| 1 | |
| 2 | * Copyright (C) 2002 Roman Zippel <[email protected]>
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| 3 | * Released under the terms of the GNU GPL v2.0.
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| 4 |
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| 5 |
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| 6 | #include <sys/stat.h>
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| 7 | #include <ctype.h>
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| 8 | #include <errno.h>
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| 9 | #include <fcntl.h>
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| 10 | #include <stdio.h>
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| 11 | #include <stdlib.h>
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| 12 | #include <string.h>
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| 13 | #include <time.h>
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| 14 | #include <unistd.h>
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| 15 |
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| 16 | #define LKC_DIRECT_LINK
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| 17 | #include "lkc.h"
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| 18 |
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| 19 | static void conf_warning(const char *fmt, ...)
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| 20 | __attribute__ ((format (printf, 1, 2)));
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| 21 |
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| 22 | static void conf_message(const char *fmt, ...)
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| 23 | __attribute__ ((format (printf, 1, 2)));
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| 24 |
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| 25 | static const char *conf_filename;
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| 26 | static int conf_lineno, conf_warnings, conf_unsaved;
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| 27 |
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| 28 | const char conf_defname[] = "arch/$ARCH/defconfig";
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| 29 |
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| 30 | static void conf_warning(const char *fmt, ...)
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| 31 | {
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| 32 | va_list ap;
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| 33 | va_start(ap, fmt);
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| 34 | fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno);
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| 35 | vfprintf(stderr, fmt, ap);
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| 36 | fprintf(stderr, "\n");
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| 37 | va_end(ap);
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| 38 | conf_warnings++;
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| 39 | }
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| 40 |
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| 41 | static void conf_default_message_callback(const char *fmt, va_list ap)
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| 42 | {
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| 43 | printf("#\n# ");
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| 44 | vprintf(fmt, ap);
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| 45 | printf("\n#\n");
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| 46 | }
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| 47 |
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| 48 | static void (*conf_message_callback) (const char *fmt, va_list ap) =
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| 49 | conf_default_message_callback;
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| 50 | void conf_set_message_callback(void (*fn) (const char *fmt, va_list ap))
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| 51 | {
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| 52 | conf_message_callback = fn;
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| 53 | }
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| 54 |
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| 55 | static void conf_message(const char *fmt, ...)
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| 56 | {
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| 57 | va_list ap;
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| 58 |
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| 59 | va_start(ap, fmt);
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| 60 | if (conf_message_callback)
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| 61 | conf_message_callback(fmt, ap);
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| 62 | }
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| 63 |
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| 64 | const char *conf_get_configname(void)
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| 65 | {
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| 66 | char *name = getenv("KCONFIG_CONFIG");
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| 67 |
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| 68 | return name ? name : ".config";
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| 69 | }
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| 70 |
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| 71 | const char *conf_get_autoconfig_name(void)
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| 72 | {
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| 73 | char *name = getenv("KCONFIG_AUTOCONFIG");
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| 74 |
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| 75 | return name ? name : "include/config/auto.conf";
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| 76 | }
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| 77 |
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| 78 | static char *conf_expand_value(const char *in)
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| 79 | {
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| 80 | struct symbol *sym;
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| 81 | const char *src;
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| 82 | static char res_value[SYMBOL_MAXLENGTH];
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| 83 | char *dst, name[SYMBOL_MAXLENGTH];
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| 84 |
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| 85 | res_value[0] = 0;
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| 86 | dst = name;
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| 87 | while ((src = strchr(in, '$'))) {
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| 88 | strncat(res_value, in, src - in);
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| 89 | src++;
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| 90 | dst = name;
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| 91 | while (isalnum(*src) || *src == '_')
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| 92 | *dst++ = *src++;
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| 93 | *dst = 0;
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| 94 | sym = sym_lookup(name, 0);
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| 95 | sym_calc_value(sym);
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| 96 | strcat(res_value, sym_get_string_value(sym));
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| 97 | in = src;
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| 98 | }
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| 99 | strcat(res_value, in);
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| 100 |
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| 101 | return res_value;
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| 102 | }
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| 103 |
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| 104 | char *conf_get_default_confname(void)
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| 105 | {
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| 106 | struct stat buf;
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| 107 | static char fullname[PATH_MAX+1];
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| 108 | char *env, *name;
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| 109 |
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| 110 | name = conf_expand_value(conf_defname);
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| 111 | env = getenv(SRCTREE);
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| 112 | if (env) {
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| 113 | sprintf(fullname, "%s/%s", env, name);
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| 114 | if (!stat(fullname, &buf))
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| 115 | return fullname;
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| 116 | }
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| 117 | return name;
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| 118 | }
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| 119 |
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| 120 | static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
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| 121 | {
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| 122 | char *p2;
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| 123 |
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| 124 | switch (sym->type) {
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| 125 | case S_TRISTATE:
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| 126 | if (p[0] == 'm') {
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| 127 | sym->def[def].tri = mod;
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| 128 | sym->flags |= def_flags;
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| 129 | break;
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| 130 | }
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| 131 | case S_BOOLEAN:
