Mercurial > hg > xemacs-beta
diff src/process.c @ 5883:d93195c2c906
Escape quotation marks when printing values interactively, #'getenv
src/ChangeLog addition:
2015-04-01 Aidan Kehoe <kehoea@parhasard.net>
* process.c (Fgetenv):
When interactively showing a variable's value, use %S in the
format string so quotation marks are escaped correctly.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Fri, 03 Apr 2015 00:15:18 +0100 |
| parents | a216b3c2b09e |
| children |
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--- a/src/process.c Wed Apr 01 14:28:20 2015 +0100 +++ b/src/process.c Fri Apr 03 00:15:18 2015 +0100 @@ -2431,11 +2431,11 @@ { Ibyte *value = NULL; Bytecount valuelen; - Lisp_Object v = Qnil; - struct gcpro gcpro1; + Lisp_Object v = Qnil, formatted = Qnil; + struct gcpro gcpro1, gcpro2; CHECK_STRING (var); - GCPRO1 (v); + GCPRO2 (v, formatted); if (getenv_internal (XSTRING_DATA (var), XSTRING_LENGTH (var), &value, &valuelen)) v = make_string (value, valuelen); @@ -2444,9 +2444,11 @@ if (NILP (v)) message ("%s not defined in environment", XSTRING_DATA (var)); else - /* #### Should use Fprin1_to_string or Fprin1 to handle string - containing quotes correctly. */ - message ("\"%s\"", value); + { + /* Backslash any quotation marks. */ + formatted = Fprin1_to_string (v, Qnil); + message_internal (NULL, formatted, 0, -1); + } } RETURN_UNGCPRO (v); }