diff options
Diffstat (limited to 'libc/unistd/sysconf.c')
| -rw-r--r-- | libc/unistd/sysconf.c | 46 |
1 files changed, 15 insertions, 31 deletions
diff --git a/libc/unistd/sysconf.c b/libc/unistd/sysconf.c index daf0e6144..f5b49a10f 100644 --- a/libc/unistd/sysconf.c +++ b/libc/unistd/sysconf.c @@ -103,11 +103,7 @@ long int __sysconf(int name) #endif case _SC_OPEN_MAX: -#if 1 RETURN_FUNCTION(getdtablesize()); -#else - RETURN_NEG_1; -#endif case _SC_STREAM_MAX: #ifdef STREAM_MAX @@ -117,12 +113,7 @@ long int __sysconf(int name) #endif case _SC_TZNAME_MAX: -#if 0 - RETURN_FUNCTION(tzname_max ()); -#else -/* RETURN_NEG_1; */ return _POSIX_TZNAME_MAX; -#endif case _SC_JOB_CONTROL: #ifdef _POSIX_JOB_CONTROL @@ -559,46 +550,39 @@ long int __sysconf(int name) /* POSIX 1003.1c (POSIX Threads). */ case _SC_THREADS: -#ifdef _POSIX_THREADS +#ifdef __UCLIBC_HAS_THREADS__ return 1; #else RETURN_NEG_1; #endif case _SC_THREAD_SAFE_FUNCTIONS: -#ifdef _POSIX_THREAD_SAFE_FUNCTIONS +#ifdef __UCLIBC_HAS_THREADS__ return 1; #else RETURN_NEG_1; #endif +/* If you change these, also change libc/pwd_grp/pwd_grp.c to match */ +#define PWD_BUFFER_SIZE 256 +#define GRP_BUFFER_SIZE 256 case _SC_GETGR_R_SIZE_MAX: -#ifdef NSS_BUFLEN_GROUP - return NSS_BUFLEN_GROUP; -#else - RETURN_NEG_1; -#endif + return GRP_BUFFER_SIZE; case _SC_GETPW_R_SIZE_MAX: -#ifdef NSS_BUFLEN_PASSWD - return NSS_BUFLEN_PASSWD; -#else - RETURN_NEG_1; -#endif + return PWD_BUFFER_SIZE; +/* getlogin() is a worthless interface. In uClibc we let the user specify + * whatever they want via the LOGNAME environment variable, or we return NULL + * if getenv() fails to find anything. So this is merely how large a env + * variable can be. Lets use 256 */ case _SC_LOGIN_NAME_MAX: -#ifdef _POSIX_LOGIN_NAME_MAX - return _POSIX_LOGIN_NAME_MAX; -#else - RETURN_NEG_1; -#endif + return 256; +/* If you change this, also change _SC_TTY_NAME_MAX in libc/unistd/sysconf.c */ +#define TTYNAME_BUFLEN 32 case _SC_TTY_NAME_MAX: -#ifdef _POSIX_TTY_NAME_MAX - return _POSIX_TTY_NAME_MAX; -#else - RETURN_NEG_1; -#endif + return TTYNAME_BUFLEN; case _SC_THREAD_DESTRUCTOR_ITERATIONS: #ifdef _POSIX_THREAD_DESTRUCTOR_ITERATIONS |