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GCC Code Coverage Report

Directory:	src/		Exec	Total	Coverage
File:	src/fs/mkdir.cpp	Lines:	22	25	88.0 %
Date:	2021-03-17	Branches:	13	22	59.1 %


/*
 *  The ManaPlus Client
 *  Copyright (C) 2010  The Mana Developers
 *  Copyright (C) 2011-2019  The ManaPlus Developers
 *  Copyright (C) 2019-2021  Andrei Karas
 *
 *  This file is part of The ManaPlus Client.
 *
 *  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
 *  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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "fs/mkdir.h"

#include "utils/cast.h"

#if defined WIN32
#include <limits.h>
#include <windows.h>
#endif  // defined WIN32

#include <sys/stat.h>

#include "debug.h"

#if defined WIN32
int mkdir_r(const char *const pathname)
{
    if (!pathname)
        return -1;

    char tmp[PATH_MAX];
    char tmp2[PATH_MAX];
    char *p;

    if (strlen(pathname) >= PATH_MAX - 2)
        return -1;

    strncpy(tmp, pathname, sizeof(tmp) - 1);
    tmp[PATH_MAX - 1] = '\0';

    const int len = CAST_S32(strlen(tmp));

    if (len < 1 || len >= INT_MAX)
        return -1;

    // terminate the pathname with '/'
    if (tmp[len - 1] != '/')
    {
        tmp[len] = '/';
        tmp[len + 1] = '\0';
    }

    for (p = tmp; *p; p++)
    {
        if (*p == '/' || *p == '\\')
        {
            *p = '\0';
            // ignore a slash at the beginning of a path
            if (tmp[0] == 0)
            {
                *p = '/';
                continue;
            }

            strcpy(tmp2, tmp);
            char *p2 = tmp2 + strlen(tmp2) - 1;
            if (*p2 == '/' || *p2 == '\\')
                *p2 = 0;
            // check if the name already exists, but not as directory
            struct stat statbuf;
            if (!stat(tmp2, &statbuf))
            {
                if (S_ISDIR(statbuf.st_mode))
                {
                    *p = '/';
                    continue;
                }
                else
                    return -1;
            }

            if (!CreateDirectory(tmp2, nullptr))
            {
                // hack, hack. just assume that x: might be a drive
                // letter, and try again
                if (!(strlen(tmp2) == 2 && !strcmp(tmp2 + 1, ":")))
                    return -1;
            }

            *p = '/';
        }
    }
    return 0;
}
#else  // WIN32

/// Create a directory, making leading components first if necessary
int mkdir_r(const char *const pathname)
{
    if (pathname == nullptr)
        return -1;

    const size_t len = CAST_SIZE(strlen(pathname));
    char *tmp = new char[len + 2];
    char *p = nullptr;

    strcpy(tmp, pathname);

    // terminate the pathname with '/'
    if (tmp[len - 1] != '/')
    {
        tmp[len] = '/';
        tmp[len + 1] = '\0';
    }

    for (p = tmp; *p != 0; p++)
    {
        if (*p == '/')
        {
            *p = '\0';
            // ignore a slash at the beginning of a path
            if (tmp[0] == 0)
            {
                *p = '/';
                continue;
            }

            // check if the name already exists, but not as directory
            struct stat statbuf;
            if (stat(tmp, &statbuf) == 0)
            {
                if (S_ISDIR(statbuf.st_mode))
                {
                    *p = '/';
                    continue;
                }
                else
                {
                    delete []tmp;
                    return -1;
                }
            }

            if (mkdir(tmp, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH) != 0)
            {
                delete []tmp;
                return -1;
            }

