shithub: femtolisp

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Merge pull request #47 from jniewerth/patch-1

gc_handle buf earlier in fl_string to prevent segfaults

--- a/string.c

+++ b/string.c

@@ -126,6 +126,7 @@

     if (nargs == 1 && fl_isstring(args[0]))

         return args[0];

     value_t arg, buf = fl_buffer(NULL, 0);

+    fl_gc_handle(&buf);

     ios_t *s = value2c(ios_t*,buf);

     uint32_t i;

     value_t oldpr = symbol_value(printreadablysym);

@@ -137,7 +138,6 @@

     }

     set(printreadablysym, oldpr);

     set(printprettysym, oldpp);

-    fl_gc_handle(&buf);

     value_t outp = stream_to_string(&buf);

     fl_free_gc_handles(1);

     return outp;