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| 132 | if (p[0] == 'y') {
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| 133 | sym->def[def].tri = yes;
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| 134 | sym->flags |= def_flags;
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| 135 | break;
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| 136 | }
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| 137 | if (p[0] == 'n') {
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| 138 | sym->def[def].tri = no;
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| 139 | sym->flags |= def_flags;
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| 140 | break;
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| 141 | }
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| 142 | conf_warning("symbol value '%s' invalid for %s", p, sym->name);
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| 143 | break;
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| 144 | case S_OTHER:
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| 145 | if (*p != '"') {
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| 146 | for (p2 = p; *p2 && !isspace(*p2); p2++)
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| 147 | ;
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| 148 | sym->type = S_STRING;
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| 149 | goto done;
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| 150 | }
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| 151 | case S_STRING:
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| 152 | if (*p++ != '"')
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| 153 | break;
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| 154 | for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) {
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| 155 | if (*p2 == '"') {
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| 156 | *p2 = 0;
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| 157 | break;
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| 158 | }
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| 159 | memmove(p2, p2 + 1, strlen(p2));
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| 160 | }
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| 161 | if (!p2) {
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| 162 | conf_warning("invalid string found");
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| 163 | return 1;
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| 164 | }
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| 165 | case S_INT:
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| 166 | case S_HEX:
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| 167 | done:
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| 168 | if (sym_string_valid(sym, p)) {
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| 169 | sym->def[def].val = strdup(p);
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| 170 | sym->flags |= def_flags;
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| 171 | } else {
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| 172 | conf_warning("symbol value '%s' invalid for %s", p, sym->name);
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| 173 | return 1;
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| 174 | }
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| 175 | break;
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| 176 | default:
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| 177 | ;
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| 178 | }
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| 179 | return 0;
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| 180 | }
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| 181 |
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| 182 | int conf_read_simple(const char *name, int def)
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| 183 | {
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| 184 | FILE *in = NULL;
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| 185 | char line[1024];
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| 186 | char *p, *p2;
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| 187 | struct symbol *sym;
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| 188 | int i, def_flags;
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| 189 |
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| 190 | if (name) {
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| 191 | in = zconf_fopen(name);
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| 192 | } else {
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| 193 | struct property *prop;
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| 194 |
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| 195 | name = conf_get_configname();
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| 196 | in = zconf_fopen(name);
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| 197 | if (in)
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| 198 | goto load;
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| 199 | sym_add_change_count(1);
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| 200 | if (!sym_defconfig_list) {
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| 201 | if (modules_sym)
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| 202 | sym_calc_value(modules_sym);
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| 203 | return 1;
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| 204 | }
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| 205 |
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| 206 | for_all_defaults(sym_defconfig_list, prop) {
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| 207 | if (expr_calc_value(prop->visible.expr) == no ||
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| 208 | prop->expr->type != E_SYMBOL)
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| 209 | continue;
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| 210 | name = conf_expand_value(prop->expr->left.sym->name);
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| 211 | in = zconf_fopen(name);
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| 212 | if (in) {
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| 213 | conf_message(_("using defaults found in %s"),
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| 214 | name);
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| 215 | goto load;
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| 216 | }
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| 217 | }
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| 218 | }
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| 219 | if (!in)
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| 220 | return 1;
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| 221 |
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| 222 | load:
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| 223 | conf_filename = name;
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| 224 | conf_lineno = 0;
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| 225 | conf_warnings = 0;
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| 226 | conf_unsaved = 0;
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| 227 |
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| 228 | def_flags = SYMBOL_DEF << def;
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| 229 | for_all_symbols(i, sym) {
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| 230 | sym->flags |= SYMBOL_CHANGED;
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| 231 | sym->flags &= ~(def_flags|SYMBOL_VALID);
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| 232 | if (sym_is_choice(sym))
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| 233 | sym->flags |= def_flags;
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| 234 | switch (sym->type) {
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| 235 | case S_INT:
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| 236 | case S_HEX:
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| 237 | case S_STRING:
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| 238 | if (sym->def[def].val)
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| 239 | free(sym->def[def].val);
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| 240 | default:
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| 241 | sym->def[def].val = NULL;
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| 242 | sym->def[def].tri = no;
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| 243 | }
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| 244 | }
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| 245 |
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| 246 | while (fgets(line, sizeof(line), in)) {
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| 247 | conf_lineno++;
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| 248 | sym = NULL;
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| 249 | if (line[0] == '#') {
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| 250 | if (memcmp(line + 2, CONFIG_, strlen(CONFIG_)))
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| 251 | continue;
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| 252 | p = strchr(line + 2 + strlen(CONFIG_), ' ');
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| 253 | if (!p)
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| 254 | continue;
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| 255 | *p++ = 0;
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| 256 | if (strncmp(p, "is not set", 10))
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| 257 | continue;
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| 258 | if (def == S_DEF_USER) {
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| 259 | sym = sym_find(line + 2 + strlen(CONFIG_));
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| 260 | if (!sym) {
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| 261 | sym_add_change_count(1);
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| 262 | goto setsym;
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| 263 | }
