Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=03d29122738f0bd81afd44b1f566e64ebf8d06fe
Commit:     03d29122738f0bd81afd44b1f566e64ebf8d06fe
Parent:     4a645d5ea65baaa5736bcb566673bf4a351b2ad8
Author:     Sam Ravnborg <[EMAIL PROTECTED]>
AuthorDate: Sat Jul 21 00:00:36 2007 +0200
Committer:  Sam Ravnborg <[EMAIL PROTECTED]>
CommitDate: Wed Jul 25 21:14:26 2007 +0200

    kconfig: attach help text to menus
    
    Roman Zippel wrote:
    > A simple example would be
    > help texts, right now they are per symbol, but they should really be per
    > menu, so archs can provide different help texts for something.
    
    This patch does this and at the same time introduce a few API
    funtions used to access the help text.
    
    The relevant api functions are introduced in the various frontends.
    
    Signed-off-by: Sam Ravnborg <[EMAIL PROTECTED]>
    Cc: Roman Zippel <[EMAIL PROTECTED]>
---
 scripts/kconfig/conf.c              |   31 +++++++++++++++----------------
 scripts/kconfig/expr.h              |    3 +--
 scripts/kconfig/gconf.c             |   10 ++--------
 scripts/kconfig/kxgettext.c         |    4 ++--
 scripts/kconfig/lkc_proto.h         |    2 ++
 scripts/kconfig/mconf.c             |    4 ++--
 scripts/kconfig/menu.c              |   12 ++++++++++++
 scripts/kconfig/qconf.cc            |    2 +-
 scripts/kconfig/zconf.tab.c_shipped |   12 ++++++------
 scripts/kconfig/zconf.y             |   12 ++++++------
 10 files changed, 49 insertions(+), 43 deletions(-)

diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 1199baf..8be6a42 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -37,6 +37,14 @@ static struct menu *rootEntry;
 
 static char nohelp_text[] = N_("Sorry, no help available for this option 
yet.\n");
 
+static const char *get_help(struct menu *menu)
+{
+       if (menu_has_help(menu))
+               return menu_get_help(menu);
+       else
+               return nohelp_text;
+}
+
 static void strip(char *str)
 {
        char *p = str;
@@ -171,7 +179,7 @@ static void conf_askvalue(struct symbol *sym, const char 
*def)
 int conf_string(struct menu *menu)
 {
        struct symbol *sym = menu->sym;
-       const char *def, *help;
+       const char *def;
 
        while (1) {
                printf("%*s%s ", indent - 1, "", menu->prompt->text);
@@ -186,10 +194,7 @@ int conf_string(struct menu *menu)
                case '?':
                        /* print help */
                        if (line[1] == '\n') {
-                               help = nohelp_text;
-                               if (menu->sym->help)
-                                       help = menu->sym->help;
-                               printf("\n%s\n", menu->sym->help);
+                               printf("\n%s\n", get_help(menu));
                                def = NULL;
                                break;
                        }
@@ -207,7 +212,6 @@ static int conf_sym(struct menu *menu)
        struct symbol *sym = menu->sym;
        int type;
        tristate oldval, newval;
-       const char *help;
 
        while (1) {
                printf("%*s%s ", indent - 1, "", menu->prompt->text);
@@ -233,7 +237,7 @@ static int conf_sym(struct menu *menu)
                        printf("/m");
                if (oldval != yes && sym_tristate_within_range(sym, yes))
                        printf("/y");
-               if (sym->help)
+               if (menu_has_help(menu))
                        printf("/?");
                printf("] ");
                conf_askvalue(sym, sym_get_string_value(sym));
@@ -269,10 +273,7 @@ static int conf_sym(struct menu *menu)
                if (sym_set_tristate_value(sym, newval))
                        return 0;
 help:
-               help = nohelp_text;
-               if (sym->help)
-                       help = sym->help;
-               printf("\n%s\n", help);
+               printf("\n%s\n", get_help(menu));
        }
 }
 
@@ -342,7 +343,7 @@ static int conf_choice(struct menu *menu)
                        goto conf_childs;
                }
                printf("[1-%d", cnt);
-               if (sym->help)
+               if (menu_has_help(menu))
                        printf("?");
                printf("]: ");
                switch (input_mode) {
@@ -359,8 +360,7 @@ static int conf_choice(struct menu *menu)
                        fgets(line, 128, stdin);
                        strip(line);
                        if (line[0] == '?') {
-                               printf("\n%s\n", menu->sym->help ?
-                                       menu->sym->help : nohelp_text);
+                               printf("\n%s\n", get_help(menu));
                                continue;
                        }
                        if (!line[0])
@@ -391,8 +391,7 @@ static int conf_choice(struct menu *menu)
                if (!child)
                        continue;
                if (line[strlen(line) - 1] == '?') {
-                       printf("\n%s\n", child->sym->help ?
-                               child->sym->help : nohelp_text);
+                       printf("\n%s\n", get_help(child));
                        continue;
                }
                sym_set_choice_value(sym, child->sym);
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 6084525..d6c33ce 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -71,7 +71,6 @@ enum {
 struct symbol {
        struct symbol *next;
        char *name;
-       char *help;
        enum symbol_type type;
        struct symbol_value curr;
        struct symbol_value def[4];
@@ -139,7 +138,7 @@ struct menu {
        struct property *prompt;
        struct expr *dep;
        unsigned int flags;
-       //char *help;
+       char *help;
        struct file *file;
        int lineno;
        void *data;
diff --git a/scripts/kconfig/gconf.c b/scripts/kconfig/gconf.c
index 61d8166..262908c 100644
--- a/scripts/kconfig/gconf.c
+++ b/scripts/kconfig/gconf.c
@@ -38,9 +38,6 @@ static gboolean show_all = FALSE;
 static gboolean show_debug = FALSE;
 static gboolean resizeable = FALSE;
 
