/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2007 The OpenLDAP Foundation.
+ * Copyright 1998-2010 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <stdio.h>
#include <ac/stdlib.h>
+#include <ac/stdarg.h>
#include <ac/string.h>
#include <ac/ctype.h>
#include <ac/unistd.h>
#include "lutil.h"
#include "ldap_defaults.h"
#include "ldap_pvt.h"
+#include "lber_pvt.h"
#ifdef HAVE_EBCDIC
int _trans_argv = 1;
LUTIL_SLASHPATH( argv[0] );
progname = strrchr ( argv[0], *LDAP_DIRSEP );
progname = progname ? &progname[1] : argv[0];
+#ifdef _WIN32
+ {
+ size_t len = strlen( progname );
+ if ( len > 4 && strcasecmp( &progname[len - 4], ".exe" ) == 0 )
+ progname[len - 4] = '\0';
+ }
+#endif
return progname;
}
return -1;
}
-/* return a broken out time, with microseconds
- * Must be mutex-protected.
- */
-#ifdef _WIN32
-/* Windows SYSTEMTIME only has 10 millisecond resolution, so we
- * also need to use a high resolution timer to get microseconds.
- * This is pretty clunky.
- */
-void
-lutil_gettime( struct lutil_tm *tm )
-{
- static LARGE_INTEGER cFreq;
- static LARGE_INTEGER prevCount;
- static int subs;
- static int offset;
- LARGE_INTEGER count;
- SYSTEMTIME st;
-
- GetSystemTime( &st );
- QueryPerformanceCounter( &count );
-
- /* We assume Windows has at least a vague idea of
- * when a second begins. So we align our microsecond count
- * with the Windows millisecond count using this offset.
- * We retain the submillisecond portion of our own count.
- */
- if ( !cFreq.QuadPart ) {
- long long t;
- int usec;
- QueryPerformanceFrequency( &cFreq );
-
- t = count.QuadPart * 1000000;
- t /= cFreq.QuadPart;
- usec = t % 10000000;
- usec /= 1000;
- offset = ( usec - st.wMilliseconds ) * 1000;
- }
-
- /* It shouldn't ever go backwards, but multiple CPUs might
- * be able to hit in the same tick.
- */
- if ( count.QuadPart <= prevCount.QuadPart ) {
- subs++;
- } else {
- subs = 0;
- prevCount = count;
- }
-
- tm->tm_usub = subs;
-
- /* convert to microseconds */
- count.QuadPart *= 1000000;
- count.QuadPart /= cFreq.QuadPart;
- count.QuadPart -= offset;
-
- tm->tm_usec = count.QuadPart % 1000000;
-
- /* any difference larger than microseconds is
- * already reflected in st
- */
-
- tm->tm_sec = st.wSecond;
- tm->tm_min = st.wMinute;
- tm->tm_hour = st.wHour;
- tm->tm_mday = st.wDay;
- tm->tm_mon = st.wMonth - 1;
- tm->tm_year = st.wYear - 1900;
-}
-#else
-void
-lutil_gettime( struct lutil_tm *ltm )
-{
- struct timeval tv;
- static struct timeval prevTv;
- static int subs;
-
-#ifdef HAVE_GMTIME_R
- struct tm tm_buf;
-#endif
- struct tm *tm;
- time_t t;
-
- gettimeofday( &tv, NULL );
- t = tv.tv_sec;
-
- if ( tv.tv_sec < prevTv.tv_sec
- || ( tv.tv_sec == prevTv.tv_sec && tv.tv_usec == prevTv.tv_usec )) {
- subs++;
- } else {
- subs = 0;
- prevTv = tv;
- }
-
- ltm->tm_usub = subs;
-
-#ifdef HAVE_GMTIME_R
- tm = gmtime_r( &t, &tm_buf );
-#else
- tm = gmtime( &t );
-#endif
-
- ltm->tm_sec = tm->tm_sec;
- ltm->tm_min = tm->tm_min;
- ltm->tm_hour = tm->tm_hour;
- ltm->tm_mday = tm->tm_mday;
- ltm->tm_mon = tm->tm_mon;
- ltm->tm_year = tm->tm_year;
- ltm->tm_usec = tv.tv_usec;
-}
-#endif
-
/* 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.
return a-1;
}
+/* memcopy is like memcpy except it returns a pointer to the byte past
+ * the end of the result buffer, set to NULL. This allows fast construction
+ * of catenated buffers. Provided for API consistency with lutil_str*copy().
