From 1c336a9e7dec14c1bef0f34c949720bbe14756a8 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Sat, 6 Oct 2018 22:41:48 -0500
Subject: getconf: add missing names used by AOSP.

---
 toys/posix/getconf.c | 43 +++++++++++++++++++++++++++++--------------
 1 file changed, 29 insertions(+), 14 deletions(-)

diff --git a/toys/posix/getconf.c b/toys/posix/getconf.c
index 5e3e08af..56324730 100644
--- a/toys/posix/getconf.c
+++ b/toys/posix/getconf.c
@@ -31,7 +31,7 @@ config GETCONF
 
 struct config {
   char *name;
-  int value;
+  long long value;
 };
 
 // Lists of symbols getconf can query, broken down by whether we call sysconf(),
@@ -62,7 +62,7 @@ struct config sysconfs[] = {
 
   /* POSIX.2 */
 #undef CONF
-#define CONF(n) {"_POSIX2_" #n,_SC_2_ ## n}
+#define CONF(n) {"POSIX2_" #n,_SC_2_ ## n}
   CONF(C_BIND), CONF(C_DEV), CONF(CHAR_TERM), CONF(FORT_DEV), CONF(FORT_RUN),
   CONF(LOCALEDEF), CONF(PBS), CONF(PBS_ACCOUNTING), CONF(PBS_CHECKPOINT),
   CONF(PBS_LOCATE), CONF(PBS_MESSAGE), CONF(PBS_TRACK), CONF(SW_DEV),
@@ -79,20 +79,25 @@ struct config sysconfs[] = {
 #define CONF(n) {#n,_SC_ ## n}
   CONF(AIO_LISTIO_MAX), CONF(AIO_MAX), CONF(AIO_PRIO_DELTA_MAX), CONF(ARG_MAX),
   CONF(ATEXIT_MAX), CONF(BC_BASE_MAX), CONF(BC_DIM_MAX), CONF(BC_SCALE_MAX),
-  CONF(BC_STRING_MAX), CONF(CHILD_MAX), CONF(COLL_WEIGHTS_MAX),
+  CONF(BC_STRING_MAX), CONF(CHILD_MAX), CONF(CLK_TCK), CONF(COLL_WEIGHTS_MAX),
   CONF(DELAYTIMER_MAX), CONF(EXPR_NEST_MAX), CONF(HOST_NAME_MAX),
   CONF(IOV_MAX), CONF(LINE_MAX), CONF(LOGIN_NAME_MAX), CONF(NGROUPS_MAX),
   CONF(MQ_OPEN_MAX), CONF(MQ_PRIO_MAX), CONF(OPEN_MAX), CONF(PAGE_SIZE),
-  CONF(PAGESIZE),
+  CONF(PAGESIZE), CONF(RAW_SOCKETS), CONF(RE_DUP_MAX), CONF(RTSIG_MAX),
+  CONF(SEM_NSEMS_MAX), CONF(SEM_VALUE_MAX), CONF(SIGQUEUE_MAX),
+  CONF(STREAM_MAX), CONF(SYMLOOP_MAX), CONF(TIMER_MAX), CONF(TTY_NAME_MAX),
+  CONF(TZNAME_MAX),
+
+  /* Names that just don't match the symbol, do it by hand */
+  {"_AVPHYS_PAGES", _SC_AVPHYS_PAGES}, {"_PHYS_PAGES", _SC_PHYS_PAGES},
+  {"_NPROCESSORS_CONF", _SC_NPROCESSORS_CONF},
+  {"_NPROCESSORS_ONLN", _SC_NPROCESSORS_ONLN},
+
   /* There's a weird "PTHREAD" vs "THREAD" mismatch here. */
   {"PTHREAD_DESTRUCTOR_ITERATIONS", _SC_THREAD_DESTRUCTOR_ITERATIONS},
   {"PTHREAD_KEYS_MAX", _SC_THREAD_KEYS_MAX},
   {"PTHREAD_STACK_MIN", _SC_THREAD_STACK_MIN},
   {"PTHREAD_THREADS_MAX", _SC_THREAD_THREADS_MAX},
-  CONF(RE_DUP_MAX), CONF(RTSIG_MAX), CONF(SEM_NSEMS_MAX), CONF(SEM_VALUE_MAX),
-  CONF(SIGQUEUE_MAX), CONF(STREAM_MAX), CONF(SYMLOOP_MAX), CONF(TIMER_MAX),
-  CONF(TTY_NAME_MAX), CONF(TZNAME_MAX), CONF(NPROCESSORS_CONF),
-  CONF(NPROCESSORS_ONLN)
 };
 
