Module Name: src
Committed By: christos
Date: Sun Nov 19 18:57:11 UTC 2023
Modified Files:
src/lib/libc/stdlib: strfmon.c
Log Message:
minimize diffs with FreeBSD.
To generate a diff of this commit:
cvs rdiff -u -r1.19 -r1.20 src/lib/libc/stdlib/strfmon.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/lib/libc/stdlib/strfmon.c
diff -u src/lib/libc/stdlib/strfmon.c:1.19 src/lib/libc/stdlib/strfmon.c:1.20
--- src/lib/libc/stdlib/strfmon.c:1.19 Thu Sep 28 06:03:41 2023
+++ src/lib/libc/stdlib/strfmon.c Sun Nov 19 13:57:11 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: strfmon.c,v 1.19 2023/09/28 10:03:41 martin Exp $ */
+/* $NetBSD: strfmon.c,v 1.20 2023/11/19 18:57:11 christos Exp $ */
/*-
* Copyright (c) 2001 Alexey Zelkin <phan...@freebsd.org>
@@ -32,7 +32,7 @@
#if 0
__FBSDID("$FreeBSD: src/lib/libc/stdlib/strfmon.c,v 1.14 2003/03/20 08:18:55 ache Exp $");
#else
-__RCSID("$NetBSD: strfmon.c,v 1.19 2023/09/28 10:03:41 martin Exp $");
+__RCSID("$NetBSD: strfmon.c,v 1.20 2023/11/19 18:57:11 christos Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
@@ -61,53 +61,53 @@ __RCSID("$NetBSD: strfmon.c,v 1.19 2023/
#define SUPPRESS_CURR_SYMBOL 0x10 /* suppress the currency from output */
#define LEFT_JUSTIFY 0x20 /* left justify */
#define USE_INTL_CURRENCY 0x40 /* use international currency symbol */
-#define IS_NEGATIVE 0x80 /* is argument value negative ? */
-
-#ifndef NBCHAR_MAX
-#define NBCHAR_MAX ((unsigned char)CHAR_MAX)
-#endif
+#define IS_NEGATIVE 0x80 /* is argument value negative ? */
/* internal macros */
-#define PRINT(CH) do { \
+#define PRINT(CH) do { \
if (dst >= s + maxsize) \
goto e2big_error; \
*dst++ = CH; \
} while (0)
-#define PRINTS(STR) do { \
+#define PRINTS(STR) do { \
const char *tmps = STR; \
while (*tmps != '\0') \
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; \
VAR += *fmt - '0'; \
- if (VAR > 0x00ffffff) \
+ if (VAR < 0) \
goto e2big_error; \
fmt++; \
} \
} while (0)
-#define GRPCPY(howmany) do { \
+#define GRPCPY(howmany) do { \
int i = howmany; \
while (i-- > 0) { \
avalue_size--; \
- *--bufend = *(avalue+avalue_size+padded); \
+ *--bufend = *(avalue + avalue_size + padded); \
} \
} while (0)
-#define GRPSEP do { \
+#define GRPSEP do { \
bufend -= thousands_sep_size; \
memcpy(bufend, thousands_sep, thousands_sep_size); \
groups++; \
} while (0)
-static void __setup_vars(struct lconv *, int, char *, char *, char *, const char **);
-static int __calc_left_pad(struct lconv *, int, char *);
-static char *__format_grouped_double(struct lconv *, double, int *, int, int, int);
+static void __setup_vars(int, char *, char *, char *, const 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 loc);
static ssize_t
vstrfmon_l(char * __restrict s, size_t maxsize, locale_t loc,
@@ -150,7 +150,7 @@ vstrfmon_l(char * __restrict s, size_t m
/* '%' found ! */
/* "%%" mean just '%' */
- if (*(fmt+1) == '%') {
+ if (*(fmt + 1) == '%') {
fmt++;
literal:
PRINT(*fmt++);
@@ -200,9 +200,9 @@ vstrfmon_l(char * __restrict s, size_t m
}
/* field Width */
- if (isdigit((unsigned char)*fmt)) {
+ if (isdigit_l((unsigned char)*fmt, loc)) {
ptrdiff_t d = dst - s;
- GET_NUMBER(width);
+ GET_NUMBER(width, loc);
/* Do we have enough space to put number with
* required width ?
