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Diffstat (limited to 'util/kconfig/util.c')
-rw-r--r--util/kconfig/util.c100
1 files changed, 34 insertions, 66 deletions
diff --git a/util/kconfig/util.c b/util/kconfig/util.c
index 1eb2b37c18..29585394df 100644
--- a/util/kconfig/util.c
+++ b/util/kconfig/util.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2002-2005 Roman Zippel <zippel@linux-m68k.org>
* Copyright (C) 2002-2005 Sam Ravnborg <sam@ravnborg.org>
- *
- * Released under the terms of the GNU GPL v2.0.
*/
#include <stdarg.h>
@@ -14,73 +13,21 @@
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)) {
- free((void *)file_name);
return file;
}
}
file = xmalloc(sizeof(*file));
memset(file, 0, sizeof(*file));
- file->name = file_name;
+ file->name = xstrdup(name);
file->next = file_list;
file_list = file;
return file;
}
-/* 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;
- int i;
-
- if (!name)
- name = ".kconfig.d";
- 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");
- 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, name);
- return 0;
-}
-
-
/* Allocate initial growable string */
struct gstr str_new(void)
{
@@ -92,16 +39,6 @@ struct gstr str_new(void)
return gs;
}
-/* Allocate and assign growable string */
-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;
-}
-
/* Free storage for growable string */
void str_free(struct gstr *gs)
{
@@ -118,7 +55,7 @@ void str_append(struct gstr *gs, const char *s)
if (s) {
l = strlen(gs->s) + strlen(s) + 1;
if (l > gs->len) {
- gs->s = realloc(gs->s, l);
+ gs->s = xrealloc(gs->s, l);
gs->len = l;
}
strcat(gs->s, s);
@@ -159,3 +96,34 @@ void *xcalloc(size_t nmemb, size_t size)
fprintf(stderr, "Out of memory.\n");
exit(1);
}
+
+void *xrealloc(void *p, size_t size)
+{
+ p = realloc(p, size);
+ if (p)
+ return p;
+ fprintf(stderr, "Out of memory.\n");
+ exit(1);
+}
+
+char *xstrdup(const char *s)
+{
+ char *p;
+
+ p = strdup(s);
+ if (p)
+ return p;
+ fprintf(stderr, "Out of memory.\n");
+ exit(1);
+}
+
+char *xstrndup(const char *s, size_t n)
+{
+ char *p;
+
+ p = strndup(s, n);
+ if (p)
+ return p;
+ fprintf(stderr, "Out of memory.\n");
+ exit(1);
+}