Mercurial > hg > octave-nkf > gnulib-hg
changeset 2625:3e7623dd431a
(canon_host): Use malloc and memcpy to copy an
address, not strdup. Include <stdlib.h> and don't declare free().
| author | Jim Meyering <jim@meyering.net> |
|---|---|
| date | Wed, 21 Jun 2000 13:00:49 +0000 |
| parents | 8d0959af71c4 |
| children | 1710f067f0d1 |
| files | lib/canon-host.c |
| diffstat | 1 files changed, 5 insertions(+), 2 deletions(-) [+] |
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--- a/lib/canon-host.c +++ b/lib/canon-host.c @@ -26,6 +26,9 @@ #ifdef HAVE_UNISTD_H # include <unistd.h> #endif +#ifdef HAVE_STDLIB_H +# include <stdlib.h> +#endif #ifdef HAVE_STRING_H # include <string.h> #endif @@ -46,7 +49,6 @@ #ifndef strdup char *strdup (); #endif -void free (); /* Returns the canonical hostname associated with HOST (allocated in a static buffer), or 0 if it can't be determined. */ @@ -80,11 +82,12 @@ directly to gethostbyaddr because on some systems he->h_addr is located in a static library buffer that is reused in the gethostbyaddr call. Make a copy and use that instead. */ - char *h_addr_copy = strdup (he->h_addr); + char *h_addr_copy = (char *) malloc (he->h_length); if (h_addr_copy == NULL) he = NULL; else { + memcpy (h_addr_copy, he->h_addr, he->h_length); he = gethostbyaddr (h_addr_copy, he->h_length, he->h_addrtype); free (h_addr_copy); }