*/
@@ -213,18 +213,18 @@ vstrfmon_l(char * __restrict s, size_t m
/* 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;
@@ -243,7 +243,7 @@ vstrfmon_l(char * __restrict s, size_t m
goto format_error;
}
- if (currency_symbol)
+ if (currency_symbol != NULL)
free(currency_symbol);
if (flags & USE_INTL_CURRENCY) {
currency_symbol = strdup(lc->int_curr_symbol);
@@ -252,7 +252,6 @@ vstrfmon_l(char * __restrict s, size_t m
space_char = currency_symbol[3];
currency_symbol[3] = '\0';
}
-
} else
currency_symbol = strdup(lc->currency_symbol);
@@ -270,24 +269,24 @@ vstrfmon_l(char * __restrict s, size_t m
/* fill left_prec with amount of padding chars */
if (left_prec >= 0) {
- pad_size = __calc_left_pad(lc, (flags ^ IS_NEGATIVE),
- currency_symbol) -
- __calc_left_pad(lc, flags, currency_symbol);
+ pad_size = __calc_left_pad((flags ^ IS_NEGATIVE),
+ currency_symbol, lc) -
+ __calc_left_pad(flags, currency_symbol, lc);
if (pad_size < 0)
pad_size = 0;
}
if (asciivalue != NULL)
free(asciivalue);
- asciivalue = __format_grouped_double(lc, value, &flags,
- left_prec, right_prec, pad_char);
+ asciivalue = __format_grouped_double(value, &flags,
+ 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(lc, flags, &cs_precedes, &sep_by_space,
- &sign_posn, &signstr);
+ __setup_vars(flags, &cs_precedes, &sep_by_space,
+ &sign_posn, &signstr, lc);
/*
* Description of some LC_MONETARY's values:
@@ -295,29 +294,29 @@ vstrfmon_l(char * __restrict s, size_t m
* p_cs_precedes & n_cs_precedes
*
* = 1 - $currency_symbol precedes the value
- * for a monetary quantity with a non-negative value
+ * for a monetary quantity with a non-negative value
* = 0 - symbol succeeds the value
*
* p_sep_by_space & n_sep_by_space
- *
+ *
* = 0 - no space separates $currency_symbol
- * from the value for a monetary quantity with a
+ * from the value for a monetary quantity with a
* non-negative value
* = 1 - space separates the symbol from the value
* = 2 - space separates the symbol and the sign string,
- * if adjacent.
- *
+ * if adjacent.
+ *
* p_sign_posn & n_sign_posn
- *
+ *
* = 0 - parentheses enclose the quantity and the
* $currency_symbol
* = 1 - the sign string precedes the quantity and the
- * $currency_symbol
+ * $currency_symbol
* = 2 - the sign string succeeds the quantity and the
- * $currency_symbol
+ * $currency_symbol
* = 3 - the sign string precedes the $currency_symbol
* = 4 - the sign string succeeds the $currency_symbol
- *
+ *
*/
tmpptr = dst;
@@ -331,7 +330,7 @@ vstrfmon_l(char * __restrict s, size_t m
if (cs_precedes == 1) {
if (sign_posn == 1 || sign_posn == 3) {
PRINTS(signstr);
- if (sep_by_space == 2) /* XXX: ? */
+ if (sep_by_space == 2) /* XXX: ? */
PRINT(' ');
}
@@ -347,8 +346,11 @@ vstrfmon_l(char * __restrict s, size_t m
} else if (sep_by_space == 1)
PRINT(space_char);
}
- } else if (sign_posn == 1)
+ } else if (sign_posn == 1) {
PRINTS(signstr);
+ if (sep_by_space == 2)
+ PRINT(' ');
+ }
PRINTS(asciivalue);
@@ -382,20 +384,27 @@ vstrfmon_l(char * __restrict s, size_t m
PRINTS(signstr);
}
- if (sign_posn == 0 && (flags & IS_NEGATIVE))
- PRINT(')');
+ if (sign_posn == 0) {
+ if (flags & IS_NEGATIVE)
+ PRINT(')');
+#if 0
+ else if (left_prec >= 0)
+ PRINT(' ');
+#endif
+ }
if (dst - tmpptr < width) {
if (flags & LEFT_JUSTIFY) {
while (dst - tmpptr < width)
PRINT(' ');
} else {
+ size_t wps;
_DIAGASSERT(__type_fit(int, dst - tmpptr));
- pad_size = dst - tmpptr;
- memmove(tmpptr + width-pad_size, tmpptr,
- (size_t) pad_size);
- memset(tmpptr, ' ', (size_t) width-pad_size);
- dst += width-pad_size;
+ pad_size = (int)(dst - tmpptr);
+ wps = width - pad_size;
+ memmove(tmpptr + wps, tmpptr, (size_t)pad_size);
+ memset(tmpptr, ' ', wps);
+ dst += wps;
}
}
}
@@ -423,8 +432,9 @@ end_error:
}
static void
-__setup_vars(struct lconv *lc, int flags, char *cs_precedes, char *sep_by_space,
- char *sign_posn, const char **signstr) {
+__setup_vars(int flags, char *cs_precedes, char *sep_by_space,
+ char *sign_posn, const char **signstr, struct lconv *lc)
+{
if ((flags & IS_NEGATIVE) && (flags & USE_INTL_CURRENCY)) {
*cs_precedes = lc->int_n_cs_precedes;
@@ -453,20 +463,21 @@ __setup_vars(struct lconv *lc, int flags
