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a/src/utils/readfile.cpp |
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b/src/utils/readfile.cpp |
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#ifndef lint
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#ifndef lint
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static char rcsid[] = "@(#$Id: readfile.cpp,v 1.3 2006-01-23 13:32:28 dockes Exp $ (C) 2004 J.F.Dockes";
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static char rcsid[] = "@(#$Id: readfile.cpp,v 1.4 2007-06-02 08:30:42 dockes Exp $ (C) 2004 J.F.Dockes";
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#endif
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#endif
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/*
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/*
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* This program is free software; you can redistribute it and/or modify
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* the Free Software Foundation; either version 2 of the License, or
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... |
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... |
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using std::string;
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using std::string;
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#endif /* NO_NAMESPACES */
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#endif /* NO_NAMESPACES */
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#include "readfile.h"
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#include "readfile.h"
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bool file_to_string(const string &fn, string &data)
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bool file_to_string(const string &fn, string &data, string *reason)
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{
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{
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#define ERRBUFSZ 200
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char errbuf[ERRBUFSZ];
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bool ret = false;
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bool ret = false;
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int fd = open(fn.c_str(), O_RDONLY|O_STREAMING);
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int fd = open(fn.c_str(), O_RDONLY|O_STREAMING);
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if (fd < 0) {
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if (fd < 0) {
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// perror("open");
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if (reason) {
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strerror_r(errno, errbuf, ERRBUFSZ);
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*reason += string("file_to_string: open failed: ") + errbuf;
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}
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return false;
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return false;
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}
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}
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char buf[4096];
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char buf[4096];
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for (;;) {
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for (;;) {
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int n = read(fd, buf, 4096);
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int n = read(fd, buf, 4096);
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if (n < 0) {
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if (n < 0) {
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// perror("read");
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if (reason) {
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strerror_r(errno, errbuf, ERRBUFSZ);
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*reason += string("file_to_string: read failed: ") + errbuf;
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}
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goto out;
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goto out;
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}
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}
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if (n == 0)
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if (n == 0)
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break;
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break;
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try {
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try {
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data.append(buf, n);
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data.append(buf, n);
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} catch (...) {
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} catch (...) {
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// fprintf(stderr, "file_to_string: out of memory\n");
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if (reason) {
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strerror_r(errno, errbuf, ERRBUFSZ);
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*reason += string("file_to_string: out of memory? : ") +errbuf;
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}
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goto out;
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goto out;
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}
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}
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}
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}
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ret = true;
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ret = true;
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