tailix/libkernaux
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Add libc func "isspace"

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Alex Kotov 2022-01-23 23:25:36 +05:00
parent 5c02a62f35
commit 63f0dc880f
Signed by: kotovalexarian
GPG key ID: 553C0EBBEB5D5F08
5 changed files with 14 additions and 1 deletions
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2
ChangeLog
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@ -1,7 +1,7 @@
2022-01-23 Alex Kotov <kotovalexarian@gmail.com>
* include/kernaux/assert.h: Require semicolon after macros
* include/kernaux/libc.h: Add func "isdigit"
* include/kernaux/libc.h: Add funcs "isdigit", "isspace"
2022-01-22 Alex Kotov <kotovalexarian@gmail.com>

1
README.md
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@ -90,6 +90,7 @@ stable options.
in freestanding environment, where no libc is present. You can also separately
include or exclude components:
* `--with[out]-libc-isdigit`
* `--with[out]-libc-isspace`
* `--with[out]-libc-memset`
* `--with[out]-libc-strcpy`
* `--with[out]-libc-strlen`

4
configure.ac
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@ -36,6 +36,7 @@ AC_ARG_WITH( [units], AS_HELP_STRING([--without-units], [without m
dnl Packages (disabled by default)
AC_ARG_WITH( [libc], AS_HELP_STRING([--with-libc], [with libc replacement]))
AC_ARG_WITH( [libc-isdigit], AS_HELP_STRING([--with-libc-isdigit], [with isdigit replacement]))
AC_ARG_WITH( [libc-isspace], AS_HELP_STRING([--with-libc-isspace], [with isspace replacement]))
AC_ARG_WITH( [libc-memset], AS_HELP_STRING([--with-libc-memset], [with memset replacement]))
AC_ARG_WITH( [libc-strcpy], AS_HELP_STRING([--with-libc-strcpy], [with strcpy replacement]))
AC_ARG_WITH( [libc-strlen], AS_HELP_STRING([--with-libc-strlen], [with strlen replacement]))
@ -61,6 +62,7 @@ AS_IF([test "$with_all" = no], do_without_all)
AC_DEFUN([do_with_libc],
[
if test -z "$with_libc_isdigit"; then with_libc_isdigit=yes; fi
if test -z "$with_libc_isspace"; then with_libc_isspace=yes; fi
if test -z "$with_libc_memset"; then with_libc_memset=yes; fi
if test -z "$with_libc_strcpy"; then with_libc_strcpy=yes; fi
if test -z "$with_libc_strlen"; then with_libc_strlen=yes; fi
@ -103,6 +105,7 @@ AM_CONDITIONAL([WITH_UNITS], [test "$with_units" != no])
dnl Packages (disabled by default)
AM_CONDITIONAL([WITH_LIBC_ISDIGIT], [test "$with_libc_isdigit" = yes])
AM_CONDITIONAL([WITH_LIBC_ISSPACE], [test "$with_libc_isspace" = yes])
AM_CONDITIONAL([WITH_LIBC_MEMSET], [test "$with_libc_memset" = yes])
AM_CONDITIONAL([WITH_LIBC_STRCPY], [test "$with_libc_strcpy" = yes])
AM_CONDITIONAL([WITH_LIBC_STRLEN], [test "$with_libc_strlen" = yes])
@ -136,6 +139,7 @@ AS_IF([test "$with_units", != no], [AC_DEFINE([WITH_UNITS], [1]
dnl Packages (disabled by default)
AS_IF([test "$with_libc_isdigit" = yes], [AC_DEFINE([WITH_LIBC_ISDIGIT], [1], [with isdigit replacement])])
AS_IF([test "$with_libc_isspace" = yes], [AC_DEFINE([WITH_LIBC_ISSPACE], [1], [with isspace replacement])])
AS_IF([test "$with_libc_memset" = yes], [AC_DEFINE([WITH_LIBC_MEMSET], [1], [with memset replacement])])
AS_IF([test "$with_libc_strcpy" = yes], [AC_DEFINE([WITH_LIBC_STRCPY], [1], [with strcpy replacement])])
AS_IF([test "$with_libc_strlen" = yes], [AC_DEFINE([WITH_LIBC_STRLEN], [1], [with strlen replacement])])

1
include/kernaux/libc.h
View file

@ -9,6 +9,7 @@ extern "C" {
// <ctype.h>
int isdigit(int c);
int isspace(int c);
// <string.h>
void *memset(void *s, int c, size_t n);

7
src/libc.c
View file

@ -11,6 +11,13 @@ int isdigit(const int c)
}
#endif // WITH_LIBC_ISDIGIT
#ifdef WITH_LIBC_ISSPACE
int isspace(const int c)
{
return c == ' ' || (unsigned)c - '\t' < 5;
}
#endif // WITH_LIBC_ISSPACE
#ifdef WITH_LIBC_MEMSET
void *memset(void *s, int c, size_t n)
{