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iphlpapi: Use the correct size to allocate the process map. 

The size is known at the start, so there's no need to grow it.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Huw Davies 2021-08-17 09:27:11 +01:00 committed by Alexandre Julliard
parent db410052a3
commit b2600726fc
1 changed files with 2 additions and 15 deletions
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17
dlls/iphlpapi/ipstats.c
View File

@ -546,7 +546,7 @@ struct pid_map
static struct pid_map *get_pid_map( unsigned int *num_entries )
{
struct pid_map *map;
unsigned int i = 0, map_count = 16, buffer_len = 4096, process_count, pos = 0;
unsigned int i = 0, buffer_len = 4096, process_count, pos = 0;
NTSTATUS ret;
char *buffer = NULL, *new_buffer;
@ -573,7 +573,7 @@ static struct pid_map *get_pid_map( unsigned int *num_entries )
buffer = new_buffer;
}
if (!(map = HeapAlloc( GetProcessHeap(), 0, map_count * sizeof(*map) )))
if (!(map = HeapAlloc( GetProcessHeap(), 0, process_count * sizeof(*map) )))
{
HeapFree( GetProcessHeap(), 0, buffer );
return NULL;
@ -586,19 +586,6 @@ static struct pid_map *get_pid_map( unsigned int *num_entries )
pos = (pos + 7) & ~7;
process = (const struct process_info *)(buffer + pos);
if (i >= map_count)
{
struct pid_map *new_map;
map_count *= 2;
if (!(new_map = HeapReAlloc( GetProcessHeap(), 0, map, map_count * sizeof(*map))))
{
HeapFree( GetProcessHeap(), 0, map );
HeapFree( GetProcessHeap(), 0, buffer );
return NULL;
}
map = new_map;
}
map[i].pid = process->pid;
map[i].unix_pid = process->unix_pid;