The MZ magic can occur together with other magic signatures as well, e.g. in x86 bzImages or in EFI-stubbed ARM/RISC-V kernel images.
Move the check into a header to allow it to be used e.g. from boot entry providers. Signed-off-by: Ahmad Fatoum <[email protected]> --- common/filetype.c | 5 ----- include/filetype.h | 6 ++++++ 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/common/filetype.c b/common/filetype.c index 3e3e18dae0b3..196591698768 100644 --- a/common/filetype.c +++ b/common/filetype.c @@ -288,11 +288,6 @@ enum filetype file_detect_partition_table(const void *_buf, size_t bufsize) return filetype_unknown; } -static bool is_dos_exe(const u8 *buf8) -{ - return buf8[0] == 'M' && buf8[1] == 'Z'; -} - #define CH_TOC_section_name 0x14 enum filetype file_detect_compression_type(const void *_buf, size_t bufsize) diff --git a/include/filetype.h b/include/filetype.h index 440eb95bfb0c..283b8fee4c70 100644 --- a/include/filetype.h +++ b/include/filetype.h @@ -143,6 +143,12 @@ static inline int is_barebox_head(const char *head) return is_barebox_arm_head(head) || is_barebox_mips_head(head); } +static inline bool is_dos_exe(const void *buf) +{ + const u8 *buf8 = buf; + return buf8[0] == 'M' && buf8[1] == 'Z'; +} + static inline bool is_arm64_linux_bootimage(const void *header) { return le32_to_cpup(header + 56) == 0x644d5241; -- 2.47.3