/* Set default values for unspecified information. */
if (*cs_precedes != 0)
*cs_precedes = 1;
- if ((unsigned char)*sep_by_space == NBCHAR_MAX)
- *sep_by_space = 1;
- if ((unsigned char)*sign_posn == NBCHAR_MAX)
+ if (*sep_by_space == CHAR_MAX)
+ *sep_by_space = 0;
+ if (*sign_posn == CHAR_MAX)
*sign_posn = 0;
}
static int
-__calc_left_pad(struct lconv *lc, int flags, char *cur_symb) {
-
+__calc_left_pad(int flags, char *cur_symb, struct lconv *lc)
+{
char cs_precedes, sep_by_space, sign_posn;
const char *signstr;
size_t left_chars = 0;
- __setup_vars(lc, 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);
@@ -475,6 +486,10 @@ __calc_left_pad(struct lconv *lc, int fl
}
switch (sign_posn) {
+ case 0:
+ if (flags & IS_NEGATIVE)
+ left_chars++;
+ break;
case 1:
left_chars += strlen(signstr);
break;
@@ -488,18 +503,18 @@ __calc_left_pad(struct lconv *lc, int fl
}
static int
-get_groups(int size, char *grouping) {
-
+get_groups(int size, char *grouping)
+{
int chars = 0;
- if ((unsigned char)*grouping == NBCHAR_MAX || *grouping <= 0) /* no grouping ? */
+ if (*grouping == CHAR_MAX || *grouping <= 0) /* no grouping ? */
return (0);
while (size > (int)*grouping) {
chars++;
size -= (int)*grouping++;
/* no more grouping ? */
- if ((unsigned char)*grouping == NBCHAR_MAX)
+ if (*grouping == CHAR_MAX)
break;
/* rest grouping with same value ? */
if (*grouping == 0) {
@@ -512,8 +527,9 @@ get_groups(int size, char *grouping) {
/* convert double to locale-encoded string */
static char *
-__format_grouped_double(struct lconv *lc, double value, int *flags,
- int left_prec, int right_prec, int pad_char) {
+__format_grouped_double(double value, int *flags, int left_prec,
+ int right_prec, int pad_char, struct lconv *lc, locale_t loc)
+{
char *rslt;
char *avalue;
@@ -549,10 +565,10 @@ __format_grouped_double(struct lconv *lc
/* fill right_prec with default value */
if (right_prec == -1) {
- if (*flags & USE_INTL_CURRENCY)
- right_prec = lc->int_frac_digits;
- else
- right_prec = lc->frac_digits;
+ if (*flags & USE_INTL_CURRENCY)
+ right_prec = lc->int_frac_digits;
+ else
+ right_prec = lc->frac_digits;
if (right_prec == CHAR_MAX) /* POSIX locale ? */
right_prec = 2;
@@ -562,8 +578,8 @@ __format_grouped_double(struct lconv *lc
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);
@@ -586,7 +602,7 @@ __format_grouped_double(struct lconv *lc
if (right_prec > 0) {
bufend -= right_prec;
- memcpy(bufend, avalue + avalue_size+padded-right_prec,
+ memcpy(bufend, avalue + avalue_size + padded - right_prec,
(size_t) right_prec);
bufend -= decimal_point_size;
memcpy(bufend, decimal_point, decimal_point_size);
@@ -595,7 +611,7 @@ __format_grouped_double(struct lconv *lc
if ((*flags & NEED_GROUPING) &&
thousands_sep_size > 0 && /* XXX: need investigation */
- (unsigned char)*grouping != NBCHAR_MAX &&
+ *grouping != CHAR_MAX &&
*grouping > 0) {
while (avalue_size > (int)*grouping) {
GRPCPY(*grouping);
@@ -603,7 +619,7 @@ __format_grouped_double(struct lconv *lc
grouping++;
/* no more grouping ? */
- if ((unsigned char)*grouping == NBCHAR_MAX)
+ if (*grouping == CHAR_MAX)
break;
/* rest grouping with same value ? */
@@ -618,12 +634,11 @@ __format_grouped_double(struct lconv *lc
if (avalue_size != 0)
GRPCPY(avalue_size);
padded -= groups;
-
} else {
bufend -= avalue_size;
- memcpy(bufend, avalue+padded, (size_t) avalue_size);
+ memcpy(bufend, avalue + padded, (size_t) avalue_size);
if (right_prec == 0)
- padded -= decimal_point_size;
+ padded -= (int)decimal_point_size;
}
/* do padding with pad_char */
@@ -642,26 +657,26 @@ ssize_t
strfmon(char * __restrict s, size_t maxsize, const char * __restrict format,
...)
{
- ssize_t rv;
+ ssize_t ret;
va_list ap;
va_start(ap, format);
- rv = vstrfmon_l(s, maxsize, _current_locale(), format, ap);
+ ret = vstrfmon_l(s, maxsize, _current_locale(), format, ap);
va_end(ap);
- return rv;
+ return ret;
}
ssize_t
strfmon_l(char * __restrict s, size_t maxsize, locale_t loc,
const char * __restrict format, ...)
{
- ssize_t rv;
+ ssize_t ret;
va_list ap;
va_start(ap, format);
- rv = vstrfmon_l(s, maxsize, loc, format, ap);
+ ret = vstrfmon_l(s, maxsize, loc, format, ap);
va_end(ap);
- return rv;
+ return ret;
}
