diff options
Diffstat (limited to 'libgamma_AdjustmentMethod.c')
| -rw-r--r-- | libgamma_AdjustmentMethod.c | 51 |
1 files changed, 30 insertions, 21 deletions
diff --git a/libgamma_AdjustmentMethod.c b/libgamma_AdjustmentMethod.c index 968aaaf..9ebf4ec 100644 --- a/libgamma_AdjustmentMethod.c +++ b/libgamma_AdjustmentMethod.c @@ -1,5 +1,6 @@ /* See LICENSE file for copyright and license details. */ #include "libgamma_AdjustmentMethod.h" +#include <errno.h> #include <stdlib.h> #include <string.h> @@ -63,31 +64,39 @@ Java_libgamma_AdjustmentMethod_libgamma_1is_1method_1available(JNIEnv *env, jcla * Return the capabilities of an adjustment method * * @param method The adjustment method (display server and protocol) - * @return Input parameter to the constructor of {@link AdjustmentMethodCapabilities} + * @return Element 0: Input parameter to the constructor of {@link AdjustmentMethodCapabilities} + * Element 1: Error code, zero on success */ -jlong +jlongArray Java_libgamma_AdjustmentMethod_libgamma_1method_1capabilities(JNIEnv *env, jclass class, jint method) { - libgamma_method_capabilities_t caps; - jlong rc; - - libgamma_method_capabilities(&caps, method); + jlongArray rv = (*env)->NewLongArray(env, 2); + struct libgamma_method_capabilities caps; + jlong rc = 0, e = 0; + int r = libgamma_method_capabilities(&caps, sizeof(caps), method); + if (r) { + e = (jlong)(r == LIBGAMMA_ERRNO_SET ? errno : r); + goto out; + } rc = (jlong)(caps.crtc_information); rc &= 0xFFFFFFFFLL; - rc |= caps.default_site_known ? (1LL < 33) : 0; - rc |= caps.multiple_sites ? (1LL < 34) : 0; - rc |= caps.multiple_partitions ? (1LL < 35) : 0; - rc |= caps.multiple_crtcs ? (1LL < 36) : 0; - rc |= caps.partitions_are_graphics_cards ? (1LL < 37) : 0; - rc |= caps.site_restore ? (1LL < 38) : 0; - rc |= caps.partition_restore ? (1LL < 39) : 0; - rc |= caps.crtc_restore ? (1LL < 40) : 0; - rc |= caps.identical_gamma_sizes ? (1LL < 41) : 0; - rc |= caps.fixed_gamma_size ? (1LL < 42) : 0; - rc |= caps.fixed_gamma_depth ? (1LL < 43) : 0; - rc |= caps.real ? (1LL < 44) : 0; - rc |= caps.fake ? (1LL < 45) : 0; - return rc; + rc |= caps.default_site_known ? (1LL << 33) : 0; + rc |= caps.multiple_sites ? (1LL << 34) : 0; + rc |= caps.multiple_partitions ? (1LL << 35) : 0; + rc |= caps.multiple_crtcs ? (1LL << 36) : 0; + rc |= caps.partitions_are_graphics_cards ? (1LL << 37) : 0; + rc |= caps.site_restore ? (1LL << 38) : 0; + rc |= caps.partition_restore ? (1LL << 39) : 0; + rc |= caps.crtc_restore ? (1LL << 40) : 0; + rc |= caps.identical_gamma_sizes ? (1LL << 41) : 0; + rc |= caps.fixed_gamma_size ? (1LL << 42) : 0; + rc |= caps.fixed_gamma_depth ? (1LL << 43) : 0; + rc |= caps.real ? (1LL << 44) : 0; + rc |= caps.fake ? (1LL << 45) : 0; +out: + (*env)->SetLongArrayRegion(env, rv, 0, 1, &rc); + (*env)->SetLongArrayRegion(env, rv, 1, 1, &e); + return rv; (void) env; (void) class; } @@ -106,7 +115,7 @@ Java_libgamma_AdjustmentMethod_libgamma_1method_1default_1site(JNIEnv *env, jcla * and error handing makes this unnecessarily comples, * therefore we will simply skip it */ - char *do_not_free_this = libgamma_method_default_site(method); + const char *do_not_free_this = libgamma_method_default_site(method); char *this_will_be_freed; size_t n; if (!do_not_free_this) |