hexagonrpcd: correct -d default in help text

The name of the DSP defaults to none, but the -d option is wrongly
documented as having a default of "adsp". Correct this in the help text.

chrecd/meson.build

@@ -1,7 +1,7 @@
 executable('chrecd',
   'interfaces.c',
   'main.c',
-  c_args : ['-Wall', '-Wextra', '-Wpedantic'],
+  c_args : cflags,
   include_directories : include,
   install : true,
   link_with : libhexagonrpc,

hexagonrpcd/meson.build

@@ -11,7 +11,7 @@ executable('hexagonrpcd',
   'localctl.c',
   'rpcd.c',
   'rpcd_builder.c',
-  c_args : ['-Wall', '-Wextra', '-Wpedantic', '-Wno-unused-parameter'],
+  c_args : cflags,
   include_directories : include,
   install : true,
   link_with : libhexagonrpc,

hexagonrpcd/rpcd.c

@@ -132,7 +132,7 @@ static void print_usage(const char *argv0)
 	printf("Usage: %s [options] -f DEVICE\n\n", argv0);
 	printf("Server for FastRPC remote procedure calls from Qualcomm DSPs\n\n"
 	       "Options:\n"
-	       "\t-d DSP\t\tDSP name (default: adsp)\n"
+	       "\t-d DSP\t\tDSP name (default: "")\n"
 	       "\t-f DEVICE\tFastRPC device node to attach to\n"
 	       "\t-p PROGRAM\tRun client program with shared file descriptor\n"
 	       "\t-R DIR\t\tRoot directory of served files (default: /usr/share/qcom/)\n"
@@ -237,7 +237,7 @@ int main(int argc, char* argv[])
 {
 	char *fastrpc_node = NULL;
 	const char *device_dir = "/usr/share/qcom/";
-	const char *dsp;
+	const char *dsp = "";
 	const char **progs;
 	pid_t *pids;
 	size_t n_progs = 0;

libhexagonrpc/meson.build

@@ -3,6 +3,7 @@ libhexagonrpc = shared_library('hexagonrpc',
   'fastrpc.c',
   'interfaces.c',
   'session.c',
+  c_args : cflags,
   include_directories : include,
   install : true
 )

meson.build

@@ -3,6 +3,12 @@ project('fastrpc', 'c')
 include = include_directories('include')
 client_target = get_option('libexecdir') / 'hexagonrpc'
 
+cflags = ['-Wall', '-Wextra', '-Wpedantic', '-Wno-unused-parameter']
+
+if get_option('hexagonrpcd_verbose')
+  cflags += '-DHEXAGONRPC_VERBOSE'
+endif
+
 subdir('libhexagonrpc')
 subdir('hexagonrpcd')
 subdir('chrecd')

meson.options

@@ -0,0 +1,2 @@
+option('hexagonrpcd_verbose', type : 'boolean', value : true,
+  description : 'Compile hexagonrpcd with extra logging for each remote method invocation')

tests/meson.build

@@ -7,6 +7,7 @@ endif
 test_iobuffer = executable('test_iobuffer',
   'test_iobuffer.c',
   '../hexagonrpcd/iobuffer.c',
+  c_args : cflags,
   include_directories : include,
 )
 

tests/test_iobuffer.c

@@ -24,7 +24,7 @@
 
 #include "../hexagonrpcd/iobuffer.h"
 
-static const char misaligned_iobufs[] = {
+static const unsigned char misaligned_iobufs[] = {
 	/* inbuf 0 (4 bytes misaligned) */
 	0x01, 0x00, 0x00, 0x00,
 	0x00, 0x00, 0x00, 0x00,
@@ -58,16 +58,16 @@ static const char misaligned_iobufs[] = {
 	':', 'D',
 };
 
-static char misaligned_decoded0[] = { 0x12, };
-static char misaligned_decoded1[] = {
+static unsigned char misaligned_decoded0[] = { 0x12, };
+static unsigned char misaligned_decoded1[] = {
 	0x02, 0x46, 0x8A, 0xCF, 0x13, 0x57, 0x9B, 0xDF, 0x04, 0x8C,
 };
-static char misaligned_decoded2[] = { 'A', 'B', 'C', };
-static char misaligned_decoded3[] = { 'F', 'a', 's', 't', };
-static char misaligned_decoded4[] = { 'S', 'l', 'o', 'w', '\0', };
-static char misaligned_decoded5[] = { 'f', 'a', 's', 't', 'e', 'r', };
-static char misaligned_decoded6[] = { 'F', 'a', 's', 't', 'R', 'P', 'C', };
-static char misaligned_decoded7[] = { ':', 'D', };
+static unsigned char misaligned_decoded2[] = { 'A', 'B', 'C', };
+static unsigned char misaligned_decoded3[] = { 'F', 'a', 's', 't', };
+static unsigned char misaligned_decoded4[] = { 'S', 'l', 'o', 'w', '\0', };
+static unsigned char misaligned_decoded5[] = { 'f', 'a', 's', 't', 'e', 'r', };
+static unsigned char misaligned_decoded6[] = { 'F', 'a', 's', 't', 'R', 'P', 'C', };
+static unsigned char misaligned_decoded7[] = { ':', 'D', };
 
 static const struct fastrpc_io_buffer misaligned_decoded[] = {
 	{ .s =  1, .p = misaligned_decoded0, },
@@ -242,4 +242,6 @@ int main(int argc, const char **argv)
 	ret = test_out_misaligned();
 	if (ret)
 		return ret;
+
+	return 0;
 }