Unix SMB/Netbios implementation.
Version 1.9.
replacement routines for broken systems
- Copyright (C) Andrew Tridgell 1992-1995
+ Copyright (C) Andrew Tridgell 1992-1998
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "includes.h"
- void replace_dummy(void)
-{}
+extern int DEBUGLEVEL;
+
+ void replace_dummy(void);
+ void replace_dummy(void) {}
-#ifdef REPLACE_STRLEN
-/****************************************************************************
-a replacement strlen() that returns int for solaris
-****************************************************************************/
- int Strlen(char *s)
-{
- int ret=0;
- if (!s) return(0);
- while (*s++) ret++;
- return(ret);
-}
-#endif
-#ifdef NO_FTRUNCATE
+#ifndef HAVE_FTRUNCATE
/*******************************************************************
ftruncate for operating systems that don't have it
********************************************************************/
- int ftruncate(int f,long l)
+ int ftruncate(int f,SMB_OFF_T l)
{
struct flock fl;
fl.l_type = F_WRLCK;
return fcntl(f, F_FREESP, &fl);
}
-#endif
-
+#endif /* HAVE_FTRUNCATE */
-#ifdef REPLACE_STRSTR
-/****************************************************************************
-Mips version of strstr doesn't seem to work correctly.
-There is a #define in includes.h to redirect calls to this function.
-****************************************************************************/
-char *Strstr(char *s, char *p)
-{
- int len = strlen(p);
-
- while ( *s != '\0' ) {
- if ( strncmp(s, p, len) == 0 )
- return s;
- s++;
- }
-
- return NULL;
-}
-#endif /* REPLACE_STRSTR */
-
-#ifdef REPLACE_MKTIME
+#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 Mktime(struct tm *t)
+ time_t 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 +
- (t->tm_year / 4 - 70 / 4 - t->tm_year / 100) * DAY;
+ ((n / 4 - n / 100 + n / 400) - (1969 / 4 - 1969 / 100 + 1969 / 400)) * DAY;
y = t->tm_year;
m = 0;
t->tm_wday = u->tm_wday;
t->tm_yday = u->tm_yday;
t->tm_isdst = u->tm_isdst;
-#ifndef NO_TM_NAME
- memcpy(t->tm_name, u->tm_name, LTZNMAX);
-#endif
}
return(epoch);
}
-#endif /* REPLACE_MKTIME */
+#endif /* !HAVE_MKTIME */
-#ifdef REPLACE_RENAME
+#ifndef HAVE_RENAME
/* Rename a file. (from libiberty in GNU binutils) */
- int rename (zfrom, zto)
- const char *zfrom;
- const char *zto;
+ int rename(const char *zfrom, const char *zto)
{
if (link (zfrom, zto) < 0)
{
}
return unlink (zfrom);
}
-#endif
+#endif /* HAVE_RENAME */
-#ifdef REPLACE_INNETGR
+#ifndef HAVE_INNETGR
+#if defined(HAVE_SETNETGRENT) && defined(HAVE_GETNETGRENT) && defined(HAVE_ENDNETGRENT)
/*
* Search for a match in a netgroup. This replaces it on broken systems.
