FreeCalypso > hg > freecalypso-tools
view loadtools/secondprog.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 | 064d4eedb3a6 |
children |
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/* * This module contains the code for passing the serial channel to a * second program, used by fc-iram and fc-xram. */ #include <stdio.h> #include <stdlib.h> #include <unistd.h> extern char **passon_argv; extern int passon_argc; exec_2nd_prog() { char **execp_argv; char **sp, **dp; extern int target_fd; char desc_arg[16]; sprintf(desc_arg, "-d%d", target_fd); execp_argv = (char **) malloc(sizeof(char *) * (passon_argc + 2)); if (!execp_argv) { perror("malloc argv for execvp"); exit(1); } sp = passon_argv; dp = execp_argv; *dp++ = *sp++; *dp++ = desc_arg; while (*sp) *dp++ = *sp++; *dp = NULL; execvp(execp_argv[0], execp_argv); fprintf(stderr, "Unable to execvp %s\n", passon_argv[0]); exit(1); }