-rw-r--r-- | scripts/kconfig/confdata.c | 152 |
1 files changed, 98 insertions, 54 deletions
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index 9bf7af9..f3796ce 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -18,11 +18,8 @@ const char conf_def_filename[] = ".config"; const char conf_defname[] = "arch/$ARCH/defconfig"; const char *conf_confnames[] = { ".config", - "/lib/modules/$UNAME_RELEASE/.config", - "/etc/kernel-config", - "/boot/config-$UNAME_RELEASE", conf_defname, NULL, }; @@ -104,13 +101,13 @@ int conf_read(const char *name) switch (sym->type) { case S_INT: case S_HEX: case S_STRING: - if (S_VAL(sym->def)) - free(S_VAL(sym->def)); + if (sym->user.val) + free(sym->user.val); default: - S_VAL(sym->def) = NULL; - S_TRI(sym->def) = no; + sym->user.val = NULL; + sym->user.tri = no; } } while (fgets(line, sizeof(line), in)) { @@ -128,9 +125,9 @@ int conf_read(const char *name) sym = sym_lookup(line + 9, 0); switch (sym->type) { case S_BOOLEAN: case S_TRISTATE: - sym->def = symbol_no.curr; + sym->user = symbol_no.curr; sym->flags &= ~SYMBOL_NEW; break; default: ; @@ -153,20 +150,20 @@ int conf_read(const char *name) } switch (sym->type) { case S_TRISTATE: if (p[0] == 'm') { - S_TRI(sym->def) = mod; + sym->user.tri = mod; sym->flags &= ~SYMBOL_NEW; break; } case S_BOOLEAN: if (p[0] == 'y') { - S_TRI(sym->def) = yes; + sym->user.tri = yes; sym->flags &= ~SYMBOL_NEW; break; } if (p[0] == 'n') { - S_TRI(sym->def) = no; + sym->user.tri = no; sym->flags &= ~SYMBOL_NEW; break; } break; @@ -186,9 +183,9 @@ int conf_read(const char *name) } case S_INT: case S_HEX: if (sym_string_valid(sym, p)) { - S_VAL(sym->def) = strdup(p); + sym->user.val = strdup(p); sym->flags &= ~SYMBOL_NEW; } else { fprintf(stderr, "%s:%d: symbol value '%s' invalid for %s\n", name, lineno, p, sym->name); exit(1); @@ -197,23 +194,23 @@ int conf_read(const char *name) default: ; } if (sym_is_choice_value(sym)) { - prop = sym_get_choice_prop(sym); - switch (S_TRI(sym->def)) { + struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym)); + switch (sym->user.tri) { case mod: - if (S_TRI(prop->def->def) == yes) + if (cs->user.tri == yes) /* warn? */; break; case yes: - if (S_TRI(prop->def->def) != no) + if (cs->user.tri != no) /* warn? */; - S_VAL(prop->def->def) = sym; + cs->user.val = sym; break; case no: break; } - S_TRI(prop->def->def) = S_TRI(sym->def); + cs->user.tri = sym->user.tri; } break; case '\n': break; @@ -223,14 +220,29 @@ int conf_read(const char *name) } fclose(in); for_all_symbols(i, sym) { + sym_calc_value(sym); + if (sym_has_value(sym)) { + if (sym->visible == no) + sym->flags |= SYMBOL_NEW; + switch (sym->type) { + case S_STRING: + case S_INT: + case S_HEX: + if (!sym_string_within_range(sym, sym->user.val)) + sym->flags |= SYMBOL_NEW; + default: + break; + } + } if (!sym_is_choice(sym)) continue; prop = sym_get_choice_prop(sym); sym->flags &= ~SYMBOL_NEW; - for (e = prop->dep; e; e = e->left.expr) - sym->flags |= e->right.sym->flags & SYMBOL_NEW; + for (e = prop->expr; e; e = e->left.expr) + if (e->right.sym->visible != no) + sym->flags |= e->right.sym->flags & SYMBOL_NEW; } sym_change_count = 1; @@ -241,25 +253,47 @@ int conf_write(const char *name) { FILE *out, *out_h; struct symbol *sym; struct menu *menu; - char oldname[128]; + const char *basename; + char dirname[128], tmpname[128], newname[128]; int type, l; const char *str; - out = fopen(".tmpconfig", "w"); + dirname[0] = 0; + if (name && name[0]) { + char *slash = strrchr(name, '/'); + if (slash) { + int size = slash - name + 1; + memcpy(dirname, name, size); + dirname[size] = 0; + if (slash[1]) + basename = slash + 1; + else + basename = conf_def_filename; + } else + basename = name; + } else + basename = conf_def_filename; + + sprintf(newname, "%s.tmpconfig.