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FFI: Print NULL pointers as "cdata<... *>: NULL".

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This commit is contained in:
Mike Pall 2011-06-07 21:10:04 +02:00
parent a7ca722dca
commit a0840d2695
1 changed files with 4 additions and 0 deletions
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4
src/lj_str.c
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@ -360,6 +360,10 @@ const char *lj_str_pushvf(lua_State *L, const char *fmt, va_list argp)
char buf[2+FMTP_CHARS];
ptrdiff_t p = (ptrdiff_t)(va_arg(argp, void *));
ptrdiff_t i, lasti = 2+FMTP_CHARS;
if (p == 0) {
addstr(L, sb, "NULL", 4);
break;
}
#if LJ_64
/* Shorten output for 64 bit pointers. */
lasti = 2+2*4+((p >> 32) ? 2+2*(lj_fls((uint32_t)(p >> 32))>>3) : 0);