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624 Commits

Author SHA1 Message Date
Gregory Nutt
7c4e3e21b8 Allow option to enable IP address conversions even when the IP address family is not supported. 2016-12-04 09:06:08 -06:00
Eunbong Song
4545af3249 sleep() was returning remaining nanoseconds (kind of), instead the remaining seconds. 2016-11-15 06:47:59 -06:00
Juha Niskanen
b7ed12ebd3 Patch brings strtol() and related functions more conformant with POSIX. Corner cases like strtol(-2147483648, NULL, 10) now pass clang -fsanitize=integer without warnings. 2016-11-10 06:18:42 -06:00
Gregory Nutt
796969f6b6 Update TODO. Provide do-nothing stubs for mutex attribute interfaces if features not enabled. pthread_cond includes a signaling semaphore and should call sem_setprotocol. 2016-11-05 11:06:52 -06:00
Gregory Nutt
b0dffdc2ca Fix a number of header files with mismatched 'extern C {' and '}' 2016-11-05 07:25:05 -06:00
Gregory Nutt
73fc186beb sem_setprotocol: Handle a case of missing proxy for sem_setprotocol. Reorder so that (1) this error is avoided, and (2) >No proxy is needed if priority inheritance is not enabled. 2016-11-03 18:51:38 -06:00
Gregory Nutt
4c8ec0d2ca include/nuttx/semaphore.h: Fix broken macros 2016-11-03 12:49:44 -06:00
Gregory Nutt
d5b4d848d3 Move protoypes for the non-standard include/semaphore.h file to the non-standard include/nuttx/semaphore.h with the other non-standard semaphore interfaces. 2016-11-02 14:43:03 -06:00
Gregory Nutt
b738a646ad sem_getprotocol() can be in C library 2016-11-02 09:29:16 -06:00
Gregory Nutt
92d3022411 Add pthread_mutexattr_get/set_protocol and non-standard sem_get/set_protocol. These may use to enable or disable priority inheritance on a single semaphore. 2016-11-02 09:05:18 -06:00
Gregory Nutt
14e06a3ce3 libc/pthread: Rename long files so that they are more readable 2016-11-02 07:37:56 -06:00
Gregory Nutt
123c520db4 Correct time initialization for the case where time is initialized from settings in the .config file. The correct range for month (tm_mon) internally is 0-11, not 1-12 as it is in the .config file. 2016-10-27 08:36:24 -06:00
Gregory Nutt
0967864c92 Correct clock initialization. The correct range for the month is 0-11 but is entered as 1-12 in the .config file 2016-10-27 08:32:23 -06:00
Gregory Nutt
57ad019fba Revert "Correct a problem in clock_gettime(CLOCK_REALTIME, &time); which is ahead by 1 month of the specified CONFIG_START_MONTH" 
I don't believe this change is correct in general.  Nomralling clock_isleapyear() is called with tm_mon which is in the range of 0-11.  That change would be bad for that range.  It would make sense for a range of 1-12, but that is not how tm_mon is defined.

This reverts commit 1796a25e53.
 2016-10-27 08:20:16 -06:00
Marc Rechté
1796a25e53 Correct a problem in clock_gettime(CLOCK_REALTIME, &time); which is ahead by 1 month of the specified CONFIG_START_MONTH 2016-10-27 07:10:36 -06:00
Gregory Nutt
177239feae sscanf: Use strtof() instead of strtod() if a short floating point value was requested. The should help performance with MCUs with 32-bit FPU support 2016-10-22 13:42:43 -06:00
Gregory Nutt
d08596a653 libc/stdlib: Fix a few minor coding style issues 2016-10-22 13:27:56 -06:00
Gregory Nutt
41137b82fa Add strtold() 2016-10-22 13:02:55 -06:00
Gregory Nutt
9438c42fff strtof: Also make sure that all integer values use in expressions are cast to float 2016-10-20 13:06:55 -06:00
Gregory Nutt
e30a47ba46 libc: Make sure that all constant floating point values have F suffix in strtof() 2016-10-20 13:03:15 -06:00
Gregory Nutt
2b22666554 Forgot to add a file before the last commit 2016-10-20 12:57:27 -06:00
Gregory Nutt
30ab01b1d8 strtof: Add strtof() as simply a compy of strtod with types and limits changed 2016-10-20 12:07:12 -06:00
Gregory Nutt
97b3240737 Minor changes from review of last PR 2016-10-19 11:50:19 -06:00
Gregory Nutt
8039173c9e Merged in david_s5/nuttx/upstream_local_fix_to_greg (pull request #153) 
