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-rw-r--r--scripts/config/confdata.c245
1 files changed, 154 insertions, 91 deletions
diff --git a/scripts/config/confdata.c b/scripts/config/confdata.c
index 0d24ac52f..c6a2864dc 100644
--- a/scripts/config/confdata.c
+++ b/scripts/config/confdata.c
@@ -1,11 +1,9 @@
1/* 1/*
2 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> 2 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
3 * Released under the terms of the GNU GPL v2.0. 3 * Released under the terms of the GNU GPL v2.0.
4 *
5 * Allow 'n' as a symbol value.
6 * 2002-11-05 Petr Baudis <pasky@ucw.cz>
7 */ 4 */
8 5
6#include <sys/stat.h>
9#include <ctype.h> 7#include <ctype.h>
10#include <stdio.h> 8#include <stdio.h>
11#include <stdlib.h> 9#include <stdlib.h>
@@ -38,7 +36,7 @@ static char *conf_expand_value(const char *in)
38 strncat(res_value, in, src - in); 36 strncat(res_value, in, src - in);
39 src++; 37 src++;
40 dst = name; 38 dst = name;
41 while (isalnum((int)*src) || *src == '_') 39 while (isalnum(*src) || *src == '_')
42 *dst++ = *src++; 40 *dst++ = *src++;
43 *dst = 0; 41 *dst = 0;
44 sym = sym_lookup(name, 0); 42 sym = sym_lookup(name, 0);
@@ -53,7 +51,18 @@ static char *conf_expand_value(const char *in)
53 51
54char *conf_get_default_confname(void) 52char *conf_get_default_confname(void)
55{ 53{
56 return conf_expand_value(conf_defname); 54 struct stat buf;
55 static char fullname[4096+1];
56 char *env, *name;
57
58 name = conf_expand_value(conf_defname);
59 env = getenv(SRCTREE);
60 if (env) {
61 sprintf(fullname, "%s/%s", env, name);
62 if (!stat(fullname, &buf))
63 return fullname;
64 }
65 return name;
57} 66}
58 67
59int conf_read(const char *name) 68int conf_read(const char *name)
@@ -68,12 +77,12 @@ int conf_read(const char *name)
68 int i; 77 int i;
69 78
70 if (name) { 79 if (name) {
71 in = fopen(name, "r"); 80 in = zconf_fopen(name);
72 } else { 81 } else {
73 const char **names = conf_confnames; 82 const char **names = conf_confnames;
74 while ((name = *names++)) { 83 while ((name = *names++)) {
75 name = conf_expand_value(name); 84 name = conf_expand_value(name);
76 in = fopen(name, "r"); 85 in = zconf_fopen(name);
77 if (in) { 86 if (in) {
78 printf("#\n" 87 printf("#\n"
79 "# using defaults found in %s\n" 88 "# using defaults found in %s\n"
@@ -93,44 +102,43 @@ int conf_read(const char *name)
93 case S_INT: 102 case S_INT:
94 case S_HEX: 103 case S_HEX:
95 case S_STRING: 104 case S_STRING:
96 if (S_VAL(sym->def)) 105 if (sym->user.val)
97 free(S_VAL(sym->def)); 106 free(sym->user.val);
98 default: 107 default:
99 S_VAL(sym->def) = NULL; 108 sym->user.val = NULL;
100 S_TRI(sym->def) = no; 109 sym->user.tri = no;
101 ;
102 } 110 }
103 } 111 }
104 112
105 while (fgets(line, sizeof(line), in)) { 113 while (fgets(line, sizeof(line), in)) {
106 lineno++; 114 lineno++;
115 sym = NULL;
107 switch (line[0]) { 116 switch (line[0]) {
108 case '\n':
109 break;
110 case ' ':
111 break;
112 case '#': 117 case '#':
113 p = strchr(line, ' '); 118 if (line[1]!=' ')
114 if (!p)
115 continue; 119 continue;
116 *p++ = 0; 120 p = strchr(line + 2, ' ');
117 p = strchr(p, ' ');
118 if (!p) 121 if (!p)
119 continue; 122 continue;
120 *p++ = 0; 123 *p++ = 0;
121 if (strncmp(p, "is not set", 10)) 124 if (strncmp(p, "is not set", 10))
122 continue; 125 continue;
123 sym = sym_lookup(line+2, 0); 126 sym = sym_find(line + 2);
127 if (!sym) {
128 fprintf(stderr, "%s:%d: trying to assign nonexistent symbol %s\n", name, lineno, line + 2);
129 break;
130 }
124 switch (sym->type) { 131 switch (sym->type) {
