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getconf: code cleanup

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This commit is contained in:
Pierre Pronchery 2020-12-21 04:21:18 +01:00
parent 1f168930d7
commit 7c98789128
1 changed files with 94 additions and 94 deletions
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188
src/getconf.c
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@ -46,7 +46,74 @@ static const getconf_catalog _getconf_catalog_confstr[] =
#endif #endif
}; };
static const getconf_catalog _getconf_catalog_limits[] = static const getconf_catalog _getconf_catalog_pathconf[] =
{
#ifdef _PC_2_SYMLINKS
{ _PC_2_SYMLINKS, "POSIX2_SYMLINKS" },
#endif
#ifdef _PC_ALLOC_SIZE_MIN
{ _PC_ALLOC_SIZE_MIN, "POSIX_ALLOC_SIZE_MIN" },
#endif
#ifdef _PC_ASYNC_IO
{ _PC_ASYNC_IO, "_POSIX_ASYNC_IO" },
#endif
#ifdef _PC_CHOWN_RESTRICTED
{ _PC_CHOWN_RESTRICTED, "POSIX_CHOWN_RESTRICTED" },
#endif
#ifdef _PC_FILESIZEBITS
{ _PC_FILESIZEBITS, "FILESIZEBITS" },
#endif
#ifdef _PC_LINK_MAX
{ _PC_LINK_MAX, "LINK_MAX" },
#endif
#ifdef _PC_MAX_CANON
{ _PC_MAX_CANON, "MAX_CANON" },
#endif
#ifdef _PC_MAX_INPUT
{ _PC_MAX_INPUT, "MAX_INPUT" },
#endif
#ifdef _PC_NAME_MAX
{ _PC_NAME_MAX, "NAME_MAX" },
#endif
#ifdef _PC_NO_TRUNC
{ _PC_NO_TRUNC, "POSIX_NO_TRUNC" },
#endif
#ifdef _PC_PATH_MAX
{ _PC_PATH_MAX, "PATH_MAX" },
#endif
#ifdef _PC_PIPE_BUF
{ _PC_PIPE_BUF, "PIPE_BUF" },
#endif
#ifdef _PC_PRIO_IO
{ _PC_PRIO_IO, "_POSIX_PRIO_IO" },
#endif
#ifdef _PC_REC_INCR_XFER_SIZE
{ _PC_REC_INCR_XFER_SIZE,"POSIX_REC_INCR_XFER_SIZE" },
#endif
#ifdef _PC_REC_MAX_XFER_SIZE
{ _PC_REC_MAX_XFER_SIZE,"POSIX_REC_MAX_XFER_SIZE" },
#endif
#ifdef _PC_REC_MIN_XFER_SIZE
{ _PC_REC_MIN_XFER_SIZE,"POSIX_REC_MIN_XFER_SIZE" },
#endif
#ifdef _PC_REC_XFER_ALIGN
{ _PC_REC_XFER_ALIGN, "POSIX_REC_XFER_ALIGN" },
#endif
#ifdef _PC_SYMLINK_MAX
{ _PC_SYMLINK_MAX, "SYMLINK_MAX" },
#endif
#ifdef _PC_SYNC_IO
{ _PC_SYNC_IO, "_POSIX_SYNC_IO" },
#endif
#ifdef _PC_TIMESTAMP_RESOLUTION
{ _PC_TIMESTAMP_RESOLUTION,"_POSIX_TIMESTAMP_RESOLUTION" },
#endif
#ifdef _PC_VDISABLE
{ _PC_VDISABLE, "_POSIX_VDISABLE" },
#endif
};
static const getconf_catalog _getconf_catalog_sysconf[] =
{ {
#ifdef _SC_2_C_BIND #ifdef _SC_2_C_BIND
{ _SC_2_C_BIND, "_POSIX2_C_BIND" }, { _SC_2_C_BIND, "_POSIX2_C_BIND" },
@ -155,73 +222,6 @@ static const getconf_catalog _getconf_catalog_limits[] =
#endif #endif
}; };
static const getconf_catalog _getconf_catalog_pathconf[] =
{
#ifdef _PC_2_SYMLINKS
{ _PC_2_SYMLINKS, "POSIX2_SYMLINKS" },
#endif
#ifdef _PC_ALLOC_SIZE_MIN
{ _PC_ALLOC_SIZE_MIN, "POSIX_ALLOC_SIZE_MIN" },
#endif
#ifdef _PC_ASYNC_IO
{ _PC_ASYNC_IO, "_POSIX_ASYNC_IO" },
#endif
#ifdef _PC_CHOWN_RESTRICTED
{ _PC_CHOWN_RESTRICTED, "POSIX_CHOWN_RESTRICTED" },
#endif
#ifdef _PC_FILESIZEBITS
{ _PC_FILESIZEBITS, "FILESIZEBITS" },
#endif
#ifdef _PC_LINK_MAX
{ _PC_LINK_MAX, "LINK_MAX" },
#endif
#ifdef _PC_MAX_CANON
{ _PC_MAX_CANON, "MAX_CANON" },
#endif
#ifdef _PC_MAX_INPUT
{ _PC_MAX_INPUT, "MAX_INPUT" },
#endif
#ifdef _PC_NAME_MAX
{ _PC_NAME_MAX, "NAME_MAX" },
#endif
#ifdef _PC_NO_TRUNC
{ _PC_NO_TRUNC, "POSIX_NO_TRUNC" },
#endif
#ifdef _PC_PATH_MAX
{ _PC_PATH_MAX, "PATH_MAX" },
#endif
#ifdef _PC_PIPE_BUF
{ _PC_PIPE_BUF, "PIPE_BUF" },
#endif
#ifdef _PC_PRIO_IO
{ _PC_PRIO_IO, "_POSIX_PRIO_IO" },
#endif
#ifdef _PC_REC_INCR_XFER_SIZE
