Bump version.

Make Visual Studio compiler happy.
Allow "compound" filters that consist of a single named filter (Issue #47 )
2025-07-13 06:24:25 +02:00 · 2023-10-10 10:22:27 -04:00 · 2023-10-10 07:24:27 -04:00 · 2023-10-10 07:14:12 -04:00 · 2023-10-10 07:07:46 -04:00 · 2023-10-10 09:12:03 +02:00
23 changed files with 192 additions and 148 deletions
--- a/.gitignore
+++ b/.gitignore
@ -8,6 +8,8 @@
 /doc/pdfio.epub
 /packages
 /pdfio.xcodeproj/xcshareddata
+/pdfio-*.tar.gz*
+/pdfio-*.zip*
 /pdfiototext
 /testpdfio
 /testpdfio-*.pdf
--- a/CHANGES.md
+++ b/CHANGES.md
@ -2,6 +2,22 @@ Changes in PDFio
 ================


+v1.1.2 (October 10, 2023)
+-------------------------
+
+- Updated `pdfioContentSetDashPattern` to support setting a solid (0 length)
+  dash pattern (Issue #41)
+- Fixed an issue with broken PDF files containing extra CR and/or LF separators
+  after the object stream token (Issue #40)
+- Fixed an issue with PDF files produced by Crystal Reports (Issue #45)
+- Fixed an issue with PDF files produced by Microsoft Reporting Services
+  (Issue #46)
+- Fixed support for compound filters where the filter array consists of a
+  single named filter (Issue #47)
+- Fixed builds on Windows - needed windows.h header for temporary files
+  (Issue #48)
+
+
 v1.1.1 (March 20, 2023)
 -----------------------

--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@ -118,7 +118,7 @@ the source file and the copyright and licensing notice:
    //
    // Description of file contents.
    //
-    // Copyright YYYY by AUTHOR.
+    // Copyright © YYYY by AUTHOR.
    //
    // Licensed under Apache License v2.0.  See the file "LICENSE" for more
    // information.
@ -330,7 +330,7 @@ typedef, for example:

 All constant names are uppercase with underscores between words, e.g.,
 `PDFIO_THIS_CONSTANT`, `PDFIO_THAT_CONSTANT`, etc.  Constants begin with the
-"PDFio\_" prefix to avoid conflicts with system constants.  Private constants
+"PDFIO\_" prefix to avoid conflicts with system constants.  Private constants
 start with an underscore, e.g., `_PDFIO_THIS_CONSTANT`,
 `_PDFIO_THAT_CONSTANT`, etc.

@ -369,11 +369,12 @@ extensions MUST NOT be used.
 The following variables are defined in the makefile:

 - `AR`; the static library archiver command,
- `ARFLAGS`; options for the static library archiver command,
+- `ARFLAGS`; options for the static library archiver,
 - `CC`; the C compiler command,
- `CFLAGS`; options for the C compiler command,
+- `CFLAGS`; options for the C compiler,
 - `CODESIGN_IDENTITY`: the code signing identity,
 - `COMMONFLAGS`; common compiler optimization options,
+- `CPPFLAGS`; options for the C preprocessor,
 - `DESTDIR`/`DSTROOT`: the destination root directory when installing.
 - `DSO`; the shared library building command,
 - `DSOFLAGS`; options for the shared library building command,
@ -395,4 +396,5 @@ The following standard targets are defined in the makefile:
  with debug printfs and the clang address sanitizer enabled.
 - `install`; installs all distribution files in their corresponding locations.
 - `install-shared`; same as `install` but also installs the shared library.
+- `macos`; same as `all` but creates a Universal Binary (X64 + ARM64).
 - `test`; runs the unit test program, building it as needed.
--- a/10
+++ b/10
@ -21,7 +21,7 @@ CFLAGS		=
 CODESIGN_IDENTITY =	Developer ID
 COMMONFLAGS	=	-Os -g
 #COMMONFLAGS	=	-O0 -g -fsanitize=address
-CPPFLAGS	=	'-DPDFIO_VERSION="$(VERSION)"'
+CPPFLAGS	=
 DESTDIR		=	$(DSTROOT)
 DSO		=	cc
 DSOFLAGS	=
@ -29,7 +29,7 @@ DSONAME		=
 LDFLAGS		=
 LIBS		=	-lm -lz
 RANLIB		=	ranlib
-VERSION		=	1.1.1
+VERSION		=	1.1.2
 prefix		=	/usr/local


@ -89,7 +89,7 @@ debug:
 	$(MAKE) -$(MAKEFLAGS) COMMONFLAGS="-g -fsanitize=address -DDEBUG=1" clean all

 macos:
-	$(MAKE) -$(MAKEFLAGS) COMMONFLAGS="-Os -mmacosx-version-min=10.14 -arch x86_64 -arch arm64" clean all
+	$(MAKE) -$(MAKEFLAGS) COMMONFLAGS="-Os -mmacosx-version-min=11 -arch x86_64 -arch arm64" clean all


 # Clean everything
@ -136,7 +136,7 @@ install-shared:

 # Test everything
 test:	testpdfio
-	./testpdfio
+	./testpdfio 2>test.log

 valgrind:	testpdfio
 	valgrind --leak-check=full ./testpdfio
@ -191,7 +191,7 @@ ttf.o:			ttf.h
 # Make documentation using Codedoc <https://www.msweet.org/codedoc>
 DOCFLAGS	=	\
 			--author "Michael R Sweet" \
-			--copyright "Copyright (c) 2021-2022 by Michael R Sweet" \
+			--copyright "Copyright (c) 2021-2023 by Michael R Sweet" \
 			--docversion $(VERSION)

