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https://github.com/ByteWelder/Tactility.git
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48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
#include <coreutils/command_support.h>
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#include <app/manager.h>
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#include <app/manifest.h>
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#include <cstdio>
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/* Reports where a command comes from: a shell builtin, a bundled binary, or nothing. */
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namespace coreutils::which {
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static int32_t main(int argc, char* argv[]) {
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if (argc < 2) {
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printf("Usage: which <command>...\n");
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return 1;
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}
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int status = 0;
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for (int i = 1; i < argc; i++) {
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AppManifest manifest {};
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const bool is_registered = app_manager_find_manifest(argv[i], &manifest) == ERROR_NONE
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&& (manifest.flags & APP_MANIFEST_FLAG_HEADLESS) != 0
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&& (manifest.flags & APP_MANIFEST_FLAG_HIDDEN) == 0;
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if (is_registered) {
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if (manifest.location.type == APP_LOCATION_MEMORY) {
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puts("builtin");
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} else {
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puts(static_cast<const char*>(manifest.location.location));
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}
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} else {
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fprintf(stderr, "which: no %s found\n", argv[i]);
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status = 1;
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}
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}
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return status;
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}
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extern const ::AppManifest manifest = {
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.id = "which",
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.name = "which",
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.category = APP_CATEGORY_SYSTEM,
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.location = { .type = APP_LOCATION_MEMORY, .location = reinterpret_cast<void*>(main) },
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.flags = APP_MANIFEST_FLAG_HEADLESS,
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.stack = { .depth = 3072, .desired_memory_capability = 0 },
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};
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} // namespace coreutils::which
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