3 * utils.c -- various utility routines
7 * This code is Copyright (c) 2006, by the authors of nmh. See the
8 * COPYRIGHT file in the root directory of the nmh distribution for
9 * complete copyright information.
20 mh_xmalloc(size_t size)
25 adios(NULL, "Tried to malloc 0 bytes");
27 memory = malloc(size);
29 adios(NULL, "Malloc failed");
38 mh_xrealloc(void *ptr, size_t size)
43 adios(NULL, "Tried to realloc 0bytes");
45 memory = realloc(ptr, size);
47 adios(NULL, "Realloc failed");
53 * Return the present working directory, if the current directory does not
54 * exist, or is too long, make / the pwd.
60 static char curwd[PATH_MAX];
62 if (!getcwd (curwd, PATH_MAX)) {
63 admonish (NULL, "unable to determine working directory");
64 if (!mypath || !*mypath
65 || (strcpy (curwd, mypath), chdir (curwd)) == -1) {
72 if ((cp = curwd + strlen (curwd) - 1) > curwd && *cp == '/')