File list support...

xtandard.c

@@ -16,6 +16,13 @@ char  * * argument_nick             = NULL;
 char  * * argument_name             = NULL;
 void (* * argument_function) (void) = NULL;
 
+int      file_list_active = 0;
+int      file_list_count  = 0;
+int    * file_list_mark   = NULL;
+int    * file_list_size   = NULL;
+char * * file_list_name   = NULL;
+char * * file_list_data   = NULL;
+
 void in (void * data, int size) {
 	fatal_failure (data == NULL, "in: Failed to read from standard input, data is null pointer.");
 	fatal_failure (size == 0,    "in: Failed to read from standard input, size is zero.");
@@ -174,6 +181,62 @@ void argument_delete (void) {
 	argument_function = deallocate (argument_function);
 }
 
+void file_list_import (char * name) {
+	++file_list_count;
+
+	file_list_active = file_list_count - 1;
+
+	file_list_mark = reallocate (file_list_mark, (int) sizeof (* file_list_mark) * file_list_count);
+	file_list_size = reallocate (file_list_size, (int) sizeof (* file_list_size) * file_list_count);
+	file_list_name = reallocate (file_list_name, (int) sizeof (* file_list_name) * file_list_count);
+	file_list_data = reallocate (file_list_data, (int) sizeof (* file_list_data) * file_list_count);
+
+	file_list_mark [file_list_count - 1] = -1;
+	file_list_size [file_list_count - 1] = -1;
+	file_list_name [file_list_count - 1] = NULL;
+	file_list_data [file_list_count - 1] = NULL;
+
+	file_list_name [file_list_count - 1] = allocate (string_length (name) + 1);
+
+	(void) string_copy_limit (file_list_name [file_list_count - 1], name, string_length (name) + 1);
+
+	file_list_mark [file_list_count - 1] = open (name, O_RDONLY);
+
+	file_list_size [file_list_count - 1] = (int) lseek (file_list_mark [file_list_count - 1], 0, SEEK_END) + 1;
+
+	(void) lseek (file_list_mark [file_list_count - 1], 0, SEEK_SET);
+
+	file_list_data [file_list_count - 1] = allocate (file_list_size [file_list_count - 1]);
+
+	(void) read (file_list_mark [file_list_count - 1], file_list_data [file_list_count - 1], (unsigned long int) (file_list_size [file_list_count - 1] - 1));
+
+	close (file_list_mark [file_list_count - 1]);
+
+	file_list_data [file_list_count - 1] [file_list_size [file_list_count - 1] - 1] = '\0';
+}
+
+void file_list_export (char * name) {
+	file_list_mark [file_list_active] = open (name, O_WRONLY | O_CREAT | O_TRUNC);
+
+	(void) write (file_list_mark [file_list_active], file_list_data [file_list_active], (unsigned long int) file_list_size [file_list_active]);
+
+	close (file_list_mark [file_list_active]);
+}
+
+void file_list_delete (void) {
+	int i;
+
+	for (i = 0; i != file_list_count; ++i) {
+		file_list_name [i] = deallocate (file_list_name [i]);
+		file_list_data [i] = deallocate (file_list_data [i]);
+	}
+
+	file_list_mark = deallocate (file_list_mark);
+	file_list_size = deallocate (file_list_size);
+	file_list_name = deallocate (file_list_name);
+	file_list_data = deallocate (file_list_data);
+}
+
 int file_open (char * name, int mode) {
 	int descriptor = -1;
 
@@ -249,10 +312,6 @@ int string_length (char * string) {
 	return (length);
 }
 
-void string_delete (char * string) {
-	string [0] = '\0';
-}
-
 void string_reverse (char * string) {
 	int i      = 0;
 	int length = 0;
@@ -266,6 +325,17 @@ void string_reverse (char * string) {
 	}
 }
 
+void string_delete (char * string, int length) {
+	int i;
+
+	fatal_failure (string == NULL, "string_delete: String is null.");
+	fatal_failure (length == 0,    "string_delete: String length is zero.");
+
+	for (i = 0; i != length; ++i) {
+		string [i] = '\0';
+	}
+}
+
 int string_compare (char * string_0, char * string_1) {
 	int i = 0;
 
@@ -317,7 +387,7 @@ int string_compare_limit (char * string_0, char * string_1, int limit) {
 	fatal_failure (string_0 == NULL, "string_compare_limit: Destination string is null.");
 	fatal_failure (string_1 == NULL, "string_compare_limit: Source string is null.");
 
-	for (i = 0; (string_0 [i] != '\0') && (string_1 [i] != '\0') && (i != limit); ++i) {
+	for (i = 0; i != limit; ++i) {
 		if (string_0 [i] != string_1 [i]) {
 			return (0);
 		}
@@ -327,8 +397,7 @@ int string_compare_limit (char * string_0, char * string_1, int limit) {
 }
 
 void string_copy_limit (char * string_0, char * string_1, int limit) {
-	int i      = 0;
-	int length = 0;
+	int i = 0;
 
 	fatal_failure (string_0 == NULL, "string_copy_limit: Destination string is null.");
 	fatal_failure (string_1 == NULL, "string_copy_limit: Source string is null.");
@@ -337,9 +406,7 @@ void string_copy_limit (char * string_0, char * string_1, int limit) {
 		return;
 	}
 
-	length = string_length (string_1);
-
-	for (i = 0; (i != length) && (i != limit); ++i) {
+	for (i = 0; i != limit; ++i) {
 		string_0 [i] = string_1 [i];
 	}
 }

xtandard.h

@@ -40,6 +40,13 @@ extern char  * * argument_nick;
 extern char  * * argument_name;
 extern void (* * argument_function) (void);
 
+extern int      file_list_active;
+extern int      file_list_count;
+extern int    * file_list_mark;
+extern int    * file_list_size;
+extern char * * file_list_name;
+extern char * * file_list_data;
+
 extern void in  (void *, int);
 extern void out (void *, int);
 
@@ -67,10 +74,15 @@ extern int  file_close  (int);
 extern void file_import (char *, void *);
 extern void file_export (char *, void *);
 
+extern void file_list_import (char *);
+extern void file_list_export (char *);
+extern void file_list_delete (void);
+
 extern int  string_length  (char *);
-extern void string_delete  (char *);
 extern void string_reverse (char *);
 
+extern void string_delete  (char *, int);
+
 extern int  string_compare     (char *, char *);
 extern void string_copy        (char *, char *);
 extern void string_concatenate (char *, char *);