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-rw-r--r--src/filter.c46
-rw-r--r--src/filter.h7
-rw-r--r--src/gammad.c28
-rw-r--r--src/output.c68
-rw-r--r--src/output.h4
-rw-r--r--src/ramps.c4
-rw-r--r--src/ramps.h4
7 files changed, 97 insertions, 64 deletions
diff --git a/src/filter.c b/src/filter.c
index 508fd5f..5fa91ef 100644
--- a/src/filter.c
+++ b/src/filter.c
@@ -47,48 +47,49 @@ void filter_destroy(struct filter* this)
* @param ramps_size The byte-size of `this->ramps`
* @return The number of marshalled byte
*/
-size_t filter_marshal(const struct filter* this, char* buf, size_t ramps_size)
+size_t filter_marshal(const struct filter* this, void* buf, size_t ramps_size)
{
size_t off = 0, n;
char nonnulls = 0;
+ char* bs = buf;
- if (buf != NULL)
+ if (bs != NULL)
{
if (this->crtc != NULL) nonnulls |= 1;
if (this->class != NULL) nonnulls |= 2;
if (this->ramps != NULL) nonnulls |= 4;
- *(buf + off) = nonnulls;
+ *(bs + off) = nonnulls;
}
off += 1;
- if (buf != NULL)
- *(int64_t*)(buf + off) = this->priority;
+ if (bs != NULL)
+ *(int64_t*)(bs + off) = this->priority;
off += sizeof(int64_t);
- if (buf != NULL)
- *(enum lifespan*)(buf + off) = this->lifespan;
+ if (bs != NULL)
+ *(enum lifespan*)(bs + off) = this->lifespan;
off += sizeof(enum lifespan);
if (this->crtc != NULL)
{
n = strlen(this->crtc) + 1;
- if (buf != NULL)
- memcpy(buf + off, this->crtc, n);
+ if (bs != NULL)
+ memcpy(bs + off, this->crtc, n);
off += n;
}
if (this->class != NULL)
{
n = strlen(this->class) + 1;
- if (buf != NULL)
- memcpy(buf + off, this->class, n);
+ if (bs != NULL)
+ memcpy(bs + off, this->class, n);
off += n;
}
if (this->ramps != NULL)
{
- if (buf != NULL)
- memcpy(buf + off, this->ramps, ramps_size);
+ if (bs != NULL)
+ memcpy(bs + off, this->ramps, ramps_size);
off += ramps_size;
}
@@ -104,43 +105,44 @@ size_t filter_marshal(const struct filter* this, char* buf, size_t ramps_size)
* @param ramps_size The byte-size of `this->ramps`
* @return The number of unmarshalled bytes, 0 on error
*/
-size_t filter_unmarshal(struct filter* this, const char* buf, size_t ramps_size)
+size_t filter_unmarshal(struct filter* this, const void* buf, size_t ramps_size)
{
size_t off = 0, n;
char nonnulls = 0;
+ const char* bs = buf;
- nonnulls = *(buf + off);
+ nonnulls = *(bs + off);
off += 1;
this->crtc = NULL;
this->class = NULL;
this->ramps = NULL;
- this->priority = *(const int64_t*)(buf + off);
+ this->priority = *(const int64_t*)(bs + off);
off += sizeof(int64_t);
- this->lifespan = *(const enum lifespan*)(buf + off);
+ this->lifespan = *(const enum lifespan*)(bs + off);
off += sizeof(enum lifespan);
if (nonnulls & 1)
{
- n = strlen(buf + off) + 1;
- if (!(this->crtc = memdup(buf + off, n)))
+ n = strlen(bs + off) + 1;
+ if (!(this->crtc = memdup(bs + off, n)))
goto fail;
off += n;
}
if (nonnulls & 2)
{
- n = strlen(buf + off) + 1;
- if (!(this->class = memdup(buf + off, n)))
+ n = strlen(bs + off) + 1;
+ if (!(this->class = memdup(bs + off, n)))
goto fail;
off += n;
}
if (nonnulls & 4)
{
- if (!(this->ramps = memdup(buf + off, ramps_size)))
+ if (!(this->ramps = memdup(bs + off, ramps_size)))
goto fail;
off += ramps_size;
}
diff --git a/src/filter.h b/src/filter.h
index d53650c..f625125 100644
--- a/src/filter.h
+++ b/src/filter.h
@@ -51,7 +51,8 @@ struct filter
{
/**
* The client that applied it. This need not be
- * set unless `.lifespan == LIFESPAN_UNTIL_DEATH`.
