Introduce CPH_PATH_MAX

PATH_MAX is optional in POSIX, and not provided on GNU/Hurd;
due to the shotcoming of cupsTempFile2(), a dynamically allocated buffer cannot be provided,
so define CPH_PATH_MAX as PATH_MAX (or 1024, if not available), and use it.

https://bugs.freedesktop.org/show_bug.cgi?id=59263

1 files changed, 7 insertions, 1 deletions

diff --git a/src/cups.c b/src/cups.c
index 2b69cab..55de519 100644
--- a/src/cups.c
+++ b/src/cups.c
@@ -278,6 +278,12 @@ cph_cups_new (void)
  */
 #define CPH_STR_MAXLEN 512
 
+#ifdef PATH_MAX
+# define CPH_PATH_MAX PATH_MAX
+#else
+# define CPH_PATH_MAX 1024
+#endif
+
 static gboolean
 _cph_cups_is_string_printable (const char *str,
                                gboolean    check_for_null,
@@ -2636,7 +2642,7 @@ _cph_cups_prepare_ppd_for_options (CphCups       *cups,
         gboolean      ppdchanged = FALSE;
         gchar        *result = NULL;
         gchar        *error;
-        char          newppdfile[PATH_MAX];
+        char          newppdfile[CPH_PATH_MAX];
         cups_file_t  *in = NULL;
         cups_file_t  *out = NULL;
         char          line[CPH_STR_MAXLEN];