 // Probe the live system with a path
@@ -102,7 +107,8 @@ struct config pathconfs[] = {
   CONF(ASYNC_IO), CONF(CHOWN_RESTRICTED), CONF(FILESIZEBITS), CONF(LINK_MAX),
   CONF(MAX_CANON), CONF(MAX_INPUT), CONF(NAME_MAX), CONF(NO_TRUNC),
   CONF(PATH_MAX), CONF(PIPE_BUF), CONF(PRIO_IO), CONF(SYMLINK_MAX),
-  CONF(SYNC_IO), CONF(VDISABLE),
+  CONF(SYNC_IO),
+  {"_POSIX_VDISABLE", _PC_VDISABLE},
 };
 
 // Strings out of a header
@@ -128,10 +134,19 @@ struct config limits[] = {
   CONF(_POSIX_THREAD_DESTRUCTOR_ITERATIONS), CONF(_POSIX_THREAD_KEYS_MAX),
   CONF(_POSIX_THREAD_THREADS_MAX), CONF(_POSIX_TIMER_MAX),
   CONF(_POSIX_TTY_NAME_MAX), CONF(_POSIX_TZNAME_MAX),
-  CONF(_POSIX2_BC_BASE_MAX), CONF(_POSIX2_BC_DIM_MAX),
-  CONF(_POSIX2_BC_SCALE_MAX), CONF(_POSIX2_BC_STRING_MAX),
-  CONF(_POSIX2_CHARCLASS_NAME_MAX), CONF(_POSIX2_COLL_WEIGHTS_MAX),
-  CONF(_POSIX2_EXPR_NEST_MAX), CONF(_POSIX2_LINE_MAX), CONF(_POSIX2_RE_DUP_MAX)
+  CONF(CHAR_MAX), CONF(CHAR_MIN), CONF(INT_MAX), CONF(INT_MIN), CONF(SCHAR_MAX),
+  CONF(SCHAR_MIN), CONF(SHRT_MAX), CONF(SHRT_MIN), CONF(SSIZE_MAX),
+  CONF(UCHAR_MAX), CONF(UINT_MAX), CONF(ULONG_MAX), CONF(USHRT_MAX),
+  CONF(UIO_MAXIOV), CONF(CHAR_BIT),
+  /* Not available in glibc without _GNU_SOURCE. */
+  {"LONG_BIT", 8*sizeof(long)},
+  {"WORD_BIT", 8*sizeof(int)},
+#undef CONF
+#define CONF(n) {#n,_ ## n}
+  CONF(POSIX2_BC_BASE_MAX), CONF(POSIX2_BC_DIM_MAX),
+  CONF(POSIX2_BC_SCALE_MAX), CONF(POSIX2_BC_STRING_MAX),
+  CONF(POSIX2_CHARCLASS_NAME_MAX), CONF(POSIX2_COLL_WEIGHTS_MAX),
+  CONF(POSIX2_EXPR_NEST_MAX), CONF(POSIX2_LINE_MAX), CONF(POSIX2_RE_DUP_MAX),
 };
 
 // Names we need to handle ourselves (default to blank but shouldn't error)
@@ -184,7 +199,7 @@ void getconf_main(void)
   else if (i==2) {
     confstr(c->value, toybuf, sizeof(toybuf));
     puts(toybuf);
-  } else if (i==3) printf("%d\n", c->value);
+  } else if (i==3) printf("%lld\n", c->value);
   // LFS_CFLAGS on 32 bit should enable Large File Support (kernel build cares)
   else if (sizeof(long)==4 && !j)
     puts("-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64");
-- 
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