125 case S_BOOLEAN: 132 case S_BOOLEAN:
126 case S_TRISTATE: 133 case S_TRISTATE:
127 sym->def = symbol_no.curr; 134 sym->user.tri = no;
128 sym->flags &= ~SYMBOL_NEW; 135 sym->flags &= ~SYMBOL_NEW;
129 break; 136 break;
130 default: 137 default:
131 ; 138 ;
132 } 139 }
133 break; 140 break;
141
134 case 'A' ... 'Z': 142 case 'A' ... 'Z':
135 p = strchr(line, '='); 143 p = strchr(line, '=');
136 if (!p) 144 if (!p)
@@ -145,24 +153,24 @@ int conf_read(const char *name)
145 break; 153 break;
146 } 154 }
147 switch (sym->type) { 155 switch (sym->type) {
148 case S_TRISTATE: 156 case S_TRISTATE:
149 if (p[0] == 'm') { 157 if (p[0] == 'm') {
150 S_TRI(sym->def) = mod; 158 sym->user.tri = mod;
151 sym->flags &= ~SYMBOL_NEW; 159 sym->flags &= ~SYMBOL_NEW;
152 break; 160 break;
153 } 161 }
154 case S_BOOLEAN: 162 case S_BOOLEAN:
155 if (p[0] == 'y') { 163 if (p[0] == 'y') {
156 S_TRI(sym->def) = yes; 164 sym->user.tri = yes;
157 sym->flags &= ~SYMBOL_NEW; 165 sym->flags &= ~SYMBOL_NEW;
158 break; 166 break;
159 } 167 }
160 if (p[0] == 'n') { 168 if (p[0] == 'n') {
161 S_TRI(sym->def) = no; 169 sym->user.tri = no;
162 sym->flags &= ~SYMBOL_NEW; 170 sym->flags &= ~SYMBOL_NEW;
163 break; 171 break;
164 } 172 }
165 break; 173 break;
166 case S_STRING: 174 case S_STRING:
167 if (*p++ != '"') 175 if (*p++ != '"')
168 break; 176 break;
@@ -173,48 +181,71 @@ int conf_read(const char *name)
173 } 181 }
174 memmove(p2, p2 + 1, strlen(p2)); 182 memmove(p2, p2 + 1, strlen(p2));
175 } 183 }
184 if (!p2) {
185 fprintf(stderr, "%s:%d: invalid string found\n", name, lineno);
186 exit(1);
187 }
176 case S_INT: 188 case S_INT:
177 case S_HEX: 189 case S_HEX:
178 if (sym_string_valid(sym, p)) { 190 if (sym_string_valid(sym, p)) {
179 S_VAL(sym->def) = strdup(p); 191 sym->user.val = strdup(p);
180 sym->flags &= ~SYMBOL_NEW; 192 sym->flags &= ~SYMBOL_NEW;
181 } else 193 } else {
182 fprintf(stderr, "%s:%d:symbol value '%s' invalid for %s\n", name, lineno, p, sym->name); 194 fprintf(stderr, "%s:%d: symbol value '%s' invalid for %s\n", name, lineno, p, sym->name);
195 exit(1);
196 }
183 break; 197 break;
184 default: 198 default:
185 ; 199 ;
186 } 200 }
187 if (sym_is_choice_value(sym)) { 201 break;
188 prop = sym_get_choice_prop(sym); 202 case '\n':
189 switch (S_TRI(sym->def)) {
190 case mod:
191 if (S_TRI(prop->def->def) == yes)
192 /* warn? */;
193 break;
194 case yes:
195 if (S_TRI(prop->def->def) != no)
196 /* warn? */;
197 S_VAL(prop->def->def) = sym;
198 break;
199 case no:
200 break;
201 }
202 S_TRI(prop->def->def) = S_TRI(sym->def);
203 }
204 break; 203 break;
205 default: 204 default:
206 continue; 205 continue;
207 } 206 }
207 if (sym && sym_is_choice_value(sym)) {
208 struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
209 switch (sym->user.tri) {
210 case no:
211 break;
212 case mod:
213 if (cs->user.tri == yes)
214 /* warn? */;
215 break;
216 case yes:
217 if (cs->user.tri != no)
218 /* warn? */;
219 cs->user.val = sym;
220 break;
221 }
222 cs->user.tri = E_OR(cs->user.tri, sym->user.tri);
223 cs->flags &= ~SYMBOL_NEW;
224 }
208 } 225 }
209 fclose(in); 226 fclose(in);
210 227
211 for_all_symbols(i, sym) { 228 for_all_symbols(i, sym) {
229 sym_calc_value(sym);
230 if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
231 if (sym->visible == no)
232 sym->flags |= SYMBOL_NEW;
233 switch (sym->type) {
234 case S_STRING:
235 case S_INT:
236 case S_HEX:
237 if (!sym_string_within_range(sym, sym->user.val))
238 sym->flags |= SYMBOL_NEW;
239 default:
240 break;
241 }
242 }
212 if (!sym_is_choice(sym)) 243 if (!sym_is_choice(sym))
