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Repeat last command by hitting Enter

master
A.Olokhtonov 3 years ago
parent
commit
fec904e922
  1. 9
      main.c

9
main.c

@ -18,6 +18,7 @@ main(int argc, char *argv[]) @@ -18,6 +18,7 @@ main(int argc, char *argv[])
size_t max_command_length = 1023;
int command_length = 0;
char *command = malloc(max_command_length + 1);
char *last_command = malloc(max_command_length + 1);
process.base_address = 0x555555554000UL; // get_executable_base_address(file, proc.pid);
process.main_address = get_address_of_subroutine(process.elf, "main");
@ -35,6 +36,11 @@ main(int argc, char *argv[]) @@ -35,6 +36,11 @@ main(int argc, char *argv[])
construct_line_number_table(process.elf, process.sp_table, process.source_file_names, 0, 0);
while ((command_length = getline(&command, &max_command_length, stdin))) {
if (command_length == 1) {
memset(command, 0, max_command_length);
memcpy(command, last_command, command_length);
}
if (0 == strncmp(command, "exit\n", command_length) || 0 == strncmp(command, "q\n", command_length)) {
break;
} else if (0 == strncmp(command, "regs\n", command_length)) {
@ -55,6 +61,9 @@ main(int argc, char *argv[]) @@ -55,6 +61,9 @@ main(int argc, char *argv[])
printf("Unknown command: %*s", command_length, command);
}
memset(last_command, 0, max_command_length);
memcpy(last_command, command, command_length);
printf("> ");
}

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