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authorSergey Poznyakoff <gray@gnu.org.ua>2004-02-27 13:28:40 (GMT)
committer Sergey Poznyakoff <gray@gnu.org.ua>2004-02-27 13:28:40 (GMT)
commita783e2c18c6b566b2f4c2b06e6c388a9645c826c (patch) (side-by-side diff)
treeae12abc157dee99bd4c67bab25316be06d3519a2 /src/dstring.h
parentcb721df9888a296af824a4acab4916694d6dc35d (diff)
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+/* dstring.h - Dynamic string handling include file. Requires strings.h.
+ Copyright (C) 1990, 1991, 1992 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+/* A dynamic string consists of record that records the size of an
+ allocated string and the pointer to that string. The actual string
+ is a normal zero byte terminated string that can be used with the
+ usual string functions. The major difference is that the
+ dynamic_string routines know how to get more space if it is needed
+ by allocating new space and copying the current string. */
+
+typedef struct
+{
+ int ds_length; /* Actual amount of storage allocated. */
+ char *ds_string; /* String. */
+} dynamic_string;
+
+
+/* Macros that look similar to the original string functions.
+ WARNING: These macros work only on pointers to dynamic string records.
+ If used with a real record, an "&" must be used to get the pointer. */
+#define ds_strlen(s) strlen ((s)->ds_string)
+#define ds_strcmp(s1, s2) strcmp ((s1)->ds_string, (s2)->ds_string)
+#define ds_strncmp(s1, s2, n) strncmp ((s1)->ds_string, (s2)->ds_string, n)
+#define ds_index(s, c) index ((s)->ds_string, c)
+#define ds_rindex(s, c) rindex ((s)->ds_string, c)
+
+void ds_init ();
+void ds_resize ();
+char *ds_fgetname ();
+char *ds_fgets ();
+char *ds_fgetstr ();

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