diff options
| -rw-r--r-- | getconf/getconf.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/getconf/getconf.c b/getconf/getconf.c index 9dba3ec..8ede268 100644 --- a/getconf/getconf.c +++ b/getconf/getconf.c @@ -24,6 +24,9 @@ typedef struct variable_mapping /* For variables that are valid, but undefined in this implementation */ #define _UNDEFINED_VARIABLE_ 0x7FEEDFEE +#define SHIMMY_POSIX2_LINE_MAX 0x7FEEDFED +#define SHIMMY_INT_MAX 0x7FEEDFEC + const var_map_t sysconf_vars[] = { /* max */ { "AIO_LISTIO_MAX", _SC_AIO_LISTIO_MAX }, @@ -315,10 +318,13 @@ const var_map_t sysconf_vars[] = { { "_XOPEN_UUCP", _UNDEFINED_VARIABLE_ }, #endif #if defined(_SC_XOPEN_VERSION) - { "_XOPEN_VERSION", _SC_XOPEN_VERSION } + { "_XOPEN_VERSION", _SC_XOPEN_VERSION }, #else /* NetBSD */ - { "_XOPEN_VERSION", _UNDEFINED_VARIABLE_ } + { "_XOPEN_VERSION", _UNDEFINED_VARIABLE_ }, #endif + + { "POSIX2_LINE_MAX", SHIMMY_POSIX2_LINE_MAX }, + { "INT_MAX", SHIMMY_INT_MAX } }; @@ -410,11 +416,20 @@ int do_system_var(char *environment, char *system_var) return 0; } - errno = 0; - - val = sysconf(sysconf_vars[var].value); - if(errno != 0) + switch(sysconf_vars[var].value) { + case SHIMMY_POSIX2_LINE_MAX: + val = LINE_MAX; + break; + case SHIMMY_INT_MAX: + val = INT_MAX; + break; + default: + errno = 0; + + val = sysconf(sysconf_vars[var].value); + if(errno != 0) + { /* We know that this is a valid symbol, so don't break * expectations (see _POSIX_TRACE_LOG in FreeBSD). * @@ -425,8 +440,9 @@ int do_system_var(char *environment, char *system_var) * a result in getconf. So, I feel this is the * strictest way to conform. */ - printf("undefined\n"); - return 0; + printf("undefined\n"); + return 0; + } } printf("%ld\n", val); |