From e611b132f9b8abe35b362e5870b74bce94a1e58e Mon Sep 17 00:00:00 2001 From: Adam Date: Sat, 16 May 2020 20:51:50 -0700 Subject: initial commit --- private/crt32/dos/dosmap.c | 252 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 252 insertions(+) create mode 100644 private/crt32/dos/dosmap.c (limited to 'private/crt32/dos/dosmap.c') diff --git a/private/crt32/dos/dosmap.c b/private/crt32/dos/dosmap.c new file mode 100644 index 000000000..c84e399eb --- /dev/null +++ b/private/crt32/dos/dosmap.c @@ -0,0 +1,252 @@ +/*** +*dosmap.c - Maps OS errors to errno values +* +* Copyright (c) 1989-1993, Microsoft Corporation. All rights reserved. +* +*Purpose: +* _dosmaperr: Maps OS errors to errno values +* +*Revision History: +* 06-06-89 PHG Module created, based on asm version +* 06-16-89 PHG Changed name to _dosmaperr +* 08-22-89 JCR ERROR_INVALID_DRIVE (15) now maps to ENOENT not EXDEV +* 03-07-90 GJF Made calling type _CALLTYPE1, added #include +* and fixed copyright. Also, cleaned up the +* formatting a bit. +* 09-27-90 GJF New-style function declarator. +* 12-04-90 SRW Changed to include instead of +* 12-06-90 SRW Added _CRUISER_ and _WIN32 conditionals. +* 04-26-91 SRW Added ERROR_LOCK_VIOLATION translation to EACCES +* 08-15-91 GJF Multi-thread support for Win32. +* 03-31-92 GJF Added more error codes (Win32 only) and removed OS/2 +* specific nomenclature. +* 07-29-92 GJF Added ERROR_FILE_EXISTS to table for Win32. It gets +* mapped it to EEXIST. +* 09-14-92 SRW Added ERROR_BAD_PATHNAME table for Win32. It gets +* mapped it to ENOENT. +* 10-02-92 GJF Map ERROR_INVALID_PARAMETER to EINVAL (rather than +* EACCES). Added ERROR_NOT_LOCKED and mapped it to +* EACCES. Added ERROR_DIR_NOT_EMPTY and mapped it to +* ENOTEMPTY. +* 02-16-93 GJF Changed for new _getptd(). +* +*******************************************************************************/ + +#include +#include +#include +#include +#include +#include + +/* This is the error table that defines the mapping between OS/2 and + System V error values */ + +struct errentry { + unsigned char oscode; /* OS return value */ + unsigned char errnocode; /* System V error code */ +}; + +#ifdef _CRUISER_ + +static struct errentry errtable[] = { + { ERROR_INVALID_FUNCTION, EINVAL }, /* 1 */ + { ERROR_FILE_NOT_FOUND, ENOENT }, /* 2 */ + { ERROR_PATH_NOT_FOUND, ENOENT }, /* 3 */ + { ERROR_TOO_MANY_OPEN_FILES, EMFILE }, /* 4 */ + { ERROR_ACCESS_DENIED, EACCES }, /* 5 */ + { ERROR_INVALID_HANDLE, EBADF }, /* 6 */ + { ERROR_ARENA_TRASHED, ENOMEM }, /* 7 */ + { ERROR_NOT_ENOUGH_MEMORY, ENOMEM }, /* 8 */ + { ERROR_INVALID_BLOCK, ENOMEM }, /* 9 */ + { ERROR_BAD_ENVIRONMENT, E2BIG }, /* 10 */ + { ERROR_BAD_FORMAT, ENOEXEC }, /* 11 */ + { ERROR_INVALID_ACCESS, EINVAL }, /* 12 */ + { ERROR_INVALID_DATA, EINVAL }, /* 13 */ + { ERROR_INVALID_DRIVE, ENOENT }, /* 15 */ + { ERROR_CURRENT_DIRECTORY, EACCES }, /* 16 */ + { ERROR_NOT_SAME_DEVICE, EXDEV }, /* 17 */ + { ERROR_NO_MORE_FILES, ENOENT }, /* 18 */ + { ERROR_LOCK_VIOLATION, EACCES }, /* 33 */ + { ERROR_BAD_NETPATH, ENOENT }, /* 53 */ + { ERROR_NETWORK_ACCESS_DENIED, EACCES }, /* 65 */ + { ERROR_BAD_NET_NAME, ENOENT }, /* 67 */ + { ERROR_CANNOT_MAKE, EACCES }, /* 82 */ + { ERROR_FAIL_I24, EACCES }, /* 83 */ + { ERROR_INVALID_PARAMETER, EINVAL }, /* 87 */ + { ERROR_NO_PROC_SLOTS, EAGAIN }, /* 89 */ + { ERROR_DRIVE_LOCKED, EACCES }, /* 108 */ + { ERROR_BROKEN_PIPE, EPIPE }, /* 109 */ + { ERROR_DISK_FULL, ENOSPC }, /* 112 */ + { ERROR_INVALID_TARGET_HANDLE, EBADF }, /* 114 */ + { ERROR_INVALID_HANDLE, EINVAL }, /* 124 */ + { ERROR_WAIT_NO_CHILDREN, ECHILD }, /* 128 */ + { ERROR_CHILD_NOT_COMPLETE, ECHILD }, /* 129 */ + { ERROR_DIRECT_ACCESS_HANDLE, EBADF }, /* 130 */ + { ERROR_SEEK_ON_DEVICE, EACCES }, /* 132 */ + { ERROR_MAX_THRDS_REACHED, EAGAIN }, /* 164 */ + { ERROR_FILENAME_EXCED_RANGE, ENOENT }, /* 206 */ + { ERROR_NESTING_NOT_ALLOWED, EAGAIN } /* 215 */ +}; + +#else /* ndef _CRUISER_ */ + +#ifdef _WIN32_ + +static struct errentry errtable[] = { + { ERROR_INVALID_FUNCTION, EINVAL }, /* 1 */ + { ERROR_FILE_NOT_FOUND, ENOENT }, /* 2 */ + { ERROR_PATH_NOT_FOUND, ENOENT }, /* 3 */ + { ERROR_TOO_MANY_OPEN_FILES, EMFILE }, /* 4 */ + { ERROR_ACCESS_DENIED, EACCES }, /* 5 */ + { ERROR_INVALID_HANDLE, EBADF }, /* 6 */ + { ERROR_ARENA_TRASHED, ENOMEM }, /* 7 */ + { ERROR_NOT_ENOUGH_MEMORY, ENOMEM }, /* 8 */ + { ERROR_INVALID_BLOCK, ENOMEM }, /* 9 */ + { ERROR_BAD_ENVIRONMENT, E2BIG }, /* 10 */ + { ERROR_BAD_FORMAT, ENOEXEC }, /* 11 */ + { ERROR_INVALID_ACCESS, EINVAL }, /* 12 */ + { ERROR_INVALID_DATA, EINVAL }, /* 13 */ + { ERROR_INVALID_DRIVE, ENOENT }, /* 15 */ + { ERROR_CURRENT_DIRECTORY, EACCES }, /* 16 */ + { ERROR_NOT_SAME_DEVICE, EXDEV }, /* 17 */ + { ERROR_NO_MORE_FILES, ENOENT }, /* 18 */ + { ERROR_LOCK_VIOLATION, EACCES }, /* 33 */ + { ERROR_BAD_NETPATH, ENOENT }, /* 53 */ + { ERROR_NETWORK_ACCESS_DENIED, EACCES }, /* 65 */ + { ERROR_BAD_NET_NAME, ENOENT }, /* 67 */ + { ERROR_FILE_EXISTS, EEXIST }, /* 80 */ + { ERROR_CANNOT_MAKE, EACCES }, /* 82 */ + { ERROR_FAIL_I24, EACCES }, /* 83 */ + { ERROR_INVALID_PARAMETER, EINVAL }, /* 87 */ + { ERROR_NO_PROC_SLOTS, EAGAIN }, /* 89 */ + { ERROR_DRIVE_LOCKED, EACCES }, /* 108 */ + { ERROR_BROKEN_PIPE, EPIPE }, /* 109 */ + { ERROR_DISK_FULL, ENOSPC }, /* 112 */ + { ERROR_INVALID_TARGET_HANDLE, EBADF }, /* 114 */ + { ERROR_INVALID_HANDLE, EINVAL }, /* 124 */ + { ERROR_WAIT_NO_CHILDREN, ECHILD }, /* 128 */ + { ERROR_CHILD_NOT_COMPLETE, ECHILD }, /* 129 */ + { ERROR_DIRECT_ACCESS_HANDLE, EBADF }, /* 130 */ + { ERROR_NEGATIVE_SEEK, EINVAL }, /* 131 */ + { ERROR_SEEK_ON_DEVICE, EACCES }, /* 132 */ + { ERROR_DIR_NOT_EMPTY, ENOTEMPTY }, /* 145 */ + { ERROR_NOT_LOCKED, EACCES }, /* 