Annotation of src/usr.bin/ssh/xmalloc.c, Revision 1.8
1.1 deraadt 1: /*
1.5 deraadt 2: * Author: Tatu Ylonen <ylo@cs.hut.fi>
3: * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
4: * All rights reserved
5: * Versions of malloc and friends that check their results, and never return
6: * failure (they call fatal if they encounter an error).
1.8 ! deraadt 7: *
! 8: * As far as I am concerned, the code I have written for this software
! 9: * can be used freely for any purpose. Any derived versions of this
! 10: * software must be clearly marked as such, and if the derived work is
! 11: * incompatible with the protocol description in the RFC file, it must be
! 12: * called by a name other than "ssh" or "Secure Shell".
1.5 deraadt 13: */
1.1 deraadt 14:
15: #include "includes.h"
1.8 ! deraadt 16: RCSID("$OpenBSD: xmalloc.c,v 1.7 2000/06/20 01:39:45 markus Exp $");
1.1 deraadt 17:
18: #include "ssh.h"
19:
1.4 markus 20: void *
21: xmalloc(size_t size)
1.1 deraadt 22: {
1.4 markus 23: void *ptr = malloc(size);
24: if (ptr == NULL)
25: fatal("xmalloc: out of memory (allocating %d bytes)", (int) size);
26: return ptr;
1.1 deraadt 27: }
28:
1.4 markus 29: void *
30: xrealloc(void *ptr, size_t new_size)
1.1 deraadt 31: {
1.4 markus 32: void *new_ptr;
1.1 deraadt 33:
1.4 markus 34: if (ptr == NULL)
35: fatal("xrealloc: NULL pointer given as argument");
36: new_ptr = realloc(ptr, new_size);
37: if (new_ptr == NULL)
38: fatal("xrealloc: out of memory (new_size %d bytes)", (int) new_size);
39: return new_ptr;
1.1 deraadt 40: }
41:
1.6 markus 42: void
1.4 markus 43: xfree(void *ptr)
1.1 deraadt 44: {
1.4 markus 45: if (ptr == NULL)
46: fatal("xfree: NULL pointer given as argument");
47: free(ptr);
1.1 deraadt 48: }
49:
1.4 markus 50: char *
51: xstrdup(const char *str)
1.1 deraadt 52: {
1.4 markus 53: int len = strlen(str) + 1;
1.2 deraadt 54:
1.4 markus 55: char *cp = xmalloc(len);
56: strlcpy(cp, str, len);
57: return cp;
1.1 deraadt 58: }