p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

kconfig: add 'filename' and 'lineno' built-in variables 

The special variables, $(filename) and $(lineno), are expanded to a
file name and its line number being parsed, respectively.

Suggested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
This commit is contained in:
Masahiro Yamada 2018-05-28 18:21:54 +09:00
parent 1d6272e6fe
commit a702a6176e
1 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
scripts/kconfig/preprocess.c
View File

@ -114,6 +114,11 @@ static char *do_error_if(int argc, char *argv[])
return NULL;
}
static char *do_filename(int argc, char *argv[])
{
return xstrdup(current_file->name);
}
static char *do_info(int argc, char *argv[])
{
printf("%s\n", argv[0]);
@ -121,6 +126,15 @@ static char *do_info(int argc, char *argv[])
return xstrdup("");
}
static char *do_lineno(int argc, char *argv[])
{
char buf[16];
sprintf(buf, "%d", yylineno);
return xstrdup(buf);
}
static char *do_shell(int argc, char *argv[])
{
FILE *p;
@ -173,7 +187,9 @@ static char *do_warning_if(int argc, char *argv[])
static const struct function function_table[] = {
/* Name MIN MAX Function */
{ "error-if", 2, 2, do_error_if },
{ "filename", 0, 0, do_filename },
{ "info", 1, 1, do_info },
{ "lineno", 0, 0, do_lineno },
{ "shell", 1, 1, do_shell },
{ "warning-if", 2, 2, do_warning_if },
};