25 lines
512 B
C
25 lines
512 B
C
#include <git2.h>
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#include "geef.h"
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#include "oid.h"
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ERL_NIF_TERM
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geef_oid_fmt(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
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{
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ErlNifBinary bin, bin_out;
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git_oid id;
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if (!enif_inspect_binary(env, argv[0], &bin))
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return enif_make_badarg(env);
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if (bin.size < GIT_OID_RAWSZ)
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return enif_make_badarg(env);
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if (!enif_alloc_binary(GIT_OID_HEXSZ, &bin_out))
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return atoms.error;
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git_oid_fromraw(&id, bin.data);
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git_oid_fmt((char *)bin_out.data, &id);
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return enif_make_binary(env, &bin_out);
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}
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