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Initial working pdfioFileOpen, test program.

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Michael R Sweet 2021-05-01 11:50:17 -04:00
parent d13364a4fd
commit f5f0e190b5
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GPG Key ID: 999559A027815955
3 changed files with 21 additions and 6 deletions
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2
pdfio-common.c
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@ -122,7 +122,7 @@ _pdfioFileGets(pdfio_file_t *pdf, // I - PDF file
while (!eol) while (!eol)
{ {
// If there are characters ready in the buffer, use them... // If there are characters ready in the buffer, use them...
while (pdf->bufptr < pdf->bufend && bufptr < bufend) while (!eol && pdf->bufptr < pdf->bufend && bufptr < bufend)
{ {
char ch = *(pdf->bufptr++); // Next character in buffer char ch = *(pdf->bufptr++); // Next character in buffer

9
pdfio-file.c
View File

@ -352,7 +352,7 @@ pdfioFileOpen(
if (!_pdfioFileGets(pdf, line, sizeof(line))) if (!_pdfioFileGets(pdf, line, sizeof(line)))
goto error; 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 // Bad header
_pdfioFileError(pdf, "Bad header '%s'.", line); _pdfioFileError(pdf, "Bad header '%s'.", line);
@ -360,12 +360,15 @@ pdfioFileOpen(
} }
// Copy the version number... // 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... // 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) if (_pdfioFileRead(pdf, line, 32) < 32)
{
_pdfioFileError(pdf, "Unable to read startxref data.");
goto error; goto error;
}
line[32] = '\0'; line[32] = '\0';
if ((ptr = strstr(line, "startxref")) == NULL) if ((ptr = strstr(line, "startxref")) == NULL)

16
testpdfio.c
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@ -22,8 +22,20 @@ int // O - Exit status
main(int argc, // I - Number of command-line arguments main(int argc, // I - Number of command-line arguments
char *argv[]) // I - Command-line arguments char *argv[]) // I - Command-line arguments
{ {
(void)argc; if (argc > 1)
(void)argv; {
int i; // Looping var
pdfio_file_t *pdf; // PDF file
for (i = 1; i < argc; i ++)
{
if ((pdf = pdfioFileOpen(argv[i], NULL, NULL)) != NULL)
{
printf("%s: PDF %s, %d objects.\n", argv[i], pdfioFileGetVersion(pdf), (int)pdfioFileGetNumObjects(pdf));
pdfioFileClose(pdf);
}
}
}
return (0); return (0);
} }