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/*
* This is an example program to linearize a PDF file using the C API.
*/
#include <qpdf/qpdf-c.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static char const* whoami = 0;
static void usage()
{
fprintf(stderr, "Usage: %s infile infile-password outfile\n", whoami);
exit(2);
}
int main(int argc, char* argv[])
{
char* infile = NULL;
char* password = NULL;
char* outfile = NULL;
qpdf_data qpdf = qpdf_init();
int warnings = 0;
int errors = 0;
char* p = 0;
if ((p = strrchr(argv[0], '/')) != NULL)
{
whoami = p + 1;
}
else if ((p = strrchr(argv[0], '\\')) != NULL)
{
whoami = p + 1;
}
else
{
whoami = argv[0];
}
if (argc != 4)
{
usage();
}
infile = argv[1];
password = argv[2];
outfile = argv[3];
if (((qpdf_read(qpdf, infile, password) & QPDF_ERRORS) == 0) &&
((qpdf_init_write(qpdf, outfile) & QPDF_ERRORS) == 0))
{
/* Use static ID for testing only. For production, a
* non-static ID is used. See also
* qpdf_set_deterministic_ID. */
qpdf_set_static_ID(qpdf, QPDF_TRUE); /* for testing only */
qpdf_set_linearization(qpdf, QPDF_TRUE);
qpdf_write(qpdf);
}
while (qpdf_more_warnings(qpdf))
{
warnings = 1;
printf("warning: %s\n",
qpdf_get_error_full_text(qpdf, qpdf_next_warning(qpdf)));
}
if (qpdf_has_error(qpdf))
{
errors = 1;
printf("error: %s\n",
qpdf_get_error_full_text(qpdf, qpdf_get_error(qpdf)));
}
qpdf_cleanup(&qpdf);
if (errors)
{
return 2;
}
else if (warnings)
{
return 3;
}
return 0;
}
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