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authorMattias Andrée <maandree@operamail.com>2014-05-21 05:24:44 +0200
committerMattias Andrée <maandree@operamail.com>2014-05-21 05:24:44 +0200
commit9b89ba3ec7bfcdc9abb8ef38592db0aa94d0882f (patch)
tree65c8cd611651814681eb427bca34c45ef0133262 /src
parentadd api .h files (diff)
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add restrict:s and __attribute__:s
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'src')
-rw-r--r--src/libgamma-facade.h68
1 files changed, 37 insertions, 31 deletions
diff --git a/src/libgamma-facade.h b/src/libgamma-facade.h
index 77b0a3a..9d7b91e 100644
--- a/src/libgamma-facade.h
+++ b/src/libgamma-facade.h
@@ -31,7 +31,7 @@
* @param this The data structure to fill with the method's capabilities
* @param method The adjustment method (display server and protocol)
*/
-void libgamma_method_capabilities(libgamma_method_capabilities_t* this, int method);
+void libgamma_method_capabilities(libgamma_method_capabilities_t* restrict this, int method);
/**
* Return the capabilities of an adjustment method
@@ -41,7 +41,7 @@ void libgamma_method_capabilities(libgamma_method_capabilities_t* this, int meth
* if multiple sites are not supported by the adjustment
* method. This value should not be free:d.
*/
-char* libgamma_method_default_site(int method);
+char* libgamma_method_default_site(int method) __attribute__((pure));
/**
* Return the capabilities of an adjustment method
@@ -52,7 +52,7 @@ char* libgamma_method_default_site(int method);
* the method does not support multiple sites.
* This value should not be free:d.
*/
-const char* libgamma_method_default_site_variable(int method);
+const char* libgamma_method_default_site_variable(int method) __attribute__((const));
/**
@@ -68,15 +68,15 @@ const char* libgamma_method_default_site_variable(int method);
* @return Zero on success, otherwise (negative) the value of an
* error identifier provided by this library
*/
-int libgamma_site_initialise(libgamma_site_state_t* this,
- int method, char* site);
+int libgamma_site_initialise(libgamma_site_state_t* restrict this,
+ int method, char* restrict site);
/**
* Release all resources held by a site state
*
* @param this The site state
*/
-void libgamma_site_destroy(libgamma_site_state_t* this);
+void libgamma_site_destroy(libgamma_site_state_t* restrict this);
/**
* Release all resources held by a site state
@@ -84,7 +84,7 @@ void libgamma_site_destroy(libgamma_site_state_t* this);
*
* @param this The site state
*/
-void libgamma_site_free(libgamma_site_state_t* this);
+void libgamma_site_free(libgamma_site_state_t* restrict this);
/**
* Restore the gamma ramps all CRTCS with a site to the system settings
@@ -93,7 +93,7 @@ void libgamma_site_free(libgamma_site_state_t* this);
* @return Zero on success, otherwise (negative) the value of an
* error identifier provided by this library
*/
-int libgamma_site_restore(libgamma_site_state_t* this);
+int libgamma_site_restore(libgamma_site_state_t* restrict this);
/**
@@ -105,15 +105,15 @@ int libgamma_site_restore(libgamma_site_state_t* this);
* @return Zero on success, otherwise (negative) the value of an
* error identifier provided by this library
*/
-int libgamma_partition_initialise(libgamma_partition_state_t* this,
- libgamma_site_state_t* site, size_t partition);
+int libgamma_partition_initialise(libgamma_partition_state_t* restrict this,
+ libgamma_site_state_t* restrict site, size_t partition);
/**
* Release all resources held by a partition state
*
* @param this The partition state
*/
-void libgamma_partition_destroy(libgamma_partition_state_t* this);
+void libgamma_partition_destroy(libgamma_partition_state_t* restrict this);
/**
* Release all resources held by a partition state
@@ -121,7 +121,7 @@ void libgamma_partition_destroy(libgamma_partition_state_t* this);
*
* @param this The partition state
*/
-void libgamma_partition_free(libgamma_partition_state_t* this);
+void libgamma_partition_free(libgamma_partition_state_t* restrict this);
/**
