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lib-socket: make getaddrinfo return EAI_ values (#4498)

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cf. https://github.com/bytecodealliance/wasm-micro-runtime/issues/4464
This commit is contained in:
YAMAMOTO Takashi
2025-07-21 10:21:31 +09:00
committed by GitHub
parent 952b35d11d
commit a780ffdc43
2 changed files with 36 additions and 7 deletions
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21
core/iwasm/libraries/lib-socket/src/wasi/wasi_socket_ext.c
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@ -38,6 +38,13 @@ __errno_location(void);
return -1; \
}
/* REVISIT: in many cases, EAI_SYSTEM may not be an ideal error code */
#define GAI_HANDLE_ERROR(error) \
if (error != __WASI_ERRNO_SUCCESS) { \
errno = error; \
return EAI_SYSTEM; \
}
static void
ipv4_addr_to_wasi_ip4_addr(uint32_t addr_num, __wasi_addr_ip4_t *out)
{
@ -518,7 +525,7 @@ getaddrinfo(const char *node, const char *service, const struct addrinfo *hints,
struct aibuf *aibuf_res;
error = addrinfo_hints_to_wasi_hints(hints, &wasi_hints);
HANDLE_ERROR(error)
GAI_HANDLE_ERROR(error)
do {
if (addr_info)
@ -529,7 +536,7 @@ getaddrinfo(const char *node, const char *service, const struct addrinfo *hints,
* sizeof(__wasi_addr_info_t));
if (!addr_info) {
HANDLE_ERROR(__WASI_ERRNO_NOMEM)
return EAI_MEMORY;
}
error = __wasi_sock_addr_resolve(node, service == NULL ? "" : service,
@ -537,21 +544,21 @@ getaddrinfo(const char *node, const char *service, const struct addrinfo *hints,
&max_info_size);
if (error != __WASI_ERRNO_SUCCESS) {
free(addr_info);
HANDLE_ERROR(error);
GAI_HANDLE_ERROR(error);
}
} while (max_info_size > addr_info_size);
addr_info_size = max_info_size;
if (addr_info_size == 0) {
free(addr_info);
HANDLE_ERROR(__WASI_ERRNO_NOENT)
return EAI_NONAME;
}
aibuf_res =
(struct aibuf *)calloc(1, addr_info_size * sizeof(struct aibuf));
if (!aibuf_res) {
free(addr_info);
HANDLE_ERROR(__WASI_ERRNO_NOMEM)
return EAI_MEMORY;
}
*res = &aibuf_res[0].ai;
@ -564,14 +571,14 @@ getaddrinfo(const char *node, const char *service, const struct addrinfo *hints,
if (error != __WASI_ERRNO_SUCCESS) {
free(addr_info);
free(aibuf_res);
HANDLE_ERROR(error)
GAI_HANDLE_ERROR(error)
}
ai->ai_next = i == addr_info_size - 1 ? NULL : &aibuf_res[i + 1].ai;
}
free(addr_info);
return __WASI_ERRNO_SUCCESS;
return 0;
}
void