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esh: add rehash command to fix syntax highlighting, tab completion

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This commit is contained in:
K. Lange 2018-10-31 17:52:01 +09:00
parent 84c171c7ee
commit dc38dd5672
1 changed files with 24 additions and 0 deletions
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24
apps/sh.c
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@ -2068,6 +2068,29 @@ uint32_t shell_cmd_jobs(int argc, char * argv[]) {
return 0; return 0;
} }
uint32_t shell_cmd_rehash(int argc, char * argv[]) {
/* PATH commands are malloc'd */
for (int i = 0; i < shell_commands_len; ++i) {
if (!shell_pointers[i]) {
free(shell_commands[i]);
}
}
/* Clear array */
shell_commands_len = 0;
/* Reset capacity */
SHELL_COMMANDS = 64;
/* Free existing */
free(shell_commands);
free(shell_pointers);
free(shell_descript);
/* Reallocate + install builtins */
install_commands();
/* Reload PATH */
add_path();
return 0;
}
void install_commands() { void install_commands() {
shell_commands = malloc(sizeof(char *) * SHELL_COMMANDS); shell_commands = malloc(sizeof(char *) * SHELL_COMMANDS);
shell_pointers = malloc(sizeof(shell_command_t) * SHELL_COMMANDS); shell_pointers = malloc(sizeof(shell_command_t) * SHELL_COMMANDS);
@ -2092,4 +2115,5 @@ void install_commands() {
shell_install_command("fg", shell_cmd_fg, "resume a suspended job"); shell_install_command("fg", shell_cmd_fg, "resume a suspended job");
shell_install_command("jobs", shell_cmd_jobs, "list stopped jobs"); shell_install_command("jobs", shell_cmd_jobs, "list stopped jobs");
shell_install_command("bg", shell_cmd_bg, "restart suspended job in the background"); shell_install_command("bg", shell_cmd_bg, "restart suspended job in the background");
shell_install_command("rehash", shell_cmd_rehash, "reset shell command memory");
} }