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@ -2,10 +2,11 @@ Changes in PDFio
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================
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================
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v1.1.3 (Month DD, YYYY)
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v1.1.3 (November 15, 2023)
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-----------------------
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--------------------------
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- Fixed Unicode font support (Issue #16)
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- Fixed Unicode font support (Issue #16)
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- Fixed missing initializer for 40-bit RC4 encryption (Issue #51)
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v1.1.2 (October 10, 2023)
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v1.1.2 (October 10, 2023)
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@ -1,4 +1,4 @@
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.TH pdfio 3 "pdf read/write library" "2023-10-06" "pdf read/write library"
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.TH pdfio 3 "pdf read/write library" "2023-11-15" "pdf read/write library"
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.SH NAME
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.SH NAME
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pdfio \- pdf read/write library
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pdfio \- pdf read/write library
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.SH Introduction
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.SH Introduction
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@ -1,13 +1,13 @@
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<!DOCTYPE html>
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<!DOCTYPE html>
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<html lang="en-US">
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<html lang="en-US">
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<head>
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<head>
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<title>PDFio Programming Manual v1.1.2</title>
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<title>PDFio Programming Manual v1.1.3</title>
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<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
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<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
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<meta name="generator" content="codedoc v3.7">
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<meta name="generator" content="codedoc v3.7">
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<meta name="author" content="Michael R Sweet">
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<meta name="author" content="Michael R Sweet">
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<meta name="language" content="en-US">
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<meta name="language" content="en-US">
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<meta name="copyright" content="Copyright © 2021-2023 by Michael R Sweet">
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<meta name="copyright" content="Copyright © 2021-2023 by Michael R Sweet">
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<meta name="version" content="1.1.2">
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<meta name="version" content="1.1.3">
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<style type="text/css"><!--
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<style type="text/css"><!--
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body {
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body {
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background: white;
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background: white;
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@ -245,7 +245,7 @@ span.string {
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<body>
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<body>
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<div class="header">
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<div class="header">
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<p><img class="title" src="pdfio-512.png"></p>
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<p><img class="title" src="pdfio-512.png"></p>
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<h1 class="title">PDFio Programming Manual v1.1.2</h1>
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<h1 class="title">PDFio Programming Manual v1.1.3</h1>
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<p>Michael R Sweet</p>
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<p>Michael R Sweet</p>
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<p>Copyright © 2021-2023 by Michael R Sweet</p>
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<p>Copyright © 2021-2023 by Michael R Sweet</p>
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</div>
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</div>
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@ -375,9 +375,9 @@ _pdfioFileSeek(pdfio_file_t *pdf, // I - PDF file
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if (whence != SEEK_END && offset >= pdf->bufpos && offset < (pdf->bufpos + pdf->bufend - pdf->buffer))
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if (whence != SEEK_END && offset >= pdf->bufpos && offset < (pdf->bufpos + pdf->bufend - pdf->buffer))
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{
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{
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// Yes, seek within existing buffer...
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// Yes, seek within existing buffer...
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pdf->bufptr = pdf->buffer + offset - pdf->bufpos;
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pdf->bufptr = pdf->buffer + (offset - pdf->bufpos);
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PDFIO_DEBUG("_pdfioFileSeek: Seek within buffer, bufpos=%ld.\n", (long)pdf->bufpos);
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PDFIO_DEBUG("_pdfioFileSeek: Seek within buffer, bufpos=%ld.\n", (long)pdf->bufpos);
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PDFIO_DEBUG("_pdfioFileSeek: buffer=%p, bufptr=%p, bufend=%p\n", pdf->buffer, pdf->bufptr, pdf->bufend);
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PDFIO_DEBUG("_pdfioFileSeek: buffer=%p, bufptr=%p(<%02X%02X...>), bufend=%p\n", pdf->buffer, pdf->bufptr, pdf->bufptr[0] & 255, pdf->bufptr[1] & 255, pdf->bufend);
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return (offset);
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return (offset);
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}
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}
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@ -1,7 +1,7 @@
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//
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//
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// Cryptographic support functions for PDFio.
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// Cryptographic support functions for PDFio.
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//
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//
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// Copyright © 2021 by Michael R Sweet.
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// Copyright © 2021-2023 by Michael R Sweet.
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//
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//
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// Licensed under Apache License v2.0. See the file "LICENSE" for more
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// Licensed under Apache License v2.0. See the file "LICENSE" for more
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// information.
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// information.
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@ -446,6 +446,7 @@ _pdfio_crypto_cb_t // O - Decryption callback or `NULL` for none
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// Initialize the RC4 context using 40 bits of the digest...
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// Initialize the RC4 context using 40 bits of the digest...
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_pdfioCryptoRC4Init(&ctx->rc4, digest, 5);
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_pdfioCryptoRC4Init(&ctx->rc4, digest, 5);
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*ivlen = 0;
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return ((_pdfio_crypto_cb_t)_pdfioCryptoRC4Crypt);
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return ((_pdfio_crypto_cb_t)_pdfioCryptoRC4Crypt);
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case PDFIO_ENCRYPTION_RC4_128 :
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case PDFIO_ENCRYPTION_RC4_128 :
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15
pdfio-file.c
15
pdfio-file.c
@ -1514,6 +1514,7 @@ load_obj_stream(pdfio_obj_t *obj) // I - Object to load
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// Skip offset
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// Skip offset
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_pdfioTokenGet(&tb, buffer, sizeof(buffer));
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_pdfioTokenGet(&tb, buffer, sizeof(buffer));
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PDFIO_DEBUG("load_obj_stream: %ld at offset %s\n", (long)number, buffer);
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}
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}
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if (!buffer[0])
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if (!buffer[0])
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@ -1865,8 +1866,18 @@ load_xref(
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break;
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break;
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}
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}
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if (i >= num_sobjs && num_sobjs < (sizeof(sobjs) / sizeof(sobjs[0])))
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if (i >= num_sobjs)
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sobjs[num_sobjs ++] = (size_t)offset;
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{
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if (num_sobjs < (sizeof(sobjs) / sizeof(sobjs[0])))
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{
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sobjs[num_sobjs ++] = (size_t)offset;
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}
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else
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{
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_pdfioFileError(pdf, "Too many object streams.");
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return (false);
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}
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}
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}
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}
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else if (!current)
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else if (!current)
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{
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{
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@ -452,6 +452,7 @@ _pdfioStreamOpen(pdfio_obj_t *obj, // I - Object
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return (NULL);
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return (NULL);
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}
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}
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PDFIO_DEBUG("_pdfioStreamOpen: ivlen=%d\n", (int)ivlen);
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if (ivlen > 0)
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if (ivlen > 0)
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_pdfioFileConsume(st->pdf, ivlen);
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_pdfioFileConsume(st->pdf, ivlen);
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@ -567,6 +568,7 @@ _pdfioStreamOpen(pdfio_obj_t *obj, // I - Object
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else
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else
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st->predictor = _PDFIO_PREDICTOR_NONE;
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st->predictor = _PDFIO_PREDICTOR_NONE;
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PDFIO_DEBUG("_pdfioStreamOpen: pos=%ld\n", (long)_pdfioFileTell(st->pdf));
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if (sizeof(st->cbuffer) > st->remaining)
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if (sizeof(st->cbuffer) > st->remaining)
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rbytes = _pdfioFileRead(st->pdf, st->cbuffer, st->remaining);
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rbytes = _pdfioFileRead(st->pdf, st->cbuffer, st->remaining);
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else
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else
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