openldap/libraries/liblutil/utils.c

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/* $OpenLDAP$ */
/*
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* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
#include <ac/stdlib.h>
#include <ac/string.h>
#include <ac/unistd.h>
#include <ac/time.h>
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#ifdef HAVE_IO_H
#include <io.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#include <lutil.h>
#include <ldap_defaults.h>
#ifdef HAVE_EBCDIC
int _trans_argv = 1;
#endif
char* lutil_progname( const char* name, int argc, char *argv[] )
{
char *progname;
if(argc == 0) {
return (char *)name;
}
#ifdef HAVE_EBCDIC
if (_trans_argv) {
int i;
for (i=0; i<argc; i++) __etoa(argv[i]);
_trans_argv = 0;
}
#endif
progname = strrchr ( argv[0], *LDAP_DIRSEP );
progname = progname ? &progname[1] : argv[0];
return progname;
}
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size_t lutil_gentime( char *s, size_t max, const struct tm *tm )
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{
size_t ret;
#ifdef HAVE_EBCDIC
/* We've been compiling in ASCII so far, but we want EBCDIC now since
* strftime only understands EBCDIC input.
*/
#pragma convlit(suspend)
#endif
ret = strftime( s, max, "%Y%m%d%H%M%SZ", tm );
#ifdef HAVE_EBCDIC
#pragma convlit(resume)
__etoa( s );
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#endif
return ret;
}
/* strcopy is like strcpy except it returns a pointer to the trailing NUL of
* the result string. This allows fast construction of catenated strings
* without the overhead of strlen/strcat.
*/
char *
lutil_strcopy(
char *a,
const char *b
)
{
if (!a || !b)
return a;
while ((*a++ = *b++)) ;
return a-1;
}
/* strncopy is like strcpy except it returns a pointer to the trailing NUL of
* the result string. This allows fast construction of catenated strings
* without the overhead of strlen/strcat.
*/
char *
lutil_strncopy(
char *a,
const char *b,
size_t n
)
{
if (!a || !b || n == 0)
return a;
while ((*a++ = *b++) && n-- > 0) ;
return a-1;
}
#ifndef HAVE_MKSTEMP
int mkstemp( char * template )
{
#ifdef HAVE_MKTEMP
return open ( mktemp ( template ), O_RDWR|O_CREAT|O_EXCL, 0600 );
#else
return -1;
#endif
}
#endif