Le jeudi 31 janvier 2013 12:34:27, Stephan Beal a écrit : > On Thu, Jan 31, 2013 at 12:07 PM, Thomas Preud'homme <[email protected]>wrote: > > > - strcpy(buf, "__bound_"); > > > - strcat(buf, name); > > > + snprintf(buf, sizeof(buf), "__bound_%s", name); > > strcpy and strcat are C89 and C99 while snprintf is only C99. > > > The semantics of the above variants are not the same, are they? strcpy() > and strcat() are both writing to the same address in buf, i.e. strcat is > overwriting what strcpy() copied into buf. So the end result, unless i'm > sorely mistaken, is a copy of the name with the __bound_ prefix. strncat() > is c89, BTW.
strcat copy the second argument at the end of the string pointed at by the first argument. So after strcpy you'll have __bound_ and then the strcat will add name at the end of this string. Did I misunderstand what you said? Best regards, Thomas
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