DO NOT MERGE Until Alan Verifies this -
 2016-10-19 17:44:52 +00:00
David Sidrane
b1ed7910f0 Allows c++ code to compile with or without CONFIG_LIBC_LOCALE 
and will generate a link error if CONFIG_LIBC_LOCALE is not defined
and setlocale is referneced. With CONFIG_LIBC_LOCALE defined
setlocale will act as if MB string is not supported and return
"C" for POSIX. C and ""
 2016-10-19 06:49:19 -10:00
Gregory Nutt
54fd0f0a04 Fix a few more compile issues with the new wide character support 2016-10-19 08:18:46 -06:00
Alan Carvalho de Assis
b852bb3403 Add iswctype, towlower, towupper and wcsftime functions 2016-10-19 07:49:33 -06:00
Gregory Nutt
890a9eb45d Fix a few wide character build issues 2016-10-18 19:11:09 -06:00
Alan Carvalho de Assis
dfdde741e3 C library: Add wctype.h; Move lib_wctype.c to libc/wctype 2016-10-18 18:24:58 -06:00
Alan Carvalho de Assis
4d39b513b5 Add functions wcrtomb, wcslcpy, wcsxfrm, wctob, wctomb, wctype, localeconv, strcoll, strxfrm 2016-10-18 18:15:54 -06:00
Alan Carvalho de Assis
402b876869 Include wchar.h to lib_libvsprintf.c to fix compilation error 2016-10-18 13:32:03 -06:00
Alan Carvalho de Assis
f01c5b79fc C library: Add functions btowc, mbrtowc, mbtowc, wcscmp, wcscoll, wmemmove 2016-10-18 08:05:28 -06:00
Gregory Nutt
0249f3271e C library: Add setlocale to libc.csv 2016-10-17 17:15:19 -06:00
Alan Carvalho de Assis
5354bc1dc7 Add wcslen, wmemchr, wmemcmp, wmemcpy and wmemset to NuttX 2016-10-17 16:02:08 -06:00
Gregory Nutt
84049a19ba C library: Add a dummy setlocale() function to avoid drawing the function from newlib 2016-10-17 09:45:12 -06:00
David Sidrane
7ee82c0168 Fixes sscan %sn where strlen(data) < n 2016-10-15 06:31:35 -10:00
Sebastien Lorquet
aed8a602b8 stdio: Add support for remove() 2016-08-25 08:40:34 -06:00
Gregory Nutt
6a58f046e6 CONFIG_LIBC_DIFFTIME is no longer used, but was still in Kconfig file. Noted by Sebastien Lorquet 2016-08-25 08:09:23 -06:00
Sebastien Lorquet
51596dc457 Updata difftime. Add a version of difftime for the case where the platform does not support type double 2016-08-25 08:00:50 -06:00
Sebastien Lorquet
a626ba5b70 libc/time: This commit adds the difftime() function. Since the function returns a double, I have isolated it in a CONFIG_LIBC_DIFFTIME option (It also depends on the toolchain-dependent CONFIG_HAVE_DOUBLE so is not available on tiny platforms). 2016-08-24 15:43:57 -06:00
Gregory Nutt
67851849da Upate ChangeLog 2016-08-22 10:31:52 -06:00
Gregory Nutt
60b70f7dbb Make xorshift128 re-entrant so that we do do have to suffer the overhad of serialization controls. 2016-08-21 07:47:53 -06:00
Gregory Nutt
757023a909 XorShift128: Add some protection to handle the case where this logic could be called from the interrupt level. 2016-08-20 17:27:41 -06:00
Gregory Nutt
6f833be9d5 Separate XorShift128 PRNG from /dev/urandom and make it generally available. 2016-08-20 11:36:02 -06:00
Gregory Nutt
6e5010e0d0 floor(), floorf(), and floorl(): Fix logic error. Was not correctly handling negative integral value. 2016-08-11 18:21:29 -06:00
Gregory Nutt
155055d564 strtod(): Was not returning endptr on error conditions. 2016-08-11 18:20:25 -06:00
Gregory Nutt
0e35bad987 Update some comments 2016-08-11 10:12:04 -06:00
Gregory Nutt
986c568d34 Correct file header comments 2016-08-07 10:04:02 -06:00
Gregory Nutt
4daa553328 lib_asinl.c edited online with Bitbucket. Add missing # on endif. Noted by David Alessio. 2016-07-31 16:47:25 +00:00
David S. Alessio
c145159c6b This commit fixes the following libc/math issues: 
1) asin[f l]() use Newton’s method to converge on a solution. But Newton’s method converges very slowly (> 500,000 iterations) for values of x close to 1.0; and, in the case of asinl(), sometimes fails to converge (loops forever). The attached patch uses an trig identity for values of x > sqrt(2). The resultant functions converge in no more than 5 iterations, 6 for asinl().