213 continue; 244 continue;
214 prop = sym_get_choice_prop(sym); 245 prop = sym_get_choice_prop(sym);
215 for (e = prop->dep; e; e = e->left.expr) 246 for (e = prop->expr; e; e = e->left.expr)
216 sym->flags |= e->right.sym->flags & SYMBOL_NEW; 247 if (e->right.sym->visible != no)
217 sym->flags &= ~SYMBOL_NEW; 248 sym->flags |= e->right.sym->flags & SYMBOL_NEW;
218 } 249 }
219 250
220 sym_change_count = 1; 251 sym_change_count = 1;
@@ -227,29 +258,50 @@ int conf_write(const char *name)
227 FILE *out, *out_h; 258 FILE *out, *out_h;
228 struct symbol *sym; 259 struct symbol *sym;
229 struct menu *menu; 260 struct menu *menu;
230 char oldname[128]; 261 const char *basename;
262 char dirname[128], tmpname[128], newname[128];
231 int type, l; 263 int type, l;
232 const char *str; 264 const char *str;
233 265
234 out = fopen(".tmpconfig", "w"); 266 dirname[0] = 0;
267 if (name && name[0]) {
268 char *slash = strrchr(name, '/');
269 if (slash) {
270 int size = slash - name + 1;
271 memcpy(dirname, name, size);
272 dirname[size] = 0;
273 if (slash[1])
274 basename = slash + 1;
275 else
276 basename = conf_def_filename;
277 } else
278 basename = name;
279 } else
280 basename = conf_def_filename;
281
282 sprintf(newname, "%s.tmpconfig.%d", dirname, getpid());
283 out = fopen(newname, "w");
235 if (!out) 284 if (!out)
236 return 1; 285 return 1;
237 out_h = fopen(".tmpconfig.h", "w"); 286 out_h = NULL;
238 if (!out_h) 287 if (!name) {
239 return 1; 288 out_h = fopen(".tmpconfig.h", "w");
289 if (!out_h)
290 return 1;
291 }
240 fprintf(out, "#\n" 292 fprintf(out, "#\n"
241 "# Automatically generated make config: don't edit\n" 293 "# Automatically generated make config: don't edit\n"
242 "#\n"); 294 "#\n");
243 fprintf(out_h, "/*\n" 295 if (out_h)
244 " * Automatically generated header file: don't edit\n" 296 fprintf(out_h, "/*\n"
245 " */\n\n" 297 " * Automatically generated header file: don't edit\n"
246 "#define AUTOCONF_INCLUDED\n\n" 298 " */\n\n"
247 "/* Version Number */\n" 299 "#define AUTOCONF_INCLUDED\n\n"
248 "#define BB_VER \"%s\"\n" 300 "/* Version Number */\n"
249 "#define BB_BT \"%s\"\n\n", 301 "#define BB_VER \"%s\"\n"
250 getenv("VERSION"), 302 "#define BB_BT \"%s\"\n\n",
251 getenv("BUILDTIME") 303 getenv("VERSION"),
252 ); 304 getenv("BUILDTIME"));
253 305
254 if (!sym_change_count) 306 if (!sym_change_count)
255 sym_clear_all_valid(); 307 sym_clear_all_valid();
@@ -265,10 +317,11 @@ int conf_write(const char *name)
265 "#\n" 317 "#\n"
266 "# %s\n" 318 "# %s\n"
267 "#\n", str); 319 "#\n", str);
268 fprintf(out_h, "\n" 320 if (out_h)
269 "/*\n" 321 fprintf(out_h, "\n"
270 " * %s\n" 322 "/*\n"
271 " */\n", str); 323 " * %s\n"
324 " */\n", str);
272 } else if (!(sym->flags & SYMBOL_CHOICE)) { 325 } else if (!(sym->flags & SYMBOL_CHOICE)) {
273 sym_calc_value(sym); 326 sym_calc_value(sym);
274 if (!(sym->flags & SYMBOL_WRITE)) 327 if (!(sym->flags & SYMBOL_WRITE))
@@ -277,7 +330,7 @@ int conf_write(const char *name)
277 type = sym->type; 330 type = sym->type;
278 if (type == S_TRISTATE) { 331 if (type == S_TRISTATE) {
279 sym_calc_value(modules_sym); 332 sym_calc_value(modules_sym);
280 if (S_TRI(modules_sym->curr) == no) 333 if (modules_sym->curr.tri == no)
281 type = S_BOOLEAN; 334 type = S_BOOLEAN;
282 } 335 }
283 switch (type) { 336 switch (type) {
@@ -286,17 +339,20 @@ int conf_write(const char *name)
286 switch (sym_get_tristate_value(sym)) { 339 switch (sym_get_tristate_value(sym)) {
287 case no: 340 case no:
288 fprintf(out, "# %s is not set\n", sym->name); 341 fprintf(out, "# %s is not set\n", sym->name);
