add possibility to set default .config values

[openwrt-10.03/.git] / scripts / config / confdata.c

diff --git a/scripts/config/confdata.c b/scripts/config/confdata.c
index 4524d512c1e862a96ad8c64dbac877eea1129753..c77bef2e2597aa5c37343fcb3d7c4b2deafc74f0 100644 (file)
--- a/scripts/config/confdata.c
+++ b/scripts/config/confdata.c
@@ -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)));
 
@@ -87,7 +89,7 @@ void conf_reset(void)
 {
        struct symbol *sym;
        int i;
-       
+
        for_all_symbols(i, sym) {
                sym->flags |= SYMBOL_NEW | SYMBOL_CHANGED;
                if (sym_is_choice(sym))
@@ -104,55 +106,12 @@ void conf_reset(void)
                        sym->user.tri = no;
                }
        }
+       conf_read_simple(NULL, 0);
 }
 
-int conf_read_simple(const char *name)
-{
-       FILE *in = NULL;
+int conf_read_file(FILE *in, struct symbol *sym){
        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))
-                       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;
-               }
-       }
 
        while (fgets(line, sizeof(line), in)) {
                conf_lineno++;
@@ -169,12 +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:
@@ -199,12 +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') {
@@ -283,9 +242,80 @@ 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)
@@ -295,7 +325,7 @@ 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) {