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| 264 | } else {
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| 265 | sym = sym_lookup(line + 2 + strlen(CONFIG_), 0);
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| 266 | if (sym->type == S_UNKNOWN)
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| 267 | sym->type = S_BOOLEAN;
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| 268 | }
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| 269 | if (sym->flags & def_flags) {
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| 270 | conf_warning("override: reassigning to symbol %s", sym->name);
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| 271 | }
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| 272 | switch (sym->type) {
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| 273 | case S_BOOLEAN:
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| 274 | case S_TRISTATE:
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| 275 | sym->def[def].tri = no;
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| 276 | sym->flags |= def_flags;
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| 277 | break;
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| 278 | default:
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| 279 | ;
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| 280 | }
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| 281 | } else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) {
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| 282 | p = strchr(line + strlen(CONFIG_), '=');
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| 283 | if (!p)
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| 284 | continue;
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| 285 | *p++ = 0;
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| 286 | p2 = strchr(p, '\n');
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| 287 | if (p2) {
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| 288 | *p2-- = 0;
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| 289 | if (*p2 == '\r')
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| 290 | *p2 = 0;
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| 291 | }
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| 292 | if (def == S_DEF_USER) {
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| 293 | sym = sym_find(line + strlen(CONFIG_));
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| 294 | if (!sym) {
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| 295 | sym_add_change_count(1);
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| 296 | goto setsym;
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| 297 | }
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| 298 | } else {
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| 299 | sym = sym_lookup(line + strlen(CONFIG_), 0);
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| 300 | if (sym->type == S_UNKNOWN)
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| 301 | sym->type = S_OTHER;
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| 302 | }
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| 303 | if (sym->flags & def_flags) {
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| 304 | conf_warning("override: reassigning to symbol %s", sym->name);
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| 305 | }
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| 306 | if (conf_set_sym_val(sym, def, def_flags, p))
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| 307 | continue;
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| 308 | } else {
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| 309 | if (line[0] != '\r' && line[0] != '\n')
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| 310 | conf_warning("unexpected data");
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| 311 | continue;
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| 312 | }
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| 313 | setsym:
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| 314 | if (sym && sym_is_choice_value(sym)) {
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| 315 | struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
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| 316 | switch (sym->def[def].tri) {
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| 317 | case no:
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| 318 | break;
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| 319 | case mod:
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| 320 | if (cs->def[def].tri == yes) {
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| 321 | conf_warning("%s creates inconsistent choice state", sym->name);
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| 322 | cs->flags &= ~def_flags;
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| 323 | }
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| 324 | break;
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| 325 | case yes:
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| 326 | if (cs->def[def].tri != no)
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| 327 | conf_warning("override: %s changes choice state", sym->name);
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| 328 | cs->def[def].val = sym;
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| 329 | break;
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| 330 | }
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| 331 | cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri);
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| 332 | }
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| 333 | }
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| 334 | fclose(in);
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| 335 |
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| 336 | if (modules_sym)
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| 337 | sym_calc_value(modules_sym);
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| 338 | return 0;
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| 339 | }
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| 340 |
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| 341 | int conf_read(const char *name)
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| 342 | {
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| 343 | struct symbol *sym, *choice_sym;
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| 344 | struct property *prop;
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| 345 | struct expr *e;
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| 346 | int i, flags;
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| 347 |
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| 348 | sym_set_change_count(0);
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| 349 |
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| 350 | if (conf_read_simple(name, S_DEF_USER))
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| 351 | return 1;
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| 352 |
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| 353 | for_all_symbols(i, sym) {
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| 354 | sym_calc_value(sym);
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| 355 | if (sym_is_choice(sym) || (sym->flags & SYMBOL_AUTO))
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| 356 | goto sym_ok;
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| 357 | if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) {
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| 358 |
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| 359 | switch (sym->type) {
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| 360 | case S_BOOLEAN:
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| 361 | case S_TRISTATE:
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| 362 | if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym))
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| 363 | break;
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| 364 | if (!sym_is_choice(sym))
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| 365 | goto sym_ok;
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| 366 | default:
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| 367 | if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val))
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| 368 | goto sym_ok;
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| 369 | break;
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| 370 | }
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| 371 | } else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE))
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| 372 |
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| 373 | goto sym_ok;
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| 374 | conf_unsaved++;
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| 375 |
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| 376 | sym_ok:
|
| 377 | if (!sym_is_choice(sym))
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| 378 | continue;
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| 379 | |
| 380 | * if all its visible childs have values.
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| 381 |
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| 382 | prop = sym_get_choice_prop(sym);
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| 383 | flags = sym->flags;
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| 384 | expr_list_for_each_sym(prop->expr, e, choice_sym)
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| 385 | if (choice_sym->visible != no)
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| 386 | flags &= choice_sym->flags;
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| 387 | sym->flags &= flags | ~SYMBOL_DEF_USER;
|
| 388 | }
|
| 389 |
|
| 390 | for_all_symbols(i, sym) {
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| 391 | if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
|
| 392 | |
| 393 | * as new, if they should become visible, but that
|
| 394 | * doesn't quite work if the Kconfig and the saved
|
| 395 | * configuration disagree.
