aboutsummaryrefslogtreecommitdiff
path: root/src/varchar.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/varchar.h')
-rw-r--r--src/varchar.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/src/varchar.h b/src/varchar.h
new file mode 100644
index 0000000..7dd15e3
--- /dev/null
+++ b/src/varchar.h
@@ -0,0 +1,79 @@
+/*
+
+ casm - Simple, portable assembler
+
+ Copyright (C) 2003-2015 Ian Cowburn (ianc@noddybox.demon.co.uk)
+
+ 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
+
+ -------------------------------------------------------------------------
+
+ Simple dynamic variable length string.
+
+*/
+
+#ifndef CASM_VARCHAR_H
+#define CASM_VARCHAR_H
+
+typedef struct varchar Varchar;
+
+/* ---------------------------------------- INTERFACES
+*/
+
+/* Create a new string. Initial contents set to pointer if not NULL.
+*/
+Varchar *VarcharCreate(const char *initial);
+
+
+/* Add a character to a string. Returns the passed Varchar.
+*/
+Varchar *VarcharAddChar(Varchar *str, int c);
+
+
+/* Add a string to the string. Returns the passed Varchar.
+*/
+Varchar *VarcharAdd(Varchar *str, const char *c);
+
+
+/* Adds a formatted string to the string. The formatted string must be less
+ than 1024 character or it will be truncated. Returns the passed Varchar.
+*/
+Varchar *VarcharPrintf(Varchar *str, const char *fmt, ...);
+
+
+/* Get the contents of a string, keeping ownership of it
+*/
+const char *VarcharContents(Varchar *str);
+
+
+/* Transfer the contents of a string, so that the returned string can be
+ freed. The Varchar container is destroyed and should not be used again.
+*/
+char *VarcharTransfer(Varchar *str);
+
+
+/* Clear a Varchar back to an empty string.
+*/
+void VarcharClear(Varchar *str);
+
+
+/* Release the string and the container.
+*/
+void VarcharFree(Varchar *str);
+
+#endif
+
+/*
+vim: ai sw=4 ts=8 expandtab
+*/