Stupid cvs didn't add finddir.c on last commit.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8585 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/bin/finddir.c

@@ -0,0 +1,177 @@
+/*
+ * finddir.c - 
+ * (c) 2002, Sebastian Nozzi <sebnozzi@gmx.net>
+ */
+
+#include <FindDirectory.h>
+#include <fs_info.h>
+
+#include <stdio.h>
+#include <string.h>
+
+typedef struct
+{
+	const char *key;
+	directory_which value;
+} directoryType;
+
+#define KEYVALUE_PAIR(key) {#key,key}
+
+directoryType directoryTypes[] = {
+	KEYVALUE_PAIR(B_DESKTOP_DIRECTORY),
+	KEYVALUE_PAIR(B_TRASH_DIRECTORY),
+	KEYVALUE_PAIR(B_APPS_DIRECTORY),
+	KEYVALUE_PAIR(B_PREFERENCES_DIRECTORY),
+	KEYVALUE_PAIR(B_BEOS_DIRECTORY),
+	KEYVALUE_PAIR(B_BEOS_SYSTEM_DIRECTORY),
+	KEYVALUE_PAIR(B_BEOS_ADDONS_DIRECTORY),
+	KEYVALUE_PAIR(B_BEOS_BOOT_DIRECTORY),
+	KEYVALUE_PAIR(B_BEOS_FONTS_DIRECTORY),
+	KEYVALUE_PAIR(B_BEOS_LIB_DIRECTORY),
+	KEYVALUE_PAIR(B_BEOS_SERVERS_DIRECTORY),
+	KEYVALUE_PAIR(B_BEOS_APPS_DIRECTORY),
+	KEYVALUE_PAIR(B_BEOS_BIN_DIRECTORY),
+	KEYVALUE_PAIR(B_BEOS_ETC_DIRECTORY),
+	KEYVALUE_PAIR(B_BEOS_DOCUMENTATION_DIRECTORY),
+	KEYVALUE_PAIR(B_BEOS_PREFERENCES_DIRECTORY),
+	KEYVALUE_PAIR(B_COMMON_DIRECTORY),
+	KEYVALUE_PAIR(B_COMMON_SYSTEM_DIRECTORY),
+	KEYVALUE_PAIR(B_COMMON_ADDONS_DIRECTORY),
+	KEYVALUE_PAIR(B_COMMON_BOOT_DIRECTORY),
+	KEYVALUE_PAIR(B_COMMON_FONTS_DIRECTORY),
+	KEYVALUE_PAIR(B_COMMON_LIB_DIRECTORY),
+	KEYVALUE_PAIR(B_COMMON_SERVERS_DIRECTORY),
+	KEYVALUE_PAIR(B_COMMON_BIN_DIRECTORY),
+	KEYVALUE_PAIR(B_COMMON_ETC_DIRECTORY),
+	KEYVALUE_PAIR(B_COMMON_DOCUMENTATION_DIRECTORY),
+	KEYVALUE_PAIR(B_COMMON_SETTINGS_DIRECTORY),
+	KEYVALUE_PAIR(B_COMMON_DEVELOP_DIRECTORY),
+	KEYVALUE_PAIR(B_COMMON_LOG_DIRECTORY),
+	KEYVALUE_PAIR(B_COMMON_SPOOL_DIRECTORY),
+	KEYVALUE_PAIR(B_COMMON_TEMP_DIRECTORY),
+	KEYVALUE_PAIR(B_COMMON_VAR_DIRECTORY),
+	KEYVALUE_PAIR(B_USER_DIRECTORY),
+	KEYVALUE_PAIR(B_USER_CONFIG_DIRECTORY),
+	KEYVALUE_PAIR(B_USER_ADDONS_DIRECTORY),
+	KEYVALUE_PAIR(B_USER_BOOT_DIRECTORY),
+	KEYVALUE_PAIR(B_USER_FONTS_DIRECTORY),
+	KEYVALUE_PAIR(B_USER_LIB_DIRECTORY),
+	KEYVALUE_PAIR(B_USER_SETTINGS_DIRECTORY),
+	KEYVALUE_PAIR(B_USER_DESKBAR_DIRECTORY),
+	{NULL,B_USER_DESKBAR_DIRECTORY}
+};
+
+bool retrieveDirValue( directoryType *list, const char *key, directory_which *value_out )
+{
+	unsigned i = 0;
+	
+	while( list[i].key != NULL )
+	{
+		if( strcmp( list[i].key, key ) == 0 )
+		{
+			*value_out = list[i].value;
+			return true;
+		}
+		
+		i++;
+	}
+	
+	return false;
