diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/pwd_grp/pwd_grp.c | 2 | ||||
| -rw-r--r-- | libc/termios/ttyname.c | 2 | ||||
| -rw-r--r-- | libc/unistd/sysconf.c | 46 |
3 files changed, 19 insertions, 31 deletions
diff --git a/libc/pwd_grp/pwd_grp.c b/libc/pwd_grp/pwd_grp.c index 90b4eafd6..91c0d83f5 100644 --- a/libc/pwd_grp/pwd_grp.c +++ b/libc/pwd_grp/pwd_grp.c @@ -49,6 +49,8 @@ /**********************************************************************/ /* Sizes for staticly allocated buffers. */ +/* If you change these values, also change _SC_GETPW_R_SIZE_MAX and + * _SC_GETGR_R_SIZE_MAX in libc/unistd/sysconf.c to match */ #define PWD_BUFFER_SIZE 256 #define GRP_BUFFER_SIZE 256 diff --git a/libc/termios/ttyname.c b/libc/termios/ttyname.c index abd1beb95..7b937fb0b 100644 --- a/libc/termios/ttyname.c +++ b/libc/termios/ttyname.c @@ -21,6 +21,8 @@ * However, there is no need to waste space and support non-standard * tty names either. So we compromise and use the following buffer * length. (Erik and Manuel agreed that 32 was more than reasonable.) + * + * If you change this, also change _SC_TTY_NAME_MAX in libc/unistd/sysconf.c */ #define TTYNAME_BUFLEN 32 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 |