+ * set unless `.lifespan == LIFESPAN_UNTIL_DEATH`
+ * and unless the process itself added this.
* This is the file descriptor of the client's
* connection.
*/
@@ -106,7 +107,7 @@ void filter_destroy(struct filter* this);
* @param ramps_size The byte-size of `filter->ramps`
* @return The number of marshalled byte
*/
-size_t filter_marshal(const struct filter* this, char* buf, size_t ramps_size);
+size_t filter_marshal(const struct filter* this, void* buf, size_t ramps_size);
/**
* Unmarshal a filter
@@ -117,5 +118,5 @@ size_t filter_marshal(const struct filter* this, char* buf, size_t ramps_size);
* @param ramps_size The byte-size of `filter->ramps`
* @return The number of unmarshalled bytes, 0 on error
*/
-size_t filter_unmarshal(struct filter* this, const char* buf, size_t ramps_size);
+size_t filter_unmarshal(struct filter* this, const void* buf, size_t ramps_size);
diff --git a/src/gammad.c b/src/gammad.c
index 9d517bd..43c3586 100644
--- a/src/gammad.c
+++ b/src/gammad.c
@@ -325,6 +325,34 @@ int main(int argc, char** argv)
break;
}
+ /* Preserve current gamma ramps at priority=0 if -p */
+ if (preserve)
+ for (i = 0; i < outputs_n; i++)
+ {
+ struct filter filter = {
+ .client = -1,
+ .crtc = NULL,
+ .priority = 0,
+ .class = NULL,
+ .lifespan = LIFESPAN_UNTIL_REMOVAL,
+ .ramps = NULL
+ };
+ outputs[i].table_filters = calloc(4, sizeof(*(outputs[i].table_filters)));
+ outputs[i].table_sums = calloc(4, sizeof(*(outputs[i].table_sums)));
+ outputs[i].table_alloc = 4;
+ outputs[i].table_size = 1;
+ filter.class = memdup(PKGNAME "::" COMMAND "::preserved", sizeof(PKGNAME "::" COMMAND "::preserved"));
+ if (filter.class == NULL)
+ goto fail;
+ filter.ramps = memdup(outputs[i].saved_ramps.u8.red, outputs[i].ramps_size);
+ if (filter.ramps == NULL)
+ goto fail;
+ outputs[i].table_filters[0] = filter;
+ COPY_RAMP_SIZES(&(outputs[i].table_sums[0].u8), outputs + i);
+ if (!gamma_ramps_unmarshal(outputs[i].table_sums, outputs[i].saved_ramps.u8.red, outputs[i].ramps_size))
+ goto fail;
+ }
+
/* Done */
rc = 0;
done:
diff --git a/src/output.c b/src/output.c
index d6fae94..b0e0c14 100644
--- a/src/output.c
+++ b/src/output.c
@@ -88,49 +88,50 @@ void output_destroy(struct output* this)
* needs to be
* @return The number of marshalled byte
*/
-size_t output_marshal(const struct output* this, char* buf)
+size_t output_marshal(const struct output* this, void* buf)
{
size_t off = 0, i, n;
+ char* bs = buf;
- if (buf != NULL)
- *(signed*)(buf + off) = this->depth;
+ if (bs != NULL)
+ *(signed*)(bs + off) = this->depth;
off += sizeof(signed);
- if (buf != NULL)
- *(size_t*)(buf + off) = this->red_size;
+ if (bs != NULL)
+ *(size_t*)(bs + off) = this->red_size;
off += sizeof(size_t);
- if (buf != NULL)
- *(size_t*)(buf + off) = this->green_size;
+ if (bs != NULL)
+ *(size_t*)(bs + off) = this->green_size;
off += sizeof(size_t);
- if (buf != NULL)
- *(size_t*)(buf + off) = this->blue_size;
+ if (bs != NULL)
+ *(size_t*)(bs + off) = this->blue_size;
off += sizeof(size_t);
- if (buf != NULL)
- *(size_t*)(buf + off) = this->ramps_size;