|
| 396 |
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| 397 | if (sym->visible == no && !conf_unsaved)
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| 398 | sym->flags &= ~SYMBOL_DEF_USER;
|
| 399 | switch (sym->type) {
|
| 400 | case S_STRING:
|
| 401 | case S_INT:
|
| 402 | case S_HEX:
|
| 403 |
|
| 404 | if (sym_string_within_range(sym, sym->def[S_DEF_USER].val))
|
| 405 | break;
|
| 406 | sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER);
|
| 407 | conf_unsaved++;
|
| 408 | break;
|
| 409 | default:
|
| 410 | break;
|
| 411 | }
|
| 412 | }
|
| 413 | }
|
| 414 |
|
| 415 | sym_add_change_count(conf_warnings || conf_unsaved);
|
| 416 |
|
| 417 | return 0;
|
| 418 | }
|
| 419 |
|
| 420 |
|
| 421 | static void conf_write_string(bool headerfile, const char *name,
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| 422 | const char *str, FILE *out)
|
| 423 | {
|
| 424 | int l;
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| 425 | if (headerfile)
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| 426 | fprintf(out, "#define %s%s \"", CONFIG_, name);
|
| 427 | else
|
| 428 | fprintf(out, "%s%s=\"", CONFIG_, name);
|
| 429 |
|
| 430 | while (1) {
|
| 431 | l = strcspn(str, "\"\\");
|
| 432 | if (l) {
|
| 433 | xfwrite(str, l, 1, out);
|
| 434 | str += l;
|
| 435 | }
|
| 436 | if (!*str)
|
| 437 | break;
|
| 438 | fprintf(out, "\\%c", *str++);
|
| 439 | }
|
| 440 | fputs("\"\n", out);
|
| 441 | }
|
| 442 |
|
| 443 | static void conf_write_symbol(struct symbol *sym, FILE *out, bool write_no)
|
| 444 | {
|
| 445 | const char *str;
|
| 446 |
|
| 447 | switch (sym->type) {
|
| 448 | case S_BOOLEAN:
|
| 449 | case S_TRISTATE:
|
| 450 | switch (sym_get_tristate_value(sym)) {
|
| 451 | case no:
|
| 452 | if (write_no)
|
| 453 | fprintf(out, "# %s%s is not set\n",
|
| 454 | CONFIG_, sym->name);
|
| 455 | break;
|
| 456 | case mod:
|
| 457 | fprintf(out, "%s%s=m\n", CONFIG_, sym->name);
|
| 458 | break;
|
| 459 | case yes:
|
| 460 | fprintf(out, "%s%s=y\n", CONFIG_, sym->name);
|
| 461 | break;
|
| 462 | }
|
| 463 | break;
|
| 464 | case S_STRING:
|
| 465 | conf_write_string(false, sym->name, sym_get_string_value(sym), out);
|
| 466 | break;
|
| 467 | case S_HEX:
|
| 468 | case S_INT:
|
| 469 | str = sym_get_string_value(sym);
|
| 470 | fprintf(out, "%s%s=%s\n", CONFIG_, sym->name, str);
|
| 471 | break;
|
| 472 | case S_OTHER:
|
| 473 | case S_UNKNOWN:
|
| 474 | break;
|
| 475 | }
|
| 476 | }
|
| 477 |
|
| 478 | |
| 479 | * Write out a minimal config.
|
| 480 | * All values that has default values are skipped as this is redundant.
|
| 481 |
|
| 482 | int conf_write_defconfig(const char *filename)
|
| 483 | {
|
| 484 | struct symbol *sym;
|
| 485 | struct menu *menu;
|
| 486 | FILE *out;
|
| 487 |
|
| 488 | out = fopen(filename, "w");
|
| 489 | if (!out)
|
| 490 | return 1;
|
| 491 |
|
| 492 | sym_clear_all_valid();
|
| 493 |
|
| 494 |
|
| 495 | menu = rootmenu.list;
|
| 496 |
|
| 497 | while (menu != NULL)
|
| 498 | {
|
| 499 | sym = menu->sym;
|
| 500 | if (sym == NULL) {
|
| 501 | if (!menu_is_visible(menu))
|
| 502 | goto next_menu;
|
| 503 | } else if (!sym_is_choice(sym)) {
|
| 504 | sym_calc_value(sym);
|
| 505 | if (!(sym->flags & SYMBOL_WRITE))
|
| 506 | goto next_menu;
|
| 507 | sym->flags &= ~SYMBOL_WRITE;
|
| 508 |
|
| 509 | if (!sym_is_changable(sym))
|
| 510 | goto next_menu;
|
| 511 |
|
| 512 | if (strcmp(sym_get_string_value(sym), sym_get_string_default(sym)) == 0)
|
| 513 | goto next_menu;
|
| 514 |
|
| 515 | |
| 516 | * If symbol is a choice value and equals to the
|
| 517 | * default for a choice - skip.
|
| 518 | * But only if value is bool and equal to "y" and
|
| 519 | * choice is not "optional".