+ */
+char *
+lutil_memcopy(
+ char *a,
+ const char *b,
+ size_t n
+)
+{
+ AC_MEMCPY(a, b, n);
+ return a + n;
+}
+
#ifndef HAVE_MKSTEMP
int mkstemp( char * template )
{
#endif
#ifdef _MSC_VER
+/* Equivalent of MS CRT's _dosmaperr().
+ * @param lastError[in] Result of GetLastError().
+ */
+static errno_t win2errno(DWORD lastError)
+{
+ const struct {
+ DWORD windows_code;
+ errno_t errno_code;
+ } WIN2ERRNO_TABLE[] = {
+ { ERROR_SUCCESS, 0 },
+ { ERROR_FILE_NOT_FOUND, ENOENT },
+ { ERROR_PATH_NOT_FOUND, ENOENT },
+ { ERROR_TOO_MANY_OPEN_FILES, EMFILE },
+ { ERROR_ACCESS_DENIED, EACCES },
+ { ERROR_INVALID_HANDLE, EBADF },
+ { ERROR_NOT_ENOUGH_MEMORY, ENOMEM },
+ { ERROR_LOCK_VIOLATION, EACCES },
+ { ERROR_FILE_EXISTS, EEXIST },
+ { ERROR_INVALID_PARAMETER, EINVAL },
+ { ERROR_FILENAME_EXCED_RANGE, ENAMETOOLONG },
+ };
+ const unsigned int WIN2ERRNO_TABLE_SIZE = sizeof(WIN2ERRNO_TABLE) /
+sizeof(WIN2ERRNO_TABLE[0]);
+ const errno_t DEFAULT_ERRNO_ERROR = -1;
+ unsigned int i;
+
+ for (i = 0; i < WIN2ERRNO_TABLE_SIZE; ++i) {
+ if (WIN2ERRNO_TABLE[i].windows_code == lastError) {
+ return WIN2ERRNO_TABLE[i].errno_code;
+ }
+ }
+ return DEFAULT_ERRNO_ERROR;
+}
+
struct dirent {
char *d_name;
};
HANDLE h;
WIN32_FIND_DATA data;
- if (len+3 >= sizeof(tmp))
+ if (len+3 >= sizeof(tmp)) {
+ errno = ENAMETOOLONG;
return NULL;
+ }
strcpy(tmp, path);
tmp[len++] = '\\';
tmp[len] = '\0';
h = FindFirstFile( tmp, &data );
-
- if ( h == INVALID_HANDLE_VALUE )
+
+ if ( h == INVALID_HANDLE_VALUE ) {
+ errno = win2errno( GetLastError());
return NULL;
+ }
d = ber_memalloc( sizeof(DIR) );
if ( !d )
}
return &dir->data;
}
-void closedir(DIR *dir)
+int closedir(DIR *dir)
{
FindClose(dir->dir);
ber_memfree(dir);
* Memory Reverse Search
*/
void *
-lutil_memrchr(const void *b, int c, size_t n)
+(lutil_memrchr)(const void *b, int c, size_t n)
{
if (n != 0) {
const unsigned char *s, *bb = b, cc = c;
* Output buffer must be provided, bv_len must indicate buffer size
* Hex input can be "0x1234" or "'1234'H"
*
+ * Temporarily modifies the input string.
+ *
* Note: High bit of binary form is always the sign bit. If the number
* is supposed to be positive but has the high bit set, a zero byte
* is prepended. It is assumed that this has already been handled on
* any hex input.
