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authorFelix Fietkau <nbd@openwrt.org>2013-04-18 12:05:16 +0000
committerFelix Fietkau <nbd@openwrt.org>2013-04-18 12:05:16 +0000
commit9d5510a500a1804484152adb8951dda3688658bc (patch)
tree6e4d8725c2956742201d0e14126f7e457b453c66 /scripts/config/util.c
parent97e7fdf6fdb8a91da52f622b499181171262af19 (diff)
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build: add new menuconfig code based on linux 3.9
SVN-Revision: 36361
Diffstat (limited to 'scripts/config/util.c')
-rw-r--r--scripts/config/util.c97
1 files changed, 86 insertions, 11 deletions
diff --git a/scripts/config/util.c b/scripts/config/util.c
index d4e934b34a..6e7fbf1968 100644
--- a/scripts/config/util.c
+++ b/scripts/config/util.c
@@ -5,6 +5,8 @@
* Released under the terms of the GNU GPL v2.0.
*/
+#include <stdarg.h>
+#include <stdlib.h>
#include <string.h>
#include "lkc.h"
@@ -12,26 +14,76 @@
struct file *file_lookup(const char *name)
{
struct file *file;
+ const char *file_name = sym_expand_string_value(name);
for (file = file_list; file; file = file->next) {
- if (!strcmp(name, file->name))
+ if (!strcmp(name, file->name)) {
+ free((void *)file_name);
return file;
+ }
}
- file = malloc(sizeof(*file));
+ file = xmalloc(sizeof(*file));
memset(file, 0, sizeof(*file));
- file->name = strdup(name);
+ file->name = file_name;
file->next = file_list;
file_list = file;
return file;
}
-/* Allocate initial growable sting */
+/* write a dependency file as used by kbuild to track dependencies */
+int file_write_dep(const char *name)
+{
+ struct symbol *sym, *env_sym;
+ struct expr *e;
+ struct file *file;
+ FILE *out;
+
+ if (!name)
+ name = ".kconfig.d";
+ out = fopen("..config.tmp", "w");
+ if (!out)
+ return 1;
+ fprintf(out, "deps_config := \\\n");
+ for (file = file_list; file; file = file->next) {
+ if (file->next)
+ fprintf(out, "\t%s \\\n", file->name);
+ else
+ fprintf(out, "\t%s\n", file->name);
+ }
+ fprintf(out, "\n%s: \\\n"
+ "\t$(deps_config)\n\n", conf_get_autoconfig_name());
+
+ expr_list_for_each_sym(sym_env_list, e, sym) {
+ struct property *prop;
+ const char *value;
+
+ prop = sym_get_env_prop(sym);
+ env_sym = prop_get_symbol(prop);
+ if (!env_sym)
+ continue;
+ value = getenv(env_sym->name);
+ if (!value)
+ value = "";
+ fprintf(out, "ifneq \"$(%s)\" \"%s\"\n", env_sym->name, value);
+ fprintf(out, "%s: FORCE\n", conf_get_autoconfig_name());
+ fprintf(out, "endif\n");
+ }
+
+ fprintf(out, "\n$(deps_config): ;\n");
+ fclose(out);
+ rename("..config.tmp", name);
+ return 0;
+}
+
+
+/* Allocate initial growable string */
struct gstr str_new(void)
{
struct gstr gs;
- gs.s = malloc(sizeof(char) * 64);
- gs.len = 16;
+ gs.s = xmalloc(sizeof(char) * 64);
+ gs.len = 64;
+ gs.max_width = 0;
strcpy(gs.s, "\0");
return gs;
}
@@ -42,6 +94,7 @@ struct gstr str_assign(const char *s)
struct gstr gs;
gs.s = strdup(s);
gs.len = strlen(s) + 1;
+ gs.max_width = 0;
return gs;
}
@@ -57,12 +110,15 @@ void str_free(struct gstr *gs)
/* Append to growable string */
void str_append(struct gstr *gs, const char *s)
{
- size_t l = strlen(gs->s) + strlen(s) + 1;
- if (l > gs->len) {
- gs->s = realloc(gs->s, l);
- gs->len = l;
+ size_t l;
+ if (s) {
+ l = strlen(gs->s) + strlen(s) + 1;
+ if (l > gs->len) {
+ gs->s = realloc(gs->s, l);
+ gs->len = l;
+ }
+ strcat(gs->s, s);
}
- strcat(gs->s, s);
}
/* Append printf formatted string to growable string */
@@ -82,3 +138,22 @@ const char *str_get(struct gstr *gs)
return gs->s;
}
+void *xmalloc(size_t size)
+{
+ void *p = malloc(size);
+ if (p)
+ return p;
+ fprintf(stderr, "Out of memory.\n");
+ exit(1);
+}
+
+void *xcalloc(size_t nmemb, size_t size)
+{
+ void *p = calloc(nmemb, size);
+ if (p)
+ return p;
+ fprintf(stderr, "Out of memory.\n");
+ exit(1);
+}
+
+