summaryrefslogtreecommitdiff
path: root/extra/config/confdata.c
diff options
context:
space:
mode:
Diffstat (limited to 'extra/config/confdata.c')
-rw-r--r--extra/config/confdata.c255
1 files changed, 159 insertions, 96 deletions
diff --git a/extra/config/confdata.c b/extra/config/confdata.c
index cb8a0e75d..694477fb6 100644
--- a/extra/config/confdata.c
+++ b/extra/config/confdata.c
@@ -1,11 +1,9 @@
/*
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
* Released under the terms of the GNU GPL v2.0.
- *
- * Allow 'n' as a symbol value.
- * 2002-11-05 Petr Baudis <pasky@ucw.cz>
*/
+#include <sys/stat.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
@@ -38,7 +36,7 @@ static char *conf_expand_value(const char *in)
strncat(res_value, in, src - in);
src++;
dst = name;
- while (isalnum((int)*src) || *src == '_')
+ while (isalnum(*src) || *src == '_')
*dst++ = *src++;
*dst = 0;
sym = sym_lookup(name, 0);
@@ -53,7 +51,18 @@ static char *conf_expand_value(const char *in)
char *conf_get_default_confname(void)
{
- return conf_expand_value(conf_defname);
+ struct stat buf;
+ static char fullname[4096+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;
}
int conf_read(const char *name)
@@ -68,12 +77,12 @@ int conf_read(const char *name)
int i;
if (name) {
- in = fopen(name, "r");
+ in = zconf_fopen(name);
} else {
const char **names = conf_confnames;
while ((name = *names++)) {
name = conf_expand_value(name);
- in = fopen(name, "r");
+ in = zconf_fopen(name);
if (in) {
printf("#\n"
"# using defaults found in %s\n"
@@ -93,44 +102,43 @@ int conf_read(const char *name)
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)) {
lineno++;
+ sym = NULL;
switch (line[0]) {
- case '\n':
- break;
- case ' ':
- break;
case '#':
- p = strchr(line, ' ');
- if (!p)
+ if (line[1]!=' ')
continue;
- *p++ = 0;
- p = strchr(p, ' ');
+ p = strchr(line + 2, ' ');
if (!p)
continue;
*p++ = 0;
if (strncmp(p, "is not set", 10))
continue;
- sym = sym_lookup(line+2, 0);
+ sym = sym_find(line + 2);
+ if (!sym) {
+ fprintf(stderr, "%s:%d: trying to assign nonexistent symbol %s\n", name, lineno, line + 2);
+ break;
+ }
switch (sym->type) {
case S_BOOLEAN:
case S_TRISTATE:
- sym->def = symbol_no.curr;
+ sym->user.tri = no;
sym->flags &= ~SYMBOL_NEW;
break;
default:
;
}
break;
+
case 'A' ... 'Z':
p = strchr(line, '=');
if (!p)
@@ -145,24 +153,24 @@ int conf_read(const char *name)
break;
}
switch (sym->type) {
- case S_TRISTATE:
+ 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;
+ break;
case S_STRING:
if (*p++ != '"')
break;
@@ -173,48 +181,71 @@ int conf_read(const char *name)
}
memmove(p2, p2 + 1, strlen(p2));
}
+ if (!p2) {
+ fprintf(stderr, "%s:%d: invalid string found\n", name, lineno);
+ exit(1);
+ }
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);
+ } else {
+ fprintf(stderr, "%s:%d: symbol value '%s' invalid for %s\n", name, lineno, p, sym->name);
+ exit(1);
+ }
break;
default:
;
}
- if (sym_is_choice_value(sym)) {
- prop = sym_get_choice_prop(sym);
- switch (S_TRI(sym->def)) {
- case mod:
- if (S_TRI(prop->def->def) == yes)
- /* warn? */;
- break;
- case yes:
- if (S_TRI(prop->def->def) != no)
- /* warn? */;
- S_VAL(prop->def->def) = sym;
- break;
- case no:
- break;
- }
- S_TRI(prop->def->def) = S_TRI(sym->def);
- }
+ break;
+ case '\n':
break;
default:
continue;
}
+ if (sym && sym_is_choice_value(sym)) {
+ struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
+ switch (sym->user.tri) {
+ case no:
