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daniel-95daniel-95
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Merge pull request #506 from postgrespro/PBCKP-216-float_locale
Pbckp 216 float locale
2 parents 88b50da + c0c07ac commit 9f2ded0

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4 files changed

+62
-2
lines changed

4 files changed

+62
-2
lines changed

‎src/pg_probackup.c

+6
Original file line numberDiff line numberDiff line change
@@ -315,6 +315,10 @@ main(int argc, char *argv[])
315315
set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pg_probackup"));
316316
PROGRAM_FULL_PATH = palloc0(MAXPGPATH);
317317

318+
// Setting C locale for numeric values in order to impose dot-based floating-point representation
319+
memorize_environment_locale();
320+
setlocale(LC_NUMERIC, "C");
321+
318322
/* Get current time */
319323
current_time = time(NULL);
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@@ -1050,6 +1054,8 @@ main(int argc, char *argv[])
10501054
break;
10511055
}
10521056

1057+
free_environment_locale();
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10531059
return 0;
10541060
}
10551061

‎src/pg_probackup.h

+2
Original file line numberDiff line numberDiff line change
@@ -907,6 +907,8 @@ extern InstanceConfig *readInstanceConfigFile(InstanceState *instanceState);
907907
/* in show.c */
908908
extern int do_show(CatalogState *catalogState, InstanceState *instanceState,
909909
time_t requested_backup_id, bool show_archive);
910+
extern void memorize_environment_locale(void);
911+
extern void free_environment_locale(void);
910912

911913
/* in delete.c */
912914
extern void do_delete(InstanceState *instanceState, time_t backup_id);

‎src/show.c

+51-2
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,7 @@
33
* show.c: show backup information.
44
*
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* Portions Copyright (c) 2009-2011, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
6-
* Portions Copyright (c) 2015-2019, Postgres Professional
6+
* Portions Copyright (c) 2015-2022, Postgres Professional
77
*
88
*-------------------------------------------------------------------------
99
*/
@@ -12,6 +12,7 @@
1212

1313
#include <time.h>
1414
#include <dirent.h>
15+
#include <locale.h>
1516
#include <sys/stat.h>
1617

1718
#include "utils/json.h"
@@ -71,6 +72,43 @@ static PQExpBufferData show_buf;
7172
static bool first_instance = true;
7273
static int32 json_level = 0;
7374

75+
static const char* lc_env_locale;
76+
typedef enum {
77+
LOCALE_C, // Used for formatting output to unify the dot-based floating point representation
78+
LOCALE_ENV // Default environment locale
79+
} output_numeric_locale;
80+
81+
#ifdef HAVE_USELOCALE
82+
static locale_t env_locale, c_locale;
83+
#endif
84+
void memorize_environment_locale() {
85+
lc_env_locale = (const char *)getenv("LC_NUMERIC");
86+
lc_env_locale = lc_env_locale != NULL ? lc_env_locale : "C";
87+
#ifdef HAVE_USELOCALE
88+
env_locale = newlocale(LC_NUMERIC_MASK, lc_env_locale, (locale_t)0);
89+
c_locale = newlocale(LC_NUMERIC_MASK, "C", (locale_t)0);
90+
#else
91+
#ifdef HAVE__CONFIGTHREADLOCALE
92+
_configthreadlocale(_ENABLE_PER_THREAD_LOCALE);
93+
#endif
94+
#endif
95+
}
96+
97+
void free_environment_locale() {
98+
#ifdef HAVE_USELOCALE
99+
freelocale(env_locale);
100+
freelocale(c_locale);
101+
#endif
102+
}
103+
104+
static void set_output_numeric_locale(output_numeric_locale loc) {
105+
#ifdef HAVE_USELOCALE
106+
uselocale(loc == LOCALE_C ? c_locale : env_locale);
107+
#else
108+
setlocale(LC_NUMERIC, loc == LOCALE_C ? "C" : lc_env_locale);
109+
#endif
110+
}
111+
74112
/*
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* Entry point of pg_probackup SHOW subcommand.
76114
*/
@@ -513,6 +551,9 @@ show_instance_plain(const char *instance_name, parray *backup_list, bool show_na
513551
ShowBackendRow *rows;
514552
TimeLineID parent_tli = 0;
515553

554+
// Since we've been printing a table, set LC_NUMERIC to its default environment value
555+
set_output_numeric_locale(LOCALE_ENV);
556+
516557
for (i = 0; i < SHOW_FIELDS_COUNT; i++)
517558
widths[i] = strlen(names[i]);
518559

@@ -726,6 +767,8 @@ show_instance_plain(const char *instance_name, parray *backup_list, bool show_na
726767
}
727768

728769
pfree(rows);
770+
// Restore the C locale
771+
set_output_numeric_locale(LOCALE_C);
729772
}
730773

731774
/*
@@ -806,6 +849,9 @@ show_archive_plain(const char *instance_name, uint32 xlog_seg_size,
806849
uint32 widths_sum = 0;
807850
ShowArchiveRow *rows;
808851

852+
// Since we've been printing a table, set LC_NUMERIC to its default environment value
853+
set_output_numeric_locale(LOCALE_ENV);
854+
809855
for (i = 0; i < SHOW_ARCHIVE_FIELDS_COUNT; i++)
810856
widths[i] = strlen(names[i]);
811857

@@ -973,6 +1019,8 @@ show_archive_plain(const char *instance_name, uint32 xlog_seg_size,
9731019
}
9741020

9751021
pfree(rows);
1022+
// Restore the C locale
1023+
set_output_numeric_locale(LOCALE_C);
9761024
//TODO: free timelines
9771025
}
9781026

@@ -1045,8 +1093,9 @@ show_archive_json(const char *instance_name, uint32 xlog_seg_size,
10451093
appendPQExpBuffer(buf, "%lu", tlinfo->size);
10461094

10471095
json_add_key(buf, "zratio", json_level);
1096+
10481097
if (tlinfo->size != 0)
1049-
zratio = ((float)xlog_seg_size*tlinfo->n_xlog_files) / tlinfo->size;
1098+
zratio = ((float) xlog_seg_size * tlinfo->n_xlog_files) / tlinfo->size;
10501099
appendPQExpBuffer(buf, "%.2f", zratio);
10511100

10521101
if (tlinfo->closest_backup != NULL)

‎src/utils/configuration.c

+3
Original file line numberDiff line numberDiff line change
@@ -18,6 +18,9 @@
1818

1919
#include "getopt_long.h"
2020

21+
#ifndef WIN32
22+
#include <pwd.h>
23+
#endif
2124
#include <time.h>
2225

2326
#define MAXPG_LSNCOMPONENT 8

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