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[svn] Correctly implement thousand seps of more than one character.

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This commit is contained in:
hniksic 2005-06-26 11:06:11 -07:00
parent c0b5603537
commit ab4abc4056
2 changed files with 51 additions and 26 deletions
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5
src/ChangeLog
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@ -1,3 +1,8 @@
2005-06-26 Hrvoje Niksic <hniksic@xemacs.org>
* utils.c (with_thousand_seps): Correctly implement thousand seps
consisting of more than one character.
2005-06-26 Hrvoje Niksic <hniksic@xemacs.org>
* main.c (secs_to_human_time): Ditto.

72
src/utils.c
View File

@ -1164,6 +1164,35 @@ free_keys_and_values (struct hash_table *ht)
}
static void
get_grouping_data (const char **sep, const char **grouping)
{
static const char *cached_sep;
static const char *cached_grouping;
static bool initialized;
if (!initialized)
{
#ifdef LC_NUMERIC
/* Get the grouping info from the locale. */
struct lconv *lconv;
const char *oldlocale = setlocale (LC_NUMERIC, "");
lconv = localeconv ();
cached_sep = xstrdup (lconv->thousands_sep);
cached_grouping = xstrdup (lconv->grouping);
/* Restore the locale to previous settings. */
setlocale (LC_NUMERIC, oldlocale);
if (!cached_sep)
#endif
/* Force separator for locales that specify no separators
("C", "hr", and probably many more.) */
cached_sep = ",", cached_grouping = "\x03";
initialized = true;
}
*sep = cached_sep;
*grouping = cached_grouping;
}
/* Return a printed representation of N with thousand separators.
This should respect locale settings, with the exception of the "C"
locale which mandates no separator, but we use one anyway.
@ -1177,47 +1206,38 @@ const char *
with_thousand_seps (wgint n)
{
static char outbuf[48];
char *p = outbuf + sizeof outbuf;
static char loc_sepchar;
static const char *loc_grouping;
/* Info received from locale */
const char *grouping, *sep;
int seplen;
/* State information */
int i = 0, groupsize;
char *p;
const char *atgroup;
if (!loc_sepchar)
{
#ifdef LC_NUMERIC
/* Get the grouping character from the locale. */
struct lconv *lconv;
const char *oldlocale = setlocale (LC_NUMERIC, "");
lconv = localeconv ();
loc_sepchar = *lconv->thousands_sep;
loc_grouping = xstrdup (lconv->grouping);
/* Restore the C locale semantics of printing and reading numbers */
setlocale (LC_NUMERIC, oldlocale);
if (!loc_sepchar)
#endif
/* defaults for C locale or no locale */
loc_sepchar = ',', loc_grouping = "\x03";
}
atgroup = loc_grouping;
p = outbuf + sizeof outbuf;
*--p = '\0';
/* Initialize grouping data. */
get_grouping_data (&sep, &grouping);
seplen = strlen (sep);
atgroup = grouping;
groupsize = *atgroup++;
/* Write the number into the buffer, backwards, inserting the
separators as necessary. */
*--p = '\0';
while (1)
{
*--p = n % 10 + '0';
n /= 10;
if (n == 0)
break;
/* Insert the separator on every groupsize'd digit, and get the
new groupsize. */
/* Prepend SEP to every groupsize'd digit and get new groupsize. */
if (++i == groupsize)
{
*--p = loc_sepchar;
if (seplen == 1)
*--p = *sep;
else
memcpy (p -= seplen, sep, seplen);
i = 0;
if (*atgroup)
groupsize = *atgroup++;