|
| 520 | * (If choice is "optional" then all values can be "n")
|
| 521 |
|
| 522 | if (sym_is_choice_value(sym)) {
|
| 523 | struct symbol *cs;
|
| 524 | struct symbol *ds;
|
| 525 |
|
| 526 | cs = prop_get_symbol(sym_get_choice_prop(sym));
|
| 527 | ds = sym_choice_default(cs);
|
| 528 | if (!sym_is_optional(cs) && sym == ds) {
|
| 529 | if ((sym->type == S_BOOLEAN) &&
|
| 530 | sym_get_tristate_value(sym) == yes)
|
| 531 | goto next_menu;
|
| 532 | }
|
| 533 | }
|
| 534 | conf_write_symbol(sym, out, true);
|
| 535 | }
|
| 536 | next_menu:
|
| 537 | if (menu->list != NULL) {
|
| 538 | menu = menu->list;
|
| 539 | }
|
| 540 | else if (menu->next != NULL) {
|
| 541 | menu = menu->next;
|
| 542 | } else {
|
| 543 | while ((menu = menu->parent)) {
|
| 544 | if (menu->next != NULL) {
|
| 545 | menu = menu->next;
|
| 546 | break;
|
| 547 | }
|
| 548 | }
|
| 549 | }
|
| 550 | }
|
| 551 | fclose(out);
|
| 552 | return 0;
|
| 553 | }
|
| 554 |
|
| 555 | int conf_write(const char *name)
|
| 556 | {
|
| 557 | FILE *out;
|
| 558 | struct symbol *sym;
|
| 559 | struct menu *menu;
|
| 560 | const char *basename;
|
| 561 | const char *str;
|
| 562 | char dirname[PATH_MAX+1], tmpname[PATH_MAX+1], newname[PATH_MAX+1];
|
| 563 | time_t now;
|
| 564 | int use_timestamp = 1;
|
| 565 | char *env;
|
| 566 |
|
| 567 | dirname[0] = 0;
|
| 568 | if (name && name[0]) {
|
| 569 | struct stat st;
|
| 570 | char *slash;
|
| 571 |
|
| 572 | if (!stat(name, &st) && S_ISDIR(st.st_mode)) {
|
| 573 | strcpy(dirname, name);
|
| 574 | strcat(dirname, "/");
|
| 575 | basename = conf_get_configname();
|
| 576 | } else if ((slash = strrchr(name, '/'))) {
|
| 577 | int size = slash - name + 1;
|
| 578 | memcpy(dirname, name, size);
|
| 579 | dirname[size] = 0;
|
| 580 | if (slash[1])
|
| 581 | basename = slash + 1;
|
| 582 | else
|
| 583 | basename = conf_get_configname();
|
| 584 | } else
|
| 585 | basename = name;
|
| 586 | } else
|
| 587 | basename = conf_get_configname();
|
| 588 |
|
| 589 | sprintf(newname, "%s%s", dirname, basename);
|
| 590 | env = getenv("KCONFIG_OVERWRITECONFIG");
|
| 591 | if (!env || !*env) {
|
| 592 | sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid());
|
| 593 | out = fopen(tmpname, "w");
|
| 594 | } else {
|
| 595 | *tmpname = 0;
|
| 596 | out = fopen(newname, "w");
|
| 597 | }
|
| 598 | if (!out)
|
| 599 | return 1;
|
| 600 |
|
| 601 | time(&now);
|
| 602 | env = getenv("KCONFIG_NOTIMESTAMP");
|
| 603 | if (env && *env)
|
| 604 | use_timestamp = 0;
|
| 605 |
|
| 606 | fprintf(out, _("#\n"
|
| 607 | "# Automatically generated make config: don't edit\n"
|
| 608 | "# %s\n"
|
| 609 | "%s%s"
|
| 610 | "#\n"),
|
| 611 | rootmenu.prompt->text,
|
| 612 | use_timestamp ? "# " : "",
|
| 613 | use_timestamp ? ctime(&now) : "");
|
| 614 |
|
| 615 | if (!conf_get_changed())
|
| 616 | sym_clear_all_valid();
|
| 617 |
|
| 618 | menu = rootmenu.list;
|
| 619 | while (menu) {
|
| 620 | sym = menu->sym;
|
| 621 | if (!sym) {
|
| 622 | if (!menu_is_visible(menu))
|
| 623 | goto next;
|
| 624 | str = menu_get_prompt(menu);
|
| 625 | fprintf(out, "\n"
|
| 626 | "#\n"
|
| 627 | "# %s\n"
|
| 628 | "#\n", str);
|
| 629 | } else if (!(sym->flags & SYMBOL_CHOICE)) {
|
| 630 | sym_calc_value(sym);
|
| 631 | if (!(sym->flags & SYMBOL_WRITE))
|
| 632 | goto next;
|
| 633 | sym->flags &= ~SYMBOL_WRITE;
|
| 634 |
|
| 635 | conf_write_symbol(sym, out, true);
|
| 636 | }
|
| 637 |
|
| 638 | next:
|
| 639 | if (menu->list) {
|
| 640 | menu = menu->list;
|
| 641 | continue;
|
| 642 | }
|
| 643 | if (menu->next)
|
| 644 | menu = menu->next;
|
| 645 | else while ((menu = menu->parent)) {
|
| 646 | if (menu->next) {
|
| 647 | menu = menu->next;
|
| 648 | break;
|
| 649 | }
|
| 650 | }
|
| 651 | }
|
| 652 | fclose(out);
|
| 653 |
|
| 654 | if (*tmpname) {
|
| 655 | strcat(dirname, basename);
|
| 656 | strcat(dirname, ".old");
|
| 657 | rename(newname, dirname);
|
| 658 | if (rename(tmpname, newname))
|
| 659 | return 1;
|
| 660 | }
|
| 661 |
|
| 662 | conf_message(_("configuration written to %s"), newname);
|
| 663 |
|
| 664 | sym_set_change_count(0);
|
| 665 |
|
| 666 | return 0;
|
| 667 | }
|
| 668 |
|
| 669 | static int conf_split_config(void)
|
| 670 | {
|
| 671 | const char *name;
|
| 672 | char path[PATH_MAX+1];
|
| 673 | char *s, *d, c;
|
| 674 | struct symbol *sym;
|
| 675 | struct stat sb;
|
| 676 | int res, i, fd;
|
| 677 |
|
| 678 | name = conf_get_autoconfig_name();
|
| 679 | conf_read_simple(name, S_DEF_AUTO);
|
| 680 |
|
| 681 | if (chdir("include/config"))
|
| 682 | return 1;
|
| 683 |
|
| 684 | res = 0;
|
| 685 | for_all_symbols(i, sym) {
|
| 686 | sym_calc_value(sym);
|
| 687 | if ((sym->flags & SYMBOL_AUTO) || !sym->name)
|
| 688 | continue;
|
| 689 | if (sym->flags & SYMBOL_WRITE) {
|
| 690 | if (sym->flags & SYMBOL_DEF_AUTO) {
|
| 691 | |
| 692 | * symbol has old and new value,
|
| 693 | * so compare them...
