53 lines
1.0 KiB
C
53 lines
1.0 KiB
C
#include <git2.h>
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#include <string.h>
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#include "geef.h"
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#include "oid.h"
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int geef_oid_bin(ErlNifBinary *bin, const git_oid *id)
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{
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if (!enif_alloc_binary(GIT_OID_RAWSZ, bin))
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return -1;
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memcpy(bin->data, id, GIT_OID_RAWSZ);
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return 0;
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}
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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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ERL_NIF_TERM
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geef_oid_parse(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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git_oid_fromstrn(&id, (const char *)bin.data, bin.size);
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if (geef_oid_bin(&bin_out, &id) < 0)
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return atoms.error;
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return enif_make_binary(env, &bin_out);
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}
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