%d", dirname, getpid()); + out = fopen(newname, "w"); if (!out) return 1; - out_h = fopen(".tmpconfig.h", "w"); - if (!out_h) - return 1; + out_h = NULL; + if (!name) { + out_h = fopen(".tmpconfig.h", "w"); + if (!out_h) + return 1; + } fprintf(out, "#\n" "# Automatically generated make config: don't edit\n" "#\n"); - fprintf(out_h, "/*\n" - " * Automatically generated C config: don't edit\n" - " */\n" - "#define AUTOCONF_INCLUDED\n"); + if (out_h) + fprintf(out_h, "/*\n" + " * Automatically generated C config: don't edit\n" + " */\n" + "#define AUTOCONF_INCLUDED\n"); if (!sym_change_count) sym_clear_all_valid(); @@ -273,73 +307,83 @@ int conf_write(const char *name) fprintf(out, "\n" "#\n" "# %s\n" "#\n", str); - fprintf(out_h, "\n" - "/*\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)) goto next; sym->flags &= ~SYMBOL_WRITE; type = sym->type; if (type == S_TRISTATE) { sym_calc_value(modules_sym); - if (S_TRI(modules_sym->curr) == no) + if (modules_sym->curr.tri == no) type = S_BOOLEAN; } switch (type) { case S_BOOLEAN: case S_TRISTATE: switch (sym_get_tristate_value(sym)) { case no: fprintf(out, "# CONFIG_%s is not set\n", sym->name); - fprintf(out_h, "#undef CONFIG_%s\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); - fprintf(out_h, "#define CONFIG_%s_MODULE 1\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); - fprintf(out_h, "#define CONFIG_%s 1\n", sym->name); + if (out_h) + fprintf(out_h, "#define CONFIG_%s 1\n", sym->name); break; } break; case S_STRING: // fix me str = sym_get_string_value(sym); fprintf(out, "CONFIG_%s=\"", sym->name); - fprintf(out_h, "#define 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); - fwrite(str, l, 1, out_h); + if (out_h) + fwrite(str, l, 1, out_h); } str += l; while (*str == '\\' || *str == '"') { fprintf(out, "\\%c", *str); - fprintf(out_h, "\\%c", *str); + if (out_h) + fprintf(out_h, "\\%c", *str); str++; } } while (*str); fputs("\"\n", out); - fputs("\"\n", out_h); + 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); - fprintf(out_h, "#define CONFIG_%s 0x%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); - fprintf(out_h, "#define CONFIG_%s %s\n", sym->name, str); + if (out_h) + fprintf(out_h, "#define CONFIG_%s %s\n", sym->name, str); break; } } @@ -357,20 +401,20 @@ int conf_write(const char *name) } } } fclose(out); - fclose(out_h); - - if (!name) { + if (out_h) { + fclose(out_h); rename(".tmpconfig.h", "include/linux/autoconf.h"); - name = conf_def_filename; - file_write_dep(NULL); - } else - unlink(".tmpconfig.h"); - - sprintf(oldname, "%s.old", name); - rename(name, oldname); - if (rename(".tmpconfig", name)) + } + if (!name || basename != conf_def_filename) { + if (!name) + name = conf_def_filename; + sprintf(tmpname, "%s.old", name); + rename(name, tmpname); + } + sprintf(tmpname, "%s%s", dirname, basename); + if (rename(newname, tmpname)) return 1; sym_change_count = 0; |