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| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2018-05-28 12:21:54 +0300 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2018-05-28 21:31:19 +0300 |
| commit | a702a6176e2fea9ae366a7345247eb886e4cc730 (patch) | |
| tree | e08bdefac418225fec1a8ac0aff85d379df03c0e | |
| parent | 1d6272e6fe43bc45c7ee58170d91d7242a71296b (diff) | |
| download | linux-a702a6176e2fea9ae366a7345247eb886e4cc730.tar.xz | |
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>
| -rw-r--r-- | scripts/kconfig/preprocess.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/scripts/kconfig/preprocess.c b/scripts/kconfig/preprocess.c index 5ee58eeb9a7d..0574039238c6 100644 --- a/scripts/kconfig/preprocess.c +++ b/scripts/kconfig/preprocess.c @@ -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 }, }; |