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Annotation of src/usr.bin/ssh/xmalloc.c, Revision 1.3

1.1       deraadt     1: /*
                      2:
                      3: xmalloc.c
                      4:
                      5: Author: Tatu Ylonen <ylo@cs.hut.fi>
                      6:
                      7: Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
                      8:                    All rights reserved
                      9:
                     10: Created: Mon Mar 20 21:23:10 1995 ylo
                     11:
                     12: Versions of malloc and friends that check their results, and never return
                     13: failure (they call fatal if they encounter an error).
                     14:
                     15: */
                     16:
                     17: #include "includes.h"
1.3     ! deraadt    18: RCSID("$Id: xmalloc.c,v 1.2 1999/09/29 21:14:16 deraadt Exp $");
1.1       deraadt    19:
                     20: #include "ssh.h"
                     21:
                     22: void *xmalloc(size_t size)
                     23: {
                     24:   void *ptr = malloc(size);
                     25:   if (ptr == NULL)
                     26:     fatal("xmalloc: out of memory (allocating %d bytes)", (int)size);
                     27:   return ptr;
                     28: }
                     29:
                     30: void *xrealloc(void *ptr, size_t new_size)
                     31: {
                     32:   void *new_ptr;
                     33:
                     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;
                     40: }
                     41:
                     42: void xfree(void *ptr)
                     43: {
                     44:   if (ptr == NULL)
                     45:     fatal("xfree: NULL pointer given as argument");
                     46:   free(ptr);
                     47: }
                     48:
                     49: char *xstrdup(const char *str)
                     50: {
1.2       deraadt    51:   int len = strlen(str) + 1;
                     52:
                     53:   char *cp = xmalloc(len);
                     54:   strlcpy(cp, str, len);
1.1       deraadt    55:   return cp;
                     56: }