158 */ + { ERROR_BAD_PATHNAME, ENOENT }, /* 161 */ + { ERROR_MAX_THRDS_REACHED, EAGAIN }, /* 164 */ + { ERROR_LOCK_FAILED, EACCES }, /* 167 */ + { ERROR_ALREADY_EXISTS, EEXIST }, /* 183 */ + { ERROR_FILENAME_EXCED_RANGE, ENOENT }, /* 206 */ + { ERROR_NESTING_NOT_ALLOWED, EAGAIN } /* 215 */ +}; + +#else /* ndef _WIN32 */ + +#error ERROR - ONLY CRUISER, WIN32, OR MAC TARGET SUPPORTED! + +#endif /* _WIN32_ */ + +#endif /* _CRUISER_ */ + +/* size of the table */ +#define ERRTABLESIZE (sizeof(errtable)/sizeof(errtable[0])) + +/* The following two constants must be the minimum and maximum + values in the (contiguous) range of Exec Failure errors. */ +#define MIN_EXEC_ERROR ERROR_INVALID_STARTING_CODESEG +#define MAX_EXEC_ERROR ERROR_INFLOOP_IN_RELOC_CHAIN + +/* These are the low and high value in the range of errors that are + access violations */ +#define MIN_EACCES_RANGE ERROR_WRITE_PROTECT +#define MAX_EACCES_RANGE ERROR_SHARING_BUFFER_EXCEEDED + + +/*** +*void _dosmaperr(ULONG oserrno) - Map function number +* +*Purpose: +* This function takes an OS error number, and maps it to the +* corresponding errno value (based on UNIX System V values). The +* OS error number is stored in _doserrno (and the mapped value is +* stored in errno) +* +*Entry: +* ULONG os2errno = OS error value +* +*Exit: +* sets _doserrno and errno. +* +*Exceptions: +* +*******************************************************************************/ + +void _CRTAPI1 _dosmaperr ( + ULONG oserrno + ) +{ + int i; + + _doserrno = oserrno; /* set _doserrno */ + + /* check the table for the OS error code */ + for (i = 0; i < ERRTABLESIZE; ++i) { + if (oserrno == errtable[i].oscode) { + errno = errtable[i].errnocode; + return; + } + } + + /* The error code wasn't in the table. We check for a range of */ + /* EACCES errors or exec failure errors (ENOEXEC). Otherwise */ + /* EINVAL is returned. */ + + if (oserrno >= MIN_EACCES_RANGE && oserrno <= MAX_EACCES_RANGE) + errno = EACCES; + else if (oserrno >= MIN_EXEC_ERROR && oserrno <= MAX_EXEC_ERROR) + errno = ENOEXEC; + else + errno = EINVAL; +} + +#ifdef MTHREAD + +#ifdef _WIN32_ + +/*** +*int * _errno() - return pointer to thread's errno +*unsigned long * __doserrno() - return pointer to thread's _doserrno +* +*Purpose: +* _errno() returns a pointer to the _terrno field in the current +* thread's _tiddata structure. +* __doserrno returns a pointer to the _tdoserrno field in the current +* thread's _tiddata structure +* +*Entry: +* None. +* +*Exit: +* See above. +* +*Exceptions: +* +*******************************************************************************/ + +int * _CRTAPI1 _errno( + void + ) +{ + return ( &(_getptd()->_terrno) ); +} + +unsigned long * _CRTAPI1 __doserrno( + void + ) +{ + return ( &(_getptd()->_tdoserrno) ); +} + +#endif /* _WIN32_ */ + +#endif /* MTHREAD */ -- cgit v1.2.3