HuntnGather – Diff between revs 19 and 22

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 ///////////////////////////////////////////////////////////////////////////
 //    Copyright (C) 2021 Wizardry and Steamworks - License: MIT          //
 ///////////////////////////////////////////////////////////////////////////
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <dirent.h>
 #include <signal.h>
 #include <ctype.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <proto/dos.h>
 #include <proto/exec.h>
+#if defined ___AsyncIO___
+#include <asyncio.h>
+#endif
 #if !defined ___HAVE_GETOPT___
 #include "getopt.h"
 #endif
-#define PROGRAM_VERSION "1.7.2"
+#define PROGRAM_VERSION "1.7.3"
 #if defined ___AmigaOS___
 /*************************************************************************/
 /*        Version string used for querrying the program version.         */
 /*************************************************************************/
 TEXT version_string[] =
 	"\0$VER: Hunt " PROGRAM_VERSION " "__DATE__" by Wizardry and Steamworks";
 #endif
 #if !defined TRUE
 #define TRUE 1;
 #endif
 #if !defined FALSE
 #define FALSE 0;
 #endif
 #define ASYNC_BUF 8192
 #define NAME_BUF 32
 #define PATH_BUF 128
 #define DEFAULT_DATABASE_FILE "S:gather.db"
 int run = TRUE;
 void SignalHandler(int sig) {
 	// Toggle the run flag to stop execution.
 	run = FALSE;
+}
 /*
 	* Compare "name" and "needle" for equality.
 	*/
 int compare(char *name, char *need) {
 #if defined ___AmigaOS___
 	ULONG size;
 	int success;
 	UBYTE *pattern;
 	char *upe = name;
 	char *upn = need;
 #if defined ___NOCASE_FS___
 	upe = strupr(upe);
 	upn = strupr(upn);
 #endif
 	// "must be at least 2 times as large plus 2 bytes"
 	size = strlen(upn) * 2 + 2;
 	success = FALSE;
 	if(pattern = AllocVec(size, MEMF_ANY|MEMF_CLEAR)) {
 		switch(ParsePatternNoCase(upn, pattern, (LONG)size)) {
 			case 1: // the pattern contains wildcards
 				success = MatchPatternNoCase(pattern, upe);
 				break;
 			case 0: // no wildcards so fall back to exact name match
 				success = (strstr(upe, upn) != NULL);
 				break;
+		}
 		FreeVec(pattern);
+	}
 	return success;
 #else
 	int success;
 	char *upe = name;
 	char *upn = need;
 	success = FALSE;
 #if defined ___NOCASE_FS___
 	upe = strupr(upe);
 	upn = strupr(upn);
 #endif
 	success = (strstr(upe, upn) != NULL);
 	return success;
 #endif
+}
 /*
+	*
 	* Search the database for a matching string.
 	*/
 void SearchDatabase(char *dbFile, char* need) {
+#if defined ___AsyncIO___
+	struct AsyncFile *fp;
+	LONG c;
+#else
 	FILE *fp;
+	char c;
+#endif
 	char *name;
 	int name_size;
 	char *path;
 	int path_size;
-	char c;
 	int i;
 	int side;
 	int match;
 	int total;
+#if defined ___AsyncIO___
+	if((fp = OpenAsync(dbFile, MODE_READ, ASYNC_BUF)) == NULL) {
 #else
+	if((fp = fopen(dbFile, "r")) == NULL) {
-	if((fp = fopen(dbFile, "r")) == NULL) {
+#endif
 		fprintf(stderr, "Unable to open gather database for reading.\n");
 		return;
+	}
 	name_size = NAME_BUF;
 	name = malloc(name_size * sizeof(*name));
 	path_size = PATH_BUF;
 	path = malloc(path_size * sizeof(*path));
 	i = 0;
 	side = 0;
 	match = FALSE;
 	total = 0;
+#if defined ___AsyncIO___
+	while(run && (c = ReadCharAsync(fp)) != -1) {
 #else
+	while(run && fscanf(fp, "%c", &c) == 1) {
-	while(run && fscanf(fp, "%c", &c) == 1) {
+#endif
 #if defined ___AmigaOS___
 		// Check if CTRL+C was pressed and abort the program.