-static char nohelp_text[] =
-    N_("Sorry, no help available for this option yet.\n");
-
 GtkWidget *main_wnd = NULL;
 GtkWidget *tree1_w = NULL;     // left  frame
 GtkWidget *tree2_w = NULL;     // right frame
@@ -462,12 +459,9 @@ static void text_insert_help(struct menu *menu)
        GtkTextIter start, end;
        const char *prompt = menu_get_prompt(menu);
        gchar *name;
-       const char *help = _(nohelp_text);
+       const char *help;
 
-       if (!menu->sym)
-               help = "";
-       else if (menu->sym->help)
-               help = _(menu->sym->help);
+       help = _(menu_get_help(menu));
 
        if (menu->sym && menu->sym->name)
                name = g_strdup_printf(_(menu->sym->name));
diff --git a/scripts/kconfig/kxgettext.c b/scripts/kconfig/kxgettext.c
index 11f7dab..6eb72a7 100644
--- a/scripts/kconfig/kxgettext.c
+++ b/scripts/kconfig/kxgettext.c
@@ -170,8 +170,8 @@ void menu_build_message_list(struct menu *menu)
                     menu->file == NULL ? "Root Menu" : menu->file->name,
                     menu->lineno);
 
-       if (menu->sym != NULL && menu->sym->help != NULL)
-               message__add(menu->sym->help, menu->sym->name,
+       if (menu->sym != NULL && menu_has_help(menu))
+               message__add(menu_get_help(menu), menu->sym->name,
                             menu->file == NULL ? "Root Menu" : 
menu->file->name,
                             menu->lineno);
 
diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h
index 1503077..4d09f6d 100644
--- a/scripts/kconfig/lkc_proto.h
+++ b/scripts/kconfig/lkc_proto.h
@@ -15,6 +15,8 @@ P(menu_is_visible,bool,(struct menu *menu));
 P(menu_get_prompt,const char *,(struct menu *menu));
 P(menu_get_root_menu,struct menu *,(struct menu *menu));
 P(menu_get_parent_menu,struct menu *,(struct menu *menu));
+P(menu_has_help,bool,(struct menu *menu));
+P(menu_get_help,const char *,(struct menu *menu));
 
 /* symbol.c */
 P(symbol_hash,struct symbol *,[SYMBOL_HASHSIZE]);
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index d2c2a42..bc5854e 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -725,11 +725,11 @@ static void show_help(struct menu *menu)
        struct gstr help = str_new();
        struct symbol *sym = menu->sym;
 
-       if (sym->help)
+       if (menu_has_help(menu))
        {
                if (sym->name) {
                        str_printf(&help, "CONFIG_%s:\n\n", sym->name);
-                       str_append(&help, _(sym->help));
+                       str_append(&help, _(menu_get_help(menu)));
                        str_append(&help, "\n");
                }
        } else {
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index f14aeac..f9d0d91 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -417,3 +417,15 @@ struct menu *menu_get_parent_menu(struct menu *menu)
        return menu;
 }
 
+bool menu_has_help(struct menu *menu)
+{
+       return menu->help != NULL;
+}
+
+const char *menu_get_help(struct menu *menu)
+{
+       if (menu->help)
+               return menu->help;
+       else
+               return "";
+}
diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index f2a23a9..e4eeb59 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -1041,7 +1041,7 @@ void ConfigInfoView::menuInfo(void)
                if (showDebug())
                        debug = debug_info(sym);
 
-               help = print_filter(_(sym->help));
+               help = print_filter(_(menu_get_help(menu)));
        } else if (menu->prompt) {
                head += "<big><b>";
                head += print_filter(_(menu->prompt->text));
diff --git a/scripts/kconfig/zconf.tab.c_shipped 
b/scripts/kconfig/zconf.tab.c_shipped
index 9a06b67..ec21db7 100644
--- a/scripts/kconfig/zconf.tab.c_shipped
+++ b/scripts/kconfig/zconf.tab.c_shipped
@@ -1722,7 +1722,7 @@ yyreduce:
   case 83:
 
     {
-       current_entry->sym->help = (yyvsp[0].string);
+       current_entry->help = (yyvsp[0].string);
 ;}
     break;
 
@@ -2280,11 +2280,11 @@ void print_symbol(FILE *out, struct menu *menu)
                        break;
                }
        }
-       if (sym->help) {
-               int len = strlen(sym->help);
-               while (sym->help[--len] == '\n')
-                       sym->help[len] = 0;
-               fprintf(out, "  help\n%s\n", sym->help);
+       if (menu->help) {
+               int len = strlen(menu->help);
+               while (menu->help[--len] == '\n')
+                       menu->help[len] = 0;
+               fprintf(out, "  help\n%s\n", menu->help);
        }
        fputc('\n', out);
 }
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index 92eb02b..79db4cf 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -402,7 +402,7 @@ help_start: T_HELP T_EOL
 
 help: help_start T_HELPTEXT
 {
-       current_entry->sym->help = $2;
+       current_entry->help = $2;
 };
 
 /* depends option */
@@ -649,11 +649,11 @@ void print_symbol(FILE *out, struct menu *menu)
                        break;
                }
        }
-       if (sym->help) {
-               int len = strlen(sym->help);
-               while (sym->help[--len] == '\n')
-                       sym->help[len] = 0;
-               fprintf(out, "  help\n%s\n", sym->help);
+       if (menu->help) {
+               int len = strlen(menu->help);
+               while (menu->help[--len] == '\n')
+                       menu->help[len] = 0;
+               fprintf(out, "  help\n%s\n", menu->help);
        }
        fputc('\n', out);
 }
-
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