*/
-int InNetGr(char *group,char *host,char *user,char *dom)
+ int innetgr(char *group,char *host,char *user,char *dom)
{
- char *hst, *usr, *dm;
+ char *hst, *usr, *dm;
- setnetgrent(group);
- while (getnetgrent(&hst, &usr, &dm))
- if (((host == 0) || (hst == 0) || !strcmp(host, hst)) &&
- ((user == 0) || (usr == 0) || !strcmp(user, usr)) &&
- ((dom == 0) || (dm == 0) || !strcmp(dom, dm))) {
- endnetgrent();
- return (1);
- }
- endnetgrent();
- return (0);
+ setnetgrent(group);
+ while (getnetgrent(&hst, &usr, &dm)) {
+ if (((host == 0) || (hst == 0) || !strcmp(host, hst)) &&
+ ((user == 0) || (usr == 0) || !strcmp(user, usr)) &&
+ ((dom == 0) || (dm == 0) || !strcmp(dom, dm))) {
+ endnetgrent();
+ return (1);
+ }
+ }
+ endnetgrent();
+ return (0);
}
-#endif
+#endif /* HAVE_SETNETGRENT HAVE_GETNETGRENT HAVE_ENDNETGRENT */
+#endif /* HAVE_INNETGR */
-#ifdef NO_INITGROUPS
-#include <sys/types.h>
-#include <limits.h>
-#include <grp.h>
-
-#ifndef NULL
-#define NULL (void *)0
-#endif
-
+#ifndef HAVE_INITGROUPS
/****************************************************************************
some systems don't have an initgroups call
****************************************************************************/
int initgroups(char *name,gid_t id)
{
-#ifdef NO_SETGROUPS
- /* yikes! no SETGROUPS or INITGROUPS? how can this work? */
- return(0);
-#else
- gid_t grouplst[NGROUPS_MAX];
- int i,j;
- struct group *g;
- char *gr;
-
- grouplst[0] = id;
- i = 1;
- while (i < NGROUPS_MAX &&
- ((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;
+#ifndef HAVE_SETGROUPS
+ static int done;
+ if (!done) {
+ DEBUG(1,("WARNING: running without setgroups\n"));
+ done=1;
}
- gr = g->gr_mem[++j];
- }
- }
- endgrent();
- return(setgroups(i,grouplst));
-#endif
+ /* yikes! no SETGROUPS or INITGROUPS? how can this work? */
+ return(0);
+#else /* HAVE_SETGROUPS */
+ gid_t grouplst[NGROUPS_MAX];
+ int i,j;
+ struct group *g;
+ char *gr;
+
+ grouplst[0] = id;
+ i = 1;
+ while (i < NGROUPS_MAX &&
+ ((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();
+ return(setgroups(i,grouplst));
+#endif /* HAVE_SETGROUPS */
}
-#endif
+#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);
-}
+ 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 it's own memmove().
+this is not the fastest algorithm in town, but it will do for our
+needs.
+********************************************************************/
+ void *memmove(void *dest,const void *src,int size)
+{
+ unsigned long d,s;
+ int i;
+ if (dest==src || !size) return(dest);
-#if WRAP_MALLOC
+ d = (unsigned long)dest;
+ s = (unsigned long)src;
-/* undo the wrapping temporarily */
-#undef malloc
-#undef realloc
-#undef free
+ if ((d >= (s+size)) || (s >= (d+size))) {
+ /* no overlap */
+ memcpy(dest,src,size);
+ return(dest);
+ }
-/****************************************************************************
-wrapper for malloc() to catch memory errors
-****************************************************************************/
-void *malloc_wrapped(int size,char *file,int line)
-{
-#ifdef xx_old_malloc
- void *res = xx_old_malloc(size);
-#else
- void *res = malloc(size);
-#endif
- DEBUG(3,("Malloc called from %s(%d) with size=%d gave ptr=0x%X\n",
- file,line,
- size,(unsigned int)res));
- return(res);
+ 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
/****************************************************************************
-wrapper for realloc() to catch memory errors
+duplicate a string
****************************************************************************/
-void *realloc_wrapped(void *ptr,int size,char *file,int line)
