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feat(httpd): avoid useless string copy by introducing httpd_req_get_url_query_str_ptr()

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0xFEEDC0DE64
2026-06-02 16:54:23 +02:00
parent 2e2909506f
commit 3c64eea401
2 changed files with 60 additions and 0 deletions
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30
components/esp_http_server/src/httpd_parse.c
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@@ -1014,6 +1014,36 @@ esp_err_t httpd_req_get_url_query_str(httpd_req_t *r, char *buf, size_t buf_len)
return ESP_ERR_NOT_FOUND;
}
esp_err_t httpd_req_get_url_query_str_ptr(httpd_req_t *r, const char **buf, size_t *buf_len)
{
if (r == NULL || buf == NULL) {
return ESP_ERR_INVALID_ARG;
}
if (!httpd_valid_req(r)) {
return ESP_ERR_HTTPD_INVALID_REQ;
}
if (r->uri[0] == '\0') {
ESP_LOGD(TAG, "uri is empty");
return ESP_FAIL;
}
struct httpd_req_aux *ra = r->aux;
struct http_parser_url *res = &ra->url_parse_res;
/* Check if query field is present in the URL */
if (res->field_set & (1 << UF_QUERY)) {
*buf = r->uri + res->field_data[UF_QUERY].off;
/* Query data length does not include terminating null */
*buf_len = res->field_data[UF_QUERY].len;
return ESP_OK;
}
return ESP_ERR_NOT_FOUND;
}
/* Get the length of the value string of a header request field */
size_t httpd_req_get_hdr_value_len(httpd_req_t *r, const char *field)
{