 .PHONY: doc
--- a/README.md
+++ b/README.md
@ -5,8 +5,6 @@ pdfio - PDF Read/Write Library
 ![Apache 2.0](https://img.shields.io/github/license/michaelrsweet/pdfio)
 [![Build Status](https://img.shields.io/github/workflow/status/michaelrsweet/pdfio/Build)](https://github.com/michaelrsweet/pdfio/actions/workflows/build.yml)
 [![Coverity Scan Status](https://img.shields.io/coverity/scan/22385.svg)](https://scan.coverity.com/projects/michaelrsweet-pdfio)
-[![LGTM Grade](https://img.shields.io/lgtm/grade/cpp/github/michaelrsweet/pdfio)](https://lgtm.com/projects/g/michaelrsweet/pdfio/context:cpp)
-[![LGTM Alerts](https://img.shields.io/lgtm/alerts/github/michaelrsweet/pdfio)](https://lgtm.com/projects/g/michaelrsweet/pdfio/)

 PDFio is a simple C library for reading and writing PDF files.  The primary
 goals of PDFio are:
--- a/SECURITY.md
+++ b/SECURITY.md
@ -5,6 +5,25 @@ This file describes how security issues are reported and handled, and what the
 expectations are for security issues reported to this project.


+Reporting a Security Bug
+------------------------
+
+For the purposes of this project, a security bug is a software defect that
+allows a *local or remote user* to gain unauthorized access or privileges on the
+host computer or to cause the software to crash.  Such defects should be
+reported to the project security advisory page at
+<https://github.com/michaelrsweet/pdfio/security/advisories>.
+
+Alternately, security bugs can be reported to "security AT msweet.org" using the
+PGP public key below.  Expect a response within 5 business days.  Any proposed
+embargo date should be at least 30 days and no more than 90 days in the future.
+
+> *Note:* If you've found a software defect that allows a *program* to gain
+> unauthorized access or privileges on the host computer or causes the program
+> to crash, that defect should be reported as an ordinary project issue at
+> <https://github.com/michaelrsweet/pdfio/issues>.
+
+
 Responsible Disclosure
 ----------------------

@ -50,14 +69,6 @@ example:
    1.0rc1


-Reporting a Vulnerability
-------------------------
-
-Report all security issues to "security AT msweet.org".  Expect a response
-within 5 business days.  Any proposed embargo date should be at least 30 days
-and no more than 90 days in the future.
-
-
 PGP Public Key
 --------------

--- a/doc/pdfio.3
+++ b/doc/pdfio.3
@ -1,4 +1,4 @@
-.TH pdfio 3 "pdf read/write library" "2022-07-03" "pdf read/write library"
+.TH pdfio 3 "pdf read/write library" "2023-10-06" "pdf read/write library"
 .SH NAME
 pdfio \- pdf read/write library
 .SH Introduction
@ -34,7 +34,7 @@ PDFio is
 .I not
 concerned with rendering or viewing a PDF file, although a PDF RIP or viewer could be written using it.
 .PP
-PDFio is Copyright \[co] 2021\-2022 by Michael R Sweet and is licensed under the Apache License Version 2.0 with an (optional) exception to allow linking against GPL2/LGPL2 software. See the files "LICENSE" and "NOTICE" for more information.
+PDFio is Copyright \[co] 2021\-2023 by Michael R Sweet and is licensed under the Apache License Version 2.0 with an (optional) exception to allow linking against GPL2/LGPL2 software. See the files "LICENSE" and "NOTICE" for more information.
 .SS Requirements
 .PP
 PDFio requires the following to build the software:
@ -1357,7 +1357,7 @@ bool  pdfioContentFillAndStroke (
 .fi
 .SS pdfioContentMatrixConcat
 Concatenate a matrix to the current graphics
-state.
+                               state.
 .PP
 .nf
 bool  pdfioContentMatrixConcat (
@ -1507,6 +1507,9 @@ bool  pdfioContentSetDashPattern (
    double off
 );
 .fi
+.PP
+This function sets the stroke pattern when drawing lines.  If "on" and "off"
+are 0, a solid line is drawn.
 .SS pdfioContentSetFillColorDeviceCMYK
 Set device CMYK fill color.
 .PP
@ -1981,6 +1984,7 @@ function "cb":
    }

 .fi
+
 The iteration continues as long as the callback returns \fBtrue\fR or all keys
 have been iterated.
 .SS pdfioDictSetArray
@ -2305,10 +2309,11 @@ written:
    ssize_t
    output_cb(void *output_ctx, const void *buffer, size_t bytes)
    {
-    // Write buffer to output and return the number of bytes written
+      // Write buffer to output and return the number of bytes written
    }

