Commit Graph

18 Commits

Author SHA1 Message Date
Xiang Xiao
63cb11cc72 libc/stdio: Support "long long" type if CONFIG_HAVE_LONG_LONG is enabled
but just format the low 32bits if CONFIG_LIBC_LONG_LONG isn't enabled to
avoid to expand the code space to much.
Note: the size will increase 192 bytes on stm32_tiny:nsh.
Before the change:
   text    data     bss     dec     hex filename
  41444     184    1656   43284    a914 nuttx
After the change:
   text    data     bss     dec     hex filename
  41636     184    1656   43476    a9d4 nuttx

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-07-20 18:06:29 +03:00
Xiang Xiao
f9e3ef3464 Revert "libc/stdio: enable long long formating by CONFIG_HAVE_LONG_LONG"
This reverts commit b1c72c023c.
2022-07-20 18:06:29 +03:00
Xiang Xiao
b1c72c023c libc/stdio: enable long long formating by CONFIG_HAVE_LONG_LONG
and remove CONFIG_LIBC_LONG_LONG option to simplify the usage.
note: the size will increase 668
before change:
   text    data     bss     dec     hex filename
 168440     348    4480  173268   2a4d4 nuttx

after change:
   text    data     bss     dec     hex filename
 169108     348    4480  173936   2a770 nuttx

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-07-13 09:50:38 -03:00
Gustavo Henrique Nihei
470287fe5c libs: Remove "0x" prefix preceding "%p" specifier on format string
The "p" format specifier already prepends the pointer address with
"0x" when printing.

Signed-off-by: Gustavo Henrique Nihei <gustavo.nihei@espressif.com>
2022-06-30 22:08:58 +03:00
Xiang Xiao
3f9908f7d1 Remove the unnecessary math.h inclusion
or move from header file to source file since math.h doesn't always exist

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2021-04-12 22:58:23 -04:00
Alin Jerpelea
ce66f7b081 NuttX: Johannes Schock: update licenses to Apache
Johannes Schock has submitted the ICLA and we can migrate the licenses
 to Apache.

Gregory Nutt has submitted the SGA and we can migrate the licenses
 to Apache.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-04-01 12:13:12 -05:00
Gustavo Henrique Nihei
330eff36d7 sourcefiles: Fix relative path in file header 2021-03-09 23:18:28 +08:00
YAMAMOTO Takashi
3e6561c3cf lib_libvscanf.c: Implement "j" modifier for scanf
It's a part of C99 and commonly used these days.
2020-09-23 03:28:40 -07:00
ligd
c11c1dc8fd libs/libc/stdio: replace double_t to double
Modify reason:

When build Nuttx SIM, in x86_64 system:

Compile with gcc option '-m64' (default):
sizeof(double_t) = 8
sizeof(double)   = 8

Compile with gcc option '-mx32':
sizeof(double_t) = 8
sizeof(double)   = 8

Compile with gcc option '-m32':
sizeof(double_t) = 12       // long double
sizeof(double)   = 8

When use '-m32', and print sth. like this:
printf("%f\n", (double)3.0);
SIM will print out: nan

This is because sizeof(double_t) is not equal with double.

Resolve:
replace all double_t to double in libs/libc/stdio.

As a user of '-m32', you should know double_t is one type
long double, and len is 12. And you use use '%lf' to print.
like:
printf("%lf\n", (double_t)3.0);

Currently we don't support '%lf'.

Change-Id: I9b9d11853140d5296dd80416c8ed6a260a9d2d9c
Signed-off-by: ligd <liguiding1@xiaomi.com>
2020-09-15 14:42:36 +08:00
Xiang Xiao
d17b963bca libc: Move double_t typedef from sys/types.h to math.h
specified here:
https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/math.h.html

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: I3497a73908301d999cf1cfc4a66552a7ca4868c6
2020-06-29 13:37:41 +01:00
Xiang Xiao
0317eae801 libc: support CONFIG_ARCH_ROMGETC for scanf function series
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: Ieb524fa431ad60eb586a99d68aed4a022fb87ae7
2020-06-10 00:03:53 -07:00
Xiang Xiao
bd4e8e19d3 Run codespell -w against all files
and fix the wrong correction
2020-02-22 14:45:07 -06:00
Xiang Xiao
68951e8d72 Remove exra whitespace from files (#189)
* Remove multiple newlines at the end of files
* Remove the whitespace from the end of lines
2020-01-31 09:24:49 -06:00
Gregory Nutt
7ab149d8e9 Various fixes to get a clean compile with the SDCC compiler. Compile is 'almost' clean. 2019-06-03 16:53:11 -06:00
Gregory Nutt
d375a26a6c libs/libc/stdio: Fix long long usage in all of the newer printf-related logic: The selection CONFIG_LIBC_LONG_LONG must be ignored if the architecture does not support long long types. 2019-06-03 08:45:57 -06:00
Gregory Nutt
dc8c814ca3 Squashed commit of the following:
Fixed coding standard error in several files.  Use of while( is incorrect; a space is required between while and (.  Also ran tools/nxstyle and fix thoses complaints as well in most files.

    Changes to comply with coding standard.  Mostly focused on files with missing space after keyword in if(, switch(, and for(.  Offending files also got changes to comply with tools nxstyle.  If there were logs of nxstyle complaints, the file also got a taste of tools/indent.sh.  Still need to fix occurrences of while( with missing space.  There are a lot of them.
2019-02-27 08:41:08 -06:00
Gregory Nutt
72bc331217 Cosmetic update to some comments. 2019-02-15 18:26:06 -06:00
Gregory Nutt
c271151d57 libs/libc/stdio: Remove unused, non-standard functions lib_sscanf() and lib_sprintf(). 2019-02-15 18:01:39 -06:00