nsprpub/lib/libc/src/strcat.c

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
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  37
  38 #include "plstr.h"
  39 #include <string.h>
  40
  41 PR_IMPLEMENT(char *)
  42 PL_strcat(char *dest, const char *src)
  43 {
  44     if( ((char *)0 == dest) || ((const char *)0 == src) )
  45         return dest;
  46
  47     return strcat(dest, src);
  48 }
  49
  50 PR_IMPLEMENT(char *)
  51 PL_strncat(char *dest, const char *src, PRUint32 max)
  52 {
  53     char *rv;
  54
  55     if( ((char *)0 == dest) || ((const char *)0 == src) || (0 == max) )
  56         return dest;
  57
  58     for( rv = dest; *dest; dest++ )
  59         ;
  60
  61     (void)PL_strncpy(dest, src, max);
  62     return rv;
  63 }
  64
  65 PR_IMPLEMENT(char *)
  66 PL_strcatn(char *dest, PRUint32 max, const char *src)
  67 {
  68     char *rv;
  69     PRUint32 dl;
  70
  71     if( ((char *)0 == dest) || ((const char *)0 == src) )
  72         return dest;
  73
  74     for( rv = dest, dl = 0; *dest; dest++, dl++ )
  75         ;
  76
  77     if( max <= dl ) return rv;
  78     (void)PL_strncpyz(dest, src, max-dl);
  79
  80     return rv;
  81 }