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getconf: detect undefined values with sysconf()

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This commit is contained in:
Pierre Pronchery 2020-12-21 04:17:51 +01:00
parent 92140ed816
commit 66890c1b41
1 changed files with 8 additions and 2 deletions
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10
src/getconf.c
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@ -296,9 +296,15 @@ static int _getconf_limits(char const * var)
break; break;
if(i == cnt) if(i == cnt)
return _getconf_values(var); return _getconf_values(var);
errno = 0;
if((value = sysconf(_getconf_catalog_limits[i].name)) < 0) if((value = sysconf(_getconf_catalog_limits[i].name)) < 0)
return _getconf_error(var, 2); {
printf("%ld\n", value); if(errno != 0)
return _getconf_error(var, 2);
printf("%s", "undefined\n");
}
else
printf("%ld\n", value);
return 0; return 0;
} }