|
| 694 |
|
| 695 | switch (sym->type) {
|
| 696 | case S_BOOLEAN:
|
| 697 | case S_TRISTATE:
|
| 698 | if (sym_get_tristate_value(sym) ==
|
| 699 | sym->def[S_DEF_AUTO].tri)
|
| 700 | continue;
|
| 701 | break;
|
| 702 | case S_STRING:
|
| 703 | case S_HEX:
|
| 704 | case S_INT:
|
| 705 | if (!strcmp(sym_get_string_value(sym),
|
| 706 | sym->def[S_DEF_AUTO].val))
|
| 707 | continue;
|
| 708 | break;
|
| 709 | default:
|
| 710 | break;
|
| 711 | }
|
| 712 | } else {
|
| 713 | |
| 714 | * If there is no old value, only 'no' (unset)
|
| 715 | * is allowed as new value.
|
| 716 |
|
| 717 | switch (sym->type) {
|
| 718 | case S_BOOLEAN:
|
| 719 | case S_TRISTATE:
|
| 720 | if (sym_get_tristate_value(sym) == no)
|
| 721 | continue;
|
| 722 | break;
|
| 723 | default:
|
| 724 | break;
|
| 725 | }
|
| 726 | }
|
| 727 | } else if (!(sym->flags & SYMBOL_DEF_AUTO))
|
| 728 |
|
| 729 | continue;
|
| 730 | |
| 731 | * There is an old value, but no new value ('no' (unset)
|
| 732 | * isn't saved in auto.conf, so the old value is always
|
| 733 | * different from 'no').
|
| 734 |
|
| 735 |
|
| 736 |
|
| 737 | s = sym->name;
|
| 738 | d = path;
|
| 739 | while ((c = *s++)) {
|
| 740 | c = tolower(c);
|
| 741 | *d++ = (c == '_') ? '/' : c;
|
| 742 | }
|
| 743 | strcpy(d, ".h");
|
| 744 |
|
| 745 |
|
| 746 | fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
|
| 747 | if (fd == -1) {
|
| 748 | if (errno != ENOENT) {
|
| 749 | res = 1;
|
| 750 | break;
|
| 751 | }
|
| 752 | |
| 753 | * Create directory components,
|
| 754 | * unless they exist already.
|
| 755 |
|
| 756 | d = path;
|
| 757 | while ((d = strchr(d, '/'))) {
|
| 758 | *d = 0;
|
| 759 | if (stat(path, &sb) && mkdir(path, 0755)) {
|
| 760 | res = 1;
|
| 761 | goto out;
|
| 762 | }
|
| 763 | *d++ = '/';
|
| 764 | }
|
| 765 |
|
| 766 | fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
|
| 767 | if (fd == -1) {
|
| 768 | res = 1;
|
| 769 | break;
|
| 770 | }
|
| 771 | }
|
| 772 | close(fd);
|
| 773 | }
|
| 774 | out:
|
| 775 | if (chdir("../.."))
