# # For a description of the syntax of this configuration file, # see misc/tools/kconfig-language.txt. # config STDIO_BUFFER_SIZE int "C STDIO buffer size" default 64 ---help--- Size of buffers using within the C buffered I/O interfaces. (printf, putchar, fwrite, etc.). config STDIO_LINEBUFFER bool "STDIO line buffering" default y ---help--- Flush buffer I/O whenever a newline character is found in the output data stream. config NUNGET_CHARS int "Number unget() characters" default 2 ---help--- Number of characters that can be buffered by ungetc() (Only if NFILE_STREAMS > 0) config CONFIG_LIB_HOMEDIR string "Home directory" default "/" depends on !DISABLE_ENVIRON ---help--- The home directory to use with operations like such as 'cd ~' config HAVE_LIBM bool "Architecture-specific libm.a" default n ---help--- Architecture specific logic provides an implementation of libm.a and a math.h header file that can be found at include/arch/math.h. config NOPRINTF_FIELDWIDTH bool "Disable sprintf support fieldwidth" default n ---help--- sprintf-related logic is a little smaller if we do not support fieldwidthes config LIBC_FLOATINGPOINT bool "Enable floating point in printf" default n ---help--- By default, floating point support in printf, sscanf, etc. is disabled. config ARCH_LOWPUTC bool "Low-level console output" default "y" ---help--- architecture supports low-level, boot time console output config ENABLE_ARCH_OPTIMIZED_FUN bool "Enable arch optimized functions" default n ---help--- Allow for architecture optimized implementations The architecture can provide optimized versions of the following to improve system performance The architecture may provide custom versions of certain standard header files: config ARCH_MATH_H, CONFIG_ARCH_STDBOOL_H, CONFIG_ARCH_STDINT_H if ENABLE_ARCH_OPTIMIZED_FUN config ARCH_MEMCPY bool "memcpy" default n config ARCH_MEMCMP bool "memcmp" default n config ARCH_MEMMOVE bool "memmove" default n config ARCH_MEMSET bool "memset" default n config ARCH_STRCMP bool "strcmp" default n config ARCH_STRCPY bool "strcpy" default n config ARCH_STRNCPY bool "strncpy" default n config ARCH_STRLEN bool "strlen" default n config ARCH_STRNLEN bool "strlen" default n config ARCH_BZERO bool "bzero" default n endif