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Add list_add_strdup() etc

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This commit is contained in:
matt335672 2023-03-06 13:54:22 +00:00
parent a6995f5e58
commit c3d697de16
9 changed files with 159 additions and 53 deletions
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10
common/file.c
View File

@ -100,7 +100,7 @@ l_file_read_sections(int fd, int max_file_size, struct list *names)
{
if (line_lookup_for_section_name(text, FILE_MAX_LINE_BYTES) != 0)
{
list_add_item(names, (tbus)g_strdup(text));
list_add_strdup(names, text);
}
}
}
@ -286,7 +286,7 @@ l_file_read_section(int fd, int max_file_size, const char *section,
if (g_strlen(text) > 0)
{
file_split_name_value(text, name, value);
list_add_item(names, (tbus)g_strdup(name));
list_add_strdup(names, name);
if (value[0] == '$')
{
@ -294,16 +294,16 @@ l_file_read_section(int fd, int max_file_size, const char *section,
if (lvalue != 0)
{
list_add_item(values, (tbus)g_strdup(lvalue));
list_add_strdup(values, lvalue);
}
else
{
list_add_item(values, (tbus)g_strdup(""));
list_add_strdup(values, "");
}
}
else
{
list_add_item(values, (tbus)g_strdup(value));
list_add_strdup(values, value);
}
}
}

78
common/list.c
View File

@ -23,6 +23,7 @@
#endif
#include <stdlib.h>
#include <stdarg.h>
#include "arch.h"
#include "os_calls.h"
@ -232,6 +233,65 @@ list_insert_item(struct list *self, int index, tbus item)
return 1;
}
/******************************************************************************/
int
list_add_strdup(struct list *self, const char *str)
{
int rv;
char *dup;
if (str == NULL)
{
rv = list_add_item(self, (tintptr)str);
}
else if ((dup = g_strdup(str)) == NULL)
{
rv = 0;
}
else
{
rv = list_add_item(self, (tintptr)dup);
if (!rv)
{
g_free(dup);
}
}
return rv;
}
/******************************************************************************/
int
list_add_strdup_multi(struct list *self, ...)
{
va_list ap;
int entry_count = self->count;
const char *s;
int rv = 1;
va_start(ap, self);
while ((s = va_arg(ap, const char *)) != NULL)
{
if (!list_add_strdup(self, s))
{
rv = 0;
break;
}
}
va_end(ap);
if (rv == 0)
{
// Remove the additional items we added
while (self->count > entry_count)
{
list_remove_item(self, self->count - 1);
}
}
return rv;
}
/******************************************************************************/
/* append one list to another using strdup for each item in the list */
/* begins copy at start_index, a zero based index on the source list */
@ -245,23 +305,7 @@ list_append_list_strdup(struct list *self, struct list *dest, int start_index)
for (index = start_index; index < self->count; index++)
{
const char *item = (const char *)list_get_item(self, index);
char *dup;
if (item == NULL)
{
// This shouldn't really happen, but if it does we'll
// copy the item anyway.
dup = NULL;
}
else
{
dup = g_strdup(item);
if (dup == NULL)
{
rv = 0;
break;
}
}
if (!list_add_item(dest, (tbus)dup))
if (!list_add_strdup(dest, item))
{
rv = 0;
break;

33
common/list.h
View File

@ -113,4 +113,37 @@ list_dump_items(struct list *self);
struct list *
split_string_into_list(const char *str, char character);
/**
* As list_add_item() but for a C string
*
* This is a convenience function for a common operation
* @param self List to append to
* @param str String to append
*
* The passed-in string is strdup'd onto the list, so if auto_free
* isn't set, memory leaks will occur.
*
* A NULL pointer will be added as a NULL entry.
*
* @result 0 if any memory allocation failure occurred. In this case
* the list is unchanged.
*/
int
list_add_strdup(struct list *self, const char *str);
/**
* Add multiple strings to a list
*
* This is a convenience function for a common operation
* @param self List to append to
* @param ... Strings to append. Terminate the list with a NULL.
*
* @result 0 if any memory allocation failure occurred. In this case
* the list is unchanged.
*/
int
list_add_strdup_multi(struct list *self, ...);
#endif

15
sesman/config.c
View File

@ -452,8 +452,8 @@ config_read_xorg_params(int file, struct config_sesman *cs,
for (i = 0; i < param_n->count; i++)
{
list_add_item(cs->xorg_params,
(long) g_strdup((char *) list_get_item(param_v, i)));
list_add_strdup(cs->xorg_params,
(const char *) list_get_item(param_v, i));
}
return 0;
@ -485,7 +485,8 @@ config_read_vnc_params(int file, struct config_sesman *cs, struct list *param_n,
for (i = 0; i < param_n->count; i++)
{
list_add_item(cs->vnc_params, (long)g_strdup((char *)list_get_item(param_v, i)));
list_add_strdup(cs->vnc_params,
(const char *)list_get_item(param_v, i));
}
return 0;
@ -510,10 +511,10 @@ config_read_session_variables(int file, struct config_sesman *cs,
for (i = 0; i < param_n->count; i++)
{
list_add_item(cs->env_names,
(tintptr) g_strdup((char *) list_get_item(param_n, i)));
list_add_item(cs->env_values,
(tintptr) g_strdup((char *) list_get_item(param_v, i)));
list_add_strdup(cs->env_names,
(const char *) list_get_item(param_n, i));
list_add_strdup(cs->env_values,
(const char *) list_get_item(param_v, i));
}
return 0;

