84 lines
1.2 KiB
C
84 lines
1.2 KiB
C
/* SPDX-License-Identifier: BSD-2 */
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#include "hashmap.h"
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#include "pp.h"
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#include "pp_defines.h"
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#include "pp_args.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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int main(int argc, char **argv)
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{
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void *def_map;
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struct args *args;
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FILE *source;
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FILE *out;
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int ret;
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def_map = NULL;
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args = NULL;
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source = NULL;
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out = NULL;
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def_map = hashmap_new();
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args = pp_parse_args(argc, argv, def_map);
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if (!args) {
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if (errno)
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ret = errno;
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else
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ret = PP_FAILED;
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goto free_and_exit;
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}
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if (args->in_file) {
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source = fopen(args->in_file, "rb");
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if (!source) {
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ret = errno;
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goto free_and_exit;
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}
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} else {
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source = stdin;
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}
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if (args->out_file) {
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out = fopen(args->out_file, "w");
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if (!out) {
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ret = errno;
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goto free_and_exit;
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}
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} else {
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out = stdout;
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}
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ret = pp_compute(def_map, args->inc_dirs, source, out);
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if (ret == PP_FAILED && errno == ENOMEM) {
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ret = ENOMEM;
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goto free_and_exit;
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}
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if (ret == PP_OK && errno == ENOENT) {
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ret = PP_OK;
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goto free_and_exit;
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}
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if (ret == PP_FAILED)
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goto free_and_exit;
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ret = errno;
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free_and_exit:
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hashmap_free(def_map);
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pp_free_args(args);
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if (source)
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fclose(source);
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if (out)
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fclose(out);
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return ret;
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}
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