289 fprintf(out_h, "#undef %s\n", sym->name); 342 if (out_h)
343 fprintf(out_h, "#undef %s\n", sym->name);
290 break; 344 break;
291 case mod:
292#if 0 345#if 0
346 case mod:
293 fprintf(out, "%s=m\n", sym->name); 347 fprintf(out, "%s=m\n", sym->name);
294 fprintf(out_h, "#define __%s__MODULE 1\n", sym->name); 348 if (out_h)
295#endif 349 fprintf(out_h, "#define %s_MODULE 1\n", sym->name);
296 break; 350 break;
351#endif
297 case yes: 352 case yes:
298 fprintf(out, "%s=y\n", sym->name); 353 fprintf(out, "%s=y\n", sym->name);
299 fprintf(out_h, "#define %s 1\n", sym->name); 354 if (out_h)
355 fprintf(out_h, "#define %s 1\n", sym->name);
300 break; 356 break;
301 } 357 }
302 break; 358 break;
@@ -304,34 +360,40 @@ int conf_write(const char *name)
304 // fix me 360 // fix me
305 str = sym_get_string_value(sym); 361 str = sym_get_string_value(sym);
306 fprintf(out, "%s=\"", sym->name); 362 fprintf(out, "%s=\"", sym->name);
307 fprintf(out_h, "#define %s \"", sym->name); 363 if (out_h)
364 fprintf(out_h, "#define %s \"", sym->name);
308 do { 365 do {
309 l = strcspn(str, "\"\\"); 366 l = strcspn(str, "\"\\");
310 if (l) { 367 if (l) {
311 fwrite(str, l, 1, out); 368 fwrite(str, l, 1, out);
312 fwrite(str, l, 1, out_h); 369 if (out_h)
370 fwrite(str, l, 1, out_h);
313 } 371 }
314 str += l; 372 str += l;
315 while (*str == '\\' || *str == '"') { 373 while (*str == '\\' || *str == '"') {
316 fprintf(out, "\\%c", *str); 374 fprintf(out, "\\%c", *str);
317 fprintf(out_h, "\\%c", *str); 375 if (out_h)
376 fprintf(out_h, "\\%c", *str);
318 str++; 377 str++;
319 } 378 }
320 } while (*str); 379 } while (*str);
321 fputs("\"\n", out); 380 fputs("\"\n", out);
322 fputs("\"\n", out_h); 381 if (out_h)
382 fputs("\"\n", out_h);
323 break; 383 break;
324 case S_HEX: 384 case S_HEX:
325 str = sym_get_string_value(sym); 385 str = sym_get_string_value(sym);
326 if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) { 386 if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
327 fprintf(out, "%s=%s\n", sym->name, str); 387 fprintf(out, "%s=%s\n", sym->name, str);
328 fprintf(out_h, "#define %s 0x%s\n", sym->name, str); 388 if (out_h)
389 fprintf(out_h, "#define %s 0x%s\n", sym->name, str);
329 break; 390 break;
330 } 391 }
331 case S_INT: 392 case S_INT:
332 str = sym_get_string_value(sym); 393 str = sym_get_string_value(sym);
333 fprintf(out, "%s=%s\n", sym->name, str); 394 fprintf(out, "%s=%s\n", sym->name, str);
334 fprintf(out_h, "#define %s %s\n", sym->name, str); 395 if (out_h)
396 fprintf(out_h, "#define %s %s\n", sym->name, str);
335 break; 397 break;
336 } 398 }
337 } 399 }
@@ -351,18 +413,19 @@ int conf_write(const char *name)
351 } 413 }
352 } 414 }
353 fclose(out); 415 fclose(out);
354 fclose(out_h); 416 if (out_h) {
355 417 fclose(out_h);
356 if (!name) {
357 rename(".tmpconfig.h", "include/config.h"); 418 rename(".tmpconfig.h", "include/config.h");
358 name = conf_def_filename;
359 file_write_dep(NULL); 419 file_write_dep(NULL);
360 } else 420 }
361 unlink(".tmpconfig.h"); 421 if (!name || basename != conf_def_filename) {
362 422 if (!name)
363 sprintf(oldname, "%s.old", name); 423 name = conf_def_filename;
364 rename(name, oldname); 424 sprintf(tmpname, "%s.old", name);
365 if (rename(".tmpconfig", name)) 425 rename(name, tmpname);
426 }
427 sprintf(tmpname, "%s%s", dirname, basename);
428 if (rename(newname, tmpname))
366 return 1; 429 return 1;
367 430
368 sym_change_count = 0; 431 sym_change_count = 0;
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-08-14 16:35:42 +0000