#include <errno.h>
#include <unistd.h>
#include <sys/stat.h>
+#include <sysexits.h>
/*
** We allocate space for messages (msgs array)
void *memory;
if (size == 0)
- adios(NULL, "Tried to malloc 0 bytes");
+ adios(EX_SOFTWARE, NULL, "Tried to malloc 0 bytes");
memory = malloc(size);
if (!memory)
- adios(NULL, "Malloc failed");
+ adios(EX_OSERR, NULL, "Malloc failed");
return memory;
}
/* Some non-POSIX realloc()s don't cope with realloc(NULL,sz) */
if (!ptr) {
- return mh_xmalloc(size);
+ return mh_xcalloc((size_t) 1, size);
}
if (size == 0)
- adios(NULL, "Tried to realloc 0 bytes");
+ adios(EX_SOFTWARE, NULL, "Tried to realloc 0 bytes");
memory = realloc(ptr, size);
if (!memory)
- adios(NULL, "Realloc failed");
+ adios(EX_OSERR, NULL, "Realloc failed");
return memory;
}
/*
+ * Safely call calloc
+ */
+void *
+mh_xcalloc(size_t nmemb, size_t size)
+{
+ void *memory;
+
+ if (nmemb == 0 || size == 0)
+ adios(EX_SOFTWARE, NULL, "Tried to calloc 0 bytes");
+
+ if ((memory = calloc(nmemb, size))) {
+ return memory;
+ } else {
+ adios(EX_OSERR, NULL, "calloc failed");
+ }
+}
+
+/*
** Return the present working directory, if the current directory does not
** exist, or is too long, make / the pwd.
*/
char *
pwd(void)
{
- register char *cp;
+ char *cp;
static char curwd[PATH_MAX];
if (!getcwd(curwd, PATH_MAX)) {
if (stat(folder, &st) == -1) {
if (errno != ENOENT)
- adios(folder, "error on folder");
+ adios(EX_IOERR, folder, "error on folder");
if (autocreate == 0) {
/* ask before creating folder */
cp = concat("Create folder \"", folder, "\"? ", NULL);
if (!getanswer(cp))
- done_callback(1);
+ done_callback(EX_CANTCREAT);
free(cp);
} else if (autocreate == -1) {
/* do not create, so exit */
- done_callback(1);
+ done_callback(EX_CANTCREAT);
}
if (!makedir(folder))
- adios(NULL, "unable to create folder %s", folder);
+ adios(EX_CANTCREAT, NULL, "unable to create folder %s", folder);
}
}
/* Sanity check */
if (n < 0)
- adios(NULL, "oops, num_digits called with negative value");
+ adios(EX_SOFTWARE, NULL, "oops, num_digits called with negative value");
if (n == 0)
return 1;