Atlas - SDL_sysfilesystem.cc
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1/*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2025 Sam Lantinga <[email protected]>
4
5  This software is provided 'as-is', without any express or implied
6  warranty.  In no event will the authors be held liable for any damages
7  arising from the use of this software.
8
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12
13  1. The origin of this software must not be misrepresented; you must not
14     claim that you wrote the original software. If you use this software
15     in a product, an acknowledgment in the product documentation would be
16     appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18     misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20*/
21#include "SDL_internal.h"
22
23#ifdef SDL_FILESYSTEM_HAIKU
24
25/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
26// System dependent filesystem routines
27
28extern "C" {
29#include "../SDL_sysfilesystem.h"
30}
31
32#include <kernel/image.h>
33#include <storage/Directory.h>
34#include <storage/Entry.h>
35#include <storage/FindDirectory.h>
36#include <storage/Path.h>
37
38
39char *SDL_SYS_GetBasePath(void)
40{
41    char name[MAXPATHLEN];
42
43    if (find_path(B_APP_IMAGE_SYMBOL, B_FIND_PATH_IMAGE_PATH, NULL, name, sizeof(name)) != B_OK) {
44        return NULL;
45    }
46
47    BEntry entry(name, true);
48    BPath path;
49    status_t rc = entry.GetPath(&path);  // (path) now has binary's path.
50    SDL_assert(rc == B_OK);
51    rc = path.GetParent(&path); // chop filename, keep directory.
52    SDL_assert(rc == B_OK);
53    const char *str = path.Path();
54    SDL_assert(str != NULL);
55
56    const size_t len = SDL_strlen(str);
57    char *result = (char *) SDL_malloc(len + 2);
58    if (result) {
59        SDL_memcpy(result, str, len);
60        result[len] = '/';
61        result[len+1] = '\0';
62    }
63
64    return result;
65}
66
67
68char *SDL_SYS_GetPrefPath(const char *org, const char *app)
69{
70    // !!! FIXME: is there a better way to do this?
71    const char *home = SDL_getenv("HOME");
72    const char *append = "/config/settings/";
73    size_t len = SDL_strlen(home);
74
75    if (!len || (home[len - 1] == '/')) {
76        ++append; // home empty or ends with separator, skip the one from append
77    }
78    len += SDL_strlen(append) + SDL_strlen(org) + SDL_strlen(app) + 3;
79    char *result = (char *) SDL_malloc(len);
80    if (result) {
81        if (*org) {
82            SDL_snprintf(result, len, "%s%s%s/%s/", home, append, org, app);
83        } else {
84            SDL_snprintf(result, len, "%s%s%s/", home, append, app);
85        }
86        create_directory(result, 0700);  // Haiku api: creates missing dirs
87    }
88
89    return result;
90}
91
92char *SDL_SYS_GetUserFolder(SDL_Folder folder)
93{
94    const char *home = NULL;
95    char *result;
96
97    home = SDL_getenv("HOME");
98    if (!home) {
99        SDL_SetError("No $HOME environment variable available");
100        return NULL;
101    }
102
103    switch (folder) {
104    case SDL_FOLDER_HOME:
105        result = (char *) SDL_malloc(SDL_strlen(home) + 2);
106        if (!result) {
107            return NULL;
108        }
109
110        if (SDL_snprintf(result, SDL_strlen(home) + 2, "%s/", home) < 0) {
111            SDL_SetError("Couldn't snprintf home path for Haiku: %s", home);
112            SDL_free(result);
113            return NULL;
114        }
115
116        return result;
117
118        // TODO: Is Haiku's desktop folder always ~/Desktop/ ?
119    case SDL_FOLDER_DESKTOP:
120        result = (char *) SDL_malloc(SDL_strlen(home) + 10);
121        if (!result) {
122            return NULL;
123        }
124
125        if (SDL_snprintf(result, SDL_strlen(home) + 10, "%s/Desktop/", home) < 0) {
126            SDL_SetError("Couldn't snprintf desktop path for Haiku: %s/Desktop/", home);
127            SDL_free(result);
128            return NULL;
129        }
130
131        return result;
132
133    case SDL_FOLDER_DOCUMENTS:
134    case SDL_FOLDER_DOWNLOADS:
135    case SDL_FOLDER_MUSIC:
136    case SDL_FOLDER_PICTURES:
137    case SDL_FOLDER_PUBLICSHARE:
138    case SDL_FOLDER_SAVEDGAMES:
139    case SDL_FOLDER_SCREENSHOTS:
140    case SDL_FOLDER_TEMPLATES:
141    case SDL_FOLDER_VIDEOS:
142    default:
143        SDL_SetError("Only HOME and DESKTOP available on Haiku");
144        return NULL;
145    }
146}
147
148#endif // SDL_FILESYSTEM_HAIKU
149
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