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Initial working pdfioFileOpen, test program.

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This commit is contained in:
Michael R Sweet
2021-05-01 11:50:17 -04:00
parent d13364a4fd
commit f5f0e190b5
3 changed files with 21 additions and 6 deletions
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9
pdfio-file.c
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@@ -352,7 +352,7 @@ pdfioFileOpen(
if (!_pdfioFileGets(pdf, line, sizeof(line)))
goto error;
if ((strncmp(line, "%PDF-1.", 6) && strncmp(line, "%PDF-2.", 6)) || !isdigit(line[6] & 255))
if ((strncmp(line, "%PDF-1.", 7) && strncmp(line, "%PDF-2.", 7)) || !isdigit(line[7] & 255))
{
// Bad header
_pdfioFileError(pdf, "Bad header '%s'.", line);
@@ -360,12 +360,15 @@ pdfioFileOpen(
}
// Copy the version number...
pdf->version = strdup(line + 4);
pdf->version = strdup(line + 5);
// Grab the last 32 characters of the file to find the start of the xref table...
_pdfioFileSeek(pdf, 32, SEEK_END);
_pdfioFileSeek(pdf, -32, SEEK_END);
if (_pdfioFileRead(pdf, line, 32) < 32)
{
_pdfioFileError(pdf, "Unable to read startxref data.");
goto error;
}
line[32] = '\0';
if ((ptr = strstr(line, "startxref")) == NULL)