summaryrefslogtreecommitdiff
path: root/scripts/kconfig/confdata.c
Side-by-side diff
Diffstat (limited to 'scripts/kconfig/confdata.c') (more/less context) (ignore whitespace changes)
-rw-r--r--scripts/kconfig/confdata.c74
1 files changed, 46 insertions, 28 deletions
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 0f5fd97..9bf7af9 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -4,6 +4,6 @@
*/
+#include <sys/stat.h>
#include <ctype.h>
-#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
@@ -15,5 +15,4 @@
const char conf_def_filename[] = ".config";
-char conf_filename[PATH_MAX+1];
const char conf_defname[] = "arch/$ARCH/defconfig";
@@ -56,5 +55,16 @@ 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[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;
}
@@ -62,5 +72,5 @@ int conf_read(const char *name)
{
FILE *in = NULL;
- char line[128];
+ char line[1024];
char *p, *p2;
int lineno = 0;
@@ -71,12 +81,10 @@ int conf_read(const char *name)
if (name) {
- in = fopen(name, "r");
- if (in)
- strcpy(conf_filename, name);
+ 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"
@@ -92,19 +100,19 @@ int conf_read(const char *name)
for_all_symbols(i, sym) {
- sym->flags |= SYMBOL_NEW;
+ sym->flags |= SYMBOL_NEW | SYMBOL_CHANGED;
+ sym->flags &= ~SYMBOL_VALID;
switch (sym->type) {
case S_INT:
case S_HEX:
case S_STRING:
- if (S_VAL(sym->def)) {
+ if (S_VAL(sym->def))
free(S_VAL(sym->def));
- S_VAL(sym->def) = NULL;
- }
default:
- ;
+ S_VAL(sym->def) = NULL;
+ S_TRI(sym->def) = no;
}
}
- while (fgets(line, 128, in)) {
+ while (fgets(line, sizeof(line), in)) {
lineno++;
switch (line[0]) {
@@ -118,5 +126,4 @@ int conf_read(const char *name)
if (strncmp(p, "is not set", 10))
continue;
- //printf("%s -> n\n", line + 9);
sym = sym_lookup(line + 9, 0);
switch (sym->type) {
@@ -140,5 +147,4 @@ int conf_read(const char *name)
if (p2)
*p2 = 0;
- //printf("%s -> %s\n", line + 7, p);
sym = sym_find(line + 7);
if (!sym) {
@@ -147,14 +153,21 @@ int conf_read(const char *name)
}
switch (sym->type) {
- case S_BOOLEAN:
- sym->def = symbol_yes.curr;
- sym->flags &= ~SYMBOL_NEW;
- break;
case S_TRISTATE:
- if (p[0] == 'm')
- sym->def = symbol_mod.curr;
- else
- sym->def = symbol_yes.curr;
- sym->flags &= ~SYMBOL_NEW;
+ if (p[0] == 'm') {
+ S_TRI(sym->def) = mod;
+ sym->flags &= ~SYMBOL_NEW;
+ break;
+ }
+ case S_BOOLEAN:
+ if (p[0] == 'y') {
+ S_TRI(sym->def) = yes;
+ sym->flags &= ~SYMBOL_NEW;
+ break;
+ }
+ if (p[0] == 'n') {
+ S_TRI(sym->def) = no;
+ sym->flags &= ~SYMBOL_NEW;
+ break;
+ }
break;
case S_STRING:
@@ -168,4 +181,8 @@ 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:
@@ -173,6 +190,8 @@ int conf_read(const char *name)
S_VAL(sym->def) = 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:
@@ -353,5 +372,4 @@ int conf_write(const char *name)
if (rename(".tmpconfig", name))
return 1;
- strcpy(conf_filename, name);
sym_change_count = 0;