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>
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@ -178,7 +178,7 @@ static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
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case S_HEX:
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done:
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if (sym_string_valid(sym, p)) {
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sym->def[def].val = strdup(p);
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sym->def[def].val = xstrdup(p);
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sym->flags |= def_flags;
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} else {
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if (def != S_DEF_AUTO)
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@ -101,7 +101,7 @@ static struct message *message__new(const char *msg, char *option,
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if (self->files == NULL)
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goto out_fail;
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self->msg = strdup(msg);
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self->msg = xstrdup(msg);
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if (self->msg == NULL)
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goto out_fail_msg;
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@ -115,6 +115,7 @@ int file_write_dep(const char *name);
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void *xmalloc(size_t size);
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void *xcalloc(size_t nmemb, size_t size);
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void *xrealloc(void *p, size_t size);
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char *xstrdup(const char *s);
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struct gstr {
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size_t len;
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@ -183,7 +183,7 @@ static void sym_validate_range(struct symbol *sym)
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sprintf(str, "%lld", val2);
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else
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sprintf(str, "0x%llx", val2);
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sym->curr.val = strdup(str);
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sym->curr.val = xstrdup(str);
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}
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static void sym_set_changed(struct symbol *sym)
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@ -849,7 +849,7 @@ struct symbol *sym_lookup(const char *name, int flags)
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: !(symbol->flags & (SYMBOL_CONST|SYMBOL_CHOICE))))
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return symbol;
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}
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new_name = strdup(name);
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new_name = xstrdup(name);
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} else {
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new_name = NULL;
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hash = 0;
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@ -154,3 +154,14 @@ void *xrealloc(void *p, size_t size)
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fprintf(stderr, "Out of memory.\n");
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exit(1);
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}
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char *xstrdup(const char *s)
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{
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char *p;
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p = strdup(s);
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if (p)
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return p;
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fprintf(stderr, "Out of memory.\n");
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exit(1);
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}
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@ -127,7 +127,7 @@ no_mainmenu_stmt: /* empty */
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* later regardless of whether it comes from the 'prompt' in
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* mainmenu_stmt or here
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*/
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menu_add_prompt(P_MENU, strdup("Linux Kernel Configuration"), NULL);
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menu_add_prompt(P_MENU, xstrdup("Linux Kernel Configuration"), NULL);
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};
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