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strfmon_l: Use specified locale for number formatting

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strfmon_l does not take fully into consideration the explicitly passed
locale to perform the formatting.

Parallel universe bug report:	https://sourceware.org/bugzilla/show_bug.cgi?id=19633

Obtained from:	Darwin
Reviewed by:	kib
PR:	267410
Github PR:	#620
MFC after:	1 week
This commit is contained in:
Jose Luis Duran 2022-10-27 22:24:48 -03:00 committed by Konstantin Belousov
parent 29972f06f9
commit 621bf91893
2 changed files with 25 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
lib/libc/stdlib/strfmon.c
View File

@ -71,9 +71,9 @@ __FBSDID("$FreeBSD$");
PRINT(*tmps++); \
} while (0)
#define GET_NUMBER(VAR) do { \
#define GET_NUMBER(VAR, LOC) do { \
VAR = 0; \
while (isdigit((unsigned char)*fmt)) { \
while (isdigit_l((unsigned char)*fmt, LOC)) { \
if (VAR > INT_MAX / 10) \
goto e2big_error; \
VAR *= 10; \
@ -98,9 +98,10 @@ __FBSDID("$FreeBSD$");
groups++; \
} while (0)
static void __setup_vars(int, char *, char *, char *, char **);
static int __calc_left_pad(int, char *);
static char *__format_grouped_double(double, int *, int, int, int);
static void __setup_vars(int, char *, char *, char *, char **, struct lconv *);
static int __calc_left_pad(int, char *, struct lconv *);
static char *__format_grouped_double(double, int *, int, int, int,
struct lconv *, locale_t);
static ssize_t
vstrfmon_l(char * __restrict s, size_t maxsize, locale_t loc,
@ -194,8 +195,8 @@ vstrfmon_l(char * __restrict s, size_t maxsize, locale_t loc,
}
/* field Width */
if (isdigit((unsigned char)*fmt)) {
GET_NUMBER(width);
if (isdigit_l((unsigned char)*fmt, loc)) {
GET_NUMBER(width, loc);
/* Do we have enough space to put number with
* required width ?
*/
@ -205,18 +206,18 @@ vstrfmon_l(char * __restrict s, size_t maxsize, locale_t loc,
/* Left precision */
if (*fmt == '#') {
if (!isdigit((unsigned char)*++fmt))
if (!isdigit_l((unsigned char)*++fmt, loc))
goto format_error;
GET_NUMBER(left_prec);
GET_NUMBER(left_prec, loc);
if ((unsigned int)left_prec >= maxsize - (dst - s))
goto e2big_error;
}
/* Right precision */
if (*fmt == '.') {
if (!isdigit((unsigned char)*++fmt))
if (!isdigit_l((unsigned char)*++fmt, loc))
goto format_error;
GET_NUMBER(right_prec);
GET_NUMBER(right_prec, loc);
if ((unsigned int)right_prec >= maxsize - (dst - s) -
left_prec)
goto e2big_error;
@ -262,8 +263,8 @@ vstrfmon_l(char * __restrict s, size_t maxsize, locale_t loc,
/* fill left_prec with amount of padding chars */
if (left_prec >= 0) {
pad_size = __calc_left_pad((flags ^ IS_NEGATIVE),
currency_symbol) -
__calc_left_pad(flags, currency_symbol);
currency_symbol, lc) -
__calc_left_pad(flags, currency_symbol, lc);
if (pad_size < 0)
pad_size = 0;
}
@ -271,14 +272,14 @@ vstrfmon_l(char * __restrict s, size_t maxsize, locale_t loc,
if (asciivalue != NULL)
free(asciivalue);
asciivalue = __format_grouped_double(value, &flags,
left_prec, right_prec, pad_char);
left_prec, right_prec, pad_char, lc, loc);
if (asciivalue == NULL)
goto end_error; /* errno already set */
/* to ENOMEM by malloc() */
/* set some variables for later use */
__setup_vars(flags, &cs_precedes, &sep_by_space,
&sign_posn, &signstr);
&sign_posn, &signstr, lc);
/*
* Description of some LC_MONETARY's values:
@ -422,10 +423,8 @@ end_error:
static void
__setup_vars(int flags, char *cs_precedes, char *sep_by_space,
char *sign_posn, char **signstr)
char *sign_posn, char **signstr, struct lconv *lc)
{
struct lconv *lc = localeconv();
if ((flags & IS_NEGATIVE) && (flags & USE_INTL_CURRENCY)) {
*cs_precedes = lc->int_n_cs_precedes;
*sep_by_space = lc->int_n_sep_by_space;
@ -460,12 +459,13 @@ __setup_vars(int flags, char *cs_precedes, char *sep_by_space,
}
static int
__calc_left_pad(int flags, char *cur_symb)
__calc_left_pad(int flags, char *cur_symb, struct lconv *lc)
{
char cs_precedes, sep_by_space, sign_posn, *signstr;
int left_chars = 0;
__setup_vars(flags, &cs_precedes, &sep_by_space, &sign_posn, &signstr);
__setup_vars(flags, &cs_precedes, &sep_by_space, &sign_posn,
&signstr, lc);
if (cs_precedes != 0) {
left_chars += strlen(cur_symb);
@ -515,7 +515,7 @@ get_groups(int size, char *grouping)
/* convert double to locale-encoded string */
static char *
__format_grouped_double(double value, int *flags,
int left_prec, int right_prec, int pad_char)
int left_prec, int right_prec, int pad_char, struct lconv *lc, locale_t loc)
{
char *rslt;
@ -527,7 +527,6 @@ __format_grouped_double(double value, int *flags,
int padded;
struct lconv *lc = localeconv();
char *grouping;
const char *decimal_point;
const char *thousands_sep;
@ -566,8 +565,8 @@ __format_grouped_double(double value, int *flags,
left_prec += get_groups(left_prec, grouping);
/* convert to string */
avalue_size = asprintf(&avalue, "%*.*f", left_prec + right_prec + 1,
right_prec, value);
avalue_size = asprintf_l(&avalue, loc, "%*.*f",
left_prec + right_prec + 1, right_prec, value);
if (avalue_size < 0)
return (NULL);

4
lib/libc/tests/stdlib/strfmon_test.c
View File

@ -224,8 +224,8 @@ ATF_TC_BODY(strfmon_l, tc)
const char *expected;
} tests[] = {
{ "C", "[ **1234.57 ] [ **1234.57 ]" },
{ "de_DE.UTF-8", "[ €**1234.57 ] [ EUR**1234.57 ]" }, /* XXX */
{ "en_GB.UTF-8", "[ £**1234.57 ] [ GBP**1234.57 ]" }, /* XXX */
{ "de_DE.UTF-8", "[ **1234,57 €] [ **1.234,57 EUR]" },
{ "en_GB.UTF-8", "[ £**1234.57] [ GBP**1,234.57]" },
};
locale_t loc;
size_t i;