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Avoid using exiting allocators in the front end.

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This commit is contained in:
Todd C. Miller
2015-06-17 17:00:54 -06:00
parent 5ce50a885c
commit cb63ca701c
19 changed files with 422 additions and 259 deletions
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7
src/exec_pty.c
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@@ -695,7 +695,8 @@ io_buf_new(int rfd, int wfd, bool (*action)(const char *, unsigned int, struct i
(void) fcntl(wfd, F_SETFL, n | O_NONBLOCK);
/* Allocate and add to head of list. */
iob = sudo_emalloc(sizeof(*iob));
if ((iob = malloc(sizeof(*iob))) == NULL)
sudo_fatalx(U_("unable to allocate memory"));
iob->revent = sudo_ev_alloc(rfd, SUDO_EV_READ, io_callback, iob);
iob->wevent = sudo_ev_alloc(wfd, SUDO_EV_WRITE, io_callback, iob);
iob->len = 0;
@@ -703,7 +704,7 @@ io_buf_new(int rfd, int wfd, bool (*action)(const char *, unsigned int, struct i
iob->action = action;
iob->buf[0] = '\0';
if (iob->revent == NULL || iob->wevent == NULL)
sudo_fatal(NULL);
sudo_fatalx(U_("unable to allocate memory"));
SLIST_INSERT_HEAD(head, iob, entries);
debug_return;
@@ -907,7 +908,7 @@ pty_close(struct command_status *cstat)
/* Free I/O buffers. */
while ((iob = SLIST_FIRST(&iobufs)) != NULL) {
SLIST_REMOVE_HEAD(&iobufs, entries);
sudo_efree(iob);
free(iob);
}
/* Restore terminal settings. */