*/
int
-lutil_str2bin( struct berval *in, struct berval *out )
+lutil_str2bin( struct berval *in, struct berval *out, void *ctx )
{
char *pin, *pout, ctmp;
char *end;
- long l;
int i, chunk, len, rc = 0, hex = 0;
if ( !out || !out->bv_val || out->bv_len < in->bv_len )
return -1;
}
if ( hex ) {
#define HEXMAX (2 * sizeof(long))
+ unsigned long l;
/* Convert a longword at a time, but handle leading
* odd bytes first
*/
- chunk = len & (HEXMAX-1);
+ chunk = len % HEXMAX;
if ( !chunk )
chunk = HEXMAX;
while ( len ) {
+ int ochunk;
ctmp = pin[chunk];
pin[chunk] = '\0';
errno = 0;
- l = strtol( pin, &end, 16 );
+ l = strtoul( pin, &end, 16 );
pin[chunk] = ctmp;
if ( errno )
return -1;
- chunk++;
- chunk >>= 1;
- for ( i = chunk; i>=0; i-- ) {
+ ochunk = (chunk + 1)/2;
+ for ( i = ochunk - 1; i >= 0; i-- ) {
pout[i] = l & 0xff;
l >>= 8;
}
pin += chunk;
- pout += sizeof(long);
+ pout += ochunk;
len -= chunk;
chunk = HEXMAX;
}
- out->bv_len = pout + len - out->bv_val;
+ out->bv_len = pout - out->bv_val;
} else {
/* Decimal */
char tmpbuf[64], *tmp;
lutil_int_decnum num;
int neg = 0;
+ long l;
len = in->bv_len;
pin = in->bv_val;
num.beg = num.bufsiz-1;
num.len = 0;
if ( pin[0] == '-' ) {
- neg = 1;
+ neg = 0xff;
len--;
pin++;
}
#define DECMAX 8 /* 8 digits at a time */
- if ( len > sizeof(tmpbuf)) {
- tmp = ber_memalloc( len );
+ /* tmp must be at least as large as outbuf */
+ if ( out->bv_len > sizeof(tmpbuf)) {
+ tmp = ber_memalloc_x( out->bv_len, ctx );
} else {
tmp = tmpbuf;
}
}
/* Negate the result */
if ( neg ) {
- int i, j;
unsigned char *ptr;
ptr = num.buf+num.beg;
for ( i=0; i<num.len; i++ )
ptr[i] ^= 0xff;
- /* Add 1, with carry */
- i--;
- j = 1;
- for ( ; i>=0; i-- ) {
- j += ptr[i];
- ptr[i] = j & 0xff;
- j >>= 8;
- if (!j)
- break;
- }
- /* If we overflowed and there's still room,
- * set an explicit sign byte
- */
- if ( !( ptr[0] & 0x80 ) && num.beg ) {
- num.beg--;
- num.len++;
- num.buf[num.beg] = 0x80;
- }
- } else if (( num.buf[num.beg] & 0x80 ) && num.beg ) {
- /* positive int with high bit set, prepend 0 */
+ /* add 1, with carry - overflow handled below */
+ while ( i-- && ! (ptr[i] = (ptr[i] + 1) & 0xff )) ;
+ }
+ /* Prepend sign byte if wrong sign bit */
+ if (( num.buf[num.beg] ^ neg ) & 0x80 ) {
num.beg--;
num.len++;
- num.buf[num.beg] = 0;
+ num.buf[num.beg] = neg;
}
if ( num.beg )
AC_MEMCPY( num.buf, num.buf+num.beg, num.len );
out->bv_len = num.len;
decfail:
if ( tmp != tmpbuf ) {
- ber_memfree( tmp );
+ ber_memfree_x( tmp, ctx );
}
}
return rc;
return 0;
}
+/*
+ * formatted print to string
+ *
+ * - if return code < 0, the error code returned by vsnprintf(3) is returned
+ *
+ * - if return code > 0, the buffer was not long enough;
+ * - if next is not NULL, *next will be set to buf + bufsize - 1
+ * - if len is not NULL, *len will contain the required buffer length
+ *
+ * - if return code == 0, the buffer was long enough;
+ * - if next is not NULL, *next will point to the end of the string printed so far
+ * - if len is not NULL, *len will contain the length of the string printed so far
+ */
+int
+lutil_snprintf( char *buf, ber_len_t bufsize, char **next, ber_len_t *len, LDAP_CONST char *fmt, ... )
+{
+ va_list ap;
+ int ret;
+
+ assert( buf != NULL );
+ assert( bufsize > 0 );
+ assert( fmt != NULL );
+
+ va_start( ap, fmt );
+ ret = vsnprintf( buf, bufsize, fmt, ap );
+ va_end( ap );
+
+ if ( ret < 0 ) {
+ return ret;
+ }
+
+ if ( len ) {
+ *len = ret;
+ }
+
+ if ( (unsigned) ret >= bufsize ) {
+ if ( next ) {
+ *next = &buf[ bufsize - 1 ];
+ }
+
+ return 1;
+ }
+
+ if ( next ) {
+ *next = &buf[ ret ];
+ }
+
+ return 0;
+}
+
projects / openldap / blobdiff