All~
CHECK_this_length macro expands to multiple statements making it unsafe to
use in a single line `if` statement (as is happening near line 335). This
fixes the macro using the standard `do { } while (0)` macro trick.
Matt
Index: src/main/sprintf.c
===================================================================
--- src/main/sprintf.c (revision 70421)
+++ src/main/sprintf.c (working copy)
@@ -262,11 +262,13 @@
fmtp = fmt2;
} else fmtp = fmt;
-#define CHECK_this_length \
- PROTECT(_this); \
- thislen = length(_this); \
- if(thislen == 0) \
- error(_("coercion has changed vector length to 0"))
+#define CHECK_this_length \
+ do { \
+ PROTECT(_this); \
+ thislen = length(_this); \
+ if(thislen == 0) \
+ error(_("coercion has changed vector length to 0")); \
+ while (0)
/* Now let us see if some minimal coercion
would be sensible, but only do so once, for ns = 0: */
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