File: read name

gsat.geany

@@ -41,7 +41,7 @@ FILE_NAME_8=4638;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDocuments%2Fprojects%2Fpr
 FILE_NAME_9=881;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDocuments%2Fprojects%2Fprgm%2Flanguage%2FGSAT%2Fsrc%2Flib%2Flog.h;0;8
 FILE_NAME_10=17855;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDocuments%2Fprojects%2Fprgm%2Flanguage%2FGSAT%2Fsrc%2Flib%2Fgrammar.c;0;8
 FILE_NAME_11=6839;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDocuments%2Fprojects%2Fprgm%2Flanguage%2FGSAT%2Fsrc%2Flib%2Fgrammar.h;0;8
-FILE_NAME_12=5937;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDocuments%2Fprojects%2Fprgm%2Flanguage%2FGSAT%2Fsrc%2Flib%2Ffile.c;0;8
+FILE_NAME_12=7572;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDocuments%2Fprojects%2Fprgm%2Flanguage%2FGSAT%2Fsrc%2Flib%2Ffile.c;0;8
 FILE_NAME_13=1457;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDocuments%2Fprojects%2Fprgm%2Flanguage%2FGSAT%2Fsrc%2Flib%2Ffile.h;0;8
 FILE_NAME_14=1282;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDocuments%2Fprojects%2Fprgm%2Flanguage%2FGSAT%2Fsrc%2Flib%2Fword.c;0;8
 FILE_NAME_15=908;C;0;EUTF-8;1;1;0;%2Fhome%2Fjonathan%2FDocuments%2Fprojects%2Fprgm%2Flanguage%2FGSAT%2Fsrc%2Flib%2Fword.h;0;8

src/lib/file.c

@@ -38,6 +38,12 @@ struct GR_File
 };
 
 
+#define BUFFER_SIZE 32
+
+#define SOH 1
+#define STX 2
+
+
 /*@null@*/
 /*@only@*/
 struct GR_File *
@@ -207,6 +213,11 @@ bool
 File_read_fileversion (struct GR_File * file,
                        /*@null@*/ /*@out@*/ struct GR_Status * status);
 
+static inline
+bool
+File_read_name (struct GR_File * file,
+                /*@null@*/ /*@out@*/ struct GR_Status * status);
+
 static inline
 bool
 File_read (struct GR_File * file,
@@ -214,9 +225,10 @@ File_read (struct GR_File * file,
 {
 	if (!File_read_open (file, status)) return FALSE;
 
-	if (TRUE
-	&& (!File_read_filetype (file, status))
-	&& (!File_read_fileversion (file, status)))
+	if (FALSE
+	|| (!File_read_filetype (file, status))
+	|| (!File_read_fileversion (file, status))
+	|| (!File_read_name (file, status)))
 	{
 		File_close (file, status);
 		return FALSE;
@@ -311,3 +323,95 @@ File_read_fileversion (struct GR_File * file,
 	set_success (status);
 	return TRUE;
 }
+
+static inline
+bool
+File_read_name (struct GR_File * file,
+                /*@null@*/ /*@out@*/ struct GR_Status * status)
+{
+	char * buffer;
+	size_t index;
+	size_t size;
+	int c;
+
+	if (NULL == file->file)
+	{
+		set_status (status, E_STATE, 2, "file not opened");
+		return FALSE;
+	}
+
+	/* skip to SOH */
+	do
+	{
+		c = getc (file->file);
+	}
+	while ((EOF != c) && (SOH != c));
+
+	if (EOF == c)
+	{
+		if (0 != feof (file->file))
+		{
+			set_status (status, E_EOF, 4, "getc failed");
+		}
+		else
+		{
+			set_status (status, E_IO, 8, "getc failed");
+		}
+		return FALSE;
+	}
+
+	buffer = malloc (BUFFER_SIZE);
+	if (NULL == buffer)
+	{
+		set_status (status, E_ALLOC, 3, "malloc failed");
+		return FALSE;
+	}
+
+	index = 0;
+	size = BUFFER_SIZE;
+
+	/* read to STX */
+	do
+	{
+		if (index == size)
+		{
+			char * new_buffer;
+
+			size += BUFFER_SIZE;
+			new_buffer = realloc (buffer, size);
+			if (NULL == new_buffer)
+			{
+				set_status (status, E_ALLOC, 3,
+				            "malloc failed");
+				return FALSE;
+			}
+
+			buffer = new_buffer;
+		}
+
+		buffer[index] = c = getc (file->file);
+		index++;
+	}
+	while ((EOF != c) && (STX != c));
+
+	if (EOF == c)
+	{
+		if (0 != feof (file->file))
+		{
+			set_status (status, E_EOF, 4, "getc failed");
+		}
+		else
+		{
+			set_status (status, E_IO, 8, "getc failed");
+		}
+		return FALSE;
+	}
+
+	buffer[index] = '\0';
+
+	fprintf (stderr, "Name: %s\n", buffer);
+	free (buffer);
+
+	set_success (status);
+	return TRUE;
+}