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Fix formatting of canonicalized number to string conversions.

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This commit is contained in:
Mike Pall 2010-08-23 20:06:36 +02:00
parent 65b8c36def
commit 55017d4626
1 changed files with 9 additions and 6 deletions
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15
src/lib_string.c
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@ -739,14 +739,17 @@ LJLIB_CF(string_format)
tv.n = lj_lib_checknum(L, arg); tv.n = lj_lib_checknum(L, arg);
if (LJ_UNLIKELY((tv.u32.hi << 1) >= 0xffe00000)) { if (LJ_UNLIKELY((tv.u32.hi << 1) >= 0xffe00000)) {
/* Canonicalize output of non-finite values. */ /* Canonicalize output of non-finite values. */
size_t len = lj_str_bufnum(buff, &tv); char *p, nbuf[LUAI_MAXNUMBER2STR];
size_t len = lj_str_bufnum(nbuf, &tv);
if (strfrmt[-1] == 'E' || strfrmt[-1] == 'G') { if (strfrmt[-1] == 'E' || strfrmt[-1] == 'G') {
buff[len-3] = buff[len-3] - 0x20; nbuf[len-3] = nbuf[len-3] - 0x20;
buff[len-2] = buff[len-2] - 0x20; nbuf[len-2] = nbuf[len-2] - 0x20;
buff[len-1] = buff[len-1] - 0x20; nbuf[len-1] = nbuf[len-1] - 0x20;
} }
luaL_addlstring(&b, buff, len); for (p = form; *p < 'e' && *p != '.'; p++) ;
continue; *p++ = 's'; *p = '\0';
sprintf(buff, form, nbuf);
break;
} }
sprintf(buff, form, (double)tv.n); sprintf(buff, form, (double)tv.n);
break; break;