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base: avoid use of deprecated base/printf.h

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Besides adapting the components to the use of base/log.h, the patch
cleans up a few base headers, i.e., it removes unused includes from
root/component.h, specifically base/heap.h and
ram_session/ram_session.h. Hence, components that relied on the implicit
inclusion of those headers have to manually include those headers now.

While adjusting the log messages, I repeatedly stumbled over the problem
that printing char * arguments is ambiguous. It is unclear whether to
print the argument as pointer or null-terminated string. To overcome
this problem, the patch introduces a new type 'Cstring' that allows the
caller to express that the argument should be handled as null-terminated
string. As a nice side effect, with this type in place, the optional len
argument of the 'String' class could be removed. Instead of supplying a
pair of (char const *, size_t), the constructor accepts a 'Cstring'.
This, in turn, clears the way let the 'String' constructor use the new
output mechanism to assemble a string from multiple arguments (and
thereby getting rid of snprintf within Genode in the near future).

To enforce the explicit resolution of the char * ambiguity, the 'char *'
overload of the 'print' function is marked as deleted.

Issue #1987
This commit is contained in:
Norman Feske
2016-07-13 19:07:09 +02:00
committed by Christian Helmuth
parent a5d3aa8373
commit 17c79a9e23
699 changed files with 5156 additions and 5865 deletions
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10
repos/dde_bsd/src/lib/audio/bus.cc
View File

@ -319,7 +319,7 @@ struct Io_memory : public Bus_space
int Bsd::probe_drivers(Genode::Env &env, Genode::Allocator &alloc)
{
PINF("--- probe drivers ---");
Genode::log("--- probe drivers ---");
static Pci_driver drv(env, alloc);
return drv.probe();
}
@ -529,8 +529,8 @@ extern "C" int bus_dmamap_load(bus_dma_tag_t tag, bus_dmamap_t dmam, void *buf,
extern "C" void bus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t)
{
Genode::log("not implemented, called from ",
__builtin_return_address(0));
Genode::warning("not implemented, called from ",
__builtin_return_address(0));
}
@ -590,7 +590,7 @@ extern "C" void bus_dmamem_unmap(bus_dma_tag_t, caddr_t, size_t) { }
extern "C" paddr_t bus_dmamem_mmap(bus_dma_tag_t, bus_dma_segment_t *,
int, off_t, int, int)
{
Genode::log("not implemented, called from ",
__builtin_return_address(0));
Genode::warning("not implemented, called from ",
__builtin_return_address(0));
return 0;
}

4
repos/dde_bsd/src/lib/audio/dummies.cc
View File

@ -25,14 +25,14 @@ enum {
#define DUMMY(retval, name) \
DUMMY name(void) { \
if (SHOW_DUMMY) \
Genode::log( #name " called (from ", __builtin_return_address(0), ") not implemented"); \
Genode::warning( #name " called (from ", __builtin_return_address(0), ") not implemented"); \
return retval; \
}
#define DUMMY_SKIP(retval, name) \
DUMMY name(void) { \
if (SHOW_SKIP) \
Genode::log( #name " called (from ", __builtin_return_address(0), ") skipped"); \
Genode::warning( #name " called (from ", __builtin_return_address(0), ") skipped"); \
return retval; \
}