+}
+
+void usageMsg(){
+	printf("usage:  /bin/finddir [ -v volume ] directory_which\n" );
+	printf("\t-v <file>   use the specified volume for directory\n" );
+	printf("\t\t    constants that are volume-specific.\n");
+	printf("\t\t    <file> can be any file on that volume.\n");
+	printf("\t\t    defaults to the boot volume.\n");
+	printf(" For a description of recognized directory_which constants,\n");
+	printf(" see the find_directory(...) documentation in the Be Book.\n");
+}
+
+#define NO_ERRORS   0
+#define ARGUMENT_MISSING 1
+#define WRONG_DIR_TYPE  2
+
+int main(int argc, char *argv[])
+{
+	int directoryArgNr;
+	int status;
+	dev_t volume;
+	directory_which dirType;
+	int returnCode;
+	
+	status = NO_ERRORS;
+	directoryArgNr = 1;
+	returnCode = 0;
+
+	dirType = B_BEOS_DIRECTORY; /* so that it compiles */
+	
+	/* By default use boot volume*/
+	volume = dev_for_path( "/boot" );
+	
+	if( argc <= 1 ){
+		status = ARGUMENT_MISSING;
+	} else {
+		if( strcmp(argv[1], "-v") == 0 ){
+			if( argc >= 3 ){
+				dev_t temp_volume;
+				/* get volume from second arg */
+				temp_volume = dev_for_path( argv[2] );
+				
+				/* Keep default value in case of error */
+				if( temp_volume >= 0 )
+					volume = temp_volume;
+				
+				/* two arguments were used for volume */
+				directoryArgNr+=2;
+			} else {
+				/* set status to argument missing */
+				status = ARGUMENT_MISSING;
+			}
+		}
+	}
+	
+	if( status == NO_ERRORS && argc > directoryArgNr ){
+		/* get directory constant from next argument */
+
+		if( retrieveDirValue( directoryTypes, argv[directoryArgNr], &dirType ) == false ){
+			status = WRONG_DIR_TYPE;
+		}
+		
+	} else {
+		status = ARGUMENT_MISSING;
+	}
+	
+	/* Do the actual directoy finding */
+	
+	if( status == NO_ERRORS ){
+		/* Question: would B_PATH_NAME_LENGTH alone have been enough? */
+		char buffer[B_PATH_NAME_LENGTH+B_FILE_NAME_LENGTH];
+		status_t result;
+		
+		result = find_directory( dirType, volume, /*create it*/ false, buffer, sizeof(buffer) );
+		
+		if( result == B_OK ){
+			printf( "%s\n", buffer );
+		}else{
+			/* else what? */
+			/* this can not happen! */
+			printf("Serious internal error; contact support\n");
+		}
+	}
+
+	/* Error messages and return code setting */
+
+	if( status == WRONG_DIR_TYPE )	{
+		printf("%s: unrecognized directory_which constant \'%s\'\n", argv[0], argv[directoryArgNr] );
+		returnCode = 252;
+	}
+
+	if( status == ARGUMENT_MISSING ){
+		usageMsg();
+		returnCode = 255;
+	}
+	
+	return returnCode;
+}