59:10 -04:00
parent 516c6b9ace
commit 59ef6b48ed
7 changed files with 106 additions and 17 deletions
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8
pdfio-common.c
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@@ -30,6 +30,8 @@ static bool write_buffer(pdfio_file_t *pdf, const void *buffer, size_t bytes);
void
_pdfioFileClearTokens(pdfio_file_t *pdf)// I - PDF file
{
PDFIO_DEBUG("_pdfioFileClearTokens(pdf=%p)\n", pdf);
while (pdf->num_tokens > 0)
{
pdf->num_tokens --;
@@ -47,6 +49,8 @@ bool // O - `true` on sucess, `false` on EOF
_pdfioFileConsume(pdfio_file_t *pdf, // I - PDF file
size_t bytes) // I - Bytes to consume
{
PDFIO_DEBUG("_pdfioFileConsume(pdf=%p, bytes=%u)\n", pdf, (unsigned)bytes);
if ((size_t)(pdf->bufend - pdf->bufptr) > bytes)
pdf->bufptr += bytes;
else if (_pdfioFileSeek(pdf, (off_t)bytes, SEEK_CUR) < 0)
@@ -105,6 +109,8 @@ _pdfioFileError(pdfio_file_t *pdf, // I - PDF file
bool // O - `true` on success, `false` on failure
_pdfioFileFlush(pdfio_file_t *pdf) // I - PDF file
{
PDFIO_DEBUG("_pdfioFileFlush(pdf=%p)\n", pdf);
if (pdf->bufptr > pdf->buffer)
{
if (!write_buffer(pdf, pdf->buffer, (size_t)(pdf->bufptr - pdf->buffer)))
@@ -155,6 +161,8 @@ _pdfioFileGetToken(pdfio_file_t *pdf, // I - PDF file
strncpy(buffer, pdf->tokens[pdf->num_tokens], bufsize - 1);
buffer[bufsize - 1] = '\0';
PDFIO_DEBUG("_pdfioFileGetToken(pdf=%p, buffer=%p, bufsize=%u): Popping '%s' from stack.\n", pdf, buffer, (unsigned)bufsize, buffer);
free(pdf->tokens[pdf->num_tokens]);
pdf->tokens[pdf->num_tokens] = NULL;
return (true);