[kernel] fix a typo in config-2.6.34 and config-2.6.35, thanks frogonwheels
[openwrt.git] / scripts / config / confdata.c
index b0cbbe2..271493b 100644 (file)
@@ -14,6 +14,8 @@
 #define LKC_DIRECT_LINK
 #include "lkc.h"
 
+#define LOCAL_BUILD_SETTINGS "/.openwrt/defconfig"
+
 static void conf_warning(const char *fmt, ...)
        __attribute__ ((format (printf, 1, 2)));
 
@@ -22,13 +24,10 @@ static int conf_lineno, conf_warnings, conf_unsaved;
 
 const char conf_def_filename[] = ".config";
 
-const char conf_defname[] = "arch/$ARCH/defconfig";
+const char conf_defname[] = "scripts/config/defconfig";
 
 const char *conf_confnames[] = {
        ".config",
-       "/lib/modules/$UNAME_RELEASE/.config",
-       "/etc/kernel-config",
-       "/boot/config-$UNAME_RELEASE",
        conf_defname,
        NULL,
 };
@@ -86,37 +85,11 @@ char *conf_get_default_confname(void)
        return name;
 }
 
-int conf_read_simple(const char *name)
+void conf_reset(void)
 {
-       FILE *in = NULL;
-       char line[1024];
-       char *p, *p2;
        struct symbol *sym;
        int i;
 
-       if (name) {
-               in = zconf_fopen(name);
-       } else {
-               const char **names = conf_confnames;
-               while ((name = *names++)) {
-                       name = conf_expand_value(name);
-                       in = zconf_fopen(name);
-                       if (in) {
-                               printf(_("#\n"
-                                        "# using defaults found in %s\n"
-                                        "#\n"), name);
-                               break;
-                       }
-               }
-       }
-       if (!in)
-               return 1;
-
-       conf_filename = name;
-       conf_lineno = 0;
-       conf_warnings = 0;
-       conf_unsaved = 0;
-
        for_all_symbols(i, sym) {
                sym->flags |= SYMBOL_NEW | SYMBOL_CHANGED;
                if (sym_is_choice(sym))
@@ -133,6 +106,12 @@ int conf_read_simple(const char *name)
                        sym->user.tri = no;
                }
        }
+       conf_read_simple(NULL, 0);
+}
+
+int conf_read_file(FILE *in, struct symbol *sym){
+       char line[1024];
+       char *p, *p2;
 
        while (fgets(line, sizeof(line), in)) {
                conf_lineno++;
@@ -149,12 +128,12 @@ int conf_read_simple(const char *name)
                                continue;
                        sym = sym_find(line + 9);
                        if (!sym) {
-                               conf_warning("trying to assign nonexistent symbol %s", line + 9);
+                               //conf_warning("trying to assign nonexistent symbol %s", line + 9);
                                break;
-                       } else if (!(sym->flags & SYMBOL_NEW)) {
-                               conf_warning("trying to reassign symbol %s", sym->name);
+                       } /*else if (!(sym->flags & SYMBOL_NEW)) {
+                               //conf_warning("trying to reassign symbol %s", sym->name);
                                break;
-                       }
+                       }*/
                        switch (sym->type) {
                        case S_BOOLEAN:
                        case S_TRISTATE:
@@ -179,12 +158,12 @@ int conf_read_simple(const char *name)
                                *p2 = 0;
                        sym = sym_find(line + 7);
                        if (!sym) {
-                               conf_warning("trying to assign nonexistent symbol %s", line + 7);
+                               //conf_warning("trying to assign nonexistent symbol %s", line + 7);
                                break;
-                       } else if (!(sym->flags & SYMBOL_NEW)) {
+                       } /*else if (!(sym->flags & SYMBOL_NEW)) {
                                conf_warning("trying to reassign symbol %s", sym->name);
                                break;
-                       }
+                       }*/
                        switch (sym->type) {
                        case S_TRISTATE:
                                if (p[0] == 'm') {
@@ -251,11 +230,7 @@ int conf_read_simple(const char *name)
                                }
                                break;
                        case yes:
-                               if (cs->user.tri != no) {
-                                       conf_warning("%s creates inconsistent choice state", sym->name);
-                                       cs->flags |= SYMBOL_NEW;
-                               } else
-                                       cs->user.val = sym;
+                               cs->user.val = sym;
                                break;
                        }
                        cs->user.tri = E_OR(cs->user.tri, sym->user.tri);
@@ -263,9 +238,80 @@ int conf_read_simple(const char *name)
        }
        fclose(in);
 
