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Diffstat (limited to 'util/kconfig/util.c')
-rw-r--r--util/kconfig/util.c52
1 files changed, 41 insertions, 11 deletions
diff --git a/util/kconfig/util.c b/util/kconfig/util.c
index a47d5e0fdc..960747c3fb 100644
--- a/util/kconfig/util.c
+++ b/util/kconfig/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"
@@ -12,15 +14,18 @@
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;
@@ -33,10 +38,14 @@ int file_write_dep(const char *name)
struct expr *e;
struct file *file;
FILE *out;
+ int i;
if (!name)
name = ".kconfig.d";
- out = fopen("..config.tmp", "w");
+ char *config_tmp_name = strdup("..config.tmp.XXXXXX");
+ if ((i = mkstemp(config_tmp_name)) == -1)
+ return 1;
+ out = fdopen(i, "w");
if (!out)
return 1;
fprintf(out, "deps_config := \\\n");
@@ -46,8 +55,8 @@ int file_write_dep(const char *name)
else
fprintf(out, "\t%s\n", file->name);
}
- fprintf(out, "\nbuild/auto.conf: \\\n"
- "\t$(deps_config)\n\n");
+ fprintf(out, "\n%s: \\\n"
+ "\t$(deps_config)\n\n", conf_get_autoconfig_name());
expr_list_for_each_sym(sym_env_list, e, sym) {
struct property *prop;
@@ -61,23 +70,24 @@ int file_write_dep(const char *name)
if (!value)
value = "";
fprintf(out, "ifneq \"$(%s)\" \"%s\"\n", env_sym->name, value);
- fprintf(out, "build/auto.conf: FORCE\n");
+ fprintf(out, "%s: FORCE\n", conf_get_autoconfig_name());
fprintf(out, "endif\n");
}
fprintf(out, "\n$(deps_config): ;\n");
fclose(out);
- rename("..config.tmp", name);
+ rename(config_tmp_name, name);
return 0;
}
-/* Allocate initial growable sting */
+/* 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;
}
@@ -88,6 +98,7 @@ 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;
}
@@ -131,3 +142,22 @@ 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);
+}
+
+