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altos/scheme: Allow unicode in lexer
[fw/altos]
/
src
/
scheme
/
ao_scheme_string.c
diff --git
a/src/scheme/ao_scheme_string.c
b/src/scheme/ao_scheme_string.c
index c49e1e325c9872a97634614afdf6a6669d8774bc..2c6d096000d43d759c9d7a276ad5ad1c88dcafcc 100644
(file)
--- a/
src/scheme/ao_scheme_string.c
+++ b/
src/scheme/ao_scheme_string.c
@@
-47,6
+47,8
@@
ao_scheme_string_alloc(int len)
{
struct ao_scheme_string *s;
{
struct ao_scheme_string *s;
+ if (len < 0)
+ return NULL;
s = ao_scheme_alloc(len + 2);
if (!s)
return NULL;
s = ao_scheme_alloc(len + 2);
if (!s)
return NULL;
@@
-182,8
+184,8
@@
ao_scheme_string_write(FILE *out, ao_poly p, bool write)
fputs("\\\\", out);
break;
default:
fputs("\\\\", out);
break;
default:
- if (c < ' ')
- fprintf(out, "\\%03o", c);
+ if (
(uint8_t)
c < ' ')
+ fprintf(out, "\\%03o",
(uint8_t)
c);
else
putc(c, out);
break;
else
putc(c, out);
break;