diff options
Diffstat (limited to 'winsup/cygwin/miscfuncs.cc')
-rw-r--r-- | winsup/cygwin/miscfuncs.cc | 342 |
1 files changed, 0 insertions, 342 deletions
diff --git a/winsup/cygwin/miscfuncs.cc b/winsup/cygwin/miscfuncs.cc deleted file mode 100644 index 37ef3a49c..000000000 --- a/winsup/cygwin/miscfuncs.cc +++ /dev/null @@ -1,342 +0,0 @@ -/* miscfuncs.cc: misc funcs that don't belong anywhere else - - Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc. - -This file is part of Cygwin. - -This software is a copyrighted work licensed under the terms of the -Cygwin license. Please consult the file "CYGWIN_LICENSE" for -details. */ - -#define _WIN32_WINNT 0x400 -#include "winsup.h" -#include "cygerrno.h" -#include <sys/errno.h> -#include <sys/uio.h> -#include <assert.h> -#include <limits.h> -#include <winbase.h> -#include <winnls.h> -#include "cygthread.h" - -long tls_ix = -1; - -const char case_folded_lower[] NO_COPY = { - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, - 32, '!', '"', '#', '$', '%', '&', 39, '(', ')', '*', '+', ',', '-', '.', '/', - '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?', - '@', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', - 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '[', 92, ']', '^', '_', - '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', - 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~', 127, - 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, - 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, - 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, - 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, - 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, - 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, - 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, - 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255 -}; - -const char case_folded_upper[] NO_COPY = { - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, - 32, '!', '"', '#', '$', '%', '&', 39, '(', ')', '*', '+', ',', '-', '.', '/', - '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?', - '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', - 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[', 92, ']', '^', '_', - '`', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', - 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '{', '|', '}', '~', 127, - 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, - 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, - 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, - 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, - 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, - 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, - 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, - 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255 -}; - -const char isalpha_array[] NO_COPY = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20, -0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20, 0, 0, 0, 0, 0, - 0,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20, -0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -}; - -#define ch_case_eq(ch1, ch2) (cyg_tolower(ch1) == cyg_tolower(ch2)) - -#if 0 - -/* Return TRUE if two strings match up to length n */ -extern "C" int __stdcall -strncasematch (const char *s1, const char *s2, size_t n) -{ - if (s1 == s2) - return 1; - - n++; - while (--n && *s1) - { - if (!ch_case_eq (*s1, *s2)) - return 0; - s1++; s2++; - } - return !n || *s2 == '\0'; -} - -/* Return TRUE if two strings match */ -extern "C" int __stdcall -strcasematch (const char *s1, const char *s2) -{ - if (s1 == s2) - return 1; - - while (*s1) - { - if (!ch_case_eq (*s1, *s2)) - return 0; - s1++; s2++; - } - return *s2 == '\0'; -} -#endif - -extern "C" char * __stdcall -strcasestr (const char *searchee, const char *lookfor) -{ - if (*searchee == 0) - { - if (*lookfor) - return NULL; - return (char *) searchee; - } - - while (*searchee) - { - int i = 0; - while (1) - { - if (lookfor[i] == 0) - return (char *) searchee; - - if (!ch_case_eq (lookfor[i], searchee[i])) - break; - lookfor++; - } - searchee++; - } - - return NULL; -} - -int __stdcall -check_null_str (const char *name) -{ - if (name && !IsBadStringPtr (name, CYG_MAX_PATH)) - return 0; - - return EFAULT; -} - -int __stdcall -check_null_empty_str (const char *name) -{ - if (name && !IsBadStringPtr (name, CYG_MAX_PATH)) - return !