 .fi
+
 The "version" argument specifies the PDF version number for the file or
 \fBNULL\fR for the default ("2.0").
 .PP
@ -2616,7 +2621,7 @@ double  pdfioImageGetWidth (
 .fi
 .SS pdfioObjClose
 Close an object, writing any data as needed to the PDF
-file.
+                    file.
 .PP
 .nf
 bool  pdfioObjClose (
@ -2802,6 +2807,13 @@ bool  pdfioStreamGetToken (
    size_t bufsize
 );
 .fi
+.PP
+This function reads a single PDF token from a stream.  Operator tokens,
+boolean values, and numbers are returned as-is in the provided string buffer.
+String values start with the opening parenthesis ('(') but have all escaping
+resolved and the terminating parenthesis removed.  Hexadecimal string values
+start with the opening angle bracket ('<') and have all whitespace and the
+terminating angle bracket removed.
 .SS pdfioStreamPeek
 Peek at data in a stream.
 .PP
@ -3035,4 +3047,4 @@ typedef uint8_t state_t[4][4];
 Michael R Sweet
 .SH COPYRIGHT
 .PP
-Copyright (c) 2021-2022 by Michael R Sweet
+Copyright (c) 2021-2023 by Michael R Sweet
--- a/doc/pdfio.html
+++ b/doc/pdfio.html
@ -1,13 +1,13 @@
 <!DOCTYPE html>
 <html lang="en-US">
 <head>
-<title>PDFio Programming Manual v1.1</title>
+<title>PDFio Programming Manual v1.1.2</title>
 <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
 <meta name="generator" content="codedoc v3.7">
 <meta name="author" content="Michael R Sweet">
 <meta name="language" content="en-US">
-<meta name="copyright" content="Copyright © 2021-2022 by Michael R Sweet">
-<meta name="version" content="1.1">
+<meta name="copyright" content="Copyright © 2021-2023 by Michael R Sweet">
+<meta name="version" content="1.1.2">
 <style type="text/css"><!--
 body {
  background: white;
@ -245,9 +245,9 @@ span.string {
 <body>
 <div class="header">
 <p><img class="title" src="pdfio-512.png"></p>
-<h1 class="title">PDFio Programming Manual v1.1</h1>
+<h1 class="title">PDFio Programming Manual v1.1.2</h1>
 <p>Michael R Sweet</p>
-<p>Copyright © 2021-2022 by Michael R Sweet</p>
+<p>Copyright © 2021-2023 by Michael R Sweet</p>
 </div>
 <div class="contents">
 <h2 class="title">Contents</h2>
@ -497,7 +497,7 @@ span.string {
 </li>
 </ul>
 <p>PDFio is <em>not</em> concerned with rendering or viewing a PDF file, although a PDF RIP or viewer could be written using it.</p>
-<p>PDFio is Copyright © 2021-2022 by Michael R Sweet and is licensed under the Apache License Version 2.0 with an (optional) exception to allow linking against GPL2/LGPL2 software. See the files &quot;LICENSE&quot; and &quot;NOTICE&quot; for more information.</p>
+<p>PDFio is Copyright © 2021-2023 by Michael R Sweet and is licensed under the Apache License Version 2.0 with an (optional) exception to allow linking against GPL2/LGPL2 software. See the files &quot;LICENSE&quot; and &quot;NOTICE&quot; for more information.</p>
 <h3 class="title" id="requirements">Requirements</h3>
 <p>PDFio requires the following to build the software:</p>
 <ul>
@ -1388,7 +1388,7 @@ bool pdfioContentFillAndStroke(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st,
 <p class="description"><code>true</code> on success, <code>false</code> on failure</p>
 <h3 class="function"><a id="pdfioContentMatrixConcat">pdfioContentMatrixConcat</a></h3>
 <p class="description">Concatenate a matrix to the current graphics
-state.</p>
+                               state.</p>
 <p class="code">
 bool pdfioContentMatrixConcat(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st, pdfio_matrix_t m);</p>
 <h4 class="parameters">Parameters</h4>
@ -1614,6 +1614,9 @@ bool pdfioContentSetDashPattern(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st
 </tbody></table>
 <h4 class="returnvalue">Return Value</h4>
 <p class="description"><code>true</code> on success, <code>false</code> on failure</p>
+<h4 class="discussion">Discussion</h4>
+<p class="discussion">This function sets the stroke pattern when drawing lines.  If &quot;on&quot; and &quot;off&quot;
+are 0, a solid line is drawn.</p>
 <h3 class="function"><a id="pdfioContentSetFillColorDeviceCMYK">pdfioContentSetFillColorDeviceCMYK</a></h3>
 <p class="description">Set device CMYK fill color.</p>
 <p class="code">
@ -2301,6 +2304,7 @@ my_dict_cb(pdfio_dict_t *dict, const char *key, void *cb_data)
 ... return true to continue or false to stop ...
 }
 </pre>
+
 The iteration continues as long as the callback returns <code>true</code> or all keys
 have been iterated.</p>
 <h3 class="function"><a id="pdfioDictSetArray">pdfioDictSetArray</a></h3>
@ -2741,9 +2745,10 @@ written:
 ssize_t
 output_cb(void *output_ctx, const void *buffer, size_t bytes)
 {
-// Write buffer to output and return the number of bytes written
+  // Write buffer to output and return the number of bytes written
 }
 </pre>
+
 The &quot;version&quot; argument specifies the PDF version number for the file or
 <code>NULL</code> for the default (&quot;2.0&quot;).<br>
 <br>
@ -3152,7 +3157,7 @@ double pdfioImageGetWidth(<a href="#pdfio_obj_t">pdfio_obj_t</a> *obj);</p>
 <p class="description">Width in columns</p>
 <h3 class="function"><a id="pdfioObjClose">pdfioObjClose</a></h3>
 <p class="description">Close an object, writing any data as needed to the PDF
-file.</p>
+                    file.</p>
 <p class="code">
 bool pdfioObjClose(<a href="#pdfio_obj_t">pdfio_obj_t</a> *obj);</p>
 <h4 class="parameters">Parameters</h4>
@ -3413,6 +3418,13 @@ bool pdfioStreamGetToken(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st, char
 </tbody></table>
 <h4 class="returnvalue">Return Value</h4>
 <p class="description"><code>true</code> on success, <code>false</code> on EOF</p>
+<h4 class="discussion">Discussion</h4>
+<p class="discussion">This function reads a single PDF token from a stream.  Operator tokens,
+boolean values, and numbers are returned as-is in the provided string buffer.
+String values start with the opening parenthesis ('(') but have all escaping
+resolved and the terminating parenthesis removed.  Hexadecimal string values
+start with the opening angle bracket ('&lt;') and have all whitespace and the
+terminating angle bracket removed.</p>
 <h3 class="function"><a id="pdfioStreamPeek">pdfioStreamPeek</a></h3>
 <p class="description">Peek at data in a stream.</p>
 <p class="code">
--- a/doc/pdfio.md
+++ b/doc/pdfio.md
@ -15,7 +15,7 @@ goals of pdfio are:
 PDFio is *not* concerned with rendering or viewing a PDF file, although a PDF
 RIP or viewer could be written using it.