+ if (bs != NULL)
+ *(size_t*)(bs + off) = this->ramps_size;
off += sizeof(size_t);
- if (buf != NULL)
- *(enum libgamma_decision*)(buf + off) = this->supported;
+ if (bs != NULL)
+ *(enum libgamma_decision*)(bs + off) = this->supported;
off += sizeof(enum libgamma_decision);
n = strlen(this->name) + 1;
- if (buf != NULL)
- memcpy(buf + off, this->name, n);
+ if (bs != NULL)
+ memcpy(bs + off, this->name, n);
off += n;
- off += gamma_ramps_marshal(&(this->saved_ramps), buf ? buf + off : NULL, this->ramps_size);
+ off += gamma_ramps_marshal(&(this->saved_ramps), bs ? bs + off : NULL, this->ramps_size);
- if (buf != NULL)
- *(size_t*)(buf + off) = this->table_size;
+ if (bs != NULL)
+ *(size_t*)(bs + off) = this->table_size;
off += sizeof(size_t);
for (i = 0; i < this->table_size; i++)
{
- off += filter_marshal(this->table_filters + i, buf ? buf + off : NULL, this->ramps_size);
- off += gamma_ramps_marshal(this->table_sums + i, buf ? buf + off : NULL, this->ramps_size);
+ off += filter_marshal(this->table_filters + i, bs ? bs + off : NULL, this->ramps_size);
+ off += gamma_ramps_marshal(this->table_sums + i, bs ? bs + off : NULL, this->ramps_size);
}
return off;
@@ -144,42 +145,43 @@ size_t output_marshal(const struct output* this, char* buf)
* @param buf Buffer with the marshalled output
* @return The number of unmarshalled bytes, 0 on error
*/
-size_t output_unmarshal(struct output* this, const char* buf)
+size_t output_unmarshal(struct output* this, const void* buf)
{
size_t off = 0, i, n;
+ const char* bs = buf;
this->crtc = NULL;
this->name = NULL;
- this->depth = *(const signed*)(buf + off);
+ this->depth = *(const signed*)(bs + off);
off += sizeof(signed);
- this->red_size = *(const size_t*)(buf + off);
+ this->red_size = *(const size_t*)(bs + off);
off += sizeof(size_t);
- this->green_size = *(const size_t*)(buf + off);
+ this->green_size = *(const size_t*)(bs + off);
off += sizeof(size_t);
- this->blue_size = *(const size_t*)(buf + off);
+ this->blue_size = *(const size_t*)(bs + off);
off += sizeof(size_t);
- this->ramps_size = *(const size_t*)(buf + off);
+ this->ramps_size = *(const size_t*)(bs + off);
off += sizeof(size_t);
- this->supported = *(const enum libgamma_decision*)(buf + off);
+ this->supported = *(const enum libgamma_decision*)(bs + off);
off += sizeof(enum libgamma_decision);
- n = strlen(buf + off) + 1;
- this->name = memdup(buf + off, n);
+ n = strlen(bs + off) + 1;
+ this->name = memdup(bs + off, n);
if (this->name == NULL)
return 0;
- off += n = gamma_ramps_unmarshal(&(this->saved_ramps), buf, this->ramps_size);
+ off += n = gamma_ramps_unmarshal(&(this->saved_ramps), bs, this->ramps_size);
COPY_RAMP_SIZES(&(this->saved_ramps.u8), this);
if (n == 0)
return 0;
- this->table_size = this->table_alloc = *(const size_t*)(buf + off);
+ this->table_size = this->table_alloc = *(const size_t*)(bs + off);
off += sizeof(size_t);
if (this->table_size > 0)
{
@@ -193,11 +195,11 @@ size_t output_unmarshal(struct output* this, const char* buf)
for (i = 0; i < this->table_size; i++)
