/* util.{cc,hh} -- various bits * * Copyright (c) 2003-2019 Eddie Kohler * * 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 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. */ #ifdef HAVE_CONFIG_H # include #endif #include "util.hh" #include #include #include #include #include #include #if defined(_MSDOS) || defined(_WIN32) # include # include #endif String read_file(String filename, ErrorHandler *errh, bool warning) { FILE *f; if (!filename || filename == "-") { filename = ""; f = stdin; #if defined(_MSDOS) || defined(_WIN32) // Set the file mode to binary _setmode(_fileno(f), _O_BINARY); #endif } else if (!(f = fopen(filename.c_str(), "rb"))) { errh->xmessage((warning ? errh->e_warning : errh->e_error) + ErrorHandler::make_landmark_anno(filename), strerror(errno)); return String(); } StringAccum sa; int amt; do { if (char *x = sa.reserve(8192)) { amt = fread(x, 1, 8192, f); sa.adjust_length(amt); } else amt = 0; } while (amt != 0); if (!feof(f) || ferror(f)) errh->xmessage((warning ? errh->e_warning : errh->e_error) + ErrorHandler::make_landmark_anno(filename), strerror(errno)); if (f != stdin) fclose(f); return sa.take_string(); } String printable_filename(const String &s) { if (!s || s == "-") return String::make_stable(""); else return s; } String pathname_filename(const String &path) { int slash = path.find_right('/'); if (slash >= 0 && slash != path.length() - 1) return path.substring(slash + 1); else return path; }