+++ /dev/null
-/** @file\r
- Internal function to generate temporary file name for tmpnam.\r
-\r
- Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>\r
- This program and the accompanying materials are licensed and made available\r
- under the terms and conditions of the BSD License that accompanies this\r
- distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php.\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
- Copyright (c) 1987, 1993\r
- The Regents of the University of California. All rights reserved.\r
-\r
- Redistribution and use in source and binary forms, with or without\r
- modification, are permitted provided that the following conditions\r
- are met:\r
- 1. Redistributions of source code must retain the above copyright\r
- notice, this list of conditions and the following disclaimer.\r
- 2. Redistributions in binary form must reproduce the above copyright\r
- notice, this list of conditions and the following disclaimer in the\r
- documentation and/or other materials provided with the distribution.\r
- 3. Neither the name of the University nor the names of its contributors\r
- may be used to endorse or promote products derived from this software\r
- without specific prior written permission.\r
-\r
- THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND\r
- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE\r
- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r
- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r
- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r
- LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r
- OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r
- SUCH DAMAGE.\r
-\r
- mktemp.c 8.1 (Berkeley) 6/4/93\r
- NetBSD: gettemp.c,v 1.13 2003/12/05 00:57:36 uebayasi Exp\r
-**/\r
-#include <LibConfig.h>\r
-\r
-#if HAVE_NBTOOL_CONFIG_H\r
-#include "nbtool_config.h"\r
-#endif\r
-\r
-#if !defined(HAVE_NBTOOL_CONFIG_H) || !defined(HAVE_MKSTEMP) || !defined(HAVE_MKDTEMP)\r
-\r
-#include <sys/EfiCdefs.h>\r
-\r
-#include <sys/types.h>\r
-#include <sys/stat.h>\r
-\r
-#include <assert.h>\r
-#include <ctype.h>\r
-#include <errno.h>\r
-#include <fcntl.h>\r
-#include <stdio.h>\r
-#include <stdlib.h>\r
-#include <unistd.h>\r
-\r
-#if HAVE_NBTOOL_CONFIG_H\r
-#define GETTEMP gettemp\r
-#else\r
-#include "reentrant.h"\r
-#include "local.h"\r
-#define GETTEMP __gettemp\r
-#endif\r
-\r
-int\r
-GETTEMP(\r
- char *path,\r
- int *doopen,\r
- int domkdir\r
- )\r
-{\r
- char *start, *trv;\r
- struct stat sbuf;\r
-\r
- /* To guarantee multiple calls generate unique names even if\r
- the file is not created. 676 different possibilities with 7\r
- or more X's, 26 with 6 or less. */\r
- static char xtra[] = "aa";\r
- int xcnt = 0;\r
-\r
- _DIAGASSERT(path != NULL);\r
- /* doopen may be NULL */\r
-\r
- /* Move to end of path and count trailing X's. */\r
- for (trv = path; *trv; ++trv) {\r
- if (*trv == 'X') {\r
- xcnt++;\r
- }\r
- else {\r
- xcnt = 0;\r
- }\r
- }\r
-\r
- /* Use at least one from xtra. Use 2 if more than 6 X's. */\r
- if (*(trv - 1) == 'X')\r
- *--trv = xtra[0];\r
- if (xcnt > 6 && *(trv - 1) == 'X')\r
- *--trv = xtra[1];\r
-\r
- /* Set remaining X's to 0's. */\r
- while (*--trv == 'X') {\r
- *trv = '0';\r
- }\r
-\r
- /* update xtra for next call. */\r
- if (xtra[0] != 'z')\r
- xtra[0]++;\r
- else {\r
- xtra[0] = 'a';\r
- if (xtra[1] != 'z')\r
- xtra[1]++;\r
- else\r
- xtra[1] = 'a';\r
- }\r
-\r
- /*\r
- * check the target directory; if you have six X's and it\r
- * doesn't exist this runs for a *very* long time.\r
- */\r
- for (start = trv + 1;; --trv) {\r
- if (trv <= path)\r
- break;\r
- if (*trv == '/') {\r
- *trv = '\0';\r
- if (stat(path, &sbuf))\r
- return (0);\r
- if (!S_ISDIR(sbuf.st_mode)) {\r
- errno = ENOTDIR;\r
- return (0);\r
- }\r
- *trv = '/';\r
- break;\r
- }\r
- }\r
-\r
- for (;;) {\r
- if (doopen) {\r
- if ((*doopen =\r
- open(path, O_CREAT | O_EXCL | O_RDWR, 0600)) >= 0)\r
- return (1);\r
- if (errno != EEXIST)\r
- return (0);\r
- } else if (domkdir) {\r
- if (mkdir(path, 0700) >= 0)\r
- return (1);\r
- if (errno != EEXIST)\r
- return (0);\r
- } else if (lstat(path, &sbuf))\r
- return (errno == ENOENT ? 1 : 0);\r
-\r
- /* tricky little algorithm for backward compatibility */\r
- for (trv = start;;) {\r
- if (!*trv)\r
- return (0);\r
- if (*trv == 'z') {\r
- *trv++ = 'a';\r
- }\r
- else {\r
- if (isdigit((unsigned char)*trv))\r
- *trv = 'a';\r
- else\r
- ++*trv;\r
- break;\r
- }\r
- }\r
- }\r
- /*NOTREACHED*/\r
-}\r
-\r
-#endif /* !HAVE_NBTOOL_CONFIG_H || !HAVE_MKSTEMP || !HAVE_MKDTEMP */\r
projects / mirror_edk2.git / blobdiff