Fix ld error

lib/libesp32/re1.5/main.c

@@ -1,150 +0,0 @@
-// Copyright 2007-2009 Russ Cox.  All Rights Reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-#include "re1.5.h"
-
-struct {
-	const char *name;
-	int (*fn)(ByteProg*, Subject*, const char**, int, int);
-} tab[] = {
-	{"recursive", re1_5_recursiveprog},
-	{"recursiveloop", re1_5_recursiveloopprog},
-	{"backtrack", re1_5_backtrack},
-	{"thompson", re1_5_thompsonvm},
-	{"pike", re1_5_pikevm},
-};
-
-#ifdef DEBUG
-int debug;
-#endif
-const char *re_engine;
-
-void
-usage(void)
-{
-	fprintf(stderr, "Usage: re [-hmd] [-e ENGINE] <regexp> <string>...\n"
-	        "-h:        Print help message and exit\n"
-	        "-m:        String is anchored\n"
-	        "-e ENGINE: Specify one of: recursive recursiveloop backtrack thompson pike\n");
-#ifdef DEBUG
-	fprintf(stderr,
-		"-d:        Print debug messages\n");
-#endif
-	exit(2);
-}
-
-int
-main(int argc, char **argv)
-{
-	int i, j, k, l;
-	int is_anchored = 0;
-
-	argv++;
-	argc--;
-	while (argc > 0 && argv[0][0] == '-') {
-		char *arg;
-		for (arg = &argv[0][1]; *arg; arg++) {
-			switch (*arg) {
-				case 'h':
-					usage();
-					break;
-				case 'm':
-					is_anchored = 1;
-					break;
-#ifdef DEBUG
-				case 'd':
-					debug = 1;
-					break;
-#endif
-				case 'e':
-					if (argv[1] == NULL)
-						re1_5_fatal("-e: Missing Regex engine argument");
-					if (re_engine)
-						re1_5_fatal("-e: Regex engine already specified");
-					re_engine = argv[1];
-					argv++;
-					argc--;
-					break;
-				default:
-					re1_5_fatal("Unknown flag");
-			}
-		}
-		argv++;
-		argc--;
-	}
-
-	if(argc < 2)
-		usage();
-
-#ifdef ODEBUG
-	// Old and unmaintained code
-	Regexp *re = parse(argv[0]);
-	printre(re);
-	printf("\n");
-
-	Prog *prog = compile(re);
-	printprog(prog);
-	printf("=============\n");
-#endif
-	int sz = re1_5_sizecode(argv[0]);
-#ifdef DEBUG
-	if (debug) printf("Precalculated size: %d\n", sz);
-#endif
-	if (sz == -1) {
-		re1_5_fatal("Error in regexp");
-	}
-
-	ByteProg *code = malloc(sizeof(ByteProg) + sz);
-	int ret = re1_5_compilecode(code, argv[0]);
-        if (ret != 0) {
-		re1_5_fatal("Error in regexp");
-	}
-
-	int sub_els = (code->sub + 1) * 2;
-#ifdef DEBUG
-	if (debug) re1_5_dumpcode(code);
-#endif
-	const char *sub[sub_els];
-	int engine_found = 0;
-	for(i=1; i<argc; i++) {
-		printf("#%d %s\n", i, argv[i]);
-		for(j=0; j<nelem(tab); j++) {
-			Subject subj = {argv[i], argv[i] + strlen(argv[i])};
-			if (re_engine) {
-				if (0 != strcmp(re_engine, tab[j].name))
-					continue;
-				engine_found = 1;
-			}
-			printf("%s ", tab[j].name);
-			memset(sub, 0, sub_els * sizeof sub[0]);
-			if(!tab[j].fn(code, &subj, sub, sub_els, is_anchored)) {
-				printf("-no match-\n");
-				continue;
-			}
-			printf("match");
-			for(k=sub_els; k>0; k--)
-				if(sub[k-1])
-					break;
-			for(l=0; l<k; l+=2) {
-				printf(" (");
-				if(sub[l] == nil)
-					printf("?");
-				else
-					printf("%d", (int)(sub[l] - argv[i]));
-				printf(",");
-				if(sub[l+1] == nil)
-					printf("?");
-				else
-					printf("%d", (int)(sub[l+1] - argv[i]));
-				printf(")");
-			}
-			printf("\n");
-		}
-		if (re_engine && !engine_found)
-			re1_5_fatal("-e: Unknown engine name");
-	}
-
-	free(code);
-	return 0;
-}