fix possible (questionable) strict aliasing violations and ptr arith
diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c
index f57485d..56ba89e 100644
--- a/src/ldso/dynlink.c
+++ b/src/ldso/dynlink.c
@@ -123,7 +123,7 @@
static void *map_library(int fd, size_t *lenp, unsigned char **basep, size_t *dynp)
{
- size_t buf[896/sizeof(size_t)];
+ Ehdr buf[(896+sizeof(Ehdr))/sizeof(Ehdr)];
size_t phsize;
size_t addr_min=SIZE_MAX, addr_max=0, map_len;
size_t this_min, this_max;
@@ -137,11 +137,11 @@
ssize_t l = read(fd, buf, sizeof buf);
if (l<sizeof *eh) return 0;
- eh = (void *)buf;
+ eh = buf;
phsize = eh->e_phentsize * eh->e_phnum;
if (phsize + sizeof *eh > l) return 0;
if (eh->e_phoff + phsize > l) {
- l = pread(fd, buf+sizeof *eh, phsize, eh->e_phoff);
+ l = pread(fd, buf+1, phsize, eh->e_phoff);
if (l != phsize) return 0;
eh->e_phoff = sizeof *eh;
}