155 lines
2.8 KiB
C
155 lines
2.8 KiB
C
/*
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* isync - mbsync wrapper: IMAP4 to maildir mailbox synchronizer
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* Copyright (C) 2000-2002 Michael R. Elkins <me@mutt.org>
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* Copyright (C) 2002-2004 Oswald Buddenhagen <ossi@users.sf.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "isync.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <pwd.h>
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#include <ctype.h>
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char *
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next_arg( char **s )
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{
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char *ret;
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if (!s || !*s)
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return 0;
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while (isspace( (unsigned char) **s ))
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(*s)++;
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if (!**s) {
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*s = 0;
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return 0;
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}
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if (**s == '"') {
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++*s;
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ret = *s;
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*s = strchr( *s, '"' );
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} else {
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ret = *s;
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while (**s && !isspace( (unsigned char) **s ))
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(*s)++;
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}
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if (*s) {
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if (**s)
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*(*s)++ = 0;
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if (!**s)
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*s = 0;
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}
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return ret;
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}
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#ifndef HAVE_VASPRINTF
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static int
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vasprintf( char **strp, const char *fmt, va_list ap )
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{
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int len;
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char tmp[1024];
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if ((len = vsnprintf( tmp, sizeof(tmp), fmt, ap )) < 0 || !(*strp = malloc( len + 1 )))
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return -1;
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if (len >= (int)sizeof(tmp))
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vsprintf( *strp, fmt, ap );
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else
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memcpy( *strp, tmp, len + 1 );
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return len;
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}
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#endif
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void
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oob( void )
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{
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fputs( "Fatal: buffer too small. Please report a bug.\n", stderr );
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abort();
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}
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int
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nfsnprintf( char *buf, int blen, const char *fmt, ... )
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{
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int ret;
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va_list va;
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va_start( va, fmt );
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if (blen <= 0 || (unsigned)(ret = vsnprintf( buf, blen, fmt, va )) >= (unsigned)blen)
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oob();
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va_end( va );
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return ret;
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}
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static void ATTR_NORETURN
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oom( void )
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{
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fputs( "Fatal: Out of memory\n", stderr );
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abort();
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}
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void *
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nfmalloc( size_t sz )
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{
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void *ret;
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if (!(ret = malloc( sz )))
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oom();
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return ret;
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}
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void *
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nfrealloc( void *mem, size_t sz )
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{
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char *ret;
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if (!(ret = realloc( mem, sz )) && sz)
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oom();
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return ret;
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}
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char *
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nfstrdup( const char *str )
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{
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char *ret;
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if (!(ret = strdup( str )))
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oom();
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return ret;
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}
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int
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nfvasprintf( char **str, const char *fmt, va_list va )
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{
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int ret = vasprintf( str, fmt, va );
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if (ret < 0)
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oom();
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return ret;
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}
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int
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nfasprintf( char **str, const char *fmt, ... )
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{
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int ret;
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va_list va;
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va_start( va, fmt );
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ret = nfvasprintf( str, fmt, va );
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va_end( va );
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return ret;
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}
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