Cleanup changelog.

CHANGES.md

@@ -2,22 +2,22 @@ Changes in PDFio
 ================
 
 
-v1.3.2 (Month DD, YYYY)
+v1.3.2 - YYYY-MM-DD
------------------------
+-------------------
 
 - Added some more sanity checks to the TrueType font reader.
 
 
-v1.3.1 (August 5, 2024)
+v1.3.1 - 2024-08-05
------------------------
+-------------------
 
 - CVE 2024-42358: Updated TrueType font reader to avoid large memory
   allocations.
 - Fixed some documentation errors and added examples (Issue #68, Issue #69)
 
 
-v1.3.0 (June 28, 2024)
+v1.3.0 - 2024-06-28
-----------------------
+-------------------
 
 - Added `pdfioFileGetCatalog` API for accessing the root/catalog object of a
   PDF file (Issue #67)
@@ -27,8 +27,8 @@ v1.3.0 (June 28, 2024)
 - Optimized string pool code.
 
 
-v1.2.0 (January 24, 2024)
+v1.2.0 - 2024-01-24
--------------------------
+-------------------
 
 - Now use autoconf to configure the PDFio sources (Issue #54)
 - Added `pdfioFileCreateNumberObj` and `pdfioFileCreateStringObj` functions
@@ -51,8 +51,8 @@ v1.2.0 (January 24, 2024)
   65536 in the xref table (Issue #59)
 
 
-v1.1.4 (December 3, 2023)
+v1.1.4 - 2023-12-03
--------------------------
+-------------------
 
 - Fixed detection of encrypted strings that are too short (Issue #52)
 - Fixed a TrueType CMAP decoding bug.
@@ -60,15 +60,15 @@ v1.1.4 (December 3, 2023)
 - Added a ToUnicode map for Unicode text to support text copying.
 
 
-v1.1.3 (November 15, 2023)
+v1.1.3 - 2023-11-15
---------------------------
+-------------------
 
 - Fixed Unicode font support (Issue #16)
 - Fixed missing initializer for 40-bit RC4 encryption (Issue #51)
 
 
-v1.1.2 (October 10, 2023)
+v1.1.2 - 2023-10-10
--------------------------
+-------------------
 
 - Updated `pdfioContentSetDashPattern` to support setting a solid (0 length)
   dash pattern (Issue #41)
@@ -83,15 +83,15 @@ v1.1.2 (October 10, 2023)
   (Issue #48)
 
 
-v1.1.1 (March 20, 2023)
+v1.1.1 - 2023-03-20
------------------------
+-------------------
 
 - CVE-2023-28428: Fixed a potential denial-of-service with corrupt PDF files.
 - Fixed a few build issues.
 
 
-v1.1.0 (February 6, 2023)
+v1.1.0 - 2023-02-06
--------------------------
+-------------------
 
 - CVE-2023-24808: Fixed a potential denial-of-service with corrupt PDF files.
 - Added `pdfioFileCreateTemporary` function (Issue #29)
@@ -105,28 +105,28 @@ v1.1.0 (February 6, 2023)
 - Fixed `pdfioContentMatrixRotate` function.
 
 
-v1.0.1 (March 2, 2022)
+v1.0.1 - 2022-03-02
-----------------------
+-------------------
 
 - Added missing `pdfioPageGetNumStreams` and `pdfioPageOpenStream` functions.
 - Added demo pdfiototext utility.
 - Fixed bug in `pdfioStreamGetToken`.
 
 
-v1.0.0 (December 14, 2021)
+v1.0.0 - 2021-12-14
---------------------------
+-------------------
 
 - First stable release.
 
 
-v1.0rc1 (November 30, 2021)
+v1.0rc1 - 2021-11-30
----------------------------
+--------------------
 
 - Fixed a few stack/buffer overflow bugs discovered via fuzzing.
 
 
-v1.0b2 (November 7, 2021)
+v1.0b2 - 2021-11-07
--------------------------
+-------------------
 
 - Added `pdfioFileCreateOutput` API to support streaming output of PDF
   (Issue #21)
@@ -137,7 +137,7 @@ v1.0b2 (November 7, 2021)
 - Fixed some issues identified by a Coverity scan.
 
 
-v1.0b1 (August 30, 2021)
+v1.0b1 - 2021-08-30
-------------------------
+-------------------
 
 - Initial release

ttf.c

@@ -1323,7 +1323,7 @@ read_cmap(ttf_t *font)			// I - Font
             TTF_DEBUG("read_cmap: glyphIdArray[%d]=%d\n", i, glyphIdArray[i]);
 #endif /* DEBUG */
 
-	  if (font->num_cmap > TTF_FONT_MAX_CHAR)
+	  if (font->num_cmap == 0 || font->num_cmap > TTF_FONT_MAX_CHAR)
 	  {
 	    errorf(font, "Invalid cmap table with %u characters.", (unsigned)font->num_cmap);
 	    return (false);
@@ -1433,7 +1433,7 @@ read_cmap(ttf_t *font)			// I - Font
 	  // uncompressed cmap table...
           TTF_DEBUG("read_cmap: num_cmap=%u\n", (unsigned)font->num_cmap);
 
-	  if (font->num_cmap > TTF_FONT_MAX_CHAR)
+	  if (font->num_cmap == 0 || font->num_cmap > TTF_FONT_MAX_CHAR)
 	  {
 	    errorf(font, "Invalid cmap table with %u characters.", (unsigned)font->num_cmap);
 	    return (false);
@@ -1522,7 +1522,7 @@ read_cmap(ttf_t *font)			// I - Font
 	  // uncompressed cmap table...
           TTF_DEBUG("read_cmap: num_cmap=%u\n", (unsigned)font->num_cmap);
 
-	  if (font->num_cmap > TTF_FONT_MAX_CHAR)
+	  if (font->num_cmap == 0 || font->num_cmap > TTF_FONT_MAX_CHAR)
 	  {
 	    errorf(font, "Invalid cmap table with %u characters.", (unsigned)font->num_cmap);
 	    return (false);