/*
dropin.c -- a set of drop-in replacements for libc functions
- Copyright (C) 2000 Ivo Timmermans <itimmermans@bigfoot.com>,
- 2000 Guus Sliepen <guus@sliepen.warande.net>
+ Copyright (C) 2000,2001 Ivo Timmermans <ivo@o2w.nl>,
+ 2000,2001 Guus Sliepen <guus@sliepen.eu.org>
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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: dropin.c,v 1.1.2.2 2000/11/29 00:33:15 zarq Exp $
+ $Id: dropin.c,v 1.1.2.11 2002/07/12 11:45:21 guus Exp $
*/
#include "config.h"
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
#include <xalloc.h>
#include <system.h>
+#include <errno.h>
#ifndef HAVE_DAEMON
/*
dup2(fd, 2);
}
}
+
+ return 0;
}
#endif
{
size_t size;
char *buf;
+ char *r;
/* Start with 100 bytes. If this turns out to be insufficient to
contain the working directory, double the size. */
r = getcwd(buf, size);
/* getcwd returns NULL and sets errno to ERANGE if the bufferspace
is insufficient to contain the entire working directory. */
- while(r == NULL && errno = ERANGE)
+ while(r == NULL && errno == ERANGE)
{
free(buf);
size <<= 1; /* double the size */
return buf;
}
#endif
+
+#ifndef HAVE_ASPRINTF
+int asprintf(char **buf, const char *fmt, ...)
+{
+ int status;
+ va_list ap;
+ int len;
+
+ len = 4096;
+ *buf = xmalloc(len);
+
+ va_start(ap, fmt);
+ status = vsnprintf (*buf, len, fmt, ap);
+ va_end (ap);
+
+ if(status >= 0)
+ *buf = xrealloc(*buf, status);
+
+ if(status > len-1)
+ {
+ len = status;
+ va_start(ap, fmt);
+ status = vsnprintf (*buf, len, fmt, ap);
+ va_end (ap);
+ }
+
+ return status;
+}
+#endif