 		if(SetSignal(0L, SIGBREAKF_CTRL_C) & SIGBREAKF_CTRL_C) {
 			run = FALSE;
 			break;
+		}
 #endif
 		switch(c) {
 			case '\n':
 				++total;
 				if(match) {
 					fprintf(stdout, "%s\n", path);
 					match = FALSE;
+				}
 				if(name != NULL) {
 					free(name);
 					name_size = NAME_BUF;
 					name = malloc(name_size * sizeof(*name));
+				}
 				--side;
 				i = 0;
 				break;
 			case '\t':
 				// Case insensitive match.
 				if(compare(name, need)) {
 					match = TRUE;
+				}
 				if(path != NULL) {
 					free(path);
 					path_size = PATH_BUF;
 					path = malloc(path_size * sizeof(*name));
+				}
 				++side;
 				i = 0;
 				break;
 			default:
 				switch(side) {
 					case 0:
 						if(strlen(name) == name_size) {
 							name_size = 1.5 * name_size;
 							name = realloc(name, name_size * sizeof(*name));
+						}
 						//name = realloc(name, (i + 1 + 1) * sizeof(*name));
 						name[i] = c;
 						name[i + 1] = '\0';
 						break;
 					case 1:
 						if(strlen(path) == path_size) {
 							path_size = 1.5 * path_size;
 							path = realloc(path, path_size * sizeof(*path));
+						}
 						//path = realloc(path, (i + 1 + 1) * sizeof(*path));
 						path[i] = c;
 						path[i + 1] = '\0';
 						break;
 					default:
 						fprintf(stderr, "Database corrupted.\n");
 						break;
+				}
 				++i;
 				break;
+		}
+	}
 	free(name);
 	free(path);
+#if defined ___AsyncIO___
+	CloseAsync(fp);
 #else
+	fclose(fp);
-	fclose(fp);
+#endif
+}
 /*
+	*
 	* Search the database for the matching string.
 	*/
 void Hunt(char *dbFile, char *need) {
 	// Search the database for the matching string.
 	SearchDatabase(dbFile, need);
+}
 void usage(char *name) {
 	fprintf(stdout, "Hunt & Gather - %s, a file index search tool.            \n", name);
 	fprintf(stdout, "Version: %s                                              \n", PROGRAM_VERSION);
    fprintf(stdout, "                                                         \n");
 	fprintf(stdout, "SYNTAX: %s [-d DATABASE] PATTERN                         \n", name);
    fprintf(stdout, "                                                         \n");
 	fprintf(stdout, "    -d DATABASE    A path to a database generated by the \n");
 	fprintf(stdout, "                   Gather tool that should be searched.  \n");
    fprintf(stdout, "                                                         \n");
 	fprintf(stdout, "PATTERN is an AmigaOS DOS pattern to match file names.   \n");
 	fprintf(stdout, "                                                         \n");
 	fprintf(stdout, "(c) 2021 Wizardry and Steamworks, MIT.                   \n");
+}
 int main(int argc, char **argv) {
  	int option;
  	char *dbFile;
  	struct stat path;
 	// Bind handler to SIGINT.
  	signal(SIGINT, SignalHandler);
 	dbFile = DEFAULT_DATABASE_FILE;
 	while((option = getopt(argc, argv, "hd:")) != -1) {
 		switch(option) {
 			case 'd':
 				dbFile = optarg;
 				break;
 			case 'h':
 				usage(argv[0]);
 				return 0;
 			case '?':
 				fprintf(stderr, "Invalid option %c.\n", optopt);;
 				return 1;
+		}
+	}
 	if(optind >= argc) {
 		usage(argv[0]);
 		return 1;
+	}
 	stat(dbFile, &path);
 	if(!S_ISREG(path.st_mode)) {
 		fprintf(stderr, "Database file '%s' is not a file.\n", dbFile);
 		return 1;
+	}
 	Hunt(dbFile, argv[optind]);
    return 0;
+}