mirror of
https://github.com/michaelrsweet/pdfio.git
synced 2024-07-01 19:19:50 +02:00
57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
//
|
||
// Common support functions for pdfio.
|
||
//
|
||
// Copyright © 2021 by Michael R Sweet.
|
||
//
|
||
// Licensed under Apache License v2.0. See the file "LICENSE" for more
|
||
// information.
|
||
//
|
||
|
||
//
|
||
// Include necessary headers...
|
||
//
|
||
|
||
#include "pdfio-private.h"
|
||
|
||
|
||
//
|
||
// '_pdfioFileDefaultError()' - Default error callback.
|
||
//
|
||
// The default error callback writes the error message to stderr and returns
|
||
// `false` to halt.
|
||
//
|
||
|
||
bool // O - `false` to stop
|
||
_pdfioFileDefaultError(
|
||
pdfio_file_t *pdf, // I - PDF file
|
||
const char *message, // I - Error message
|
||
void *data) // I - Callback data (unused)
|
||
{
|
||
(void)data;
|
||
|
||
fprintf(stderr, "%s: %s\n", pdf->filename, message);
|
||
|
||
return (false);
|
||
}
|
||
|
||
|
||
//
|
||
// '_pdfioFileError()' - Display an error message.
|
||
//
|
||
|
||
bool // O - `true` to continue, `false` to stop
|
||
_pdfioFileError(pdfio_file_t *pdf, // I - PDF file
|
||
const char *format, // I - `printf`-style format string
|
||
...) // I - Additional arguments as needed
|
||
{
|
||
char buffer[8192]; // Message buffer
|
||
va_list ap; // Argument pointer
|
||
|
||
|
||
va_start(ap, format);
|
||
vsnprintf(buffer, sizeof(buffer), format, ap);
|
||
va_end(ap);
|
||
|
||
return ((pdf->error_cb)(pdf, buffer, pdf->error_data));
|
||
}
|