From 532544a9a1556bbe9ab06e751279ad2fface1a29 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Axel=20D=C3=B6rfler?= Date: Wed, 1 Sep 2004 12:04:21 +0000 Subject: [PATCH] Added mktemp() and friends from FreeBSD - calls not part of the POSIX specs are currently disabled. Removed unnecessary grist from source files. git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8769 a95241bf-73f2-0310-859d-f6bbb57e9c96 --- src/kernel/libroot/posix/stdlib/Jamfile | 41 +++--- src/kernel/libroot/posix/stdlib/mktemp.c | 172 +++++++++++++++++++++++ 2 files changed, 193 insertions(+), 20 deletions(-) create mode 100644 src/kernel/libroot/posix/stdlib/mktemp.c diff --git a/src/kernel/libroot/posix/stdlib/Jamfile b/src/kernel/libroot/posix/stdlib/Jamfile index 2b843c6063..49546af0e8 100644 --- a/src/kernel/libroot/posix/stdlib/Jamfile +++ b/src/kernel/libroot/posix/stdlib/Jamfile @@ -1,25 +1,26 @@ SubDir OBOS_TOP src kernel libroot posix stdlib ; KernelMergeObject posix_stdlib.o : - <$(SOURCE_GRIST)>abs.c - <$(SOURCE_GRIST)>atof.c - <$(SOURCE_GRIST)>atoi.c - <$(SOURCE_GRIST)>bsearch.c - <$(SOURCE_GRIST)>div.c - <$(SOURCE_GRIST)>env.c - <$(SOURCE_GRIST)>exit.c - <$(SOURCE_GRIST)>heapsort.c - <$(SOURCE_GRIST)>merge.c - <$(SOURCE_GRIST)>multibyte.c - <$(SOURCE_GRIST)>qsort.c - <$(SOURCE_GRIST)>radixsort.c - <$(SOURCE_GRIST)>rand.c - <$(SOURCE_GRIST)>random.c - <$(SOURCE_GRIST)>realpath.c - <$(SOURCE_GRIST)>strtod.c - <$(SOURCE_GRIST)>strtol.c - <$(SOURCE_GRIST)>strtoll.c - <$(SOURCE_GRIST)>strtoul.c - <$(SOURCE_GRIST)>strtoull.c + abs.c + atof.c + atoi.c + bsearch.c + div.c + env.c + exit.c + heapsort.c + merge.c + mktemp.c + multibyte.c + qsort.c + radixsort.c + rand.c + random.c + realpath.c + strtod.c + strtol.c + strtoll.c + strtoul.c + strtoull.c : -fPIC -DPIC ; diff --git a/src/kernel/libroot/posix/stdlib/mktemp.c b/src/kernel/libroot/posix/stdlib/mktemp.c new file mode 100644 index 0000000000..378cb555fd --- /dev/null +++ b/src/kernel/libroot/posix/stdlib/mktemp.c @@ -0,0 +1,172 @@ +/* + * Copyright (c) 1987, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + + +static int _gettemp(char *, int *, int, int); + +static const unsigned char padchar[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; + + +#if 0 +int +mkstemps(char *path, int slen) +{ + int fd; + return _gettemp(path, &fd, 0, slen) ? fd : -1; +} +#endif + + +int +mkstemp(char *path) +{ + int fd; + if (_gettemp(path, &fd, 0, 0)) + return fd; + + return -1; +} + + +#if 0 +char * +mkdtemp(path) + char *path; +{ + return (_gettemp(path, (int *)NULL, 1, 0) ? path : (char *)NULL); +} +#endif + + +char * +mktemp(char *path) +{ + if (_gettemp(path, (int *)NULL, 0, 0)) + return path; + + return NULL; +} + + +static int +_gettemp(char *path, int *doopen, int domkdir, int slen) +{ + char *start, *trv, *suffp; + char *pad; + struct stat sbuf; + int rval; + + if (doopen != NULL && domkdir) { + errno = EINVAL; + return 0; + } + + for (trv = path; *trv != '\0'; ++trv) + ; + + trv -= slen; + suffp = trv; + --trv; + if (trv < path) { + errno = EINVAL; + return 0; + } + + /* Fill space with random characters */ + while (trv >= path && *trv == 'X') { + uint32_t value = rand() % (sizeof(padchar) - 1); + *trv-- = padchar[value]; + } + start = trv + 1; + + /* + * check the target directory. + */ + if (doopen != NULL || domkdir) { + for (; trv > path; --trv) { + if (*trv == '/') { + *trv = '\0'; + rval = stat(path, &sbuf); + *trv = '/'; + if (rval != 0) + return 0; + if (!S_ISDIR(sbuf.st_mode)) { + errno = ENOTDIR; + return 0; + } + break; + } + } + } + + for (;;) { + if (doopen) { + if ((*doopen = open(path, O_CREAT|O_EXCL|O_RDWR, 0600)) >= 0) + return 1; + if (errno != EEXIST) + return 0; + } else if (domkdir) { + if (mkdir(path, 0700) == 0) + return 1; + if (errno != EEXIST) + return 0; + } else if (lstat(path, &sbuf)) + return errno == ENOENT; + + /* If we have a collision, cycle through the space of filenames */ + for (trv = start;;) { + if (*trv == '\0' || trv == suffp) + return 0; + pad = strchr(padchar, *trv); + if (pad == NULL || *++pad == '\0') + *trv++ = padchar[0]; + else { + *trv++ = *pad; + break; + } + } + } + + /* not reached */ +}