home *** CD-ROM | disk | FTP | other *** search
- /*
- * mymalloc, myrealloc, dupstr - memory allocation with error handling
- *
- * Environment: POSIX, ANSI
- *
- * Author: Wietse Venema.
- */
-
- #include <stdlib.h>
- #include <unistd.h>
- #include <string.h>
-
- #include "lib.h"
-
- /* mymalloc - allocate memory or bust */
-
- char *mymalloc(len)
- int len;
- {
- char *ptr;
-
- if ((ptr = malloc(len)) == 0)
- error("Insufficient memory: %m");
- return (ptr);
- }
-
- /* myrealloc - reallocate memory or bust */
-
- char *myrealloc(ptr, len)
- char *ptr;
- int len;
- {
- if ((ptr = realloc(ptr, len)) == 0)
- error("Insufficient memory: %m");
- return (ptr);
- }
-
- /* dupstr - save string to heap */
-
- char *dupstr(str)
- char *str;
- {
- return (strcpy(mymalloc(strlen(str) + 1), str));
- }
-