            *p = '/';
        }
    }
    delete []tmp;
    return 0;
}
#endif  // WIN32


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/*
2			* The ManaPlus Client
3			* Copyright (C) 2010 The Mana Developers
4			* Copyright (C) 2011-2019 The ManaPlus Developers
5			* Copyright (C) 2019-2021 Andrei Karas
6			*
7			* This file is part of The ManaPlus Client.
8			*
9			* This program is free software; you can redistribute it and/or modify
10			* it under the terms of the GNU General Public License as published by
11			* the Free Software Foundation; either version 2 of the License, or
12			* any later version.
13			*
14			* This program is distributed in the hope that it will be useful,
15			* but WITHOUT ANY WARRANTY; without even the implied warranty of
16			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17			* GNU General Public License for more details.
18			*
19			* You should have received a copy of the GNU General Public License
20			* along with this program. If not, see <http://www.gnu.org/licenses/>.
21			*/
22
23			#include "fs/mkdir.h"
24
25			#include "utils/cast.h"
26
27			#if defined WIN32
28			#include <limits.h>
29			#include <windows.h>
30			#endif // defined WIN32
31
32			#include <sys/stat.h>
33
34			#include "debug.h"
35
36			#if defined WIN32
37			int mkdir_r(const char *const pathname)
38			{
39			if (!pathname)
40			return -1;
41
42			char tmp[PATH_MAX];
43			char tmp2[PATH_MAX];
44			char *p;
45
46			if (strlen(pathname) >= PATH_MAX - 2)
47			return -1;
48
49			strncpy(tmp, pathname, sizeof(tmp) - 1);
50			tmp[PATH_MAX - 1] = '\0';
51
52			const int len = CAST_S32(strlen(tmp));
53
54			if (len < 1 \|\| len >= INT_MAX)
55			return -1;
56
57			// terminate the pathname with '/'
58			if (tmp[len - 1] != '/')
59			{
60			tmp[len] = '/';
61			tmp[len + 1] = '\0';
62			}
63
64			for (p = tmp; *p; p++)
65			{
66			if (p == '/' \|\| p == '\\')
67			{
68			*p = '\0';
69			// ignore a slash at the beginning of a path
70			if (tmp[0] == 0)
71			{
72			*p = '/';
73			continue;
74			}
75
76			strcpy(tmp2, tmp);
77			char *p2 = tmp2 + strlen(tmp2) - 1;
78			if (p2 == '/' \|\| p2 == '\\')
79			*p2 = 0;
80			// check if the name already exists, but not as directory
81			struct stat statbuf;
82			if (!stat(tmp2, &statbuf))
83			{
84			if (S_ISDIR(statbuf.st_mode))
85			{
86			*p = '/';
87			continue;
88			}
89			else
90			return -1;
91			}
92
93			if (!CreateDirectory(tmp2, nullptr))
94			{
95			// hack, hack. just assume that x: might be a drive
96			// letter, and try again
97			if (!(strlen(tmp2) == 2 && !strcmp(tmp2 + 1, ":")))
98			return -1;
99			}
100
101			*p = '/';
102			}
103			}
104			return 0;
105			}
106			#else // WIN32
107
108			/// Create a directory, making leading components first if necessary
109		985	int mkdir_r(const char *const pathname)
110			{
111	✓✗	985	if (pathname == nullptr)
112			return -1;
113
114		985	const size_t len = CAST_SIZE(strlen(pathname));
115		985	char *tmp = new char[len + 2];
116		985	char *p = nullptr;
117
118		985	strcpy(tmp, pathname);
119
120			// terminate the pathname with '/'
121	✓✗	985	if (tmp[len - 1] != '/')
122			{
123		985	tmp[len] = '/';
124		985	tmp[len + 1] = '\0';
125			}
126
127	✓✓	53551	for (p = tmp; *p != 0; p++)
128			{
129	✓✓	26283	if (*p == '/')
130			{
131		5300	*p = '\0';
132			// ignore a slash at the beginning of a path
133	✓✓	5300	if (tmp[0] == 0)
134			{
135		983	*p = '/';
136		6275	continue;
137			}
138
139			// check if the name already exists, but not as directory
140			struct stat statbuf;
141	✓✓	4317	if (stat(tmp, &statbuf) == 0)
142			{
143	✓✗	4309	if (S_ISDIR(statbuf.st_mode))
144			{
145		4309	*p = '/';
146		4309	continue;
147			}
148			else
149			{
150			delete []tmp;
151			return -1;
152			}
153			}
154
155	✗✓	8	if (mkdir(tmp, S_IRWXU \| S_IRWXG \| S_IROTH \| S_IXOTH) != 0)
156			{
157			delete []tmp;
158			return -1;
159			}
160
161		8	*p = '/';
162			}
163			}
164	✓✗	985	delete []tmp;
165			return 0;
166			}
167			#endif // WIN32