-/*
- Copyright (C) Andrew Tridgell 1998
- Copyright (C) 2002 by Martin Pool
-
- 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-/**
- * @file compat.c
+/*
+ * Reimplementations of standard functions for platforms that don't have them.
*
- * Reimplementations of standard functions for platforms that don't
- * have them.
- **/
-
-
+ * Copyright (C) 1998 Andrew Tridgell
+ * Copyright (C) 2002 Martin Pool
+ * Copyright (C) 2004, 2005, 2006 Wayne Davison
+ *
+ * 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
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, visit the http://fsf.org website.
+ */
#include "rsync.h"
-
#ifndef HAVE_STRDUP
char *strdup(char *s)
{
- int l = strlen(s) + 1;
- char *ret = (char *)malloc(l);
- if (ret)
- strcpy(ret,s);
- return ret;
+ int len = strlen(s) + 1;
+ char *ret = (char *)malloc(len);
+ if (ret)
+ memcpy(ret, s, len);
+ return ret;
}
#endif
/**
* Find the first ocurrence in @p s of any character in @p accept.
*
- * Derived from glibc
+ * Derived from glibc
**/
char *strpbrk(const char *s, const char *accept)
{
#ifndef HAVE_STRLCPY
/**
- * Like strncpy but does not 0 fill the buffer and always null
+ * Like strncpy but does not 0 fill the buffer and always null
* terminates.
*
* @param bufsize is the size of the destination buffer.
{
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;
+ if (bufsize > 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
+ * Like strncat() but does not 0 fill the buffer and always null
* terminates.
*
* @param bufsize length of the buffer, which should be one more than
}
#endif
-#ifdef REPLACE_INET_NTOA
- char *rep_inet_ntoa(struct in_addr ip)
+/* some systems don't take the 2nd argument */
+int sys_gettimeofday(struct timeval *tv)
{
- unsigned char *p = (unsigned char *)&ip.s_addr;
- static char buf[18];
-#if WORDS_BIGENDIAN
- snprintf(buf, 18, "%d.%d.%d.%d",
- (int)p[0], (int)p[1], (int)p[2], (int)p[3]);
+#ifdef HAVE_GETTIMEOFDAY_TZ
+ return gettimeofday(tv, NULL);
#else
- snprintf(buf, 18, "%d.%d.%d.%d",
- (int)p[3], (int)p[2], (int)p[1], (int)p[0]);
+ return gettimeofday(tv);
#endif
- return buf;
}
-#endif
-#ifdef REPLACE_INET_ATON
- int inet_aton(const char *cp, struct in_addr *inp)
+/* Return the int64 number as a string. If the human_flag arg is non-zero,
+ * we may output the number in K, M, or G units. We can return up to 4
+ * buffers at a time. */
+char *big_num(int64 num, int human_flag)
{
- unsigned int a1, a2, a3, a4;
- unsigned long ret;
-
- if (strcmp(cp, "255.255.255.255") == 0) {
- inp->s_addr = (unsigned) -1;
- return 0;
- }
-
- if (sscanf(cp, "%u.%u.%u.%u", &a1, &a2, &a3, &a4) != 4 ||
- a1 > 255 || a2 > 255 || a3 > 255 || a4 > 255) {
- return 0;
+ static char bufs[4][128]; /* more than enough room */
+ static unsigned int n;
+ char *s;
+
+ n = (n + 1) % (sizeof bufs / sizeof bufs[0]);
+
+ if (human_flag) {
+ char units = '\0';
+ int mult = human_flag == 1 ? 1000 : 1024;
+ double dnum = 0;
+ if (num > mult*mult*mult) {
+ dnum = (double)num / (mult*mult*mult);
+ units = 'G';
+ } else if (num > mult*mult) {
+ dnum = (double)num / (mult*mult);
+ units = 'M';
+ } else if (num > mult) {
+ dnum = (double)num / mult;
+ units = 'K';
+ }
+ if (units) {
+ snprintf(bufs[n], sizeof bufs[0], "%.2f%c", dnum, units);
+ return bufs[n];
+ }
}
- ret = (a1 << 24) | (a2 << 16) | (a3 << 8) | a4;
+ s = bufs[n] + sizeof bufs[0] - 1;
+ *s = '\0';
- inp->s_addr = htonl(ret);
-
- if (inp->s_addr == (unsigned) -1) {
- return 0;
+ if (!num)
+ *--s = '0';
+ while (num) {
+ *--s = (char)(num % 10) + '0';
+ num /= 10;
}
- return 1;
-}
-#endif
-
-/* some systems don't take the 2nd argument */
-int sys_gettimeofday(struct timeval *tv)
-{
-#if HAVE_GETTIMEOFDAY_TZ
- return gettimeofday(tv, NULL);
-#else
- return gettimeofday(tv);
-#endif
+ return s;
}