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52 lines
927 B
52 lines
927 B
#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <cc20.h>
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#define IGNORE(v) ((void)(v))
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static ssize_t cc20c_read(void* cookie, char* buffer, size_t size)
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{
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IGNORE(cookie);
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IGNORE(buffer);
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IGNORE(size);
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return -1;
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}
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static ssize_t cc20c_write(void* cookie, const char* buffer, size_t size)
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{
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register int c = cc20_write(buffer, 1, size, cookie);
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return c < 0 ? 0 : c;
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}
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static int cc20c_seek(void* cookie, off64_t* pos, int w)
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{
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IGNORE(cookie);
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IGNORE(pos);
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IGNORE(w);
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return -1;
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}
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static int cc20c_close(void* cookie)
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{
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struct cc20_metadata meta ={0};
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cc20_close_sink(cookie, &meta);
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if(meta.backing) fclose(meta.backing);
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else return -1;
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return 0;
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}
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FILE* _cc20c_create(cc20_sink_t* restrict sink)
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{
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return fopencookie(sink, "wb", (cookie_io_functions_t){
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.read = &cc20c_read,
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.write = &cc20c_write,
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.seek = &cc20c_seek,
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.close = &cc20c_close,
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});
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}
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