28
sesman/session.c
View File

@ -360,7 +360,7 @@ session_start_chansrv(int uid, int display)
g_snprintf(exe_path, sizeof(exe_path), "%s/xrdp-chansrv",
XRDP_SBIN_PATH);
list_add_item(chansrv_params, (intptr_t) g_strdup(exe_path));
list_add_strdup(chansrv_params, exe_path);
list_add_item(chansrv_params, 0); /* mandatory */
env_set_user(uid, 0, display,
@ -759,10 +759,10 @@ session_start(struct auth_info *auth_info,
xserver = g_strdup((const char *)list_get_item(g_cfg->xorg_params, 0));
/* these are the must have parameters */
list_add_item(xserver_params, (tintptr) g_strdup(xserver));
list_add_item(xserver_params, (tintptr) g_strdup(screen));
list_add_item(xserver_params, (tintptr) g_strdup("-auth"));
list_add_item(xserver_params, (tintptr) g_strdup(authfile));
list_add_strdup_multi(xserver_params,
xserver, screen,
"-auth", authfile,
NULL);
/* additional parameters from sesman.ini file */
list_append_list_strdup(g_cfg->xorg_params, xserver_params, 1);
@ -791,17 +791,13 @@ session_start(struct auth_info *auth_info,
xserver = g_strdup((const char *)list_get_item(g_cfg->vnc_params, 0));
/* these are the must have parameters */
list_add_item(xserver_params, (tintptr)g_strdup(xserver));
list_add_item(xserver_params, (tintptr)g_strdup(screen));
list_add_item(xserver_params, (tintptr)g_strdup("-auth"));
list_add_item(xserver_params, (tintptr)g_strdup(authfile));
list_add_item(xserver_params, (tintptr)g_strdup("-geometry"));
list_add_item(xserver_params, (tintptr)g_strdup(geometry));
list_add_item(xserver_params, (tintptr)g_strdup("-depth"));
list_add_item(xserver_params, (tintptr)g_strdup(depth));
list_add_item(xserver_params, (tintptr)g_strdup("-rfbauth"));
list_add_item(xserver_params, (tintptr)g_strdup(passwd_file));
list_add_strdup_multi(xserver_params,
xserver, screen,
"-auth", authfile,
"-geometry", geometry,
"-depth", depth,
"-rfbauth", passwd_file,
NULL);
g_free(passwd_file);
/* additional parameters from sesman.ini file */

34
tests/common/test_list_calls.c
View File

@ -65,7 +65,15 @@ START_TEST(test_list__simple_auto_free)
{
char strval[64];
g_snprintf(strval, sizeof(strval), "%d", i);
list_add_item(lst, (tintptr)g_strdup(strval));
// Odds, use list_add_item/strdup, evens use list_add_strdup
if ((i % 2) != 0)
{
list_add_item(lst, (tintptr)g_strdup(strval));
}
else
{
list_add_strdup(lst, strval);
}
}
list_remove_item(lst, 0);
@ -116,6 +124,29 @@ START_TEST(test_list__simple_append_list)
}
END_TEST
START_TEST(test_list__simple_strdup_multi)
{
int i;
struct list *lst = list_create();
lst->auto_free = 1;
list_add_strdup_multi(lst,
"0", "1", "2", "3", "4", "5",
"6", "7", "8", "9", "10", "11",
NULL);
ck_assert_int_eq(lst->count, 12);
for (i = 0 ; i < lst->count; ++i)
{
int val = g_atoi((const char *)list_get_item(lst, i));
ck_assert_int_eq(val, i);
}
list_delete(lst);
}
END_TEST
int
split_string_append_fragment(const char **start, const char *end,
struct list *list);
@ -172,6 +203,7 @@ make_suite_test_list(void)
tcase_add_test(tc_simple, test_list__simple);
tcase_add_test(tc_simple, test_list__simple_auto_free);
tcase_add_test(tc_simple, test_list__simple_append_list);
tcase_add_test(tc_simple, test_list__simple_strdup_multi);
tcase_add_test(tc_simple, test_list__append_fragment);
tcase_add_test(tc_simple, test_list__split_string_into_list);

6
xrdp/xrdp_login_wnd.c
View File

@ -652,11 +652,11 @@ xrdp_wm_login_fill_in_combo(struct xrdp_wm *self, struct xrdp_bitmap *b)
g_strncpy(name, r, 255);
}
list_add_item(mod_data->names, (long)g_strdup(q));
list_add_item(mod_data->values, (long)g_strdup(r));
list_add_strdup(mod_data->names, q);
list_add_strdup(mod_data->values, r);
}
list_add_item(b->string_list, (long)g_strdup(name));
list_add_strdup(b->string_list, name);
list_add_item(b->data_list, (long)mod_data);
}
}

4
xrdp/xrdp_mm.c
View File

@ -486,8 +486,8 @@ xrdp_mm_setup_mod2(struct xrdp_mm *self)
the module should use the last one */
if (g_strlen(text) > 0)
{
list_add_item(self->login_names, (long)g_strdup("port"));
list_add_item(self->login_values, (long)g_strdup(text));
list_add_strdup(self->login_names, "port");
list_add_strdup(self->login_values, text);
}
/* always set these */

4
xrdp/xrdp_wm.c
View File

@ -758,8 +758,8 @@ xrdp_wm_init(struct xrdp_wm *self)
}
}
list_add_item(self->mm->login_names, (long)g_strdup(q));
list_add_item(self->mm->login_values, (long)g_strdup(r));
list_add_strdup(self->mm->login_names, q);
list_add_strdup(self->mm->login_values, r);
}
/*