I do not think 'struct conf_printer' is so useful.
Add simple functions, print_symbol_for_*() to write out one symbol.
Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
---
scripts/kconfig/confdata.c | 136 ++++++++++++++++---------------------
1 file changed, 57 insertions(+), 79 deletions(-)
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index ed1bb8ba971b..ce11e7442d12 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -11,6 +11,7 @@
#include <fcntl.h>
#include <limits.h>
#include <stdarg.h>
+#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -159,10 +160,6 @@ static int conf_touch_dep(const char *name)
return 0;
}
-struct conf_printer {
- void (*print_symbol)(FILE *, struct symbol *, const char *, void *);
-};
-
static void conf_warning(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
@@ -629,91 +626,52 @@ static void conf_write_heading(FILE *fp, const struct comment_style *cs)
* This printer is used when generating the resulting configuration after
* kconfig invocation and `defconfig' files. Unset symbol might be omitted by
* passing a non-NULL argument to the printer.
- *
*/
-static void
-kconfig_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
-{
-
- switch (sym->type) {
- case S_BOOLEAN:
- case S_TRISTATE:
- if (*value == 'n') {
- bool skip_unset = (arg != NULL);
-
- if (!skip_unset)
- fprintf(fp, "# %s%s is not set\n",
- CONFIG_, sym->name);
- return;
- }
- break;
- default:
- break;
- }
-
- fprintf(fp, "%s%s=%s\n", CONFIG_, sym->name, value);
-}
+enum output_n { OUTPUT_N, OUTPUT_N_AS_UNSET, OUTPUT_N_NONE };
-static struct conf_printer kconfig_printer_cb =
+static void __print_symbol(FILE *fp, struct symbol *sym, enum output_n output_n,
+ bool escape_string)
{
- .print_symbol = kconfig_print_symbol,
-};
+ const char *val;
+ char *escaped = NULL;
-/*
- * Header printer
- *
- * This printer is used when generating the `include/generated/autoconf.h' file.
- */
-static void
-header_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
-{
+ if (sym->type == S_UNKNOWN)
+ return;
- switch (sym->type) {
- case S_BOOLEAN:
- case S_TRISTATE: {
- const char *suffix = "";
+ val = sym_get_string_value(sym);
- switch (*value) {
- case 'n':
- break;
- case 'm':
- suffix = "_MODULE";
- /* fall through */
- default:
- fprintf(fp, "#define %s%s%s 1\n",
- CONFIG_, sym->name, suffix);
- }
- break;
+ if ((sym->type == S_BOOLEAN || sym->type == S_TRISTATE) &&
+ output_n != OUTPUT_N && *val == 'n') {
+ if (output_n == OUTPUT_N_AS_UNSET)
+ fprintf(fp, "# %s%s is not set\n", CONFIG_, sym->name);
+ return;
}
- case S_HEX: {
- const char *prefix = "";
- if (value[0] != '0' || (value[1] != 'x' && value[1] != 'X'))
- prefix = "0x";
- fprintf(fp, "#define %s%s %s%s\n",
- CONFIG_, sym->name, prefix, value);
- break;
- }
- case S_STRING:
- case S_INT:
- fprintf(fp, "#define %s%s %s\n",
- CONFIG_, sym->name, value);
- break;
- default:
- break;
+ if (sym->type == S_STRING && escape_string) {
+ escaped = sym_escape_string_value(val);
+ val = escaped;
}
+ fprintf(fp, "%s%s=%s\n", CONFIG_, sym->name, val);
+
+ free(escaped);
}
-static struct conf_printer header_printer_cb =
+static void print_symbol_for_dotconfig(FILE *fp, struct symbol *sym)
{
- .print_symbol = header_print_symbol,
-};
+ __print_symbol(fp, sym, OUTPUT_N_AS_UNSET, true);
+}
+
+static void print_symbol_for_autoconf(FILE *fp, struct symbol *sym)
+{
+ __print_symbol(fp, sym, OUTPUT_N_NONE, true);
+}
-static void conf_write_symbol(FILE *fp, struct symbol *sym,
- struct conf_printer *printer, void *printer_arg)
+static void print_symbol_for_c(FILE *fp, struct symbol *sym)
{
const char *val;
+ const char *sym_suffix = "";
+ const char *val_prefix = "";
char *escaped = NULL;
if (sym->type == S_UNKNOWN)
@@ -721,12 +679,32 @@ static void conf_write_symbol(FILE *fp, struct symbol *sym,
val = sym_get_string_value(sym);
- if (sym->type == S_STRING) {
+ switch (sym->type) {
+ case S_BOOLEAN:
+ case S_TRISTATE:
+ switch (*val) {
+ case 'n':
+ return;
+ case 'm':
+ sym_suffix = "_MODULE";
+ /* fall through */
+ default:
+ val = "1";
+ }
+ break;
+ case S_HEX:
+ if (val[0] != '0' || (val[1] != 'x' && val[1] != 'X'))
+ val_prefix = "0x";
+ break;
+ case S_STRING:
escaped = sym_escape_string_value(val);
val = escaped;
+ default:
+ break;
}
- printer->print_symbol(fp, sym, val, printer_arg);
+ fprintf(fp, "#define %s%s%s %s%s\n", CONFIG_, sym->name, sym_suffix,
+ val_prefix, val);
free(escaped);
}
@@ -787,7 +765,7 @@ int conf_write_defconfig(const char *filename)
goto next_menu;
}
}
- conf_write_symbol(out, sym, &kconfig_printer_cb, NULL);
+ print_symbol_for_dotconfig(out, sym);
}
next_menu:
if (menu->list != NULL) {
@@ -874,7 +852,7 @@ int conf_write(const char *name)
need_newline = false;
}
sym->flags |= SYMBOL_WRITTEN;
- conf_write_symbol(out, sym, &kconfig_printer_cb, NULL);
+ print_symbol_for_dotconfig(out, sym);
}
next:
@@ -1060,8 +1038,8 @@ int conf_write_autoconf(int overwrite)
continue;
/* write symbols to auto.conf and autoconf.h */
- conf_write_symbol(out, sym, &kconfig_printer_cb, (void *)1);
- conf_write_symbol(out_h, sym, &header_printer_cb, NULL);
+ print_symbol_for_autoconf(out, sym);
+ print_symbol_for_c(out_h, sym);
}
fclose(out);
fclose(out_h);
--
2.30.2