2) The NuttX erf[f l]() functions are based on Chebyshev fitting to a good guess. The problem there’s a bug in the implementation that causes the functions to blow up with x near -3.0. This patch fixes that problem. It should be noted that this method returns the error function erf(x) with fractional error less than 1.2E-07 and that’s fine for the float version erff(), but the same method is used for double and long double version which will yield only slightly better precision. This patch doesn't address the issue of lower precision for erf() and erfl().

3) a faster version of copysignf() for floats is included.
 2016-07-30 15:43:56 -06:00
Gregory Nutt
d36d9d61be Trivial spacing change 2016-07-28 09:34:56 -06:00
Gregory Nutt
2b3bc90ba5 Correct a comment 2016-07-27 09:09:40 -06:00
Pierre-noel Bouteville
d4f3954b35 lib_dumpbuffer: Now prints a large on-stack buffer first to avoid problems when the syslog output is prefixed with time. 2016-07-27 08:40:46 -06:00
Gregory Nutt
fd42f898f6 libc: Add mkfifo() and pipe() to libc CSV file 2016-07-22 11:02:51 -06:00
Gregory Nutt
7370d3171a Move include/nuttx/lib.h to include/nuttx/lib/lib.h 2016-07-21 14:05:44 -06:00
Gregory Nutt
779d3f98ed Move include/nuttx/math32.h to include/nuttx/lib/math32.h 2016-07-21 14:00:15 -06:00
Gregory Nutt
23a876ab9c Move include/nuttx/math.h to include/nuttx/lib/math.h 2016-07-21 13:58:09 -06:00
Gregory Nutt
72a45c82b7 Move include/nuttx/regex.h to include/nuttx/lib/regex.h 2016-07-21 13:42:18 -06:00
Gregory Nutt
ee9c66186c ramdisk.h moved from include/fs/nuttx/ to include/nuttx/drivers. 2016-07-20 14:02:18 -06:00
Gregory Nutt
4b4dbc79a2 Move driver related prototypes out of include/nuttx/fs/fs.h and into new include/drivers/drivers.h 2016-07-20 13:15:37 -06:00
Gregory Nutt
e73e82a923 Move prototypes of mkfifo2() from sys/stat.h and pipe2() from unistd.h. They are non-standard and should not be in such a public place. They are not in include/nuttx/fs/fs.h (which isn't a great place either). 2016-07-20 11:57:18 -06:00
Gregory Nutt
b28fa8a609 Move pipe() and mkpipe() to nuttx/libc. Change syscalls to pipe2() and mkfifo2() 2016-07-19 14:15:26 -06:00
Gregory Nutt
5a35abb488 Improve some comments 2016-07-17 08:31:02 -06:00
Gregory Nutt
07e20479ad /dev/random: Add configuration option to use the congruential PRNG. 2016-07-17 07:56:25 -06:00
Gregory Nutt
ffd3a31649 Rename lib_rand.c to lib_srand.c 2016-07-17 07:11:09 -06:00
Gregory Nutt
95555a0199 PTY: Add ioctls to support locking and unlocking of the slave. LIBC: Add implementation of unlockpt() 2016-07-15 09:39:33 -06:00
Gregory Nutt
6139860c0b PTY: Added PTY IOCTL command definitions. Add support for TIOCGPTN. LIB: Implement ptsname() and ptsname_r() 2016-07-15 08:33:47 -06:00
David Alessio
912ad2d345 Fix bug in logf() algorithm that caused erroneous INFINITY results. 2016-07-14 20:15:37 -06:00
Gregory Nutt
96edfdb4c7 libm: Fix/improve range checks in lib_expi() and lib_expif(). 2016-07-12 09:59:10 -06:00
Gregory Nutt
3bc504b685 Per comment from David Alession: M_E128 will never be used since it is greater than FLT_MAX. 2016-07-12 09:59:08 -06:00
Gregory Nutt
dfe8596e53 Cosmetic 2016-07-11 14:15:34 -06:00
Gregory Nutt
f9d4b50207 If there are no streams, let printf() fall back to use syslog() for output. 2016-07-11 13:52:21 -06:00
Gregory Nutt
29eae10232 lib_expi/f(): Exponental table should be 'const'. Dimension was wrong for float version. 2016-07-11 13:53:31 -06:00
Gregory Nutt
6a081e118d Add guess at missing lib_libexpif.c file 2016-07-11 13:43:43 -06:00
David Alessio
