/* * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> * Released under the terms of the GNU GPL v2.0. */ #include <sys/stat.h>#include <ctype.h>#include <errno.h>#include <fcntl.h>#include <stdarg.h>#include <stdio.h>#include <stdlib.h>#include <string.h>#include <time.h>#include <unistd.h> #include "lkc.h" struct conf_printer { void (*print_symbol)(FILE *, struct symbol *, const char *, void *); void (*print_comment)(FILE *, const char *, void *);}; static void conf_warning(const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); static void conf_message(const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); static const char *conf_filename;static int conf_lineno, conf_warnings, conf_unsaved; const char conf_defname[] = "arch/$ARCH/defconfig"; static void conf_warning(const char *fmt, ...){ va_list ap; va_start(ap, fmt); fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno); vfprintf(stderr, fmt, ap); fprintf(stderr, "\n"); va_end(ap); conf_warnings++;} static void conf_default_message_callback(const char *fmt, va_list ap){ printf("#\n# "); vprintf(fmt, ap); printf("\n#\n");} static void (*conf_message_callback) (const char *fmt, va_list ap) = conf_default_message_callback;void conf_set_message_callback(void (*fn) (const char *fmt, va_list ap)){ conf_message_callback = fn;} static void conf_message(const char *fmt, ...){ va_list ap; va_start(ap, fmt); if (conf_message_callback) conf_message_callback(fmt, ap); va_end(ap);} const char *conf_get_configname(void){ char *name = getenv("KCONFIG_CONFIG"); return name ? name : ".config";} const char *conf_get_autoconfig_name(void){ char *name = getenv("KCONFIG_AUTOCONFIG"); return name ? name : "include/config/auto.conf";} static char *conf_expand_value(const char *in){ struct symbol *sym; const char *src; static char res_value[SYMBOL_MAXLENGTH]; char *dst, name[SYMBOL_MAXLENGTH]; res_value[0] = 0; dst = name; while ((src = strchr(in, '$'))) { strncat(res_value, in, src - in); src++; dst = name; while (isalnum(*src) || *src == '_') *dst++ = *src++; *dst = 0; sym = sym_lookup(name, 0); sym_calc_value(sym); strcat(res_value, sym_get_string_value(sym)); in = src; } strcat(res_value, in); return res_value;} char *conf_get_default_confname(void){ struct stat buf; static char fullname[PATH_MAX+1]; char *env, *name; name = conf_expand_value(conf_defname); env = getenv(SRCTREE); if (env) { sprintf(fullname, "%s/%s", env, name); if (!stat(fullname, &buf)) return fullname; } return name;} static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p){ char *p2; switch (sym->type) { case S_TRISTATE: if (p[0] == 'm') { sym->def[def].tri = mod; sym->flags |= def_flags; break; } /* fall through */ case S_BOOLEAN: if (p[0] == 'y') { sym->def[def].tri = yes; sym->flags |= def_flags; break; } if (p[0] == 'n') { sym->def[def].tri = no; sym->flags |= def_flags; break; } if (def != S_DEF_AUTO) conf_warning("symbol value '%s' invalid for %s", p, sym->name); return 1; case S_OTHER: if (*p != '"') { for (p2 = p; *p2 && !isspace(*p2); p2++) ; sym->type = S_STRING; goto done; } /* fall through */ case S_STRING: if (*p++ != '"') break; for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) { if (*p2 == '"') { *p2 = 0; break; } memmove(p2, p2 + 1, strlen(p2)); } if (!p2) { if (def != S_DEF_AUTO) conf_warning("invalid string found"); return 1; } /* fall through */ case S_INT: case S_HEX: done: if (sym_string_valid(sym, p)) { sym->def[def].val = strdup(p); sym->flags |= def_flags; } else { if (def != S_DEF_AUTO) conf_warning("symbol value '%s' invalid for %s", p, sym->name); return 1; } break; default: ; } return 0;} #define LINE_GROWTH 16static int add_byte(int c, char **lineptr, size_t slen, size_t *n){ char *nline; size_t new_size = slen + 1; if (new_size > *n) { new_size += LINE_GROWTH - 1; new_size *= 2; nline = realloc(*lineptr, new_size); if (!nline) return -1; *lineptr = nline; *n = new_size; } (*lineptr)[slen] = c; return 0;} static ssize_t compat_getline(char **lineptr, size_t *n, FILE *stream){ char *line = *lineptr; size_t slen = 0; for (;;) { int c = getc(stream); switch (c) { case '\n': if (add_byte(c, &line, slen, n) < 0) goto e_out; slen++; /* fall through */ case EOF: if (add_byte('\0', &line, slen, n) < 0) goto e_out; *lineptr = line; if (slen == 0) return -1; return slen; default: if (add_byte(c, &line, slen, n) < 0) goto e_out; slen++; } } e_out: line[slen-1] = '\0'; *lineptr = line; return -1;} int conf_read_simple(const char *name, int def){ FILE *in = NULL; char *line = NULL; size_t line_asize = 0; char *p, *p2; struct symbol *sym; int i, def_flags; if (name) { in = zconf_fopen(name); } else { struct property *prop; name = conf_get_configname(); in = zconf_fopen(name); if (in) goto load; sym_add_change_count(1); if (!sym_defconfig_list) { sym_calc_value(modules_sym); return 1; } for_all_defaults(sym_defconfig_list, prop) { if (expr_calc_value(prop->visible.expr) == no || prop->expr->type != E_SYMBOL) continue; name = conf_expand_value(prop->expr->left.sym->name); in = zconf_fopen(name); if (in) { conf_message(_("using defaults found in %s"), name); goto load; } } } if (!in) return 1; load: conf_filename = name; conf_lineno = 0; conf_warnings = 0; conf_unsaved = 0; def_flags = SYMBOL_DEF << def; for_all_symbols(i, sym) { sym->flags |= SYMBOL_CHANGED; sym->flags &= ~(def_flags|SYMBOL_VALID); if (sym_is_choice(sym)) sym->flags |= def_flags; switch (sym->type) { case S_INT: case S_HEX: case S_STRING: if (sym->def[def].val) free(sym->def[def].val); /* fall through */ default: sym->def[def].val = NULL; sym->def[def].tri = no; } } while (compat_getline(&line, &line_asize, in) != -1) { conf_lineno++; sym = NULL; if (line[0] == '#') { if (memcmp(line + 2, CONFIG_, strlen(CONFIG_))) continue; p = strchr(line + 2 + strlen(CONFIG_), ' '); if (!p) continue; *p++ = 0; if (strncmp(p, "is not set", 10)) continue; if (def == S_DEF_USER) { sym = sym_find(line + 2 + strlen(CONFIG_)); if (!sym) { sym_add_change_count(1); goto setsym; } } else { sym = sym_lookup(line + 2 + strlen(CONFIG_), 0); if (sym->type == S_UNKNOWN) sym->type = S_BOOLEAN; } if (sym->flags & def_flags) { conf_warning("override: reassigning to symbol %s", sym->name); } switch (sym->type) { case S_BOOLEAN: case S_TRISTATE: sym->def[def].tri = no; sym->flags |= def_flags; break; default: ; } } else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) { p = strchr(line + strlen(CONFIG_), '='); if (!p) continue; *p++ = 0; p2 = strchr(p, '\n'); if (p2) { *p2-- = 0; if (*p2 == '\r') *p2 = 0; } if (def == S_DEF_USER) { sym = sym_find(line + strlen(CONFIG_)); if (!sym) { sym_add_change_count(1); goto setsym; } } else { sym = sym_lookup(line + strlen(CONFIG_), 0); if (sym->type == S_UNKNOWN) sym->type = S_OTHER; } if (sym->flags & def_flags) { conf_warning("override: reassigning to symbol %s", sym->name); } if (conf_set_sym_val(sym, def, def_flags, p)) continue; } else { if (line[0] != '\r' && line[0] != '\n') conf_warning("unexpected data"); continue; }setsym: if (sym && sym_is_choice_value(sym)) { struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym)); switch (sym->def[def].tri) { case no: break; case mod: if (cs->def[def].tri == yes) { conf_warning("%s creates inconsistent choice state", sym->name); cs->flags &= ~def_flags; } break; case yes: if (cs->def[def].tri != no) conf_warning("override: %s changes choice state", sym->name); cs->def[def].val = sym; break; } cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri); } } free(line); fclose(in); sym_calc_value(modules_sym); return 0;} int conf_read(const char *name){ struct symbol *sym; int i; sym_set_change_count(0); if (conf_read_simple(name, S_DEF_USER)) return 