-PDFio is Copyright © 2021-2022 by Michael R Sweet and is licensed under the
+PDFio is Copyright © 2021-2023 by Michael R Sweet and is licensed under the
 Apache License Version 2.0 with an (optional) exception to allow linking against
 GPL2/LGPL2 software.  See the files "LICENSE" and "NOTICE" for more information.

--- a/pdfio-content.c
+++ b/pdfio-content.c
@ -1,7 +1,7 @@
 //
 // Content helper functions for PDFio.
 //
-// Copyright © 2021 by Michael R Sweet.
+// Copyright © 2021-2023 by Michael R Sweet.
 //
 // Licensed under Apache License v2.0.  See the file "LICENSE" for more
 // information.
@ -670,6 +670,9 @@ pdfioContentSave(pdfio_stream_t *st)	// I - Stream
 //
 // 'pdfioContentSetDashPattern()' - Set the stroke pattern.
 //
+// This function sets the stroke pattern when drawing lines.  If "on" and "off"
+// are 0, a solid line is drawn.
+//

 bool					// O - `true` on success, `false` on failure
 pdfioContentSetDashPattern(
@ -678,7 +681,12 @@ pdfioContentSetDashPattern(
    double         on,			// I - On length
    double         off)			// I - Off length
 {
-  return (pdfioStreamPrintf(st, "[%g %g] %g d\n", on, off, phase));
+  if (on <= 0.0 && off <= 0.0)
+    return (pdfioStreamPrintf(st, "[] %g d\n", phase));
+  else if (fabs(on - off) < 0.001)
+    return (pdfioStreamPrintf(st, "[%g] %g d\n", on, phase));
+  else
+    return (pdfioStreamPrintf(st, "[%g %g] %g d\n", on, off, phase));
 }


@ -1440,8 +1448,11 @@ pdfioFileCreateFontObjFromFile(

    cmap = ttfGetCMap(font, &num_cmap);

+    PDFIO_DEBUG("pdfioFileCreateFontObjFromFile: num_cmap=%u\n", (unsigned)num_cmap);
+
    for (i = 0, bufptr = buffer, bufend = buffer + sizeof(buffer); i < num_cmap; i ++)
    {
+      PDFIO_DEBUG("pdfioFileCreateFontObjFromFile: cmap[%u]=%d\n", (unsigned)i, cmap[i]);
      if (cmap[i] < 0)
      {
        // Map undefined glyph to .notdef...
@ -1497,7 +1508,7 @@ pdfioFileCreateFontObjFromFile(

    // CIDSystemInfo mapping to Adobe UCS2 v0 (Unicode)
    pdfioDictSetString(sidict, "Registry", "Adobe");
-    pdfioDictSetString(sidict, "Ordering", "Identity");
+    pdfioDictSetString(sidict, "Ordering", "Identity-H");
    pdfioDictSetNumber(sidict, "Supplement", 0);

    // Then the dictionary for the CID base font...
@ -2989,7 +3000,7 @@ write_string(pdfio_stream_t *st,	// I - Stream


  // Start the string...
-  if (!pdfioStreamPuts(st, unicode ? "<" : "("))
+  if (!pdfioStreamPuts(st, unicode ? "<FEFF" : "("))
    return (false);

  // Loop through the string, handling UTF-8 as needed...
--- a/pdfio-content.h
+++ b/pdfio-content.h
@ -1,7 +1,7 @@
 //
 // Public content header file for PDFio.
 //
-// Copyright © 2021 by Michael R Sweet.
+// Copyright © 2021-2023 by Michael R Sweet.
 //
 // Licensed under Apache License v2.0.  See the file "LICENSE" for more
 // information.
@ -9,18 +9,7 @@

 #ifndef PDFIO_CONTENT_H
 #  define PDFIO_CONTENT_H
-
-//
-// Include necessary headers...
-//
-
 #  include "pdfio.h"
-
-
-//
-// C++ magic...
-//
-
 #  ifdef __cplusplus
 extern "C" {
 #  endif // __cplusplus
@ -151,10 +140,6 @@ extern bool		pdfioPageDictAddFont(pdfio_dict_t *dict, const char *name, pdfio_ob
 extern bool		pdfioPageDictAddImage(pdfio_dict_t *dict, const char *name, pdfio_obj_t *obj) _PDFIO_PUBLIC;


-//
-// C++ magic...
-//
-
 #  ifdef __cplusplus
 }
 #  endif // __cplusplus
--- a/pdfio-file.c
+++ b/pdfio-file.c
@ -1737,6 +1737,10 @@ load_xref(
        return (false);
      }

