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author | Jelmer Vernooij <jelmer@samba.org> | 2008-09-16 16:30:14 +0200 |
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committer | Jelmer Vernooij <jelmer@samba.org> | 2008-09-16 16:30:14 +0200 |
commit | 0888ffa2b7382a1c4781ae54bad53eac3b229365 (patch) | |
tree | 5a0fb9930c68f307954f87a9aa97e83740d3ab59 /source3/lib/replace/replace.c | |
parent | ec1c854f2175823bd1ad39c2e272d1b3fab80bf1 (diff) | |
download | samba-0888ffa2b7382a1c4781ae54bad53eac3b229365.tar.gz samba-0888ffa2b7382a1c4781ae54bad53eac3b229365.tar.bz2 samba-0888ffa2b7382a1c4781ae54bad53eac3b229365.zip |
Make Samba 3 and Samba 4 both use the same single copy of libreplace.
Diffstat (limited to 'source3/lib/replace/replace.c')
-rw-r--r-- | source3/lib/replace/replace.c | 616 |
1 files changed, 0 insertions, 616 deletions
diff --git a/source3/lib/replace/replace.c b/source3/lib/replace/replace.c deleted file mode 100644 index 98d799b07e..0000000000 --- a/source3/lib/replace/replace.c +++ /dev/null @@ -1,616 +0,0 @@ -/* - Unix SMB/CIFS implementation. - replacement routines for broken systems - Copyright (C) Andrew Tridgell 1992-1998 - - ** NOTE! The following LGPL license applies to the replace - ** library. This does NOT imply that all of Samba is released - ** under the LGPL - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 3 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, see <http://www.gnu.org/licenses/>. -*/ - -#include "replace.h" - -#include "system/filesys.h" -#include "system/time.h" -#include "system/passwd.h" -#include "system/syslog.h" -#include "system/locale.h" -#include "system/wait.h" - -void replace_dummy(void); -void replace_dummy(void) {} - -#ifndef HAVE_FTRUNCATE - /******************************************************************* -ftruncate for operating systems that don't have it -********************************************************************/ -int rep_ftruncate(int f, off_t l) -{ -#ifdef HAVE_CHSIZE - return chsize(f,l); -#elif defined(F_FREESP) - struct flock fl; - - fl.l_whence = 0; - fl.l_len = 0; - fl.l_start = l; - fl.l_type = F_WRLCK; - return fcntl(f, F_FREESP, &fl); -#else -#error "you must have a ftruncate function" -#endif -} -#endif /* HAVE_FTRUNCATE */ - - -#ifndef HAVE_STRLCPY -/* like strncpy but does not 0 fill the buffer and always null - terminates. bufsize is the size of the destination buffer */ -size_t rep_strlcpy(char *d, const char *s, size_t bufsize) -{ - size_t len = strlen(s); - size_t ret = len; - if (bufsize <= 0) return 0; - if (len >= bufsize) len = bufsize-1; - memcpy(d, s, len); - d[len] = 0; - return ret; -} -#endif - -#ifndef HAVE_STRLCAT -/* like strncat but does not 0 fill the buffer and always null - terminates. bufsize is the length of the buffer, which should - be one more than the maximum resulting string length */ -size_t rep_strlcat(char *d, const char *s, size_t bufsize) -{ - size_t len1 = strlen(d); - size_t len2 = strlen(s); - size_t ret = len1 + len2; - - if (len1+len2 >= bufsize) { - if (bufsize < (len1+1)) { - return ret; - } - len2 = bufsize - (len1+1); - } - if (len2 > 0) { - memcpy(d+len1, s, len2); - d[len1+len2] = 0; - } - return ret; -} -#endif - -#ifndef HAVE_MKTIME -/******************************************************************* -a mktime() replacement for those who don't have it - contributed by -C.A. Lademann <cal@zls.com> -Corrections by richard.kettlewell@kewill.com -********************************************************************/ - -#define MINUTE 60 -#define HOUR 60*MINUTE -#define DAY 