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authorMasahiro Yamada <yamada.masahiro@socionext.com>2018-02-16 19:38:31 +0100
committerMasahiro Yamada <yamada.masahiro@socionext.com>2018-03-01 16:26:47 +0100
commitcd81fc82b93fa408c30e08f59e5ef8caaa91d1d2 (patch)
tree5c6024076d70c2a392fb3207d6ba737ef7e5843b /scripts/kconfig
parentkbuild: disable sparse warnings about unknown attributes (diff)
downloadlinux-cd81fc82b93fa408c30e08f59e5ef8caaa91d1d2.tar.xz
linux-cd81fc82b93fa408c30e08f59e5ef8caaa91d1d2.zip
kconfig: add xstrdup() helper
We already have xmalloc(), xcalloc(), and xrealloc((). Add xstrdup() as well to save tedious error handling. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'scripts/kconfig')
-rw-r--r--scripts/kconfig/confdata.c2
-rw-r--r--scripts/kconfig/kxgettext.c2
-rw-r--r--scripts/kconfig/lkc.h1
-rw-r--r--scripts/kconfig/symbol.c4
-rw-r--r--scripts/kconfig/util.c11
-rw-r--r--scripts/kconfig/zconf.y2
6 files changed, 17 insertions, 5 deletions
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 5c12dc91ef34..df26c7b0fe13 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -178,7 +178,7 @@ static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
case S_HEX:
done:
if (sym_string_valid(sym, p)) {
- sym->def[def].val = strdup(p);
+ sym->def[def].val = xstrdup(p);
sym->flags |= def_flags;
} else {
if (def != S_DEF_AUTO)
diff --git a/scripts/kconfig/kxgettext.c b/scripts/kconfig/kxgettext.c
index 2858738b22d5..240880a89111 100644
--- a/scripts/kconfig/kxgettext.c
+++ b/scripts/kconfig/kxgettext.c
@@ -101,7 +101,7 @@ static struct message *message__new(const char *msg, char *option,
if (self->files == NULL)
goto out_fail;
- self->msg = strdup(msg);
+ self->msg = xstrdup(msg);
if (self->msg == NULL)
goto out_fail_msg;
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 4e23febbe4b2..2d5ec2d0e952 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -115,6 +115,7 @@ int file_write_dep(const char *name);
void *xmalloc(size_t size);
void *xcalloc(size_t nmemb, size_t size);
void *xrealloc(void *p, size_t size);
+char *xstrdup(const char *s);
struct gstr {
size_t len;
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index cca9663be5dd..2220bc4b051b 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -183,7 +183,7 @@ static void sym_validate_range(struct symbol *sym)
sprintf(str, "%lld", val2);
else
sprintf(str, "0x%llx", val2);
- sym->curr.val = strdup(str);
+ sym->curr.val = xstrdup(str);
}
static void sym_set_changed(struct symbol *sym)
@@ -849,7 +849,7 @@ struct symbol *sym_lookup(const char *name, int flags)
: !(symbol->flags & (SYMBOL_CONST|SYMBOL_CHOICE))))
return symbol;
}
- new_name = strdup(name);
+ new_name = xstrdup(name);
} else {
new_name = NULL;
hash = 0;
diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c
index b98a79e30e04..c6f6e21b809f 100644
--- a/scripts/kconfig/util.c
+++ b/scripts/kconfig/util.c
@@ -154,3 +154,14 @@ void *xrealloc(void *p, size_t size)
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);
+}
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index 4be98050b961..f5cb55f03ce5 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -127,7 +127,7 @@ no_mainmenu_stmt: /* empty */
* later regardless of whether it comes from the 'prompt' in
* mainmenu_stmt or here
*/
- menu_add_prompt(P_MENU, strdup("Linux Kernel Configuration"), NULL);
+ menu_add_prompt(P_MENU, xstrdup("Linux Kernel Configuration"), NULL);
};