+      PDFIO_DEBUG("load_xref: tb.bufptr=%p, tb.bufend=%p, tb.bufptr[0]=0x%02x, tb.bufptr[0]=0x%02x\n", tb.bufptr, tb.bufend, tb.bufptr[0], tb.bufptr[1]);
+      if (tb.bufptr && tb.bufptr < tb.bufend && (tb.bufptr[0] == 0x0d || tb.bufptr[0] == 0x0a))
+	tb.bufptr ++;			// Skip trailing CR or LF after token
+
      _pdfioTokenFlush(&tb);

      obj->stream_offset = _pdfioFileTell(pdf);
@ -1759,9 +1763,9 @@ load_xref(
      w_2     = w[0];
      w_3     = w[0] + w[1];

-      if (w[1] == 0 || w[2] > 2 || w[0] > sizeof(buffer) || w[1] > sizeof(buffer) || w[2] > sizeof(buffer) || w_total > sizeof(buffer))
+      if (w[1] == 0 || w[2] > 4 || w[0] > sizeof(buffer) || w[1] > sizeof(buffer) || w[2] > sizeof(buffer) || w_total > sizeof(buffer))
      {
-	_pdfioFileError(pdf, "Cross-reference stream has invalid W key.");
+	_pdfioFileError(pdf, "Cross-reference stream has invalid W key [%u %u %u].", (unsigned)w[0], (unsigned)w[1], (unsigned)w[2]);
 	return (false);
      }

@ -1801,9 +1805,11 @@ load_xref(
 	    }
 	  }

+          // Offset
 	  for (i = 1, offset = buffer[w_2]; i < w[1]; i ++)
 	    offset = (offset << 8) | buffer[w_2 + i];

+          // Generation number
 	  switch (w[2])
 	  {
 	    default :
@ -1815,6 +1821,19 @@ load_xref(
 	    case 2 :
 		generation = (buffer[w_3] << 8) | buffer[w_3 + 1];
 		break;
+	    case 3 :
+	        // Issue #46: Stupid Microsoft PDF generator using 3 bytes to
+	        // encode 16-bit generation numbers == 0 (probably a lazy coder
+	        // stuffing things into an array of 64-bit unsigned integers)
+		generation = (buffer[w_3] << 16) | (buffer[w_3 + 1] << 8) | buffer[w_3 + 2];
+		if (generation > 65535)
+		  generation = 65535;
+		break;
+	    case 4 : // Even stupider :)
+		generation = (buffer[w_3] << 24) | (buffer[w_3 + 1] << 16) | (buffer[w_3 + 2] << 8) | buffer[w_3 + 3];
+		if (generation > 65535)
+		  generation = 65535;
+		break;
 	  }

 	  // Create a placeholder for the object in memory...
@ -1895,12 +1914,12 @@ load_xref(
 	}
      }
    }
-    else if (!strcmp(line, "xref"))
+    else if (!strncmp(line, "xref", 4) && !line[4] || isspace(line[4] & 255))
    {
      // Read the xref tables
      while (_pdfioFileGets(pdf, line, sizeof(line)))
      {
-	if (!strcmp(line, "trailer"))
+	if (!strncmp(line, "trailer", 7) && !line[7] || isspace(line[7] & 255))
 	  break;
 	else if (!line[0])
 	  continue;
@ -1965,7 +1984,7 @@ load_xref(
 	}
      }

-      if (strcmp(line, "trailer"))
+      if (strncmp(line, "trailer", 7))
      {
 	_pdfioFileError(pdf, "Missing trailer.");
 	return (false);
--- a/pdfio-object.c
+++ b/pdfio-object.c
@ -420,6 +420,9 @@ _pdfioObjLoad(pdfio_obj_t *obj)		// I - Object
  }

  ptr += 3;
+  while (*ptr && isspace(*ptr & 255))
+    ptr ++;
+
  _pdfioFileConsume(obj->pdf, (size_t)(ptr - line));

  // Then grab the object value...
@ -438,11 +441,15 @@ _pdfioObjLoad(pdfio_obj_t *obj)		// I - Object
    return (false);
  }

+  PDFIO_DEBUG("_pdfioObjLoad: tb.bufptr=%p, tb.bufend=%p, tb.bufptr[0]=0x%02x, tb.bufptr[0]=0x%02x\n", tb.bufptr, tb.bufend, tb.bufptr[0], tb.bufptr[1]);
+  if (tb.bufptr && tb.bufptr < tb.bufend && (tb.bufptr[0] == 0x0d || tb.bufptr[0] == 0x0a))
+    tb.bufptr ++;			// Skip trailing CR or LF after token
+
  _pdfioTokenFlush(&tb);

  if (!strcmp(line, "stream"))
  {
-    // Yes, save its location...
+    // Yes, this is an embedded stream so save its location...
    obj->stream_offset = _pdfioFileTell(obj->pdf);
    PDFIO_DEBUG("_pdfioObjLoad: stream_offset=%lu.\n", (unsigned long)obj->stream_offset);
  }
--- a/pdfio-private.h
+++ b/pdfio-private.h
@ -1,7 +1,7 @@
 //
 // Private header file for PDFio.
 //
-// Copyright © 2021-2022 by Michael R Sweet.
+// Copyright © 2021-2023 by Michael R Sweet.
 //
 // Licensed under Apache License v2.0.  See the file "LICENSE" for more
 // information.
@ -9,41 +9,22 @@