|
| 776 | return 1;
|
| 777 |
|
| 778 | return res;
|
| 779 | }
|
| 780 |
|
| 781 | int conf_write_autoconf(void)
|
| 782 | {
|
| 783 | struct symbol *sym;
|
| 784 | const char *str;
|
| 785 | const char *name;
|
| 786 | FILE *out, *tristate, *out_h;
|
| 787 | time_t now;
|
| 788 | int i;
|
| 789 |
|
| 790 | sym_clear_all_valid();
|
| 791 |
|
| 792 | file_write_dep("include/config/auto.conf.cmd");
|
| 793 |
|
| 794 | if (conf_split_config())
|
| 795 | return 1;
|
| 796 |
|
| 797 | out = fopen(".tmpconfig", "w");
|
| 798 | if (!out)
|
| 799 | return 1;
|
| 800 |
|
| 801 | tristate = fopen(".tmpconfig_tristate", "w");
|
| 802 | if (!tristate) {
|
| 803 | fclose(out);
|
| 804 | return 1;
|
| 805 | }
|
| 806 |
|
| 807 | out_h = fopen(".tmpconfig.h", "w");
|
| 808 | if (!out_h) {
|
| 809 | fclose(out);
|
| 810 | fclose(tristate);
|
| 811 | return 1;
|
| 812 | }
|
| 813 |
|
| 814 | time(&now);
|
| 815 | fprintf(out, "#\n"
|
| 816 | "# Automatically generated make config: don't edit\n"
|
| 817 | "# %s\n"
|
| 818 | "# %s"
|
| 819 | "#\n",
|
| 820 | rootmenu.prompt->text, ctime(&now));
|
| 821 | fprintf(tristate, "#\n"
|
| 822 | "# Automatically generated - do not edit\n"
|
| 823 | "\n");
|
| 824 | fprintf(out_h, "/*\n"
|
| 825 | " * Automatically generated C config: don't edit\n"
|
| 826 | " * %s\n"
|
| 827 | " * %s"
|
| 828 | " */\n",
|
| 829 | rootmenu.prompt->text, ctime(&now));
|
| 830 |
|
| 831 | for_all_symbols(i, sym) {
|
| 832 | sym_calc_value(sym);
|
| 833 | if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
|
| 834 | continue;
|
| 835 |
|
| 836 |
|
| 837 | conf_write_symbol(sym, out, false);
|
| 838 |
|
| 839 |
|
| 840 | switch (sym->type) {
|
| 841 | case S_BOOLEAN:
|
| 842 | case S_TRISTATE:
|
| 843 | switch (sym_get_tristate_value(sym)) {
|
| 844 | case no:
|
| 845 | break;
|
| 846 | case mod:
|
| 847 | fprintf(tristate, "%s%s=M\n",
|
| 848 | CONFIG_, sym->name);
|
| 849 | fprintf(out_h, "#define %s%s_MODULE 1\n",
|
| 850 | CONFIG_, sym->name);
|
| 851 | break;
|
| 852 | case yes:
|
| 853 | if (sym->type == S_TRISTATE)
|
| 854 | fprintf(tristate,"%s%s=Y\n",
|
| 855 | CONFIG_, sym->name);
|
| 856 | fprintf(out_h, "#define %s%s 1\n",
|
| 857 | CONFIG_, sym->name);
|
| 858 | break;
|
| 859 | }
|
| 860 | break;
|
| 861 | case S_STRING:
|
| 862 | conf_write_string(true, sym->name, sym_get_string_value(sym), out_h);
|
| 863 | break;
|
| 864 | case S_HEX:
|
| 865 | str = sym_get_string_value(sym);
|
| 866 | if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
|
| 867 | fprintf(out_h, "#define %s%s 0x%s\n",
|
| 868 | CONFIG_, sym->name, str);
|
| 869 | break;
|
| 870 | }
|
| 871 | case S_INT:
|
| 872 | str = sym_get_string_value(sym);
|
| 873 | fprintf(out_h, "#define %s%s %s\n",
|
| 874 | CONFIG_, sym->name, str);
|
| 875 | break;
|
| 876 | default:
|
| 877 | break;
|
| 878 | }
|
| 879 | }
|
| 880 | fclose(out);
|
| 881 | fclose(tristate);
|
| 882 | fclose(out_h);
|
| 883 |
|
| 884 | name = getenv("KCONFIG_AUTOHEADER");
|
| 885 | if (!name)
|
| 886 | name = "include/generated/autoconf.h";
|
| 887 | if (rename(".tmpconfig.h", name))
|
| 888 | return 1;
|
| 889 | name = getenv("KCONFIG_TRISTATE");
|
| 890 | if (!name)
|
| 891 | name = "include/config/tristate.conf";
|
| 892 | if (rename(".tmpconfig_tristate", name))
|
| 893 | return 1;
|
| 894 | name = conf_get_autoconfig_name();
|
| 895 | |
| 896 | * This must be the last step, kbuild has a dependency on auto.conf
|
| 897 | * and this marks the successful completion of the previous steps.
|
| 898 |
|
| 899 | if (rename(".tmpconfig", name))
|
| 900 | return 1;
|
| 901 |
|
| 902 | return 0;
|
| 903 | }
|
| 904 |
|
| 905 | static int sym_change_count;
|
| 906 | static void (*conf_changed_callback)(void);
|
| 907 |
|
| 908 | void sym_set_change_count(int count)
|
| 909 | {
|
| 910 | int _sym_change_count = sym_change_count;
|
| 911 | sym_change_count = count;
|
| 912 | if (conf_changed_callback &&
|
| 913 | (bool)_sym_change_count != (bool)count)
|
| 914 | conf_changed_callback();
|
| 915 | }
|
| 916 |
|
| 917 | void sym_add_change_count(int count)
|
| 918 | {
|
| 919 | sym_set_change_count(count + sym_change_count);
|
| 920 | }
|
| 921 |
|
| 922 | bool conf_get_changed(void)
|
| 923 | {
|
| 924 | return sym_change_count;
|
| 925 | }
|
| 926 |
|
| 927 | void conf_set_changed_callback(void (*fn)(void))
|
| 928 | {
|
| 929 | conf_changed_callback = fn;
|
| 930 | }
|
| 931 |
|
| 932 | static void randomize_choice_values(struct symbol *csym)
|
| 933 | {
|
| 934 | struct property *prop;
|
| 935 | struct symbol *sym;
|
| 936 | struct expr *e;
|
| 937 | int cnt, def;
|
| 938 |
|
| 939 | |
| 940 | * If choice is mod then we may have more items selected
|
| 941 | * and if no then no-one.