24*HOUR -#define YEAR 365*DAY -time_t rep_mktime(struct tm *t) -{ - struct tm *u; - time_t epoch = 0; - int n; - int mon [] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }, - y, m, i; - - if(t->tm_year < 70) - return((time_t)-1); - - n = t->tm_year + 1900 - 1; - epoch = (t->tm_year - 70) * YEAR + - ((n / 4 - n / 100 + n / 400) - (1969 / 4 - 1969 / 100 + 1969 / 400)) * DAY; - - y = t->tm_year + 1900; - m = 0; - - for(i = 0; i < t->tm_mon; i++) { - epoch += mon [m] * DAY; - if(m == 1 && y % 4 == 0 && (y % 100 != 0 || y % 400 == 0)) - epoch += DAY; - - if(++m > 11) { - m = 0; - y++; - } - } - - epoch += (t->tm_mday - 1) * DAY; - epoch += t->tm_hour * HOUR + t->tm_min * MINUTE + t->tm_sec; - - if((u = localtime(&epoch)) != NULL) { - t->tm_sec = u->tm_sec; - t->tm_min = u->tm_min; - t->tm_hour = u->tm_hour; - t->tm_mday = u->tm_mday; - t->tm_mon = u->tm_mon; - t->tm_year = u->tm_year; - t->tm_wday = u->tm_wday; - t->tm_yday = u->tm_yday; - t->tm_isdst = u->tm_isdst; - } - - return(epoch); -} -#endif /* !HAVE_MKTIME */ - - -#ifndef HAVE_INITGROUPS -/**************************************************************************** - some systems don't have an initgroups call -****************************************************************************/ -int rep_initgroups(char *name, gid_t id) -{ -#ifndef HAVE_SETGROUPS - /* yikes! no SETGROUPS or INITGROUPS? how can this work? */ - errno = ENOSYS; - return -1; -#else /* HAVE_SETGROUPS */ - -#include <grp.h> - - gid_t *grouplst = NULL; - int max_gr = NGROUPS_MAX; - int ret; - int i,j; - struct group *g; - char *gr; - - if((grouplst = malloc(sizeof(gid_t) * max_gr)) == NULL) { - errno = ENOMEM; - return -1; - } - - grouplst[0] = id; - i = 1; - while (i < max_gr && ((g = (struct group *)getgrent()) != (struct group *)NULL)) { - if (g->gr_gid == id) - continue; - j = 0; - gr = g->gr_mem[0]; - while (gr && (*gr != (char)NULL)) { - if (strcmp(name,gr) == 0) { - grouplst[i] = g->gr_gid; - i++; - gr = (char *)NULL; - break; - } - gr = g->gr_mem[++j]; - } - } - endgrent(); - ret = setgroups(i, grouplst); - free(grouplst); - return ret; -#endif /* HAVE_SETGROUPS */ -} -#endif /* HAVE_INITGROUPS */ - - -#if (defined(SecureWare) && defined(SCO)) -/* This is needed due to needing the nap() function but we don't want - to include the Xenix libraries since that will break other things... - BTW: system call # 0x0c28 is the same as calling nap() */ -long nap(long milliseconds) { - return syscall(0x0c28, milliseconds); - } -#endif - - -#ifndef HAVE_MEMMOVE -/******************************************************************* -safely copies memory, ensuring no overlap problems. -this is only used if the machine does not have its own memmove(). -this is not the fastest algorithm in town, but it will do for our -needs. -********************************************************************/ -void *rep_memmove(void *dest,const void *src,int size) -{ - unsigned long d,s; - int i; - if (dest==src || !size) return(dest); - - d = (unsigned long)dest; - s = (unsigned long)src; - - if ((d >= (s+size)) || (s >= (d+size))) { - /* no overlap */ - memcpy(dest,src,size); - return(dest); - } - - if (d < s) { - /* we can forward copy */ - if (s-d >= sizeof(int) && - !(s%sizeof(int)) && - !(d%sizeof(int)) && - !(size%sizeof(int))) { - /* do it all as words */ - int *idest = (int *)dest; - int *isrc = (int *)src; - size /= sizeof(int); - for (i=0;i<size;i++) idest[i] = isrc[i]; - } else { - /* simplest */ - char *cdest = (char *)dest; - char *csrc = (char *)src; - for (i=0;i<size;i++) cdest[i] = csrc[i]; - } - } else { - /* must backward copy */ - if (d-s >= sizeof(int) && - !