mirror of
https://github.com/Leonmmcoset/cleonos.git
synced 2026-04-21 10:40:00 +00:00
92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
#include "cmd_runtime.h"
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static int ush_cmd_append(const ush_state *sh, const char *arg) {
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char path_arg[USH_PATH_MAX];
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char abs_path[USH_PATH_MAX];
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const char *payload = (const char *)0;
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u64 payload_len;
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if (arg == (const char *)0 || arg[0] == '\0') {
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ush_writeln("append: usage append <file> <text>");
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return 0;
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}
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if (ush_split_first_and_rest(arg, path_arg, (u64)sizeof(path_arg), &payload) == 0) {
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ush_writeln("append: usage append <file> <text>");
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return 0;
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}
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if (ush_resolve_path(sh, path_arg, abs_path, (u64)sizeof(abs_path)) == 0) {
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ush_writeln("append: invalid path");
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return 0;
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}
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if (ush_path_is_under_temp(abs_path) == 0) {
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ush_writeln("append: target must be under /temp");
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return 0;
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}
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if (payload == (const char *)0 || payload[0] == '\0') {
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if (ush_pipeline_stdin_text == (const char *)0) {
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ush_writeln("append: usage append <file> <text>");
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return 0;
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}
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payload = ush_pipeline_stdin_text;
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payload_len = ush_pipeline_stdin_len;
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} else {
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payload_len = ush_strlen(payload);
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}
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if (cleonos_sys_fs_append(abs_path, payload, payload_len) == 0ULL) {
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ush_writeln("append: failed");
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return 0;
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}
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return 1;
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}
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int cleonos_app_main(void) {
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ush_cmd_ctx ctx;
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ush_cmd_ret ret;
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ush_state sh;
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char initial_cwd[USH_PATH_MAX];
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int has_context = 0;
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int success = 0;
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const char *arg = "";
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ush_zero(&ctx, (u64)sizeof(ctx));
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ush_zero(&ret, (u64)sizeof(ret));
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ush_init_state(&sh);
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ush_copy(initial_cwd, (u64)sizeof(initial_cwd), sh.cwd);
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if (ush_command_ctx_read(&ctx) != 0) {
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if (ctx.cmd[0] != '\0' && ush_streq(ctx.cmd, "append") != 0) {
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has_context = 1;
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arg = ctx.arg;
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if (ctx.cwd[0] == '/') {
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ush_copy(sh.cwd, (u64)sizeof(sh.cwd), ctx.cwd);
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ush_copy(initial_cwd, (u64)sizeof(initial_cwd), sh.cwd);
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}
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}
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}
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success = ush_cmd_append(&sh, arg);
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if (has_context != 0) {
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if (ush_streq(sh.cwd, initial_cwd) == 0) {
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ret.flags |= USH_CMD_RET_FLAG_CWD;
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ush_copy(ret.cwd, (u64)sizeof(ret.cwd), sh.cwd);
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}
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if (sh.exit_requested != 0) {
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ret.flags |= USH_CMD_RET_FLAG_EXIT;
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ret.exit_code = sh.exit_code;
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}
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(void)ush_command_ret_write(&ret);
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}
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return (success != 0) ? 0 : 1;
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}
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