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try putting it all in one .c file

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Allen Webster
2021-07-20 20:25:05 -07:00
parent 6a00e92c8f
commit 81292bfb24
5 changed files with 2830 additions and 2897 deletions
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source/md.c
+2830 -13
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source/md_impl.c
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source/md_linux.c
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// LICENSE AT END OF FILE (MIT).
#include <dirent.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/syscall.h>
// NOTE(mal): To get these constants I need to #define _GNU_SOURCE, which invites non-POSIX behavior I'd rather avoid
#ifndef O_PATH
#define O_PATH 010000000
#endif
#define AT_NO_AUTOMOUNT 0x800
#define AT_SYMLINK_NOFOLLOW 0x100
#define MD_IMPL_FileIterIncrement MD_LINUX_FileIterIncrement
typedef struct MD_LINUX_FileIter MD_LINUX_FileIter;
struct MD_LINUX_FileIter
{
int dir_fd;
DIR *dir;
};
MD_StaticAssert(sizeof(MD_LINUX_FileIter) <= sizeof(MD_FileIter), file_iter_size_check);
static MD_b32
MD_LINUX_FileIterIncrement(MD_FileIter *opaque_it, MD_String8 path, MD_FileInfo *out_info)
{
MD_b32 result = 0;
MD_LINUX_FileIter *it = (MD_LINUX_FileIter *)opaque_it;
if(it->dir == 0)
{
it->dir = opendir((char*)path.str);
it->dir_fd = open((char *)path.str, O_PATH|O_CLOEXEC);
}
if(it->dir != 0 && it->dir_fd != -1)
{
struct dirent *dir_entry = readdir(it->dir);
if(dir_entry)
{
out_info->filename = MD_S8Fmt("%s", dir_entry->d_name);
out_info->flags = 0;
struct stat st;
if(fstatat(it->dir_fd, dir_entry->d_name, &st, AT_NO_AUTOMOUNT|AT_SYMLINK_NOFOLLOW) == 0)
{
if((st.st_mode & S_IFMT) == S_IFDIR)
{
out_info->flags |= MD_FileFlag_Directory;
}
out_info->file_size = st.st_size;
}
result = 1;
}
}
if(result == 0)
{
if(it->dir != 0)
{
closedir(it->dir);
it->dir = 0;
}
if(it->dir_fd != -1)
{
close(it->dir_fd);
it->dir_fd = -1;
}
}
return result;
}
/*
Copyright 2021 Dion Systems LLC
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
source/md_malloc.c
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// LICENSE AT END OF FILE (MIT).
////////////////////////////////
// TODO(allen): Write commentary for all of this.
#define MD_IMPL_Alloc(size) MD_MALLOC_Alloc(size)
static void*
MD_MALLOC_Alloc(MD_u64 size)
{
return(malloc(size));
}
/*
Copyright 2021 Dion Systems LLC
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
source/md_win32.c
-107
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// LICENSE AT END OF FILE (MIT).
////////////////////////////////
// TODO(allen): Write commentary for all of this.
#define MAX_PATH 260
typedef unsigned long DWORD;
typedef unsigned short WORD;
typedef int BOOL;
typedef void *HANDLE;
typedef char CHAR;
typedef const CHAR *LPCSTR;
typedef struct _FILETIME _FILETIME;
struct _FILETIME
{
DWORD dwLowDateTime;
DWORD dwHighDateTime;
};
typedef _FILETIME FILETIME;
typedef _FILETIME *PFILETIME;
typedef _FILETIME *LPFILETIME;
typedef struct _WIN32_FIND_DATAA _WIN32_FIND_DATAA;
struct _WIN32_FIND_DATAA
{
#define FILE_ATTRIBUTE_DIRECTORY 0x10
DWORD dwFileAttributes;
FILETIME ftCreationTime;
FILETIME ftLastAccessTime;
FILETIME ftLastWriteTime;
DWORD nFileSizeHigh;
DWORD nFileSizeLow;
DWORD dwReserved0;
DWORD dwReserved1;
CHAR cFileName[MAX_PATH];
CHAR cAlternateFileName[14];
DWORD dwFileType;
DWORD dwCreatorType;
WORD wFinderFlags;
};
typedef _WIN32_FIND_DATAA WIN32_FIND_DATAA;
typedef _WIN32_FIND_DATAA *PWIN32_FIND_DATAA;
typedef _WIN32_FIND_DATAA *LPWIN32_FIND_DATAA;
MD_C_LINKAGE_BEGIN
HANDLE FindFirstFileA(LPCSTR lpFileName, LPWIN32_FIND_DATAA lpFindFileData);
BOOL FindNextFileA(HANDLE hFindFile, LPWIN32_FIND_DATAA lpFindFileData);
MD_C_LINKAGE_END
#pragma comment(lib, "User32.lib")
#define MD_IMPL_FileIterIncrement MD_WIN32_FileIterIncrement
static MD_b32
MD_WIN32_FileIterIncrement(MD_FileIter *it, MD_String8 path, MD_FileInfo *out_info)
{
MD_b32 result = 0;
WIN32_FIND_DATAA find_data = MD_ZERO_STRUCT;
HANDLE state = *(HANDLE *)(&it->state[0]);
if(state == 0)
{
MD_b32 need_star = 0;
if(path.str[path.size-1] == '/' ||
path.str[path.size-1] == '\\')
{
need_star = 1;
}
MD_String8 cpath = need_star ? MD_S8Fmt("%.*s*", MD_S8VArg(path)) : path;
state = FindFirstFileA((char*)cpath.str, &find_data);
result = !!state;
}
else
{
result = !!FindNextFileA(state, &find_data);
}
it->state[0] = *(MD_u64 *)(&state);
if(result)
{
out_info->flags = 0;
if(find_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
out_info->flags |= MD_FileFlag_Directory;
}
out_info->filename = MD_S8Fmt("%s", find_data.cFileName);
out_info->file_size = ((((MD_u64)find_data.nFileSizeHigh) << 32) |
((MD_u64)find_data.nFileSizeLow));
}
return result;
}
/*
Copyright 2021 Dion Systems LLC
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/