/usr/include/colib/strbuf.h is in libiulib-dev 0.4+is+0.3-3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright 2006 Deutsches Forschungszentrum fuer Kuenstliche Intelligenz
// or its licensors, as applicable.
// Copyright 1995-2005 Thomas M. Breuel.
//
// You may not use this file except under the terms of the accompanying license.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you
// may not use this file except in compliance with the License. You may
// obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Project: iulib -- image understanding library
// File: strbuf.h
// Purpose: string buffer
// Responsible: tmb
// Reviewer:
// Primary Repository:
// Web Sites: www.iupr.org, www.dfki.de
#ifndef strbuf_h__
#define strbuf_h__
/// \file strbuf.h
/// \brief String buffer
namespace colib {
struct strbuf {
char *buf;
strbuf() {
buf = 0;
}
strbuf(int n) {
buf = 0;
ensure(n);
}
~strbuf() {
dealloc();
}
void dealloc() {
if(buf) free(buf);
buf = 0;
}
void ensure(int n) {
if(!buf) buf = (char*)malloc(n+1);
else buf = (char*)realloc(buf,n+1);
}
int length() {
if(!buf) return 0;
return strlen(buf);
}
operator bool() {
return !!buf;
}
void operator=(const char *src) {
ensure(strlen(src));
strcpy(buf,src);
}
void operator=(strbuf &other) {
*this = other.buf;
}
void operator+=(const char *other) {
if(!other) return;
ensure(length()+strlen(other));
strcat(buf,other);
}
void operator+=(strbuf &other) {
if(!other.buf) return;
ensure(length()+strlen(other.buf));
strcat(buf,other.buf);
}
operator char*() {
return buf;
}
char *take() {
char *result = buf;
buf = 0;
return result;
}
};
struct utf8buf {
char *buf;
utf8buf() {
buf = 0;
}
~utf8buf() {
dealloc();
}
void dealloc() {
if(buf) free(buf);
buf = 0;
}
void ensure(int n) {
if(buf) free(buf);
buf = (char*)malloc(n+1);
}
void operator=(const char *src) {
ensure(strlen(src));
strcpy(buf,src);
}
void operator=(utf8buf &other) {
*this = other.buf;
}
operator char*() {
return buf;
}
char *take() {
char *result = buf;
buf = 0;
return result;
}
};
}
#endif /* strbuf_h__ */
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