2 * This file is part of the GROMACS molecular simulation package.
4 * Copyright (c) 1991-2000, University of Groningen, The Netherlands.
5 * Copyright (c) 2001-2004, The GROMACS development team.
6 * Copyright (c) 2013,2014,2015,2016,2017 by the GROMACS development team.
7 * Copyright (c) 2018,2019,2020,2021, by the GROMACS development team, led by
8 * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
9 * and including many others, as listed in the AUTHORS file in the
10 * top-level source directory and at http://www.gromacs.org.
12 * GROMACS is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public License
14 * as published by the Free Software Foundation; either version 2.1
15 * of the License, or (at your option) any later version.
17 * GROMACS is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with GROMACS; if not, see
24 * http://www.gnu.org/licenses, or write to the Free Software Foundation,
25 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
27 * If you want to redistribute modifications to GROMACS, please
28 * consider that scientific software is very special. Version
29 * control is crucial - bugs must be traceable. We will be happy to
30 * consider code for inclusion in the official distribution, but
31 * derived work must not be called official GROMACS. Details are found
32 * in the README & COPYING files - if they are missing, get the
33 * official version at http://www.gromacs.org.
35 * To help us fund GROMACS development, we humbly ask that you cite
36 * the research papers on the package. Check out http://www.gromacs.org.
46 #include "gromacs/utility/cstringutil.h"
47 #include "gromacs/utility/fatalerror.h"
48 #include "gromacs/utility/futil.h"
49 #include "gromacs/utility/smalloc.h"
51 gmx_bool get_a_line(FILE* fp, char line[], int n)
53 char* line0 = nullptr;
60 if (!fgets(line0, n + 1, fp))
65 dum = std::strchr(line0, '\n');
70 else if (static_cast<int>(std::strlen(line0)) == n)
73 "Warning: line length exceeds buffer length (%d), data might be corrupted\n",
79 fprintf(stderr, "Warning: file does not end with a newline, last line:\n%s\n", line0);
81 dum = std::strchr(line0, ';');
86 std::strncpy(line, line0, n);
89 } while (dum[0] == '\0');
95 gmx_bool get_header(char line[], char* header)
97 std::string temp = line;
98 auto index = temp.find('[');
99 if (index == std::string::npos)
104 index = temp.find(']', index);
105 if (index == std::string::npos)
107 gmx_fatal(FARGS, "header is not terminated on line:\n'%s'\n", line);
111 return sscanf(temp.c_str(), "%s%*s", header) == 1;
114 int search_str(int nstr, char** str, char* key)
117 for (int i = 0; (i < nstr); i++)
119 if (gmx_strcasecmp(str[i], key) == 0)
128 static int fget_lines(FILE* in, const char* db, char*** strings)
130 char** ptr = nullptr;
134 char* pret = fgets(buf, STRLEN, in);
135 if (pret == nullptr || sscanf(buf, "%d", &nstr) != 1)
137 gmx_warning("File is empty");
143 for (int i = 0; (i < nstr); i++)
145 if (fgets2(buf, STRLEN, in) == nullptr)
147 /* i+1 because index starts from 0, line numbering from 1 and
148 * additional +1 since first line in the file is used for the line
150 gmx_fatal(FARGS, "Cannot read string from buffer (file %s, line %d)", db, i + 2);
152 ptr[i] = gmx_strdup(buf);
160 int get_lines(const char* db, char*** strings)
162 gmx::FilePtr in = gmx::openLibraryFile(db);
163 return fget_lines(in.get(), db, strings);