FreeCalypso > hg > freecalypso-tools
view libpwon/forkoff.c @ 921:74d284add54d
fc-fsio: guard against bogus readdir results from the target
If the FFS being operated on contains SE K2x0 extended filenames,
readdir will return strings that are bad for printing. We need to
guard against this possibility, and also against possible other
bogosity that could be sent by other alien firmwares.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sat, 31 Dec 2022 22:55:23 +0000 |
parents | 7d1df6d831e4 |
children | ab54957dbe35 |
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#include <sys/types.h> #include <signal.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> extern char bootctrl_pwon_cmd[]; extern int bootctrl_duart28c_mode; static char shell_pathname[] = "/bin/sh"; void fork_exec_pwon_cmd() { int i; i = vfork(); if (i < 0) { perror("vfork"); exit(1); } if (i) return; execl(shell_pathname, "sh", "-c", bootctrl_pwon_cmd, (char *) 0); perror(shell_pathname); _exit(1); } pwon_if_needed() { if (bootctrl_duart28c_mode) { signal(SIGCHLD, SIG_IGN); fork_duart28c_pulse(); return(1); } if (bootctrl_pwon_cmd[0]) { signal(SIGCHLD, SIG_IGN); fork_exec_pwon_cmd(); return(1); } return(0); }