mirror of
https://libwebsockets.org/repo/libwebsockets
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70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/*
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* lws_settings
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*
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* Copyright (C) 2019 - 2020 Andy Green <andy@warmcat.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <private-lib-core.h>
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lws_settings_instance_t *
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lws_settings_init(const lws_settings_ops_t *so, void *opaque_plat)
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{
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lws_settings_instance_t *si = lws_zalloc(sizeof(*si), __func__);
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if (!si)
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return NULL;
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si->so = so;
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si->opaque_plat = opaque_plat;
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return si;
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}
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void
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lws_settings_deinit(lws_settings_instance_t **si)
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{
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lws_free(*si);
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*si = NULL;
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}
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int
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lws_settings_plat_printf(lws_settings_instance_t *si, const char *name,
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const char *format, ...)
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{
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va_list ap;
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uint8_t *p;
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int n;
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va_start(ap, format);
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n = vsnprintf(NULL, 0, format, ap);
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va_end(ap);
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p = lws_malloc(n + 2, __func__);
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va_start(ap, format);
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vsnprintf((char *)p, n + 2, format, ap);
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va_end(ap);
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n = si->so->set(si, name, p, n);
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lws_free(p);
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return n;
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}
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