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winegcc: Also check magic number to detect shared libraries. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2019-11-04 15:54:58 +01:00
parent 010d44a2ac
commit 21c832da63
1 changed files with 6 additions and 0 deletions
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6
tools/winegcc/utils.c
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@ -212,6 +212,7 @@ file_type get_file_type(const char* filename)
{
/* see tools/winebuild/res32.c: check_header for details */
static const char res_sig[] = { 0,0,0,0, 32,0,0,0, 0xff,0xff, 0,0, 0xff,0xff, 0,0, 0,0,0,0, 0,0, 0,0, 0,0,0,0, 0,0,0,0 };
static const char elf_sig[4] = "\177ELF";
char buf[sizeof(res_sig)];
int fd, cnt;
@ -230,6 +231,11 @@ file_type get_file_type(const char* filename)
if (strendswith(filename, ".def")) return file_def;
if (strendswith(filename, ".spec")) return file_spec;
if (strendswith(filename, ".rc")) return file_rc;
if (cnt >= sizeof(elf_sig) && !memcmp(buf, elf_sig, sizeof(elf_sig))) return file_so; /* ELF lib */
if (cnt >= sizeof(unsigned int) &&
(*(unsigned int *)buf == 0xfeedface || *(unsigned int *)buf == 0xcefaedfe ||
*(unsigned int *)buf == 0xfeedfacf || *(unsigned int *)buf == 0xcffaedfe))
return file_so; /* Mach-O lib */
return file_other;
}