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kconfig: add 'info', 'warning-if', and 'error-if' built-in functions
[carl9170fw.git]
/
config
/
preprocess.c
diff --git
a/config/preprocess.c
b/config/preprocess.c
index 56aa1f0bad0422eab2d1f1f2eb1f8d79f99b769c..5ee58eeb9a7d954d8d5b849211835147a88da8dc 100644
(file)
--- a/
config/preprocess.c
+++ b/
config/preprocess.c
@@
-106,6
+106,21
@@
struct function {
char *(*func)(int argc, char *argv[]);
};
char *(*func)(int argc, char *argv[]);
};
+static char *do_error_if(int argc, char *argv[])
+{
+ if (!strcmp(argv[0], "y"))
+ pperror("%s", argv[1]);
+
+ return NULL;
+}
+
+static char *do_info(int argc, char *argv[])
+{
+ printf("%s\n", argv[0]);
+
+ return xstrdup("");
+}
+
static char *do_shell(int argc, char *argv[])
{
FILE *p;
static char *do_shell(int argc, char *argv[])
{
FILE *p;
@@
-146,9
+161,21
@@
static char *do_shell(int argc, char *argv[])
return xstrdup(buf);
}
return xstrdup(buf);
}
+static char *do_warning_if(int argc, char *argv[])
+{
+ if (!strcmp(argv[0], "y"))
+ fprintf(stderr, "%s:%d: %s\n",
+ current_file->name, yylineno, argv[1]);
+
+ return xstrdup("");
+}
+
static const struct function function_table[] = {
/* Name MIN MAX Function */
static const struct function function_table[] = {
/* Name MIN MAX Function */
+ { "error-if", 2, 2, do_error_if },
+ { "info", 1, 1, do_info },
{ "shell", 1, 1, do_shell },
{ "shell", 1, 1, do_shell },
+ { "warning-if", 2, 2, do_warning_if },
};
#define FUNCTION_MAX_ARGS 16
};
#define FUNCTION_MAX_ARGS 16