#include <string.h> /* strcpy */
void SafeCopy(char *Dest, int DestSize, char *Source);
main() { char Text1[20]="Tracy Sorrell"; /* string buffer */ char Text2[10]="Martin"; /* string buffer */
printf (" Original string contents are: %s\n", Text2);
SafeCopy(Text2, sizeof(Text2), Text1); printf (" New string contents are: %s\n", Text2);
strcpy(Text2, "Alex"); printf (" Final string contents are: %s\n", Text2);
}
/****************************************************************/
void SafeCopy( char *Dest, /* Destination buffer. */ int DestSize, char *Source) /* Source data. */ { /* ... Copy 'Source' into 'Dest'. * ... 'Dest' is padded with NULLs if 'Source' is smaller.. */ strncpy(Dest, Source, DestSize); /* ... Safety net! Add the NULL just in case 'Source' is larger * ... than 'Dest'. */ Dest[DestSize-1] = '\0'; } 
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