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the reader now controls the PGF version

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This commit is contained in:
krangelov
2021-09-12 08:26:05 +02:00
parent a7f00a4e84
commit f1e1564228
3 changed files with 10 additions and 2 deletions
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4
src/runtime/c/pgf/pgf.cxx
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@@ -119,8 +119,8 @@ PgfDB *pgf_read_ngf(const char *fpath,
is_new = true; is_new = true;
pgf = PgfDB::malloc<PgfPGF>(master.size+1); pgf = PgfDB::malloc<PgfPGF>(master.size+1);
pgf->ref_count = 1; pgf->ref_count = 1;
pgf->major_version = 2; pgf->major_version = PGF_MAJOR_VERSION;
pgf->minor_version = 0; pgf->minor_version = PGF_MINOR_VERSION;
pgf->gflags = 0; pgf->gflags = 0;
pgf->abstract.name = PgfDB::malloc<PgfText>(); pgf->abstract.name = PgfDB::malloc<PgfText>();
pgf->abstract.name->size = 0; pgf->abstract.name->size = 0;

3
src/runtime/c/pgf/pgf.h
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@@ -40,6 +40,9 @@
#include<stdint.h> #include<stdint.h>
#include <sys/types.h> #include <sys/types.h>
#define PGF_MAJOR_VERSION 2
#define PGF_MINOR_VERSION 1
/* A generic structure to store text. The last field is variable length */ /* A generic structure to store text. The last field is variable length */
typedef struct { typedef struct {
size_t size; size_t size;

5
src/runtime/c/pgf/reader.cxx
View File

@@ -437,6 +437,11 @@ ref<PgfPGF> PgfReader::read_pgf()
pgf->major_version = read_u16be(); pgf->major_version = read_u16be();
pgf->minor_version = read_u16be(); pgf->minor_version = read_u16be();
if (pgf->major_version != PGF_MAJOR_VERSION ||
pgf->minor_version != PGF_MINOR_VERSION) {
throw pgf_error("Unsupported format version");
}
pgf->gflags = read_namespace<PgfFlag>(&PgfReader::read_flag); pgf->gflags = read_namespace<PgfFlag>(&PgfReader::read_flag);
read_abstract(ref<PgfAbstr>::from_ptr(&pgf->abstract)); read_abstract(ref<PgfAbstr>::from_ptr(&pgf->abstract));