*name ? ENOENT : 0; - - return EFAULT; -} - -int __stdcall -check_null_empty_str_errno (const char *name) -{ - int __err; - if ((__err = check_null_empty_str (name))) - set_errno (__err); - return __err; -} - -int __stdcall -check_null_str_errno (const char *name) -{ - int __err; - if ((__err = check_null_str (name))) - set_errno (__err); - return __err; -} - -int __stdcall -__check_null_invalid_struct (void *s, unsigned sz) -{ - if (s && !IsBadWritePtr (s, sz)) - return 0; - - return EFAULT; -} - -int __stdcall -__check_null_invalid_struct_errno (void *s, unsigned sz) -{ - int err; - if ((err = __check_null_invalid_struct (s, sz))) - set_errno (err); - return err; -} - -int __stdcall -__check_invalid_read_ptr (const void *s, unsigned sz) -{ - if (s && !IsBadReadPtr (s, sz)) - return 0; - return EFAULT; -} - -int __stdcall -__check_invalid_read_ptr_errno (const void *s, unsigned sz) -{ - if (s && !IsBadReadPtr (s, sz)) - return 0; - return set_errno (EFAULT); -} - -ssize_t -check_iovec_for_read (const struct iovec *iov, int iovcnt) -{ - if (iovcnt <= 0 || iovcnt > IOV_MAX) - { - set_errno (EINVAL); - return -1; - } - - if (__check_invalid_read_ptr_errno (iov, iovcnt * sizeof (*iov))) - return -1; - - size_t tot = 0; - - while (iovcnt != 0) - { - if (iov->iov_len > SSIZE_MAX || (tot += iov->iov_len) > SSIZE_MAX) - { - set_errno (EINVAL); - return -1; - } - - if (iov->iov_len - && __check_null_invalid_struct_errno (iov->iov_base, iov->iov_len)) - return -1; - - iov += 1; - iovcnt -= 1; - } - - assert (tot <= SSIZE_MAX); - - return (ssize_t) tot; -} - -ssize_t -check_iovec_for_write (const struct iovec *iov, int iovcnt) -{ - if (iovcnt <= 0 || iovcnt > IOV_MAX) - { - set_errno (EINVAL); - return -1; - } - - if (__check_invalid_read_ptr_errno (iov, iovcnt * sizeof (*iov))) - return -1; - - size_t tot = 0; - - while (iovcnt != 0) - { - if (iov->iov_len > SSIZE_MAX || (tot += iov->iov_len) > SSIZE_MAX) - { - set_errno (EINVAL); - return -1; - } - - if (iov->iov_len - && __check_invalid_read_ptr_errno (iov->iov_base, iov->iov_len)) - return -1; - - iov += 1; - iovcnt -= 1; - } - - assert (tot <= SSIZE_MAX); - - return (ssize_t) tot; -} - -UINT -get_cp () -{ - return current_codepage == ansi_cp ? GetACP() : GetOEMCP(); -} - -int __stdcall -sys_wcstombs (char *tgt, const WCHAR *src, int len) -{ - return WideCharToMultiByte (get_cp (), 0, src, -1, tgt, len, NULL, NULL); -} - -int __stdcall -sys_mbstowcs (WCHAR *tgt, const char *src, int len) -{ - return MultiByteToWideChar (get_cp (), 0, src, -1, tgt, len); -} - -extern "C" int -low_priority_sleep (DWORD secs) -{ - HANDLE thisthread = GetCurrentThread (); - int curr_prio = GetThreadPriority (thisthread); - bool staylow; - if (secs != INFINITE) - staylow = false; - else - { - secs = 0; - staylow = true; - } - - if (!secs && wincap.has_switch_to_thread ()) - { - for (int i = 0; i < 10; i++) - SwitchToThread (); - } - else - { - int new_prio; - if (GetCurrentThreadId () == cygthread::main_thread_id) - new_prio = THREAD_PRIORITY_LOWEST; - else - new_prio = GetThreadPriority (hMainThread); - - if (curr_prio != new_prio) - /* Force any threads in normal priority to be scheduled */ - SetThreadPriority (thisthread, new_prio); - Sleep (secs); - - if (!staylow && curr_prio != new_prio) - SetThreadPriority (thisthread, curr_prio); - } - - return curr_prio; -} |