{ _PC_REC_INCR_XFER_SIZE,"POSIX_REC_INCR_XFER_SIZE" },
#endif
#ifdef _PC_REC_MAX_XFER_SIZE
{ _PC_REC_MAX_XFER_SIZE,"POSIX_REC_MAX_XFER_SIZE" },
#endif
#ifdef _PC_REC_MIN_XFER_SIZE
{ _PC_REC_MIN_XFER_SIZE,"POSIX_REC_MIN_XFER_SIZE" },
#endif
#ifdef _PC_REC_XFER_ALIGN
{ _PC_REC_XFER_ALIGN, "POSIX_REC_XFER_ALIGN" },
#endif
#ifdef _PC_SYMLINK_MAX
{ _PC_SYMLINK_MAX, "SYMLINK_MAX" },
#endif
#ifdef _PC_SYNC_IO
{ _PC_SYNC_IO, "_POSIX_SYNC_IO" },
#endif
#ifdef _PC_TIMESTAMP_RESOLUTION
{ _PC_TIMESTAMP_RESOLUTION,"_POSIX_TIMESTAMP_RESOLUTION" },
#endif
#ifdef _PC_VDISABLE
{ _PC_VDISABLE, "_POSIX_VDISABLE" },
#endif
};
static const getconf_catalog _getconf_catalog_values[] = static const getconf_catalog _getconf_catalog_values[] =
{ {
#ifdef _POSIX2_BC_BASE_MAX #ifdef _POSIX2_BC_BASE_MAX
@ -288,8 +288,8 @@ static int _usage(void);
/* functions */ /* functions */
/* getconf */ /* getconf */
static int _getconf_confstr(char const * var); static int _getconf_confstr(char const * var);
static int _getconf_limits(char const * var);
static int _getconf_pathconf(char const * var, char const * path); static int _getconf_pathconf(char const * var, char const * path);
static int _getconf_sysconf(char const * var);
static int _getconf_values(char const * var); static int _getconf_values(char const * var);
static int _getconf(char const * specification, char const * var, static int _getconf(char const * specification, char const * var,
@ -299,7 +299,7 @@ static int _getconf(char const * specification, char const * var,
return _getconf_pathconf(var, path); return _getconf_pathconf(var, path);
if(strncmp(var, "_SC_", 4) == 0) if(strncmp(var, "_SC_", 4) == 0)
return _getconf_confstr(var); return _getconf_confstr(var);
return _getconf_limits(var); return _getconf_sysconf(var);
} }
static int _getconf_confstr(char const * var) static int _getconf_confstr(char const * var)
@ -329,30 +329,6 @@ static int _getconf_confstr(char const * var)
return 0; return 0;
} }
static int _getconf_limits(char const * var)
{
size_t i;
size_t cnt = sizeof(_getconf_catalog_limits)
/ sizeof(*_getconf_catalog_limits);
long value;
for(i = 0; i < cnt; i++)
if(strcmp(_getconf_catalog_limits[i].string, var) == 0)
break;
if(i == cnt)
return _getconf_values(var);
errno = 0;
if((value = sysconf(_getconf_catalog_limits[i].name)) < 0)
{
if(errno != 0)
return _getconf_error(var, 2);
printf("%s", "undefined\n");
}
else
printf("%ld\n", value);
return 0;
}
static int _getconf_pathconf(char const * var, char const * path) static int _getconf_pathconf(char const * var, char const * path)
{ {
size_t i; size_t i;
@ -371,6 +347,30 @@ static int _getconf_pathconf(char const * var, char const * path)
return 0; return 0;
} }
static int _getconf_sysconf(char const * var)
{
size_t i;
size_t cnt = sizeof(_getconf_catalog_sysconf)
/ sizeof(*_getconf_catalog_sysconf);
long value;
for(i = 0; i < cnt; i++)
if(strcmp(_getconf_catalog_sysconf[i].string, var) == 0)
break;
if(i == cnt)
return _getconf_values(var);
errno = 0;
if((value = sysconf(_getconf_catalog_sysconf[i].name)) < 0)
{
if(errno != 0)
return _getconf_error(var, 2);
printf("%s", "undefined\n");
}
else
printf("%ld\n", value);
return 0;
}
static int _getconf_values(char const * var) static int _getconf_values(char const * var)
{ {
size_t i; size_t i;