{
- off += n = filter_unmarshal(this->table_filters + i, buf + off, this->ramps_size);
+ off += n = filter_unmarshal(this->table_filters + i, bs + off, this->ramps_size);
if (n == 0)
return 0;
COPY_RAMP_SIZES(&(this->table_sums[i].u8), this);
- off += n = gamma_ramps_unmarshal(this->table_sums + i, buf + off, this->ramps_size);
+ off += n = gamma_ramps_unmarshal(this->table_sums + i, bs + off, this->ramps_size);
if (n == 0)
return 0;
}
diff --git a/src/output.h b/src/output.h
index 6e0c4d5..248dad6 100644
--- a/src/output.h
+++ b/src/output.h
@@ -128,7 +128,7 @@ void output_destroy(struct output* this);
* needs to be
* @return The number of marshalled byte
*/
-size_t output_marshal(const struct output* this, char* buf);
+size_t output_marshal(const struct output* this, void* buf);
/**
* Unmarshal an output
@@ -137,7 +137,7 @@ size_t output_marshal(const struct output* this, char* buf);
* @param buf Buffer with the marshalled output
* @return The number of unmarshalled bytes, 0 on error
*/
-size_t output_unmarshal(struct output* this, const char* buf);
+size_t output_unmarshal(struct output* this, const void* buf);
/**
* Compare to outputs by the names of their respective CRTC:s
diff --git a/src/ramps.c b/src/ramps.c
index 2c24b52..32c7994 100644
--- a/src/ramps.c
+++ b/src/ramps.c
@@ -40,7 +40,7 @@ extern char* argv0;
* @param ramps_size The byte-size of ramps
* @return The number of marshalled byte
*/
-size_t gamma_ramps_marshal(const union gamma_ramps* this, char* buf, size_t ramps_size)
+size_t gamma_ramps_marshal(const union gamma_ramps* this, void* buf, size_t ramps_size)
{
if (buf != NULL)
memcpy(buf, this->u8.red, ramps_size);
@@ -57,7 +57,7 @@ size_t gamma_ramps_marshal(const union gamma_ramps* this, char* buf, size_t ramp
* @param ramps_size The byte-size of ramps
* @return The number of unmarshalled bytes, 0 on error
*/
-size_t gamma_ramps_unmarshal(union gamma_ramps* this, const char* buf, size_t ramps_size)
+size_t gamma_ramps_unmarshal(union gamma_ramps* this, const void* buf, size_t ramps_size)
{
size_t depth = ramps_size / (this->u8.red_size + this->u8.green_size + this->u8.blue_size);
int r = 0;
diff --git a/src/ramps.h b/src/ramps.h
index 7aa08fd..d01a22e 100644
--- a/src/ramps.h
+++ b/src/ramps.h
@@ -68,7 +68,7 @@ union gamma_ramps
* @param ramps_size The byte-size of ramps
* @return The number of marshalled byte
*/
-size_t gamma_ramps_marshal(const union gamma_ramps* this, char* buf, size_t ramps_size);
+size_t gamma_ramps_marshal(const union gamma_ramps* this, void* buf, size_t ramps_size);
/**
* Unmarshal a ramp trio
@@ -78,5 +78,5 @@ size_t gamma_ramps_marshal(const union gamma_ramps* this, char* buf, size_t ramp
* @param ramps_size The byte-size of ramps
* @return The number of unmarshalled bytes, 0 on error
*/
-size_t gamma_ramps_unmarshal(union gamma_ramps* this, const char* buf, size_t ramps_size);
+size_t gamma_ramps_unmarshal(union gamma_ramps* this, const void* buf, size_t ramps_size);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-15 07:25:24 +0000