fix(coverity): use xstrndup() instead of vim_strsave() (#18363)

This commit is contained in:
zeertzjq 2022-05-03 09:29:55 +08:00 committed by GitHub
parent cf474021ed
commit 13520aae16
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5 changed files with 17 additions and 9 deletions

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@ -460,7 +460,7 @@ Integer nvim_create_autocmd(uint64_t channel_id, Object event, Dict(create_autoc
cb.data.luaref = api_new_luaref(callback->data.luaref);
} else if (callback->type == kObjectTypeString) {
cb.type = kCallbackFuncref;
cb.data.funcref = vim_strsave((char_u *)callback->data.string.data);
cb.data.funcref = (char_u *)string_to_cstr(callback->data.string);
} else {
api_set_error(err,
kErrorTypeException,
@ -474,7 +474,7 @@ Integer nvim_create_autocmd(uint64_t channel_id, Object event, Dict(create_autoc
Object *command = &opts->command;
if (command->type == kObjectTypeString) {
aucmd.type = CALLABLE_EX;
aucmd.callable.cmd = vim_strsave((char_u *)command->data.string.data);
aucmd.callable.cmd = (char_u *)string_to_cstr(command->data.string);
} else {
api_set_error(err,
kErrorTypeValidation,
@ -814,7 +814,7 @@ void nvim_exec_autocmds(Object event, Dict(exec_autocmds) *opts, Error *err)
goto cleanup;
}
pattern = vim_strsave((char_u *)opts->pattern.data.string.data);
pattern = (char_u *)string_to_cstr(opts->pattern.data.string);
set_pattern = true;
}

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@ -488,6 +488,16 @@ String cstr_to_string(const char *str)
};
}
/// Copies a String to an allocated, NUL-terminated C string.
///
/// @param str the String to copy
/// @return the resulting C string
char *string_to_cstr(String str)
FUNC_ATTR_NONNULL_RET FUNC_ATTR_WARN_UNUSED_RESULT
{
return xstrndup(str.data, str.size);
}
/// Copies buffer to an allocated String.
/// The resulting string is also NUL-terminated, to facilitate interoperating
/// with code using C strings.
@ -628,7 +638,7 @@ void modify_keymap(uint64_t channel_id, Buffer buffer, bool is_unmap, String mod
(char_u *)rhs.data, rhs.size, lua_funcref,
CPO_TO_CPO_FLAGS, &parsed_args);
if (opts != NULL && opts->desc.type == kObjectTypeString) {
parsed_args.desc = xstrdup(opts->desc.data.string.data);
parsed_args.desc = string_to_cstr(opts->desc.data.string);
} else {
parsed_args.desc = NULL;
}

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@ -261,7 +261,7 @@ static void ui_set_option(UI *ui, bool init, String name, Object value, Error *e
api_set_error(error, kErrorTypeValidation, "term_name must be a String");
return;
}
set_tty_option("term", xstrdup(value.data.string.data));
set_tty_option("term", string_to_cstr(value.data.string));
return;
}

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@ -2522,7 +2522,7 @@ Dictionary nvim_parse_cmd(String str, Dictionary opts, Error *err)
// Parse command line
exarg_T ea;
CmdParseInfo cmdinfo;
char_u *cmdline = vim_strsave((char_u *)str.data);
char_u *cmdline = (char_u *)string_to_cstr(str);
if (!parse_cmdline(cmdline, &ea, &cmdinfo)) {
api_set_error(err, kErrorTypeException, "Error while parsing command line");

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@ -1647,9 +1647,7 @@ int nlua_expand_pat(expand_T *xp, char_u *pat, int *num_results, char_u ***resul
goto cleanup_array;
}
GA_APPEND(char_u *,
&result_array,
vim_strsave((char_u *)v.data.string.data));
GA_APPEND(char_u *, &result_array, (char_u *)string_to_cstr(v.data.string));
}
xp->xp_pattern += prefix_len;