+       return 0;
+}
+
+int conf_read_simple(const char *name, int load_config)
+{
+       FILE *in = NULL;
+       FILE *defaults = NULL;
+       struct symbol *sym;
+       int i;
+       char *home_dir = getenv("HOME");
+       char *default_config_path = NULL;
+       
+       if(home_dir){
+                       default_config_path = malloc(strlen(home_dir) + sizeof(LOCAL_BUILD_SETTINGS) + 1);
+                       sprintf(default_config_path, "%s%s", home_dir, LOCAL_BUILD_SETTINGS);
+                       defaults = zconf_fopen(default_config_path);
+                       if(defaults)
+                                       printf("# using buildsystem predefines from %s\n", default_config_path);
+                       free(default_config_path);
+       }
+       
+       if(load_config){
+               if (name) {
+                       in = zconf_fopen(name);
+               } else {
+                       const char **names = conf_confnames;
+                       while ((name = *names++)) {
+                               name = conf_expand_value(name);
+                               in = zconf_fopen(name);
+                               if (in) {
+                                       printf(_("#\n"
+                                                "# using defaults found in %s\n"
+                                                "#\n"), name);
+                                       break;
+                               }
+                       }
+               }
+       }
+
+       if (!in && !defaults)
+               return 1;
+
+       conf_filename = name;
+       conf_lineno = 0;
+       conf_warnings = 0;
+       conf_unsaved = 0;
+       
+       for_all_symbols(i, sym) {
+               sym->flags |= SYMBOL_NEW | SYMBOL_CHANGED;
+               if (sym_is_choice(sym))
+                       sym->flags &= ~SYMBOL_NEW;
+               sym->flags &= ~SYMBOL_VALID;
+               switch (sym->type) {
+               case S_INT:
+               case S_HEX:
+               case S_STRING:
+                       if (sym->user.val)
+                               free(sym->user.val);
+               default:
+                       sym->user.val = NULL;
+                       sym->user.tri = no;
+               }
+       }
+
+       if(defaults)
+               conf_read_file(defaults, sym);
+       
+       if(in)
+               conf_read_file(in, sym);
+       
        if (modules_sym)
                sym_calc_value(modules_sym);
-       return 0;
+
+       return 0;       
 }
 
 int conf_read(const char *name)
@@ -275,7 +321,7 @@ int conf_read(const char *name)
        struct expr *e;
        int i;
 
-       if (conf_read_simple(name))
+       if (conf_read_simple(name, 1))
                return 1;
 
        for_all_symbols(i, sym) {
@@ -332,7 +378,7 @@ int conf_read(const char *name)
 
 int conf_write(const char *name)
 {
-       FILE *out, *out_h;
+       FILE *out;
        struct symbol *sym;
        struct menu *menu;
        const char *basename;
@@ -369,13 +415,7 @@ int conf_write(const char *name)
        out = fopen(newname, "w");
        if (!out)
                return 1;
-       out_h = NULL;
-       if (!name) {
-               out_h = fopen(".tmpconfig.h", "w");
-               if (!out_h)
-                       return 1;
-       }
-       sym = sym_lookup("KERNELVERSION", 0);
+       sym = sym_lookup("OPENWRTVERSION", 0);
        sym_calc_value(sym);
        time(&now);
        env = getenv("KCONFIG_NOTIMESTAMP");
@@ -384,22 +424,12 @@ int conf_write(const char *name)
 