|
| 942 | * In both cases stop.
|
| 943 |
|
| 944 | if (csym->curr.tri != yes)
|
| 945 | return;
|
| 946 |
|
| 947 | prop = sym_get_choice_prop(csym);
|
| 948 |
|
| 949 |
|
| 950 | cnt = 0;
|
| 951 | expr_list_for_each_sym(prop->expr, e, sym)
|
| 952 | cnt++;
|
| 953 |
|
| 954 | |
| 955 | * find a random value and set it to yes,
|
| 956 | * set the rest to no so we have only one set
|
| 957 |
|
| 958 | def = (rand() % cnt);
|
| 959 |
|
| 960 | cnt = 0;
|
| 961 | expr_list_for_each_sym(prop->expr, e, sym) {
|
| 962 | if (def == cnt++) {
|
| 963 | sym->def[S_DEF_USER].tri = yes;
|
| 964 | csym->def[S_DEF_USER].val = sym;
|
| 965 | }
|
| 966 | else {
|
| 967 | sym->def[S_DEF_USER].tri = no;
|
| 968 | }
|
| 969 | }
|
| 970 | csym->flags |= SYMBOL_DEF_USER;
|
| 971 |
|
| 972 | csym->flags &= ~(SYMBOL_VALID);
|
| 973 | }
|
| 974 |
|
| 975 | static void set_all_choice_values(struct symbol *csym)
|
| 976 | {
|
| 977 | struct property *prop;
|
| 978 | struct symbol *sym;
|
| 979 | struct expr *e;
|
| 980 |
|
| 981 | prop = sym_get_choice_prop(csym);
|
| 982 |
|
| 983 | |
| 984 | * Set all non-assinged choice values to no
|
| 985 |
|
| 986 | expr_list_for_each_sym(prop->expr, e, sym) {
|
| 987 | if (!sym_has_value(sym))
|
| 988 | sym->def[S_DEF_USER].tri = no;
|
| 989 | }
|
| 990 | csym->flags |= SYMBOL_DEF_USER;
|
| 991 |
|
| 992 | csym->flags &= ~(SYMBOL_VALID);
|
| 993 | }
|
| 994 |
|
| 995 | void conf_set_all_new_symbols(enum conf_def_mode mode)
|
| 996 | {
|
| 997 | struct symbol *sym, *csym;
|
| 998 | int i, cnt;
|
| 999 |
|
| 1000 | for_all_symbols(i, sym) {
|
| 1001 | if (sym_has_value(sym))
|
| 1002 | continue;
|
| 1003 | switch (sym_get_type(sym)) {
|
| 1004 | case S_BOOLEAN:
|
| 1005 | case S_TRISTATE:
|
| 1006 | switch (mode) {
|
| 1007 | case def_yes:
|
| 1008 | sym->def[S_DEF_USER].tri = yes;
|
| 1009 | break;
|
| 1010 | case def_mod:
|
| 1011 | sym->def[S_DEF_USER].tri = mod;
|
| 1012 | break;
|
| 1013 | case def_no:
|
| 1014 | sym->def[S_DEF_USER].tri = no;
|
| 1015 | break;
|
| 1016 | case def_random:
|
| 1017 | cnt = sym_get_type(sym) == S_TRISTATE ? 3 : 2;
|
| 1018 | sym->def[S_DEF_USER].tri = (tristate)(rand() % cnt);
|
| 1019 | break;
|
| 1020 | default:
|
| 1021 | continue;
|
| 1022 | }
|
| 1023 | if (!(sym_is_choice(sym) && mode == def_random))
|
| 1024 | sym->flags |= SYMBOL_DEF_USER;
|
| 1025 | break;
|
| 1026 | default:
|
| 1027 | break;
|
| 1028 | }
|
| 1029 |
|
| 1030 | }
|
| 1031 |
|
| 1032 | sym_clear_all_valid();
|
| 1033 |
|
| 1034 | |
| 1035 | * We have different type of choice blocks.
|
| 1036 | * If curr.tri equals to mod then we can select several
|
| 1037 | * choice symbols in one block.
|
| 1038 | * In this case we do nothing.
|
| 1039 | * If curr.tri equals yes then only one symbol can be
|
| 1040 | * selected in a choice block and we set it to yes,
|
| 1041 | * and the rest to no.
|
| 1042 |
|
| 1043 | for_all_symbols(i, csym) {
|
| 1044 | if (sym_has_value(csym) || !sym_is_choice(csym))
|
| 1045 | continue;
|
| 1046 |
|
| 1047 | sym_calc_value(csym);
|
| 1048 | if (mode == def_random)
|
| 1049 | randomize_choice_values(csym);
|
| 1050 | else
|
| 1051 | set_all_choice_values(csym);
|
| 1052 | }
|
| 1053 | }
|