+ break;
+ case mod:
+ if (cs->user.tri == yes)
+ /* warn? */;
+ break;
+ case yes:
+ if (cs->user.tri != no)
+ /* warn? */;
+ cs->user.val = sym;
+ break;
+ }
+ cs->user.tri = E_OR(cs->user.tri, sym->user.tri);
+ cs->flags &= ~SYMBOL_NEW;
+ }
}
fclose(in);
for_all_symbols(i, sym) {
+ sym_calc_value(sym);
+ if (sym_has_value(sym) && !sym_is_choice_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);
- for (e = prop->dep; e; e = e->left.expr)
- sym->flags |= e->right.sym->flags & SYMBOL_NEW;
- 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;
@@ -227,36 +258,57 @@ 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"
- "#if !defined __FEATURES_H && !defined __need_uClibc_config_h\n"
- "#error Never include <bits/uClibc_config.h> directly; use <features.h> instead.\n"
- "#endif\n"
- "#define AUTOCONF_INCLUDED\n\n"
- "/*\n"
- " * Version Number\n"
- " */\n"
- "#define __UCLIBC_MAJOR__ %s\n"
- "#define __UCLIBC_MINOR__ %s\n"
- "#define __UCLIBC_SUBLEVEL__ %s\n",
- getenv("MAJOR_VERSION"),
- getenv("MINOR_VERSION"),
- getenv("SUBLEVEL")
- );
+ if (out_h)
+ fprintf(out_h, "/*\n"
+ " * Automatically generated C config: don't edit\n"
+ " */\n"
+ "#if !defined __FEATURES_H && !defined __need_uClibc_config_h\n"
+ "#error Never include <bits/uClibc_config.h> directly; use <features.h> instead\n"
+ "#endif\n"
+ "#define AUTOCONF_INCLUDED\n\n"
+ "/*\n"
+ " * Version Number\n"
+ " */\n"
+ "#define __UCLIBC_MAJOR__ %s\n"
+ "#define __UCLIBC_MINOR__ %s\n"
+ "#define __UCLIBC_SUBLEVEL__ %s\n",
+ getenv("MAJOR_VERSION"),
+ getenv("MINOR_VERSION"),
+ getenv("SUBLEVEL"));
if (!sym_change_count)
sym_clear_all_valid();
@@ -272,10 +324,11 @@ int conf_write(const char *name)
"#\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))
@@ -284,7 +337,7 @@ int conf_write(const char *name)
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) {
@@ -293,15 +346,18 @@ int conf_write(const char *name)
switch (sym_get_tristate_value(sym)) {
case no:
fprintf(out, "# %s is not set\n", sym->name);
- fprintf(out_h, "#undef __%s__\n", sym->name);
+ if (out_h)
+ fprintf(out_h, "#undef %s\n", sym->name);
break;
case mod:
fprintf(out, "%s=m\n", sym->name);
- fprintf(out_h, "#define __%s__MODULE 1\n", sym->name);
+ if (out_h)
+ fprintf(out_h, "#define %s_MODULE 1\n", sym->name);
break;
case yes:
fprintf(out, "%s=y\n", sym->name);
- fprintf(out_h, "#define __%s__ 1\n", sym->name);
+ if (out_h)
+ fprintf(out_h, "#define __%s__ 1\n", sym->name);
break;
}
break;
@@ -309,34 +365,40 @@ int conf_write(const char *name)
// fix me
str = sym_get_string_value(sym);
fprintf(out, "%s=\"", sym->name);
- fprintf(out_h, "#define __%s__ \"", sym->name);
+ if (out_h)
+ fprintf(out_h, "#define __%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, "%s=%s\n", sym->name, str);
- fprintf(out_h, "#define __%s__ 0x%s\n", sym->name, str);
+ if (out_h)
+ fprintf(out_h, "#define __%s__ 0x%s\n", sym->name, str);
break;
}
case S_INT:
str = sym_get_string_value(sym);
fprintf(out, "%s=%s\n", sym->name, str);
- fprintf(out_h, "#define __%s__ %s\n", sym->name, str);
+ if (out_h)
+ fprintf(out_h, "#define __%s__ %s\n", sym->name, str);
break;
}
}
@@ -356,18 +418,19 @@ int conf_write(const char *name)
}
}
fclose(out);
- fclose(out_h);
-
- if (!name) {
+ if (out_h) {
+ fclose(out_h);
rename(".tmpconfig.h", "include/bits/uClibc_config.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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 20:24:49 +0000