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* backtrace.c (scm_display_error_message): Bugfix: Don't use

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result of scm_list_p as C boolean.
(scm_display_error_message, scm_set_print_params_x): Use new
validation macros. (Thanks to Dirk Herrmann.)
This commit is contained in:
Mikael Djurfeldt 2000-01-18 18:24:57 +00:00
parent d06bcb02eb
commit 3fceef5984
1 changed files with 11 additions and 9 deletions
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20
libguile/backtrace.c
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@ -109,16 +109,16 @@ display_header (SCM source, SCM port)
void
scm_display_error_message (SCM message, SCM args, SCM port)
{
if (SCM_IMP (message) || !SCM_ROSTRINGP (message) || SCM_IMP (args)
|| !scm_list_p (args))
if (SCM_ROSTRINGP (message) && SCM_NFALSEP (scm_list_p (args)))
{
scm_simple_format (port, message, args);
scm_newline (port);
}
else
{
scm_prin1 (message, port, 0);
scm_putc ('\n', port);
return;
}
scm_simple_format(port,message,args);
scm_newline(port);
}
static void
@ -263,11 +263,13 @@ SCM_DEFINE (scm_set_print_params_x, "set-print-params!", 1, 0, 0,
"")
#define FUNC_NAME s_scm_set_print_params_x
{
int i, n = scm_ilength (params);
int i;
int n;
SCM ls;
print_params_t *new_params;
SCM_ASSERT (n >= 1, params, SCM_ARG2, FUNC_NAME);
for (ls = params; SCM_NIMP (ls); ls = SCM_CDR (ls))
SCM_VALIDATE_NONEMPTYLIST_COPYLEN (2, params, n);
for (ls = params; SCM_NNULLP (ls); ls = SCM_CDR (ls))
SCM_ASSERT (scm_ilength (SCM_CAR (params)) == 2
&& SCM_INUMP (SCM_CAAR (ls))
&& SCM_INUM (SCM_CAAR (ls)) >= 0