 #ifndef PDFIO_PRIVATE_H
 #  define PDFIO_PRIVATE_H
-
-//
-// Include necessary headers...
-//
-
 #  ifdef _WIN32
-/*
- * Disable bogus VS warnings/errors...
- */
-
-#    define _CRT_SECURE_NO_WARNINGS
+#    define _CRT_SECURE_NO_WARNINGS	// Disable bogus VS warnings/errors...
 #  endif // _WIN32
-
 #  include "pdfio.h"
 #  include <stdarg.h>
 #  include <stdint.h>
 #  include <string.h>
+#  include <ctype.h>
 #  include <errno.h>
 #  include <inttypes.h>
 #  include <fcntl.h>
 #  ifdef _WIN32
 #    include <io.h>
 #    include <direct.h>
-
-/*
- * Microsoft renames the POSIX functions to _name, and introduces
- * a broken compatibility layer using the original names.  As a result,
- * random crashes can occur when, for example, strdup() allocates memory
- * from a different heap than used by malloc() and free().
- *
- * To avoid moronic problems like this, we #define the POSIX function
- * names to the corresponding non-standard Microsoft names.
- */
-
-#    define access	_access
+#    include <windows.h> // GetTempPathA
+#    define access	_access		// Map standard POSIX/C99 names
 #    define close	_close
 #    define fileno	_fileno
 #    define lseek	_lseek
@ -56,25 +37,18 @@
 #    define unlink	_unlink
 #    define vsnprintf	_vsnprintf
 #    define write	_write
-
-/*
- * Map various parameters for POSIX...
- */
-
-#    define F_OK	00
+#    define F_OK	00		// POSIX parameters/flags
 #    define W_OK	02
 #    define R_OK	04
-#    define O_RDONLY	_O_RDONLY
+#    define O_RDONLY	_O_RDONLY	// Map standard POSIX open flags
 #    define O_WRONLY	_O_WRONLY
 #    define O_CREAT	_O_CREAT
 #    define O_TRUNC	_O_TRUNC
 #    define O_BINARY	_O_BINARY
 #  else // !_WIN32
 #    include <unistd.h>
-#    define O_BINARY	0
+#    define O_BINARY	0		// Map Windows-specific open flag
 #  endif // _WIN32
-#  include <string.h>
-#  include <ctype.h>
 #  include <zlib.h>


@ -411,4 +385,5 @@ extern void		_pdfioValueDelete(_pdfio_value_t *v) _PDFIO_INTERNAL;
 extern _pdfio_value_t	*_pdfioValueRead(pdfio_file_t *pdf, pdfio_obj_t *obj, _pdfio_token_t *ts, _pdfio_value_t *v, size_t depth) _PDFIO_INTERNAL;
 extern bool		_pdfioValueWrite(pdfio_file_t *pdf, pdfio_obj_t *obj, _pdfio_value_t *v, off_t *length) _PDFIO_INTERNAL;

+
 #endif // !PDFIO_PRIVATE_H
--- a/pdfio-stream.c
+++ b/pdfio-stream.c
@ -464,11 +464,19 @@ _pdfioStreamOpen(pdfio_obj_t *obj,	// I - Object
    // Try to decode/decompress the contents of this object...
    const char	*filter = pdfioDictGetName(dict, "Filter");
 					// Filter value
+    pdfio_array_t *fa = pdfioDictGetArray(dict, "Filter");
+					// Filter array
+
+    if (!filter && fa && pdfioArrayGetSize(fa) == 1)
+    {
+      // Support single-valued arrays...
+      filter = pdfioArrayGetName(fa, 0);
+    }

    if (!filter)
    {
      // No single filter name, do we have a compound filter?
-      if (pdfioDictGetArray(dict, "Filter"))
+      if (fa)
      {
 	// TODO: Implement compound filters...
 	_pdfioFileError(st->pdf, "Unsupported compound stream filter.");
@ -579,12 +587,6 @@ _pdfioStreamOpen(pdfio_obj_t *obj,	// I - Object
      st->flate.next_in  = (Bytef *)st->cbuffer;
      st->flate.avail_in = (uInt)rbytes;

-      if (st->cbuffer[0] == 0x0a)
-      {
-        st->flate.next_in ++;		// Skip newline
-        st->flate.avail_in --;
-      }
-
      PDFIO_DEBUG("_pdfioStreamOpen: avail_in=%u, cbuffer=<%02X%02X%02X%02X%02X%02X%02X%02X...>\n", st->flate.avail_in, st->cbuffer[0], st->cbuffer[1], st->cbuffer[2], st->cbuffer[3], st->cbuffer[4], st->cbuffer[5], st->cbuffer[6], st->cbuffer[7]);

      if ((status = inflateInit(&(st->flate))) != Z_OK)
--- a/pdfio-token.c
+++ b/pdfio-token.c
@ -495,6 +495,13 @@ _pdfioTokenRead(_pdfio_token_t *tb,	// I - Token buffer/stack
 	  *bufptr++ = (char)ch;
 	  break;
 	}
+	else if (ch == '>')
+	{
+	  // Issue #46: Empty hex string from Microsoft PDF generator; treat as
+	  // empty literal string...
+	  *buffer = '(';
+	  break;
+	}
 	else if (!isspace(ch & 255) && !isxdigit(ch & 255))
 	{
 	  _pdfioFileError(tb->pdf, "Syntax error: '<%c'", ch);
--- a/pdfio.h
+++ b/pdfio.h
@ -1,7 +1,7 @@
 //
 // Public header file for PDFio.
 //
-// Copyright © 2021-2022 by Michael R Sweet.
+// Copyright © 2021-2023 by Michael R Sweet.
 //
 // Licensed under Apache License v2.0.  See the file "LICENSE" for more
 // information.
@ -9,27 +9,23 @@

 #ifndef PDFIO_H
 #  define PDFIO_H
-
-//
-// Include necessary headers...
-//
-
 #  include <stdio.h>
 #  include <stdlib.h>
 #  include <stdbool.h>
 #  include <sys/types.h>
 #  include <time.h>
-
-
-//
-// C++ magic...
-//
-
 #  ifdef __cplusplus
 extern "C" {
 #  endif // __cplusplus