+ char *strdup(const char *s)
{
-#ifdef xx_old_realloc
- void *res = xx_old_realloc(ptr,size);
-#else
- void *res = realloc(ptr,size);
-#endif
- DEBUG(3,("Realloc\n"));
- DEBUG(3,("free called from %s(%d) with ptr=0x%X\n",
- file,line,
- (unsigned int)ptr));
- DEBUG(3,("Malloc called from %s(%d) with size=%d gave ptr=0x%X\n",
- file,line,
- size,(unsigned int)res));
- return(res);
+ 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 */
-/****************************************************************************
-wrapper for free() to catch memory errors
-****************************************************************************/
-void free_wrapped(void *ptr,char *file,int line)
+#ifdef REPLACE_INET_NTOA
+char *rep_inet_ntoa(struct in_addr ip)
{
-#ifdef xx_old_free
- xx_old_free(ptr);
-#else
- free(ptr);
-#endif
- DEBUG(3,("free called from %s(%d) with ptr=0x%X\n",
- file,line,(unsigned int)ptr));
- return;
+ unsigned char *p = (unsigned char *)&ip.s_addr;
+ static char buf[18];
+#if WORDS_BIGENDIAN
+ slprintf(buf, 17, "%d.%d.%d.%d",
+ (int)p[0], (int)p[1], (int)p[2], (int)p[3]);
+#else /* WORDS_BIGENDIAN */
+ slprintf(buf, 17, "%d.%d.%d.%d",
+ (int)p[3], (int)p[2], (int)p[1], (int)p[0]);
+#endif /* WORDS_BIGENDIAN */
+ return buf;
}
+#endif /* REPLACE_INET_NTOA */
-/* and re-do the define for spots lower in this file */
-#define malloc(size) malloc_wrapped(size,__FILE__,__LINE__)
-#define realloc(ptr,size) realloc_wrapped(ptr,size,__FILE__,__LINE__)
-#define free(ptr) free_wrapped(ptr,__FILE__,__LINE__)
-
+#ifndef HAVE_STRTOUL
+#ifndef ULONG_MAX
+#define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF */
#endif
-
-#if WRAP_MEMCPY
-#undef memcpy
-/*******************************************************************
-a wrapper around memcpy for diagnostic purposes
-********************************************************************/
-void *memcpy_wrapped(void *d,void *s,int l,char *fname,int line)
+/*
+ * Convert a string to an unsigned long integer.
+ * Taken from libg++ - libiberty code.
+ *
+ * Ignores `locale' stuff. Assumes that the upper and lower case
+ * alphabets and digits are each contiguous.
+ */
+ unsigned long strtoul(const char *nptr, char **endptr, int base)
{
- if (l>64 && (((int)d)%4) != (((int)s)%4))
- DEBUG(4,("Misaligned memcpy(0x%X,0x%X,%d) at %s(%d)\n",d,s,l,fname,line));
-#ifdef xx_old_memcpy
- return(xx_old_memcpy(d,s,l));
-#else
- return(memcpy(d,s,l));
-#endif
+ const char *s = nptr;
+ unsigned long acc;
+ int c;
+ unsigned long cutoff;
+ int neg = 0, any, cutlim;
+
+ /*
+ * See strtol for comments as to the logic used.
+ */
+ do {
+ c = *s++;
+ } while (isspace(c));
+ if (c == '-') {
+ neg = 1;
+ c = *s++;
+ } else if (c == '+')
+ c = *s++;
+ if ((base == 0 || base == 16) &&
+ c == '0' && (*s == 'x' || *s == 'X')) {
+ c = s[1];
+ s += 2;
+ base = 16;
+ }
+ if (base == 0)
+ base = c == '0' ? 8 : 10;
+ cutoff = (unsigned long)ULONG_MAX / (unsigned long)base;
+ cutlim = (int)((unsigned long)ULONG_MAX % (unsigned long)base);
+ for (acc = 0, any = 0;; c = *s++) {
+ if (isdigit(c))
+ c -= '0';
+ else if (isalpha(c))
+ c -= isupper(c) ? 'A' - 10 : 'a' - 10;
+ else
+ break;
+ if (c >= base)
+ break;
+ if (any < 0 || acc > cutoff || acc == cutoff && c > cutlim)
+ any = -1;
+ else {
+ any = 1;
+ acc *= base;
+ acc += c;
+ }
+ }
+ if (any < 0) {
+ acc = ULONG_MAX;
+ errno = ERANGE;
+ } else if (neg)
+ acc = -acc;
+ if (endptr != 0)
+ *endptr = (char *) (any ? s - 1 : nptr);
+ return (acc);
}
-#define memcpy(d,s,l) memcpy_wrapped(d,s,l,__FILE__,__LINE__)
-#endif
-
+#endif /* HAVE_STRTOUL */
git.samba.org / samba.git / blobdiff