261358f1f5 This change should significantly improve the performance of single precision floating point math library functions. The vast majority of changes have to do with preventing the compiler from needlessly promoting floats to doubles, performing the calculation with doubles, only to demote the result to float. These changes only affect the math lib functions that return float. 2016-07-11 07:02:50 -06:00
Gregory Nutt
830af912a1 Add sig_raise() 2016-07-04 09:32:36 -06:00
Gregory Nutt
bde90de12f Fix libc/zoneinfo build 2016-06-30 16:20:43 -06:00
Gregory Nutt
aa96a1d2ec Move the TZ/Olson zoneinfo data set from apps/system/zoneinfo to libc/zoneinfo 2016-06-30 15:40:37 -06:00
Gregory Nutt
67ea112767 Update ChangeLog 2016-06-27 13:08:40 -06:00
Gregory Nutt
2a19e16eb0 libc/hex2bin: Move the portable library portion of apps/system/hex2bin to nuttx/libc/hex2bin where it can be shared with the OS internals. 2016-06-27 11:22:38 -06:00
Gregory Nutt
7f16548f57 Replaces last three commits. Does the same thing, but does it in a way that does not change the usage model. 2016-06-21 05:26:08 -06:00
Gregory Nutt
b82743612f Even the 'unconditional' _alert() macro should be disabled if all debug features are disabled. 2016-06-20 22:38:54 -06:00
Gregory Nutt
505ca542e8 Remove some last traces of lowvsyslog that were missed; Add a SYSLOG emergency channel for handling assertion output more cleanly 2016-06-20 16:11:50 -06:00
Gregory Nutt
2a751068e6 Without lowsyslog() *llerr() is not useful. Eliminate and replace with *err(). 2016-06-20 12:44:38 -06:00
Gregory Nutt
43eb04bb8f Without lowsyslog() *llinfo() is not useful. Eliminate and replace with *info(). 2016-06-20 11:59:15 -06:00
Gregory Nutt
d40a473f72 Without lowsyslog() *llwarn() is not useful. Eliminate and replace with *warn(). 2016-06-20 09:37:08 -06:00
Gregory Nutt
2b445ddccc Remove lowsyslog(). The new syslog() includes all of the functionality of lowsyslog(). No longer any need for two interfaces. 2016-06-20 08:57:08 -06:00
Gregory Nutt
fa365e85f5 Update some cmoments 2016-06-20 06:11:22 -06:00
Gregory Nutt
7dd66a4620 Need to pass va_list as a reference to vsyslog. This is because va_list is a structure in some compilers and passing of structures in the NuttX sycalls does not work. 2016-06-19 14:50:00 -06:00
Gregory Nutt
5b2aa7bf99 Remove all traces of CONFIG_SYSLOG 2016-06-19 13:59:43 -06:00
Gregory Nutt
9434d3e945 There is now one-and-only-one copy of syslog_putc. It is in the SYSLOG channel logic and can redirect syslog output as needed. All former syslog_putc versions were renamed and the corresponding SYSLOG device initializaiton now calls syslog_channel() 2016-06-19 13:03:20 -06:00
Gregory Nutt
34f776dce9 Move the OS intensive part of vsyslog and vlowsyslog to drivers/syslog/vsyslog.c and vlowsyslog.c. Also move lib_syslogstrem to drivers/syslog/syslogstream.c 2016-06-19 07:56:24 -06:00
Gregory Nutt
d3b8c03a8a Fix a few missed changes from *dbg() to *err() and *vdbg() to *info() 2016-06-17 06:00:45 -06:00
Gregory Nutt
28192d3c60 Re-order some conditional compilation; up_interrupt_context() is not generally available to applications. 2016-06-16 20:10:19 -06:00
Gregory Nutt
ea8241027e syslog() will now automatically redirect output to lowsyslog() if called from an interrupt handler 2016-06-16 19:57:06 -06:00
Gregory Nutt
0c8c7fecf0 Add _ to the beginning of all debug macros to avoid name collisions 2016-06-16 12:33:32 -06:00
Gregory Nutt
24c51ec1ff Centralize definitions associated with CONFIG_DEBUG_LCD 2016-06-15 11:40:33 -06:00
Gregory Nutt
a98bc05f65 New debug macro: alert(). This is high priority, unconditional output and is used to simplify and stanardize crash error reporting. 2016-06-14 09:07:53 -06:00
Gregory Nutt
90e60513b1 New strtoul[l] functions need to include errno.h 2016-06-13 08:49:46 -06:00
Gregory Nutt
56c5da3030 Cosmetic change from review of PR53 2016-06-13 08:21:06 -06:00