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Typedefs | Functions

option_utils.h File Reference

#include "common/file_utils.h"

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Typedefs

typedef void(* help_handler) (const char *progname)

Functions

void handle_help_version_opts (int argc, char *argv[], const char *fixed_progname, help_handler hlp)

bool option_parse_int (const char *optarg, const char *optname, int min_range, int max_range, int *result)

bool parse_sync_method (const char *optarg, DataDirSyncMethod *sync_method)

Typedef Documentation

◆ help_handler

typedef void(* help_handler) (const char *progname)

Definition at line 17 of file option_utils.h.

Function Documentation

◆ handle_help_version_opts()

void handle_help_version_opts ( int argc,

char * argv[],

const char * fixed_progname,

help_handler hlp

)

Definition at line 24 of file option_utils.c.

26{

27 if (argc > 1)

28 {

29 if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0)

30 {

31 hlp(get_progname(argv[0]));

32 exit(0);

33 }

34 if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0)

35 {

36 printf("%s (PostgreSQL) " PG_VERSION "\n", fixed_progname);

37 exit(0);

38 }

39 }

40}

get_progname

const char * get_progname(const char *argv0)

Definition: path.c:652

printf

#define printf(...)

Definition: port.h:245

References get_progname(), and printf.

Referenced by main().

◆ option_parse_int()

bool option_parse_int ( const char * optarg,

const char * optname,

int min_range,

int max_range,

int * result

)

Definition at line 50 of file option_utils.c.

53{

54 char *endptr;

55 int val;

56

57 errno = 0;

58 val = strtoint(optarg, &endptr, 10);

59

60 /*

61 * Skip any trailing whitespace; if anything but whitespace remains before

62 * the terminating character, fail.

63 */

64 while (*endptr != '0円' && isspace((unsigned char) *endptr))

65 endptr++;

66

67 if (*endptr != '0円')

68 {

69 pg_log_error("invalid value \"%s\" for option %s",

70 optarg, optname);

71 return false;

72 }

73

74 if (errno == ERANGE || val < min_range || val > max_range)

75 {

76 pg_log_error("%s must be in range %d..%d",

77 optname, min_range, max_range);

78 return false;

79 }

80

81 if (result)

82 *result = val;

83 return true;

84}

val

long val

Definition: informix.c:689

pg_log_error

#define pg_log_error(...)

Definition: logging.h:106

optarg

PGDLLIMPORT char * optarg

Definition: getopt.c:53

strtoint

int strtoint(const char *pg_restrict str, char **pg_restrict endptr, int base)

Definition: string.c:50

References optarg, pg_log_error, strtoint(), and val.

Referenced by main().

◆ parse_sync_method()

bool parse_sync_method ( const char * optarg,

DataDirSyncMethod * sync_method

)

Definition at line 90 of file option_utils.c.

91{

92 if (strcmp(optarg, "fsync") == 0)

93 *sync_method = DATA_DIR_SYNC_METHOD_FSYNC;

94 else if (strcmp(optarg, "syncfs") == 0)

95 {

96#ifdef HAVE_SYNCFS

97 *sync_method = DATA_DIR_SYNC_METHOD_SYNCFS;

98#else

99 pg_log_error("this build does not support sync method \"%s\"",

100 "syncfs");

101 return false;

102#endif

103 }

104 else

105 {

106 pg_log_error("unrecognized sync method: %s", optarg);

107 return false;

108 }

109

110 return true;

111}

DATA_DIR_SYNC_METHOD_SYNCFS

@ DATA_DIR_SYNC_METHOD_SYNCFS

Definition: file_utils.h:30

DATA_DIR_SYNC_METHOD_FSYNC

@ DATA_DIR_SYNC_METHOD_FSYNC

Definition: file_utils.h:29

sync_method

static DataDirSyncMethod sync_method

Definition: initdb.c:170

References DATA_DIR_SYNC_METHOD_FSYNC, DATA_DIR_SYNC_METHOD_SYNCFS, optarg, pg_log_error, and sync_method.

Referenced by main(), and parseCommandLine().