diff options
Diffstat (limited to 'tests/test_decode1.c')
| -rw-r--r-- | tests/test_decode1.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/tests/test_decode1.c b/tests/test_decode1.c index d0cc427a..3f02745e 100644 --- a/tests/test_decode1.c +++ b/tests/test_decode1.c @@ -1,11 +1,17 @@ /* A very simple decoding test case, using person.proto. * Produces output compatible with protoc --decode. + * Reads the encoded data from stdin and prints the values + * to stdout as text. + * + * Run e.g. ./test_encode1 | ./test_decode1 */ #include <stdio.h> #include <pb_decode.h> #include "person.pb.h" +/* This function is called once from main(), it handles + the decoding and printing. */ bool print_person(pb_istream_t *stream) { int i; @@ -14,6 +20,8 @@ bool print_person(pb_istream_t *stream) if (!pb_decode(stream, Person_fields, &person)) return false; + /* Now the decoding is done, rest is just to print stuff out. */ + printf("name: \"%s\"\n", person.name); printf("id: %d\n", person.id); @@ -46,6 +54,7 @@ bool print_person(pb_istream_t *stream) return true; } +/* This binds the pb_istream_t to stdin */ bool callback(pb_istream_t *stream, uint8_t *buf, size_t count) { FILE *file = (FILE*)stream->state; @@ -53,6 +62,7 @@ bool callback(pb_istream_t *stream, uint8_t *buf, size_t count) if (buf == NULL) { + /* Skipping data */ while (count-- && fgetc(file) != EOF); return count == 0; } @@ -72,7 +82,10 @@ int main() */ pb_istream_t stream = {&callback, stdin, 10000}; if (!print_person(&stream)) + { printf("Parsing failed.\n"); - - return 0; + return 1; + } else { + return 0; + } } |