HuntnGather – Diff between revs 9 and 10

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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 ___HAVE_GETOPT___
 #include "getopt.h"
 #endif
 #if defined ___AmigaOS___
 /*************************************************************************/
 /*        Version string used for querrying the program version.         */
 /*************************************************************************/
 TEXT version_string[] =
 	"\0$VER: Hunt 1.6 "__DATE__" by Wizardry and Steamworks";
 #endif
 #if !defined TRUE
 #define TRUE 1;
 #endif
 #if !defined FALSE
 #define FALSE 0;
 #endif
 #define DEFAULT_DATABASE_FILE "S:gather.db"
 int run = TRUE;
 void SignalHandler(int sig) {
 	// Toggle the run flag to stop execution.
 	run = FALSE;
+}
 /*
 	* Convert string to uppercase.
 	*/
 char *strupr(char *str) {
 	char *up;
 	int i;
 	up = (char *) malloc((strlen(str) + 1) * sizeof(char));
 	sprintf(up, "%s", str);
 	i = strlen(up);
 	while(--i > -1) {
 		up[i] = toupper(up[i]);
+	}
 	return up;
+}
 /*
 	* Compare "name" and "needle" for equality.
 	*/
 int compare(char *name, char *need) {
 #if defined ___AmigaOS___
 	ULONG size;
 	char *upn, *upe;
 	int success;
 	UBYTE *pattern;
 	upe = strupr(need);
 	upn = strupr(name);
 	size = strlen(upe) * 3;
 	success = FALSE;
 	if(pattern = AllocVec(size, MEMF_ANY|MEMF_CLEAR)) {
 		if(ParsePatternNoCase(upe, pattern, (LONG)size) > 0) {
 			success = MatchPatternNoCase(pattern, upn);
 			FreeVec(pattern);
 			free(upe);
 			free(upn);
 			return success;
+		}
 		FreeVec(pattern);
+	}
 	free(upe);
 	free(upn);
 	return success;
 #else
 	char *upn, *upe;
 	int success = FALSE;
 	upe = strupr(need);
 	upn = strupr(name);
 	success = strstr(strupr(name), strupr(need)) != NULL;
 	free(upe);
 	free(upn);
 	return success;
 #endif
+}
 /*
+	*
 	* Search the database for a matching string.
 	*/
 void SearchDatabase(char *dbFile, char* need) {
 	FILE *fp;
 	char *name;
 	char *path;
 	char c;
 	int i;
 	int side;
 	int match;
 	int total;
 	if((fp = fopen(dbFile, "r")) == NULL) {
 		fprintf(stderr, "Unable to open gather database for reading.\n");
 		return;
+	}
 	name = (char *) malloc(sizeof(char));
 	path = (char *) malloc(sizeof(char));
 	i = 0;
 	side = 0;
 	match = FALSE;
 	total = 0;
 	while(run && fscanf(fp, "%c", &c) == 1) {
 #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 = (char *) malloc(sizeof(char));
+				}
 				--side;
 				i = 0;
 				break;
 			case '\t':
 				// Case insensitive match.
 				if(compare(name, need)) {
 					match = TRUE;
+				}
 				if(path != NULL) {
 					free(path);
 					path = (char *) malloc(sizeof(char));
+				}
 				++side;
 				i = 0;
 				break;
 			default:
 				switch(side) {
 					case 0:
 						name = (char *) realloc(name, (i + 1 + 1) * sizeof(char));
 						name[i] = c;
 						name[i + 1] = '\0';
 						break;
 					case 1:
 						path = (char *) realloc(path, (i + 1 + 1) * sizeof(char));
 						path[i] = c;
 						path[i + 1] = '\0';
 						break;
 					default:
 						fprintf(stderr, "Database corrupted.\n");
 						break;
+				}
 				++i;
 				break;
+		}
+	}
 	free(name);
 	free(path);
 	fclose(fp);
+}
 /*
+	*
 	* Search the database for the matching string.
 	*/
 void Hunt(char *dbFile, char *need) {
 	// Search the database for the matching string.
 	SearchDatabase(dbFile, need);
+}
 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':
 				fprintf(stdout, "SYNTAX: %s [-d DATABASE] PATTERN\n", argv[0]);
 				return 0;
 			case '?':
 				fprintf(stderr, "Invalid option %c.\n", optopt);
 				fprintf(stdout, "SYNTAX: %s [-d DATABASE] PATTERN\n", argv[0]);
 				return 1;
+		}
+	}
-	if(optind > argc) {
+	if(optind >= argc) {
 		fprintf(stdout, "SYNTAX: %s [-d DATABASE] PATTERN\n", 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;
+}