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bugfix: PACKET_GETALL_TUNNELS

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luwenpeng
2024-07-01 14:17:07 +08:00
parent 3b376a3e46
commit ec38d90241
1 changed files with 10 additions and 7 deletions
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17
include/stellar/tunnel.h
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@@ -47,13 +47,16 @@ int packet_get_tunnel_by_idx(const struct packet *pkt, int idx, struct tunnel *o
#define PACKET_FOREACH_TUNNEL_REVERSE(pkt, tunnel) \ #define PACKET_FOREACH_TUNNEL_REVERSE(pkt, tunnel) \
for (int i = packet_get_tunnel_count(pkt) - 1; i >= 0 && packet_get_tunnel_by_idx(pkt, i, &tunnel) == 0; i--) for (int i = packet_get_tunnel_count(pkt) - 1; i >= 0 && packet_get_tunnel_by_idx(pkt, i, &tunnel) == 0; i--)
#define PACKET_GETALL_TUNNELS(pkt, tunnels) \ #define PACKET_GETALL_TUNNELS(pkt, tunnels) \
{ \ ({ \
int num = MIN(packet_get_tunnel_count(pkt), (sizeof(tunnels) / sizeof(tunnels[0]))); \ memset(tunnels, 0, sizeof(tunnels)); \
for (int i = 0; i < num && packet_get_tunnel_by_idx(pkt, i, &tunnels[i]) == 0; i++) \ int size = sizeof(tunnels) / sizeof(tunnels[0]); \
/* void */; \ int count = packet_get_tunnel_count(pkt); \
return num; \ int num = count > size ? size : count; \
} for (int i = 0; i < num && packet_get_tunnel_by_idx(pkt, i, &tunnels[i]) == 0; i++) \
/* void */; \
num; \
})
#ifdef __cplusplus #ifdef __cplusplus
} }