        fprintf(out, _("#\n"
                       "# Automatically generated make config: don't edit\n"
-                      "# Linux kernel version: %s\n"
+                      "# OpenWrt version: %s\n"
                       "%s%s"
                       "#\n"),
                     sym_get_string_value(sym),
                     use_timestamp ? "# " : "",
                     use_timestamp ? ctime(&now) : "");
-       if (out_h)
-               fprintf(out_h, "/*\n"
-                              " * Automatically generated C config: don't edit\n"
-                              " * Linux kernel version: %s\n"
-                              "%s%s"
-                              " */\n"
-                              "#define AUTOCONF_INCLUDED\n",
-                              sym_get_string_value(sym),
-                              use_timestamp ? " * " : "",
-                              use_timestamp ? ctime(&now) : "");
 
        if (!sym_change_count)
                sym_clear_all_valid();
@@ -415,11 +445,6 @@ int conf_write(const char *name)
                                     "#\n"
                                     "# %s\n"
                                     "#\n", str);
-                       if (out_h)
-                               fprintf(out_h, "\n"
-                                              "/*\n"
-                                              " * %s\n"
-                                              " */\n", str);
                } else if (!(sym->flags & SYMBOL_CHOICE)) {
                        sym_calc_value(sym);
                        if (!(sym->flags & SYMBOL_WRITE))
@@ -428,8 +453,11 @@ int conf_write(const char *name)
                        type = sym->type;
                        if (type == S_TRISTATE) {
                                sym_calc_value(modules_sym);
+/* tristate always enabled */
+#if 0
                                if (modules_sym->curr.tri == no)
                                        type = S_BOOLEAN;
+#endif
                        }
                        switch (type) {
                        case S_BOOLEAN:
@@ -437,18 +465,12 @@ int conf_write(const char *name)
                                switch (sym_get_tristate_value(sym)) {
                                case no:
                                        fprintf(out, "# CONFIG_%s is not set\n", sym->name);
-                                       if (out_h)
-                                               fprintf(out_h, "#undef CONFIG_%s\n", sym->name);
                                        break;
                                case mod:
                                        fprintf(out, "CONFIG_%s=m\n", sym->name);
-                                       if (out_h)
-                                               fprintf(out_h, "#define CONFIG_%s_MODULE 1\n", sym->name);
                                        break;
                                case yes:
                                        fprintf(out, "CONFIG_%s=y\n", sym->name);
-                                       if (out_h)
-                                               fprintf(out_h, "#define CONFIG_%s 1\n", sym->name);
                                        break;
                                }
                                break;
@@ -456,40 +478,28 @@ int conf_write(const char *name)
                                // fix me
                                str = sym_get_string_value(sym);
                                fprintf(out, "CONFIG_%s=\"", sym->name);
-                               if (out_h)
-                                       fprintf(out_h, "#define CONFIG_%s \"", sym->name);
                                do {
                                        l = strcspn(str, "\"\\");
                                        if (l) {
                                                fwrite(str, l, 1, out);
-                                               if (out_h)
-                                                       fwrite(str, l, 1, out_h);
                                        }
                                        str += l;
                                        while (*str == '\\' || *str == '"') {
                                                fprintf(out, "\\%c", *str);
-                                               if (out_h)
-                                                       fprintf(out_h, "\\%c", *str);
                                                str++;
                                        }
                                } while (*str);
                                fputs("\"\n", out);
-                               if (out_h)
-                                       fputs("\"\n", out_h);
                                break;
                        case S_HEX:
                                str = sym_get_string_value(sym);
                                if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
                                        fprintf(out, "CONFIG_%s=%s\n", sym->name, str);
-                                       if (out_h)
-                                               fprintf(out_h, "#define CONFIG_%s 0x%s\n", sym->name, str);
                                        break;
                                }
                        case S_INT:
                                str = sym_get_string_value(sym);
                                fprintf(out, "CONFIG_%s=%s\n", sym->name, str);
-                               if (out_h)
-                                       fprintf(out_h, "#define CONFIG_%s %s\n", sym->name, str);
                                break;
                        }
                }
@@ -509,11 +519,6 @@ int conf_write(const char *name)
                }
        }
        fclose(out);
-       if (out_h) {
-               fclose(out_h);
-               rename(".tmpconfig.h", "include/linux/autoconf.h");
-               file_write_dep(NULL);
-       }
        if (!name || basename != conf_def_filename) {
                if (!name)
                        name = conf_def_filename;
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