Mirror of :pserver:cvs@cvs.fefe.de:/cvs libowfat https://www.fefe.de/libowfat/
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#include "fmt.h"
#include "rangecheck.h"
#include <string.h>
size_t fmt_netstring(char* dest,const char* src,size_t len) {
size_t n=fmt_ulong(NULL,len);
size_t m;
if (!range_validbuf(src,len) || add_of(m,len,n+2)) return 0; /* n came from fmt_ulong, so it is a very small number, below 50 */
if (!dest) return m;
fmt_ulong(dest,len); dest+=n;
*dest++=':';
memcpy(dest,src,len);
dest[len]=',';
return m;
}