* Restore the gamma ramps all CRTCS with a partition to the system settings
@@ -130,7 +130,7 @@ void libgamma_partition_free(libgamma_partition_state_t* this);
* @return Zero on success, otherwise (negative) the value of an
* error identifier provided by this library
*/
-int libgamma_partition_restore(libgamma_site_state_t* this);
+int libgamma_partition_restore(libgamma_site_state_t* restrict this);
/**
@@ -142,15 +142,15 @@ int libgamma_partition_restore(libgamma_site_state_t* this);
* @return Zero on success, otherwise (negative) the value of an
* error identifier provided by this library
*/
-int libgamma_crtc_initialise(libgamma_crtc_state_t* this,
- libgamma_partition_state_t* partition, size_t crtc);
+int libgamma_crtc_initialise(libgamma_crtc_state_t* restrict this,
+ libgamma_partition_state_t* restrict partition, size_t crtc);
/**
* Release all resources held by a CRTC state
*
* @param this The CRTC state
*/
-void libgamma_crtc_destroy(libgamma_crtc_state_t* this);
+void libgamma_crtc_destroy(libgamma_crtc_state_t* restrict this);
/**
* Release all resources held by a CRTC state
@@ -158,7 +158,7 @@ void libgamma_crtc_destroy(libgamma_crtc_state_t* this);
*
* @param this The CRTC state
*/
-void libgamma_crtc_free(libgamma_crtc_state_t* this);
+void libgamma_crtc_free(libgamma_crtc_state_t* restrict this);
/**
* Restore the gamma ramps for a CRTC to the system settings for that CRTC
@@ -167,7 +167,7 @@ void libgamma_crtc_free(libgamma_crtc_state_t* this);
* @return Zero on success, otherwise (negative) the value of an
* error identifier provided by this library
*/
-int libgamma_crtc_restore(libgamma_site_state_t* this);
+int libgamma_crtc_restore(libgamma_site_state_t* restrict this);
/**
@@ -178,15 +178,15 @@ int libgamma_crtc_restore(libgamma_site_state_t* this);
* @param field OR:ed identifiers for the information about the CRTC that should be read
* @return Zero on success, -1 on error. On error refer to the error reports in `this`.
*/
-int libgamma_get_crtc_information(libgamma_crtc_information_t* this,
- libgamma_crtc_state_t* crtc, int32_t field);
+int libgamma_get_crtc_information(libgamma_crtc_information_t* restrict this,
+ libgamma_crtc_state_t* restrict crtc, int32_t field);
/**
* Release all resources in an information data structure for a CRTC
*
* @param this The CRTC information
*/
-int libgamma_crtc_information_destroy(libgamma_crtc_information_t* this);
+int libgamma_crtc_information_destroy(libgamma_crtc_information_t* restrict this);
/**
* Release all resources in an information data structure for a CRTC
@@ -194,7 +194,7 @@ int libgamma_crtc_information_destroy(libgamma_crtc_information_t* this);
*
* @param this The CRTC information
*/
-int libgamma_crtc_information_free(libgamma_crtc_information_t* this);
+int libgamma_crtc_information_free(libgamma_crtc_information_t* restrict this);
/**
* Convert a raw representation of an EDID to a lowercase hexadecimal representation
@@ -215,7 +215,7 @@ int libgamma_crtc_information_free(libgamma_crtc_information_t* this);
* @retrun The EDID in lowercase hexadecimal representation,
* `NULL` on allocation error, `errno` will be set accordingly
*/
-char* libgamma_behex_edid_lowercase(const unsigned char* edid, size_t length);
+char* libgamma_behex_edid_lowercase(const unsigned char* restrict edid, size_t length);
/**
* Convert a raw representation of an EDID to an uppercase hexadecimal representation
@@ -225,7 +225,7 @@ char* libgamma_behex_edid_lowercase(const unsigned char* edid, size_t length);
* @retrun The EDID in uppercase hexadecimal representation,
* NULL` on allocation error, `errno` will be set accordingly
*/
-char* libgamma_behex_edid_uppercase(const unsigned char* edid, size_t length);
+char* libgamma_behex_edid_uppercase(const unsigned char* restrict edid, size_t length);
/**
* Convert an hexadecimal representation of an EDID to a raw representation
@@ -235,7 +235,7 @@ char* libgamma_behex_edid_uppercase(const unsigned char* edid, size_t length);
* of `edid` (the input value). `NULL` on allocation error,
* `errno` will be set accordingly.