1; for_all_symbols(i, sym) { sym_calc_value(sym); if (sym_is_choice(sym) || (sym->flags & SYMBOL_AUTO)) continue; if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) { /* check that calculated value agrees with saved value */ switch (sym->type) { case S_BOOLEAN: case S_TRISTATE: if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym)) break; if (!sym_is_choice(sym)) continue; /* fall through */ default: if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val)) continue; break; } } else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE)) /* no previous value and not saved */ continue; conf_unsaved++; /* maybe print value in verbose mode... */ } for_all_symbols(i, sym) { if (sym_has_value(sym) && !sym_is_choice_value(sym)) { /* Reset values of generates values, so they'll appear * as new, if they should become visible, but that * doesn't quite work if the Kconfig and the saved * configuration disagree. */ if (sym->visible == no && !conf_unsaved) sym->flags &= ~SYMBOL_DEF_USER; switch (sym->type) { case S_STRING: case S_INT: case S_HEX: /* Reset a string value if it's out of range */ if (sym_string_within_range(sym, sym->def[S_DEF_USER].val)) break; sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER); conf_unsaved++; break; default: break; } } } sym_add_change_count(conf_warnings || conf_unsaved); return 0;} /* * Kconfig configuration printer * * This printer is used when generating the resulting configuration after * kconfig invocation and `defconfig' files. Unset symbol might be omitted by * passing a non-NULL argument to the printer. * */static voidkconfig_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg){ switch (sym->type) { case S_BOOLEAN: case S_TRISTATE: if (*value == 'n') { bool skip_unset = (arg != NULL); if (!skip_unset) fprintf(fp, "# %s%s is not set\n", CONFIG_, sym->name); return; } break; default:Lines 1–500 of 1245. Load more
/* * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> * Released under the terms of the GNU GPL v2.0. */ #include <sys/stat.h> #include <ctype.h> #include <errno.h> #include <fcntl.h> #include <stdarg.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <time.h> #include <unistd.h> #include "lkc.h" struct conf_printer { void (*print_symbol)(FILE *, struct symbol *, const char *, void *); void (*print_comment)(FILE *, const char *, void *); }; static void conf_warning(const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); static void conf_message(const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); static const char *conf_filename; static int conf_lineno, conf_warnings, conf_unsaved; const char conf_defname[] = "arch/$ARCH/defconfig"; static void conf_warning(const char *fmt, ...) { va_list ap; va_start(ap, fmt); fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno); vfprintf(stderr, fmt, ap); fprintf(stderr, "\n"); va_end(ap); conf_warnings++; } static void conf_default_message_callback(const char *fmt, va_list ap) { printf("#\n# "); vprintf(fmt, ap); printf("\n#\n"); } static void (*conf_message_callback) (const char *fmt, va_list ap) = conf_default_message_callback; void conf_set_message_callback(void (*fn) (const char *fmt, va_list ap)) { conf_message_callback = fn; } static void conf_message(const char *fmt, ...) { va_list ap; va_start(ap, fmt); if (conf_message_callback) conf_message_callback(fmt, ap); va_end(ap); } const char *conf_get_configname(void) { char *name = getenv("KCONFIG_CONFIG"); return name ? name : ".config"; } const char *conf_get_autoconfig_name(void) { char *name = getenv("KCONFIG_AUTOCONFIG"); return name ? name : "include/config/auto.conf"; } static char *conf_expand_value(const char *in) { struct symbol *sym; const char *src; static char res_value[SYMBOL_MAXLENGTH]; char *dst, name[SYMBOL_MAXLENGTH]; res_value[0] = 0; dst = name; while ((src = strchr(in, '$'))) { strncat(res_value, in, src - in); src++; dst = name; while (isalnum(*src) || *src == '_') *dst++ = *src++; *dst = 0; sym = sym_lookup(name, 0); sym_calc_value(sym); strcat(res_value, sym_get_string_value(sym)); in = src; } strcat(res_value, in); return res_value; } char *conf_get_default_confname(void) { struct stat buf; static char fullname[PATH_MAX+1]; char *env, *name; name = conf_expand_value(conf_defname); env = getenv(SRCTREE); if (env) { sprintf(fullname, "%s/%s", env, name); if (!stat(fullname, &buf)) return fullname; } return name; } static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p) { char *p2; switch (sym->type) { case S_TRISTATE: if (p[0] == 'm') { sym->def[def].tri = mod; sym->flags |= def_flags; break; } /* fall through */ case S_BOOLEAN: if (p[0] == 'y') { sym->def[def].tri = yes; sym->flags |= def_flags; break; } if (p[0] == 'n') { sym->def[def].tri = no; sym->flags |= def_flags; break; } if (def != S_DEF_AUTO) conf_warning("symbol value '%s' invalid for %s", p, sym->name); return 1; case S_OTHER: if (*p != '"') { for (p2 = p; *p2 && !isspace(*p2); p2++) ; sym->type = S_STRING; goto done; } /* fall through */ case S_STRING: if (*p++ != '"') break; for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) { if (*p2 == '"') { *p2 = 0; break; } memmove(p2, p2 + 1, strlen(p2)); } if (!p2) { if (def != S_DEF_AUTO) conf_warning("invalid string found"); return 1; } /* fall through */ case S_INT: case S_HEX: done: if (sym_string_valid(sym, p)) { sym->def[def].val = strdup(p); sym->flags |= def_flags; } else { if (def != S_DEF_AUTO) conf_warning("symbol value '%s' invalid for %s", p, sym->name); return 1; } break; default: ; } return 0; } #define LINE_GROWTH 16 static int add_byte(int c, char **lineptr, size_t slen, size_t *n) { char *nline; size_t new_size = slen + 1; if (new_size > *n) { new_size += LINE_GROWTH - 1; new_size *= 2; nline = realloc(*lineptr, new_size); if (!nline) return -1; *lineptr = nline; *n = new_size; } (*lineptr)[slen] = c; return 0; } static ssize_t compat_getline(char **lineptr, size_t *n, FILE *stream) { char *line = *lineptr; size_t slen = 0; for (;;) { int c = getc(stream); switch (c) { case '\n': if (add_byte(c, &line, slen, n) < 0) goto e_out; slen++; /* fall through */ case EOF: if (add_byte('\0', &line, slen, n) < 0) goto e_out; *lineptr = line; if (slen == 0) return -1; return slen; default: if (add_byte(c, &line, slen, n) < 0) goto e_out; slen++; } } e_out: line[slen-1] = '\0'; *lineptr = line; return -1; } int conf_read_simple(const char *name, int def) { FILE *in = NULL; char *line = NULL; size_t line_asize = 0; char *p, *p2; struct symbol *sym; int i, def_flags; if (name) { in = zconf_fopen(name); } else { struct property *prop; name = conf_get_configname(); in = zconf_fopen(name); if (in) goto load; sym_add_change_count(1); if (!sym_defconfig_list) { sym_calc_value(modules_sym); return 1; } for_all_defaults(sym_defconfig_list, prop) { if (expr_calc_value(prop->visible.expr) == no || prop->expr->type != E_SYMBOL) continue; name = conf_expand_value(prop->expr->left.sym->name); in = zconf_fopen(name); if (in) { conf_message(_("using defaults found in %s"), name); goto load; } } } if (!in) return 1; load: conf_filename = name; conf_lineno = 0; conf_warnings = 0; conf_unsaved = 0; def_flags = SYMBOL_DEF << def; for_all_symbols(i, sym) { sym->flags |= SYMBOL_CHANGED; sym->flags &= ~(def_flags|SYMBOL_VALID); if (sym_is_choice(sym)) sym->flags |= def_flags; switch (sym->type) { case S_INT: case S_HEX: case S_STRING: if (sym->def[def].val) free(sym->def[def].val); /* fall through */ default: sym->def[def].val = NULL; sym->def[def].tri = no; } } while (compat_getline(&line, &line_asize, in) != -1) { conf_lineno++; sym = NULL; if (line[0] == '#') { if (memcmp(line + 