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mprotect.2: Use "%p" rather than casting to 'long' when printing pointer values 

Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Alejandro Colomar 2020-09-12 01:14:11 +02:00 committed by Michael Kerrisk
parent 627a256ed6
commit 982dfed192
1 changed files with 2 additions and 3 deletions
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5
man2/mprotect.2
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@ -326,8 +326,7 @@ handler(int sig, siginfo_t *si, void *unused)
Nevertheless, we use printf() here as a simple way of
showing that the handler was called. */
printf("Got SIGSEGV at address: %#lx\en",
(long) si\->si_addr);
printf("Got SIGSEGV at address: %p\en", si\->si_addr);
exit(EXIT_FAILURE);
}
@ -354,7 +353,7 @@ main(int argc, char *argv[])
if (buffer == NULL)
handle_error("memalign");
printf("Start of region: %#lx\en", (long) buffer);
printf("Start of region: %p\en", buffer);
if (mprotect(buffer + pagesize * 2, pagesize,
PROT_READ) == \-1)