+//
+// Version number...
+//
+
+#  define PDFIO_VERSION		"1.1.2"
+
+
 //
 // Visibility and other annotations...
 //
@ -244,10 +240,6 @@ extern char		*pdfioStringCreate(pdfio_file_t *pdf, const char *s)  _PDFIO_PUBLIC
 extern char		*pdfioStringCreatef(pdfio_file_t *pdf, const char *format, ...) _PDFIO_FORMAT(2,3) _PDFIO_PUBLIC;


-//
-// C++ magic...
-//
-
 #  ifdef __cplusplus
 }
 #  endif // __cplusplus
--- a/pdfio.vcxproj
+++ b/pdfio.vcxproj
@ -87,7 +87,7 @@
    <ClCompile>
      <WarningLevel>Level3</WarningLevel>
      <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>PDFIO_VERSION="1.1.0";WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <ConformanceMode>true</ConformanceMode>
    </ClCompile>
    <Link>
@ -101,7 +101,7 @@
      <FunctionLevelLinking>true</FunctionLevelLinking>
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>PDFIO_VERSION="1.1.0";WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <ConformanceMode>true</ConformanceMode>
    </ClCompile>
    <Link>
@ -115,7 +115,7 @@
    <ClCompile>
      <WarningLevel>Level3</WarningLevel>
      <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>PDFIO_VERSION="1.1.0";_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <ConformanceMode>true</ConformanceMode>
    </ClCompile>
    <Link>
@ -130,7 +130,7 @@
      <FunctionLevelLinking>true</FunctionLevelLinking>
      <IntrinsicFunctions>true</IntrinsicFunctions>
      <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>PDFIO_VERSION="1.1.0";NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <ConformanceMode>true</ConformanceMode>
    </ClCompile>
    <Link>
--- a/pdfio.xcodeproj/project.pbxproj
+++ b/pdfio.xcodeproj/project.pbxproj
@ -372,7 +372,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_IDENTITY = "Apple Development";
 				COPY_PHASE_STRIP = NO;
-				CURRENT_PROJECT_VERSION = 1.1;
+				CURRENT_PROJECT_VERSION = 1.1.2;
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
@ -381,7 +381,6 @@
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
 					"DEBUG=1",
-					"'PDFIO_VERSION=\"$(CURRENT_PROJECT_VERSION)\"'",
 				);
 				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
@ -397,7 +396,7 @@
 				GCC_WARN_UNUSED_LABEL = YES;
 				GCC_WARN_UNUSED_PARAMETER = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 11.0;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
@ -450,7 +449,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_IDENTITY = "Apple Development";
 				COPY_PHASE_STRIP = NO;
-				CURRENT_PROJECT_VERSION = 1.1;
+				CURRENT_PROJECT_VERSION = 1.1.2;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_NS_ASSERTIONS = NO;
@ -459,7 +458,6 @@
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
-					"'PDFIO_VERSION=\"$(CURRENT_PROJECT_VERSION)\"'",
 				);
 				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
@ -475,7 +473,7 @@
 				GCC_WARN_UNUSED_LABEL = YES;
 				GCC_WARN_UNUSED_PARAMETER = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 11.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
 				RUN_CLANG_STATIC_ANALYZER = YES;
@ -515,7 +513,7 @@
 				ENABLE_HARDENED_RUNTIME = YES;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_OPTIMIZATION_LEVEL = 0;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 11.0;
 				PRODUCT_BUNDLE_IDENTIFIER = org.msweet.testpdfio;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
@ -529,7 +527,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = "";
 				ENABLE_HARDENED_RUNTIME = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MACOSX_DEPLOYMENT_TARGET = 11.0;
 				PRODUCT_BUNDLE_IDENTIFIER = org.msweet.testpdfio;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
--- a/pdfio_native.nuspec
+++ b/pdfio_native.nuspec
@ -3,7 +3,7 @@
    <metadata>
        <id>pdfio_native</id>
        <title>PDFio Library for VS2019+</title>
-        <version>1.1.0</version>
+        <version>1.1.2</version>
        <authors>Michael R Sweet</authors>
        <owners>michaelrsweet</owners>
        <projectUrl>https://github.com/michaelrsweet/pappl</projectUrl>
@ -16,7 +16,7 @@
        <copyright>Copyright © 2019-2023 by Michael R Sweet</copyright>
        <tags>pdf file native</tags>
 	<dependencies>
-	    <dependency id="pdfio_native.redist" version="1.1.0" />
+	    <dependency id="pdfio_native.redist" version="1.1.2" />
 	    <dependency id="zlib_native.redist" version="1.2.11" />
 	</dependencies>
    </metadata>
--- a/pdfio_native.redist.nuspec
+++ b/pdfio_native.redist.nuspec
@ -3,7 +3,7 @@
    <metadata>
        <id>pdfio_native.redist</id>
        <title>PDFio Library for VS2019+</title>
-        <version>1.1.0</version>
+        <version>1.1.2</version>
        <authors>Michael R Sweet</authors>
        <owners>michaelrsweet</owners>
        <projectUrl>https://github.com/michaelrsweet/pappl</projectUrl>
@ -15,6 +15,9 @@
        <summary>PDFio is a simple C library for reading and writing PDF files. This package provides the redistributable content for the PDFio library. PDFio is licensed under the Apache License Version 2.0 with an (optional) exception to allow linking against GNU GPL2-only software.</summary>
        <copyright>Copyright © 2019-2023 by Michael R Sweet</copyright>
        <tags>pdf file native</tags>
+	<dependencies>
+	    <dependency id="zlib_native.redist" version="1.2.11" />
+	</dependencies>
    </metadata>
    <files>
        <file src="doc\pdfio-128.png" target="build\native" />
--- a/ttf.c
+++ b/ttf.c
@ -3,16 +3,12 @@
 //
 //     https://github.com/michaelrsweet/ttf
 //
-// Copyright © 2018-2021 by Michael R Sweet.
+// Copyright © 2018-2023 by Michael R Sweet.
 //
 // Licensed under Apache License v2.0.  See the file "LICENSE" for more
 // information.
 //

-//
-// Include necessary headers...
-//
-
 #ifdef _WIN32
 #  define _CRT_SECURE_NO_WARNINGS
 #endif // _WIN32
@ -691,6 +687,9 @@ ttfGetExtents(
      ch = *s++;
    }

+    // Issue #1: Offset past ".notdef"...
+    ch ++;
+
    // Find its width...
    if ((widths = font->widths[ch / 256]) != NULL)
    {
--- a/ttf.h
+++ b/ttf.h
@ -3,7 +3,7 @@
 //
 //     https://github.com/michaelrsweet/ttf
 //
-// Copyright © 2018-2021 by Michael R Sweet.
+// Copyright © 2018-2023 by Michael R Sweet.
 //
 // Licensed under Apache License v2.0.  See the file "LICENSE" for more
 // information.
@ -11,17 +11,11 @@

 #ifndef TTF_H
 #  define TTF_H
-
-//
-// Include necessary headers...
-//
-
 #  include <stdbool.h>
 #  include <sys/types.h>
-
 #  ifdef __cplusplus
 extern "C" {
-#  endif //
+#  endif // __cplusplus


 //
@ -89,8 +83,8 @@ extern ttf_t		*ttfCreate(const char *filename, size_t idx, ttf_err_cb_t err_cb,
 extern void		ttfDelete(ttf_t *font);
 extern int		ttfGetAscent(ttf_t *font);
 extern ttf_rect_t	*ttfGetBounds(ttf_t *font, ttf_rect_t *bounds);
-extern int		ttfGetCapHeight(ttf_t *font);
 extern const int	*ttfGetCMap(ttf_t *font, size_t *num_cmap);
+extern int		ttfGetCapHeight(ttf_t *font);
 extern const char	*ttfGetCopyright(ttf_t *font);
 extern int		ttfGetDescent(ttf_t *font);
 extern ttf_rect_t	*ttfGetExtents(ttf_t *font, float size, const char *s, ttf_rect_t *extents);
@ -112,5 +106,4 @@ extern bool		ttfIsFixedPitch(ttf_t *font);
 #  ifdef __cplusplus
 }
 #  endif // __cplusplus
-
 #endif // !TTF_H
Author	SHA1	Message	Date
Michael R Sweet	43114f43bf	Bump version.	2023-10-10 10:22:27 -04:00
Michael R Sweet	c4abceef79	Make Visual Studio compiler happy.	2023-10-10 07:24:27 -04:00
Michael R Sweet	2e91e05d7b	Allow "compound" filters that consist of a single named filter (Issue #47 )	2023-10-10 07:14:12 -04:00
Michael R Sweet	7e3db6b639	Merge pull request #48 from crystalidea/master added windows.h header for GetTempPathA	2023-10-10 07:07:46 -04:00
kleuter	acb6b66bdb	added windows.h header for GetTempPathA	2023-10-10 09:12:03 +02:00
Michael R Sweet	b0a66eef78	Fix reading of PDF files from Crystal Reports (Issue #45 )	2023-10-09 10:04:20 -04:00
Michael R Sweet	ed88322496	Debug logging, work in progress for Unicode text support.	2023-10-07 12:05:18 -04:00
Michael R Sweet	59959bf0e5	Merge TTF changes to fix off-by-one error.	2023-10-06 16:44:20 -04:00
Michael R Sweet	19c45871fa	Update pdfioContentSetDashPattern to support setting solid line styles (Issue #41 )	2023-10-06 15:47:27 -04:00
Michael R Sweet	b0e4646f9d	Rework CR/LF skip code to be more consistent.	2023-10-06 14:41:55 -04:00
Michael R Sweet	12ef2fe2c3	Remove LGTM badges.	2023-10-06 14:40:40 -04:00
Michael R Sweet	4630060ee7	Update security reporting and contribution text.	2023-10-06 14:40:28 -04:00
Michael R Sweet	74a6fb1860	Get rid of superfluous comments.	2023-10-06 14:40:08 -04:00
Michael R Sweet	a3ea0a99ff	Cleanup spacing and comments.	2023-10-06 14:39:42 -04:00
Michael R Sweet	fdfa700442	Update ignored files.	2023-10-06 14:39:10 -04:00
Michael R Sweet	d759baf11e	Bump version and put PDFIO_VERSION definition in the pdfio.h header.	2023-10-06 14:38:38 -04:00
Michael R Sweet	7f6ffcda22	Fix a couple issues with parsing PDF files produced by Microsoft Reporting Services (Issue #46) - Odd cross-reference stream containing 3-byte generation number field for this 16-bit value - Odd empty hex strings	2023-10-06 10:46:30 -04:00
Michael R Sweet	87ca4db73f	Clean up private header.	2023-10-02 05:27:40 -04:00
Michael R Sweet	a83f7f50ff	Allow extra whitespace/newlines after stream tokens (Issue #40 )	2023-10-02 05:06:33 -04:00
Michael R Sweet	6a4ce57d09	Bump versions for Mac/Windows project files.	2023-03-20 10:40:25 -04:00