2, CONFIG_, strlen(CONFIG_))) continue; p = strchr(line + 2 + strlen(CONFIG_), ' '); if (!p) continue; *p++ = 0; if (strncmp(p, "is not set", 10)) continue; if (def == S_DEF_USER) { sym = sym_find(line + 2 + strlen(CONFIG_)); if (!sym) { sym_add_change_count(1); goto setsym; } } else { sym = sym_lookup(line + 2 + strlen(CONFIG_), 0); if (sym->type == S_UNKNOWN) sym->type = S_BOOLEAN; } if (sym->flags & def_flags) { conf_warning("override: reassigning to symbol %s", sym->name); } switch (sym->type) { case S_BOOLEAN: case S_TRISTATE: sym->def[def].tri = no; sym->flags |= def_flags; break; default: ; } } else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) { p = strchr(line + strlen(CONFIG_), '='); if (!p) continue; *p++ = 0; p2 = strchr(p, '\n'); if (p2) { *p2-- = 0; if (*p2 == '\r') *p2 = 0; } if (def == S_DEF_USER) { sym = sym_find(line + strlen(CONFIG_)); if (!sym) { sym_add_change_count(1); goto setsym; } } else { sym = sym_lookup(line + strlen(CONFIG_), 0); if (sym->type == S_UNKNOWN) sym->type = S_OTHER; } if (sym->flags & def_flags) { conf_warning("override: reassigning to symbol %s", sym->name); } if (conf_set_sym_val(sym, def, def_flags, p)) continue; } else { if (line[0] != '\r' && line[0] != '\n') conf_warning("unexpected data"); continue; } setsym: if (sym && sym_is_choice_value(sym)) { struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym)); switch (sym->def[def].tri) { case no: break; case mod: if (cs->def[def].tri == yes) { conf_warning("%s creates inconsistent choice state", sym->name); cs->flags &= ~def_flags; } break; case yes: if (cs->def[def].tri != no) conf_warning("override: %s changes choice state", sym->name); cs->def[def].val = sym; break; } cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri); } } free(line); fclose(in); sym_calc_value(modules_sym); return 0; } int conf_read(const char *name) { struct symbol *sym; int i; sym_set_change_count(0); if (conf_read_simple(name, S_DEF_USER)) return 1; for_all_symbols(i, sym) { sym_calc_value(sym); if (sym_is_choice(sym) || (sym->flags & SYMBOL_AUTO)) continue; if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) { /* check that calculated value agrees with saved value */ switch (sym->type) { case S_BOOLEAN: case S_TRISTATE: if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym)) break; if (!sym_is_choice(sym)) continue; /* fall through */ default: if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val)) continue; break; } } else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE)) /* no previous value and not saved */ continue; conf_unsaved++; /* maybe print value in verbose mode... */ } for_all_symbols(i, sym) { if (sym_has_value(sym) && !sym_is_choice_value(sym)) { /* Reset values of generates values, so they'll appear * as new, if they should become visible, but that * doesn't quite work if the Kconfig and the saved * configuration disagree. */ if (sym->visible == no && !conf_unsaved) sym->flags &= ~SYMBOL_DEF_USER; switch (sym->type) { case S_STRING: case S_INT: case S_HEX: /* Reset a string value if it's out of range */ if (sym_string_within_range(sym, sym->def[S_DEF_USER].val)) break; sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER); conf_unsaved++; break; default: break; } } } sym_add_change_count(conf_warnings || conf_unsaved); return 0; } /* * Kconfig configuration printer * * This printer is used when generating the resulting configuration after * kconfig invocation and `defconfig' files. Unset symbol might be omitted by * passing a non-NULL argument to the printer. * */ static void kconfig_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg) { switch (sym->type) { case S_BOOLEAN: case S_TRISTATE: if (*value == 'n') { bool skip_unset = (arg != NULL); if (!skip_unset) fprintf(fp, "# %s%s is not set\n", CONFIG_, sym->name); return; } break; default: