Make all the tests ANSI C compatible.

tests/SConstruct

@@ -70,15 +70,15 @@ if 'gcc' in env['CC']:
     # GNU Compiler Collection
     
     # Debug info, warnings as errors
-    env.Append(CFLAGS = '-ansi -g -O0 -Wall -Werror --coverage -fstack-protector-all')
+    env.Append(CFLAGS = '-ansi -pedantic -g -O0 -Wall -Werror --coverage -fstack-protector-all')
     env.Append(LINKFLAGS = '--coverage')
     
     # More strict checks on the nanopb core
-    env.Append(CORECFLAGS = '-pedantic -Wextra -Wcast-qual -Wlogical-op -Wconversion')
+    env.Append(CORECFLAGS = '-Wextra -Wcast-qual -Wlogical-op -Wconversion')
 elif 'clang' in env['CC']:
     # CLang
-    env.Append(CFLAGS = '-ansi -g -O0 -Wall -Werror')
-    env.Append(CORECFLAGS = '-pedantic -Wextra -Wcast-qual -Wconversion')
+    env.Append(CFLAGS = '-ansi -pedantic -g -O0 -Wall -Werror')
+    env.Append(CORECFLAGS = ' -Wextra -Wcast-qual -Wconversion')
 elif 'cl' in env['CC']:
     # Microsoft Visual C++
     
@@ -87,7 +87,7 @@ elif 'cl' in env['CC']:
     env.Append(LINKFLAGS = '/DEBUG')
     
     # More strict checks on the nanopb core
-    env.Append(CORECFLAGS = '/W4 /Za')
+    env.Append(CORECFLAGS = '/W4')
     
     # PB_RETURN_ERROR triggers C4127 because of while(0)
     env.Append(CFLAGS = '/wd4127')

tests/backwards_compatibility/encode_legacy.c

@@ -9,6 +9,7 @@
 #include <string.h>
 #include <pb_encode.h>
 #include "alltypes_legacy.h"
+#include "test_helpers.h"
 
 int main(int argc, char **argv)
 {
@@ -114,12 +115,14 @@ int main(int argc, char **argv)
     
     alltypes.end = 1099;
 
+    {    
         uint8_t buffer[1024];
         pb_ostream_t stream = pb_ostream_from_buffer(buffer, sizeof(buffer));
         
         /* Now encode it and check if we succeeded. */
         if (pb_encode(&stream, AllTypes_fields, &alltypes))
         {
+            SET_BINARY_MODE(stdout);
             fwrite(buffer, 1, stream.bytes_written, stdout);
             return 0; /* Success */
         }
@@ -128,4 +131,5 @@ int main(int argc, char **argv)
             fprintf(stderr, "Encoding failed!\n");
             return 1; /* Failure */
         }
+    }
 }

tests/basic_stream/decode_stream.c

@@ -4,6 +4,7 @@
 #include <stdio.h>
 #include <pb_decode.h>
 #include "person.pb.h"
+#include "test_helpers.h"
 
 /* This function is called once from main(), it handles
    the decoding and printing.
@@ -69,10 +70,10 @@ bool callback(pb_istream_t *stream, uint8_t *buf, size_t count)
 
 int main()
 {
-    /* Maximum size is specified to prevent infinite length messages from
-     * hanging this in the fuzz test.
-     */
-    pb_istream_t stream = {&callback, stdin, 10000};
+    pb_istream_t stream = {&callback, NULL, SIZE_MAX};
+    stream.state = stdin;
+    SET_BINARY_MODE(stdin);
+
     if (!print_person(&stream))
     {
         printf("Parsing failed: %s\n", PB_GET_ERROR(&stream));

tests/basic_stream/encode_stream.c

@@ -4,6 +4,7 @@
 #include <stdio.h>
 #include <pb_encode.h>
 #include "person.pb.h"
+#include "test_helpers.h"
 
 /* This binds the pb_ostream_t into the stdout stream */
 bool streamcallback(pb_ostream_t *stream, const uint8_t *buf, size_t count)
@@ -22,7 +23,9 @@ int main()
         }};
     
     /* Prepare the stream, output goes directly to stdout */
-    pb_ostream_t stream = {&streamcallback, stdout, SIZE_MAX, 0};
+    pb_ostream_t stream = {&streamcallback, NULL, SIZE_MAX, 0};
+    stream.state = stdout;
+    SET_BINARY_MODE(stdout);
     
     /* Now encode it and check if we succeeded. */
     if (pb_encode(&stream, Person_fields, &person))

tests/callbacks/decode_callbacks.c

@@ -5,6 +5,7 @@
 #include <stdio.h>
 #include <pb_decode.h>
 #include "callbacks.pb.h"
+#include "test_helpers.h"
 
 bool print_string(pb_istream_t *stream, const pb_field_t *field, void **arg)
 {
@@ -50,21 +51,24 @@ bool print_fixed64(pb_istream_t *stream, const pb_field_t *field, void **arg)
     if (!pb_decode_fixed64(stream, &value))
         return false;
     
-    printf((char*)*arg, (long long)value);
+    printf((char*)*arg, (long)value);
     return true;
 }
 
 int main()
 {
     uint8_t buffer[1024];
-    size_t length = fread(buffer, 1, 1024, stdin);
-    pb_istream_t stream = pb_istream_from_buffer(buffer, length);
-    
+    size_t length;
+    pb_istream_t stream;
     /* Note: empty initializer list initializes the struct with all-0.
      * This is recommended so that unused callbacks are set to NULL instead
      * of crashing at runtime.
      */
-    TestMessage testmessage = {};
+    TestMessage testmessage = {{{NULL}}};
+    
+    SET_BINARY_MODE(stdin);
+    length = fread(buffer, 1, 1024, stdin);
+    stream = pb_istream_from_buffer(buffer, length);    
     
     testmessage.submsg.stringvalue.funcs.decode = &print_string;
     testmessage.submsg.stringvalue.arg = "submsg {\n  stringvalue: \"%s\"\n";
@@ -73,7 +77,7 @@ int main()
     testmessage.submsg.fixed32value.funcs.decode = &print_fixed32;
     testmessage.submsg.fixed32value.arg = "  fixed32value: %ld\n";
     testmessage.submsg.fixed64value.funcs.decode = &print_fixed64;
-    testmessage.submsg.fixed64value.arg = "  fixed64value: %lld\n}\n";
+    testmessage.submsg.fixed64value.arg = "  fixed64value: %ld\n}\n";
     
     testmessage.stringvalue.funcs.decode = &print_string;
     testmessage.stringvalue.arg = "stringvalue: \"%s\"\n";

tests/callbacks/encode_callbacks.c

@@ -4,6 +4,7 @@
 #include <string.h>
 #include <pb_encode.h>
 #include "callbacks.pb.h"
+#include "test_helpers.h"
 
 bool encode_string(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
 {
@@ -25,19 +26,21 @@ bool encode_int32(pb_ostream_t *stream, const pb_field_t *field, void * const *a
 
 bool encode_fixed32(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
 {
+    uint32_t value = 42;
+
     if (!pb_encode_tag_for_field(stream, field))
         return false;
     
-    uint32_t value = 42;
     return pb_encode_fixed32(stream, &value);
 }
 
 bool encode_fixed64(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
 {
+    uint64_t value = 42;
+
     if (!pb_encode_tag_for_field(stream, field))
         return false;
     
-    uint64_t value = 42;
     return pb_encode_fixed64(stream, &value);
 }
 
@@ -60,8 +63,10 @@ bool encode_repeatedstring(pb_ostream_t *stream, const pb_field_t *field, void *
 int main()
 {
     uint8_t buffer[1024];
-    pb_ostream_t stream = pb_ostream_from_buffer(buffer, 1024);
-    TestMessage testmessage = {};
+    pb_ostream_t stream;
+    TestMessage testmessage = {{{NULL}}};
+    
+    stream = pb_ostream_from_buffer(buffer, 1024);
     
     testmessage.stringvalue.funcs.encode = &encode_string;
     testmessage.int32value.funcs.encode = &encode_int32;
@@ -79,6 +84,7 @@ int main()
     if (!pb_encode(&stream, TestMessage_fields, &testmessage))
         return 1;
     
+    SET_BINARY_MODE(stdout);
     if (fwrite(buffer, stream.bytes_written, 1, stdout) != 1)
         return 2;
     

tests/extensions/decode_extensions.c

@@ -6,6 +6,7 @@
 #include <pb_decode.h>
 #include "alltypes.pb.h"
 #include "extensions.pb.h"
+#include "test_helpers.h"
 
 #define TEST(x) if (!(x)) { \
     printf("Test " #x " failed.\n"); \
@@ -15,25 +16,39 @@
 int main(int argc, char **argv)
 {
     uint8_t buffer[1024];
-    size_t count = fread(buffer, 1, sizeof(buffer), stdin);
-    pb_istream_t stream = pb_istream_from_buffer(buffer, count);
-    
-    AllTypes alltypes = {};
+    size_t count;
+    pb_istream_t stream;
     
+    AllTypes alltypes = {0};
     int32_t extensionfield1;
-    pb_extension_t ext1 = {&AllTypes_extensionfield1, &extensionfield1, NULL};
+    pb_extension_t ext1;
+    ExtensionMessage extensionfield2;
+    pb_extension_t ext2;
+    
+    /* Read the message data */
+    SET_BINARY_MODE(stdin);
+    count = fread(buffer, 1, sizeof(buffer), stdin);
+    stream = pb_istream_from_buffer(buffer, count);
+    
+    /* Add the extensions */
     alltypes.extensions = &ext1;        
 
-    ExtensionMessage extensionfield2 = {};
-    pb_extension_t ext2 = {&ExtensionMessage_AllTypes_extensionfield2, &extensionfield2, NULL};
+    ext1.type = &AllTypes_extensionfield1;
+    ext1.dest = &extensionfield1;
     ext1.next = &ext2;
     
+    ext2.type = &ExtensionMessage_AllTypes_extensionfield2;
+    ext2.dest = &extensionfield2;
+    ext2.next = NULL;
+    
+    /* Decode the message */
     if (!pb_decode(&stream, AllTypes_fields, &alltypes))
     {
         printf("Parsing failed: %s\n", PB_GET_ERROR(&stream));
         return 1;
     }
 
+    /* Check that the extensions decoded properly */
     TEST(extensionfield1 == 12345)
     TEST(strcmp(extensionfield2.test1, "test") == 0)
     TEST(extensionfield2.test2 == 54321)

tests/extensions/encode_extensions.c

@@ -7,25 +7,37 @@
 #include <pb_encode.h>
 #include "alltypes.pb.h"
 #include "extensions.pb.h"
+#include "test_helpers.h"
 
 int main(int argc, char **argv)
 {
-    AllTypes alltypes = {};
+    uint8_t buffer[1024];
+    pb_ostream_t stream;
 
+    AllTypes alltypes = {0};
     int32_t extensionfield1 = 12345;
-    pb_extension_t ext1 = {&AllTypes_extensionfield1, &extensionfield1, NULL};
+    pb_extension_t ext1;
+    ExtensionMessage extensionfield2 = {"test", 54321};
+    pb_extension_t ext2;
+
+    /* Set up the extensions */
     alltypes.extensions = &ext1;
 
-    ExtensionMessage extensionfield2 = {"test", 54321};
-    pb_extension_t ext2 = {&ExtensionMessage_AllTypes_extensionfield2, &extensionfield2, NULL};
+    ext1.type = &AllTypes_extensionfield1;
+    ext1.dest = &extensionfield1;
     ext1.next = &ext2;
     
-    uint8_t buffer[1024];
-    pb_ostream_t stream = pb_ostream_from_buffer(buffer, sizeof(buffer));
+    ext2.type = &ExtensionMessage_AllTypes_extensionfield2;
+    ext2.dest = &extensionfield2;
+    ext2.next = NULL;
 
-    /* Now encode it and check if we succeeded. */
+    /* Set up the output stream */
+    stream = pb_ostream_from_buffer(buffer, sizeof(buffer));
+    
+    /* Now encode the message and check if we succeeded. */
     if (pb_encode(&stream, AllTypes_fields, &alltypes))
     {
+        SET_BINARY_MODE(stdout);
         fwrite(buffer, 1, stream.bytes_written, stdout);
         return 0; /* Success */
     }

tests/missing_fields/missing_fields.c

@@ -7,12 +7,13 @@
 
 int main()
 {
-    uint8_t buffer[512] = {};
+    uint8_t buffer[512];
     
     /* Create a message with one missing field */
     {
-        MissingField msg = {};
+        MissingField msg = {0};
         pb_ostream_t stream = pb_ostream_from_buffer(buffer, sizeof(buffer));
+        
         if (!pb_encode(&stream, MissingField_fields, &msg))
         {
             printf("Encode failed.\n");
@@ -22,7 +23,7 @@ int main()
 
     /* Test that it decodes properly if we don't require that field */
     {
-        MissingField msg = {};
+        MissingField msg = {0};
         pb_istream_t stream = pb_istream_from_buffer(buffer, sizeof(buffer));
         
         if (!pb_decode(&stream, MissingField_fields, &msg))
@@ -34,7 +35,7 @@ int main()
     
     /* Test that it does *not* decode properly if we require the field */
     {
-        AllFields msg = {};
+        AllFields msg = {0};
         pb_istream_t stream = pb_istream_from_buffer(buffer, sizeof(buffer));
         
         if (pb_decode(&stream, AllFields_fields, &msg))