isolate and show busybox`s changes

1 files changed, 30 insertions, 31 deletions

diff --git a/scripts/config/confdata.c b/scripts/config/confdata.c
index fa26293..a866deb 100644
--- a/scripts/config/confdata.c
+++ b/scripts/config/confdata.c
@@ -279,7 +279,10 @@ int conf_write(const char *name)
 	char dirname[128], tmpname[128], newname[128];
 	int type, l;
 	const char *str;
+
+	/* busybox`s code */
 	const char *opt_name;
+	int use_flg;
 
 	dirname[0] = 0;
 	if (name && name[0]) {
@@ -316,6 +319,8 @@ int conf_write(const char *name)
 	fprintf(out, "#\n"
 		     "# Automatically generated make config: don't edit\n"
 		     "#\n");
+
+	/* busybox`s code */
 	if (out_h) {
 		fprintf(out_h, "#ifndef BB_CONFIG_H\n#define BB_CONFIG_H\n");
 		fprintf(out_h, "/*\n"
@@ -331,6 +336,7 @@ int conf_write(const char *name)
 				     getenv("EXTRA_VERSION"));
 		fprintf(out_h, "\n");
 	}
+	/* end busybox`s code */
 
 	if (!sym_change_count)
 		sym_clear_all_valid();
@@ -369,39 +375,37 @@ int conf_write(const char *name)
 				if (modules_sym->curr.tri == no)
 					type = S_BOOLEAN;
 			}
+
+			/* busybox`s code */
 			opt_name = strchr(sym->name, '_');
 			if(opt_name == NULL)
 				opt_name = sym->name;
 			else
 				opt_name++;
+			use_flg = 1;
+			/* end busybox`s code */
+
 			switch (type) {
 			case S_BOOLEAN:
 			case S_TRISTATE:
 				switch (sym_get_tristate_value(sym)) {
 				case no:
 					fprintf(out, "# %s is not set\n", sym->name);
-					if (out_h) {
+					if (out_h)
 						fprintf(out_h, "#undef %s\n", sym->name);
-						fprintf(out_h, "#define ENABLE_%s 0\n", opt_name);
-						fprintf(out_h, "#define USE_%s(...)\n", opt_name);
-						fprintf(out_h, "#define UNUSE_%s(...)  __VA_ARGS__\n", opt_name);
-					}
+					use_flg = 0;    /* busybox`s code */
 					break;
 				case mod:
-#if 0
+#if 0   /* busybox`s code */
 					fprintf(out, "%s=m\n", sym->name);
 					if (out_h)
 						fprintf(out_h, "#define %s_MODULE 1\n", sym->name);
-#endif
+#endif  /* busybox`s code */
 					break;
 				case yes:
 					fprintf(out, "%s=y\n", sym->name);
-					if (out_h) {
+					if (out_h)
 						fprintf(out_h, "#define %s 1\n", sym->name);
-						fprintf(out_h, "#define ENABLE_%s 1\n", opt_name);
-						fprintf(out_h, "#define USE_%s(...)  __VA_ARGS__\n", opt_name);
-						fprintf(out_h, "#define UNUSE_%s(...)\n", opt_name);
-					}
 					break;
 				}
 				break;
@@ -427,47 +431,42 @@ int conf_write(const char *name)
 					}
 				} while (*str);
 				fputs("\"\n", out);
-				if (out_h) {
+				if (out_h)
 					fputs("\"\n", out_h);
-					fprintf(out_h, "#define ENABLE_%s 1\n", opt_name);
-					fprintf(out_h, "#define USE_%s(...)  __VA_ARGS__\n", opt_name);
-					fprintf(out_h, "#define UNUSE_%s(...)\n", opt_name);
-				}
 				break;
 			case S_HEX:
 				str = sym_get_string_value(sym);
 				if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
 					fprintf(out, "%s=%s\n", sym->name, *str ? str : "0");
-					if (out_h) {
+					if (out_h)
 						fprintf(out_h, "#define %s 0x%s\n", sym->name, str);
-						fprintf(out_h, "#define ENABLE_%s 1\n", opt_name);
-						fprintf(out_h, "#define USE_%s(...)  __VA_ARGS__\n", opt_name);
-						fprintf(out_h, "#define UNUSE_%s(...)\n", opt_name);
-					}
 					break;
 				}
 			case S_INT:
 				str = sym_get_string_value(sym);
 				fprintf(out, "%s=%s\n", sym->name, *str ? str : "0");
-				if (out_h) {
+				if (out_h)
 					fprintf(out_h, "#define %s %s\n", sym->name, str);
-					fprintf(out_h, "#define ENABLE_%s 1\n", opt_name);
-					fprintf(out_h, "#define USE_%s(...)  __VA_ARGS__\n", opt_name);
-					fprintf(out_h, "#define UNUSE_%s(...)\n", opt_name);
-				}
 				break;
 			}
-			if (out_h)
-				fprintf(out_h, "\n");
+			/* busybox`s code */
+			if (out_h) {
+				fprintf(out_h, "#define ENABLE_%s %d\n", opt_name, use_flg);
+				fprintf(out_h, "#define USE_%s(...)%s\n", opt_name,
+					(use_flg ? "  __VA_ARGS__" : ""));
+				fprintf(out_h, "#define UNUSE_%s(...)%s\n\n", opt_name,
+					(use_flg ? "" : "  __VA_ARGS__"));
+			}
+			/* end busybox`s code */
 		}
 next:
 		menu = next_menu(menu);
 	}
 	fclose(out);
 	if (out_h) {
-		fprintf(out_h, "#endif /* BB_CONFIG_H */\n");
+		fprintf(out_h, "#endif /* BB_CONFIG_H */\n");   /* busybox`s code */
 		fclose(out_h);
-		rename(".tmpconfig.h", "include/bb_config.h");
+		rename(".tmpconfig.h", "include/bb_config.h");  /* busybox`s config name */
 		file_write_dep(NULL);
 	}
 	if (!name || basename != conf_def_filename) {