(s%sizeof(int)) && - !(d%sizeof(int)) && - !(size%sizeof(int))) { - /* do it all as words */ - int *idest = (int *)dest; - int *isrc = (int *)src; - size /= sizeof(int); - for (i=size-1;i>=0;i--) idest[i] = isrc[i]; - } else { - /* simplest */ - char *cdest = (char *)dest; - char *csrc = (char *)src; - for (i=size-1;i>=0;i--) cdest[i] = csrc[i]; - } - } - return(dest); -} -#endif /* HAVE_MEMMOVE */ - -#ifndef HAVE_STRDUP -/**************************************************************************** -duplicate a string -****************************************************************************/ -char *rep_strdup(const char *s) -{ - size_t len; - char *ret; - - if (!s) return(NULL); - - len = strlen(s)+1; - ret = (char *)malloc(len); - if (!ret) return(NULL); - memcpy(ret,s,len); - return(ret); -} -#endif /* HAVE_STRDUP */ - -#ifndef HAVE_SETLINEBUF -void rep_setlinebuf(FILE *stream) -{ - setvbuf(stream, (char *)NULL, _IOLBF, 0); -} -#endif /* HAVE_SETLINEBUF */ - -#ifndef HAVE_VSYSLOG -#ifdef HAVE_SYSLOG -void rep_vsyslog (int facility_priority, const char *format, va_list arglist) -{ - char *msg = NULL; - vasprintf(&msg, format, arglist); - if (!msg) - return; - syslog(facility_priority, "%s", msg); - free(msg); -} -#endif /* HAVE_SYSLOG */ -#endif /* HAVE_VSYSLOG */ - -#ifndef HAVE_STRNLEN -/** - Some platforms don't have strnlen -**/ - size_t rep_strnlen(const char *s, size_t max) -{ - size_t len; - - for (len = 0; len < max; len++) { - if (s[len] == '\0') { - break; - } - } - return len; -} -#endif - -#ifndef HAVE_STRNDUP -/** - Some platforms don't have strndup. -**/ -char *rep_strndup(const char *s, size_t n) -{ - char *ret; - - n = strnlen(s, n); - ret = malloc(n+1); - if (!ret) - return NULL; - memcpy(ret, s, n); - ret[n] = 0; - - return ret; -} -#endif - -#ifndef HAVE_WAITPID -int rep_waitpid(pid_t pid,int *status,int options) -{ - return wait4(pid, status, options, NULL); -} -#endif - -#ifndef HAVE_SETEUID -int rep_seteuid(uid_t euid) -{ -#ifdef HAVE_SETRESUID - return setresuid(-1, euid, -1); -#else -# error "You need a seteuid function" -#endif -} -#endif - -#ifndef HAVE_SETEGID -int rep_setegid(gid_t egid) -{ -#ifdef HAVE_SETRESGID - return setresgid(-1, egid, -1); -#else -# error "You need a setegid function" -#endif -} -#endif - -/******************************************************************* -os/2 also doesn't have chroot -********************************************************************/ -#ifndef HAVE_CHROOT -int rep_chroot(const char *dname) -{ - errno = ENOSYS; - return -1; -} -#endif - -/***************************************************************** - Possibly replace mkstemp if it is broken. -*****************************************************************/ - -#ifndef HAVE_SECURE_MKSTEMP -int rep_mkstemp(char *template) -{ - /* have a reasonable go at emulating it. Hope that - the system mktemp() isn't completly hopeless */ - char *p = mktemp(template); - if (!p) - return -1; - return open(p, O_CREAT|O_EXCL|O_RDWR, 0600); -} -#endif - -#ifndef HAVE_MKDTEMP -char *rep_mkdtemp(char *template) -{ - char *dname; - - if ((dname = mktemp(template))) { - if (mkdir(dname, 0700) >= 0) { - return dname; - } - } - - return NULL; -} -#endif - -/***************************************************************** - Watch out: this is not thread safe. -*****************************************************************/ - -#ifndef HAVE_PREAD -ssize_t rep_pread(int __fd, void *__buf, size_t __nbytes, off_t __offset) -{ - if (lseek(__fd, __offset, SEEK_SET) != __offset) { - return -1; - } - return read(__fd, __buf, __nbytes); -} -#endif - -/***************************************************************** - Watch out: this is not thread safe. -*****************************************************************/ - -#ifndef HAVE_PWRITE -ssize_t rep_pwrite(int __fd, const void *__buf, size_t __nbytes, off_t __offset) -{ - if (lseek(__fd, __offset, SEEK_SET) != __offset) { - return -1; - } - return write(__fd, __buf, __nbytes); -} -#endif - -#ifndef HAVE_STRCASESTR -char *rep_strcasestr(const char *haystack, const char *needle) -{ - const char *s; - size_t nlen = strlen(needle); - for (s=haystack;*s;s++) { - if (toupper(*needle) == toupper(*s) && - strncasecmp(s, needle, nlen) == 0) { - return (char *)((uintptr_t)s); - } - } - return NULL; -} -#endif - -#ifndef HAVE_STRTOK_R -/* based on GLIBC version, copyright Free Software Foundation */ -char *rep_strtok_r(char *s, const char *delim, char **save_ptr) -{ - char *token; - - if (s == NULL) s = *save_ptr; - - s += strspn(s, delim); - if (*s == '\0') { - *save_ptr = s; - return NULL; - } - - token = s; - s = strpbrk(token, delim); - if (s == NULL) { - *save_ptr = token + strlen(token); - } else { - *s = '\0'; - *save_ptr = s + 1; - } - - return token; -} -#endif - -#ifndef HAVE_STRTOLL -long long int rep_strtoll(const char *str, char **endptr, int base) -{ -#ifdef HAVE_STRTOQ - return strtoq(str, endptr, base); -#elif defined(HAVE___STRTOLL) - return __strtoll(str, endptr, base); -#elif SIZEOF_LONG == SIZEOF_LONG_LONG - return (long long int) strtol(str, endptr, base); -#else -# error "You need a strtoll function" -#endif -} -#endif - - -#ifndef HAVE_STRTOULL -unsigned long long int rep_strtoull(const char *str, char **endptr, int base) -{ -#ifdef HAVE_STRTOUQ - return strtouq(str, endptr, base); -#elif defined(HAVE___STRTOULL) - return __strtoull(str, endptr, base); -#elif SIZEOF_LONG == SIZEOF_LONG_LONG - return (unsigned long long int) strtoul(str, endptr, base); -#else -# error "You need a strtoull function" -#endif -} -#endif - -#ifndef HAVE_SETENV -int rep_setenv(const char *name, const char *value, int overwrite) -{ - char *p; - size_t l1, l2; - int ret; - - if (!overwrite && getenv(name)) { - return 0; - } - - l1 = strlen(name); - l2 = strlen(value); - - p = malloc(l1+l2+2); - if (p == NULL) { - return -1; - } - memcpy(p, name, l1); - p[l1] = '='; - memcpy(p+l1+1, value, l2); - p[l1+l2+1] = 0; - - ret = putenv(p); - if (ret != 0) { - free(p); - } - - return ret; -} -#endif - -#ifndef HAVE_UNSETENV -int rep_unsetenv(const char *name) -{ - extern char **environ; - size_t len = strlen(name); - size_t i, count; - - if (environ == NULL || getenv(name) == NULL) { - return 0; - } - - for (i=0;environ[i];i++) /* noop */ ; - - count=i; - - for (i=0;i<count;) { - if (strncmp(environ[i], name, len) == 0 && environ[i][len] == '=') { - /* note: we do _not_ free the old variable here. It is unsafe to - do so, as the pointer may not have come from malloc */ - memmove(&environ[i], &environ[i+1], (count-i)*sizeof(char *)); - count--; - } else { - i++; - } - } - - return 0; -} -#endif - -#ifndef HAVE_UTIME -int rep_utime(const char *filename, const struct utimbuf *buf) -{ - errno = ENOSYS; - return -1; -} -#endif - -#ifndef HAVE_UTIMES -int rep_utimes(const char *filename, const struct timeval tv[2]) -{ - struct utimbuf u; - - u.actime = tv[0].tv_sec; - if (tv[0].tv_usec > 500000) { - u.actime += 1; - } - - u.modtime = tv[1].tv_sec; - if (tv[1].tv_usec > 500000) { - u.modtime += 1; - } - - return utime(filename, &u); -} -#endif |