Better modularization of the tesh source code

[simgrid.git] / tools / tesh / buff.c

diff --git a/tools/tesh/buff.c b/tools/tesh/buff.c
new file mode 100644 (file)
index 0000000..4c8cbd6
--- /dev/null
+++ b/tools/tesh/buff.c
@@ -0,0 +1,63 @@
+/* $Id$ */
+
+/* buff -- buffers as needed by tesh                                        */
+
+/* Copyright (c) 2007 Martin Quinson.                                       */
+/* All rights reserved.                                                     */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+/* specific to Borland Compiler */
+#ifdef __BORLANDDC__
+#pragma hdrstop
+#endif
+
+#include "buff.h"
+
+/**
+ ** Buffer code
+ **/
+
+void buff_empty(buff_t *b) {
+  b->used=0;
+  b->data[0]='\n';
+  b->data[1]='\0';
+}
+buff_t *buff_new(void) {
+  buff_t *res=malloc(sizeof(buff_t));
+  res->data=malloc(512);
+  res->size=512;
+  buff_empty(res);
+  return res;
+}
+void buff_free(buff_t *b) {
+  if (b) {
+    if (b->data)
+      free(b->data);
+    free(b);
+  }
+}
+void buff_append(buff_t *b, char *toadd) {
+  int addlen=strlen(toadd);
+  int needed_space=b->used+addlen+1;
+
+  if (needed_space > b->size) {
+    b->data = realloc(b->data, needed_space);
+    b->size = needed_space;
+  }
+  strcpy(b->data+b->used, toadd);
+  b->used += addlen;  
+}
+void buff_chomp(buff_t *b) {
+  while (b->data[b->used] == '\n') {
+    b->data[b->used] = '\0';
+    if (b->used)
+      b->used--;
+  }
+}
+
+void buff_trim(buff_t* b) {
+  xbt_str_trim(b->data," ");
+  b->used = strlen(b->data);
+}