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Make 'file_is_vhd' function public

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This commit is contained in:
shermp
2019-06-10 09:01:44 +12:00
parent 7c82b74b1d
commit dd6de44870
2 changed files with 12 additions and 11 deletions
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1
src/minivhd.h
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@@ -40,6 +40,7 @@ struct MVHDMeta {
int (*format_sectors)(MVHDMeta* vhdm, int offset, int num_sectors);
};
bool mvhd_file_is_vhd(FILE* f);
MVHDMeta* mvhd_open(const char* path, int* err);
MVHDMeta* mvhd_create_fixed(const char* path, MVHDGeom geom, int* err);
MVHDMeta* mvhd_create_sparse(const char* path, MVHDGeom geom, int* err);

22
src/minivhd_manage.c
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@@ -20,17 +20,6 @@ static bool mvhd_sparse_checksum_valid(MVHDMeta* vhdm);
static MVHDBlock* mvhd_read_bat(MVHDMeta *vhdm, MVHDError* err);
static void mvhd_calc_sparse_values(MVHDMeta* vhdm);
static bool mvhd_file_is_vhd(FILE* f) {
if (f) {
uint8_t con_str[8];
fseeko64(f, -MVHD_FOOTER_SIZE, SEEK_END);
fread(con_str, sizeof con_str, 1, f);
return mvhd_is_conectix_str(con_str);
} else {
return false;
}
}
static void mvhd_read_footer(MVHDMeta* vhdm) {
uint8_t buffer[MVHD_FOOTER_SIZE];
fseeko64(vhdm->f, -MVHD_FOOTER_SIZE, SEEK_END);
@@ -114,6 +103,17 @@ static void mvhd_assign_io_funcs(MVHDMeta* vhdm) {
}
}
bool mvhd_file_is_vhd(FILE* f) {
if (f) {
uint8_t con_str[8];
fseeko64(f, -MVHD_FOOTER_SIZE, SEEK_END);
fread(con_str, sizeof con_str, 1, f);
return mvhd_is_conectix_str(con_str);
} else {
return false;
}
}
MVHDGeom mvhd_calculate_geometry(int size_mb, int* new_size) {
MVHDGeom chs;
uint32_t ts = ((uint64_t)size_mb * 1024 * 1024) / MVHD_SECTOR_SIZE;