Use locale-insensitive decoding of real numbers (Issue #1263)

Author: michaelrsweet

CHANGES.md

@@ -13,6 +13,7 @@ Changes in CUPS v2.4.13 (YYYY-MM-DD)
 - Fixed missing commas in `ippCreateRequestedArray` (Issue #1234)
 - Fixed subscription issues in the scheduler and D-Bus notifier (Issue #1235)
 - Fixed support for IPP/PPD options with periods or underscores (Issue #1249)
+- Fixed parsing of real numbers in PPD compiler source files (Issue #1263)
 
 
 Changes in CUPS v2.4.12 (2025-04-08)

ppdc/ppdc-source.cxx

@@ -62,6 +62,7 @@ ppdcSource::ppdcSource(const char  *f,	// I - File to read
   cond_state    = PPDC_COND_NORMAL;
   cond_current  = cond_stack;
   cond_stack[0] = PPDC_COND_NORMAL;
+  locdata       = localeconv();
 
   // Add standard #define variables...
 #define MAKE_STRING(x) #x
@@ -959,7 +960,7 @@ ppdcSource::get_float(ppdcFile *fp)	// I - File to read
     return (-1.0f);
   }
 
-  val = (float)strtod(temp, &ptr);
+  val = (float)_cupsStrScand(temp, &ptr, locdata);
 
   if (*ptr)
   {
@@ -1479,7 +1480,7 @@ ppdcSource::get_measurement(ppdcFile *fp)
     return (-1.0f);
 
   // Get the floating point value of "s" and skip all digits and decimal points.
-  val = (float)strtod(buffer, &ptr);
+  val = (float)_cupsStrScand(buffer, &ptr, locdata);
 
   // Check for a trailing unit specifier...
   if (!_cups_strcasecmp(ptr, "mm"))

ppdc/ppdc.h

@@ -17,6 +17,7 @@
 
 #  include <cups/file.h>
 #  include <stdlib.h>
+#  include <locale.h>
 
 
 //
@@ -471,7 +472,7 @@ class ppdcSource			//// Source File
   int		cond_state,		// Cumulative conditional state
 		*cond_current,		// Current #if state
 		cond_stack[101];	// #if state stack
-
+  struct lconv	*locdata;		// Locale data
 
   ppdcSource(const char *f = 0, cups_file_t *ffp = (cups_file_t *)0);
   ~ppdcSource();