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Add xgethostbyname and herror_msg* functions.

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This commit is contained in:
Matt Kraai
2001-05-16 15:40:51 +00:00
parent 59df6f7398
commit c55b8d41c1
25 changed files with 236 additions and 96 deletions
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50
libbb/herror_msg.c Normal file
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@@ -0,0 +1,50 @@
/* vi: set sw=4 ts=4: */
/*
* Utility routines.
*
* Copyright (C) tons of folks. Tracking down who wrote what
* isn't something I'm going to worry about... If you wrote something
* here, please feel free to acknowledge your work.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
* Permission has been granted to redistribute this code under the GPL.
*
*/
#include <stdarg.h>
#include <stdlib.h>
#include "libbb.h"
extern void herror_msg(const char *s, ...)
{
va_list p;
va_start(p, s);
vherror_msg(s, p);
va_end(p);
}
/* END CODE */
/*
Local Variables:
c-file-style: "linux"
c-basic-offset: 4
tab-width: 4
End:
*/

51
libbb/herror_msg_and_die.c Normal file
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@@ -0,0 +1,51 @@
/* vi: set sw=4 ts=4: */
/*
* Utility routines.
*
* Copyright (C) tons of folks. Tracking down who wrote what
* isn't something I'm going to worry about... If you wrote something
* here, please feel free to acknowledge your work.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
* Permission has been granted to redistribute this code under the GPL.
*
*/
#include <stdarg.h>
#include <stdlib.h>
#include "libbb.h"
extern void herror_msg_and_die(const char *s, ...)
{
va_list p;
va_start(p, s);
vherror_msg(s, p);
va_end(p);
exit(EXIT_FAILURE);
}
/* END CODE */
/*
Local Variables:
c-file-style: "linux"
c-basic-offset: 4
tab-width: 4
End:
*/

7
libbb/libbb.h
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@@ -29,6 +29,8 @@
#include <sys/stat.h>
#include <sys/types.h>
#include <netdb.h>
#ifdef DMALLOC
#include "dmalloc.h"
#endif
@@ -77,6 +79,9 @@ extern void error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))
extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
extern void perror_msg(const char *s, ...);
extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
extern void vherror_msg(const char *s, va_list p);
extern void herror_msg(const char *s, ...);
extern void herror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
/* These two are used internally -- you shouldn't need to use them */
extern void verror_msg(const char *s, va_list p);
@@ -252,6 +257,8 @@ extern int unzip(FILE *l_in_file, FILE *l_out_file);
extern void gz_close(int gunzip_pid);
extern int gz_open(FILE *compressed_file, int *pid);
extern struct hostent *xgethostbyname(const char *name);
#define CT_AUTO 0
#define CT_UNIX2DOS 1
#define CT_DOS2UNIX 2

45
libbb/vherror_msg.c Normal file
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@@ -0,0 +1,45 @@
/* vi: set sw=4 ts=4: */
/*
* Utility routines.
*
* Copyright (C) tons of folks. Tracking down who wrote what
* isn't something I'm going to worry about... If you wrote something
* here, please feel free to acknowledge your work.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
* Permission has been granted to redistribute this code under the GPL.
*
*/
#include <stdarg.h>
#include <netdb.h>
extern int h_errno;
#include <stdio.h>
#include "libbb.h"
extern void vherror_msg(const char *s, va_list p)
{
int err = h_errno;
if(s == 0)
s = "";
verror_msg(s, p);
if (*s)
s = ": ";
fprintf(stderr, "%s%s\n", s, hstrerror(err));
}

35
libbb/xgethostbyname.c Normal file
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@@ -0,0 +1,35 @@
/* vi: set sw=4 ts=4: */
/*
* Mini xgethostbyname implementation.
*
*
* Copyright (C) 2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <netdb.h>
extern int h_errno;
struct hostent *xgethostbyname(const char *name)
{
struct hostent *retval;
if ((retval = gethostbyname(name)) == NULL)
herror_msg_and_die("%s", name);
return retval;
}