*/
-unsigned char* libgamma_unhex_edid(const char* edid);
+unsigned char* libgamma_unhex_edid(const char* restrict edid);
/**
@@ -246,7 +246,8 @@ unsigned char* libgamma_unhex_edid(const char* edid);
* @return Zero on success, otherwise (negative) the value of an
* error identifier provided by this library
*/
-int libgamma_crtc_set_gamma_ramps(libgamma_crtc_state_t* this, libgamma_gamma_ramps_t ramps);
+int libgamma_crtc_set_gamma_ramps(libgamma_crtc_state_t* restrict this,
+ libgamma_gamma_ramps_t ramps);
/**
* Get current the gamma ramps for a CRTC, 16-bit gamma-depth version
@@ -256,7 +257,8 @@ int libgamma_crtc_set_gamma_ramps(libgamma_crtc_state_t* this, libgamma_gamma_ra
* @return Zero on success, otherwise (negative) the value of an
* error identifier provided by this library
*/
-int libgamma_crtc_get_gamma_ramps(libgamma_crtc_state_t* this, libgamma_gamma_ramps_t* ramps);
+int libgamma_crtc_get_gamma_ramps(libgamma_crtc_state_t* restrict this,
+ libgamma_gamma_ramps_t* restrict ramps);
/**
@@ -267,7 +269,8 @@ int libgamma_crtc_get_gamma_ramps(libgamma_crtc_state_t* this, libgamma_gamma_ra
* @return Zero on success, otherwise (negative) the value of an
* error identifier provided by this library
*/
-int libgamma_crtc_set_gamma_ramps32(libgamma_crtc_state_t* this, libgamma_gamma_ramps32_t ramps);
+int libgamma_crtc_set_gamma_ramps32(libgamma_crtc_state_t* restrict this,
+ libgamma_gamma_ramps32_t ramps);
/**
* Get current the gamma ramps for a CRTC, 32-bit gamma-depth version
@@ -277,7 +280,8 @@ int libgamma_crtc_set_gamma_ramps32(libgamma_crtc_state_t* this, libgamma_gamma_
* @return Zero on success, otherwise (negative) the value of an
* error identifier provided by this library
*/
-int libgamma_crtc_get_gamma_ramps32(libgamma_crtc_state_t* this, libgamma_gamma_ramps32_t* ramps);
+int libgamma_crtc_get_gamma_ramps32(libgamma_crtc_state_t* restrict this,
+ libgamma_gamma_ramps32_t* restrict ramps);
/**
@@ -288,7 +292,8 @@ int libgamma_crtc_get_gamma_ramps32(libgamma_crtc_state_t* this, libgamma_gamma_
* @return Zero on success, otherwise (negative) the value of an
* error identifier provided by this library
*/
-int libgamma_crtc_set_gamma_ramps64(libgamma_crtc_state_t* this, libgamma_gamma_ramps64_t ramps);
+int libgamma_crtc_set_gamma_ramps64(libgamma_crtc_state_t* restrict this,
+ libgamma_gamma_ramps64_t ramps);
/**
* Get current the gamma ramps for a CRTC, 64-bit gamma-depth version
@@ -298,7 +303,8 @@ int libgamma_crtc_set_gamma_ramps64(libgamma_crtc_state_t* this, libgamma_gamma_
* @return Zero on success, otherwise (negative) the value of an
* error identifier provided by this library
*/
-int libgamma_crtc_get_gamma_ramps64(libgamma_crtc_state_t* this, libgamma_gamma_ramps64_t* ramps);
+int libgamma_crtc_get_gamma_ramps64(libgamma_crtc_state_t* restrict this,
+ libgamma_gamma_ramps64_t* restrict ramps);
#endif