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| author | Zeex <zeex@rocketmail.com> | 2018-09-03 20:08:52 +0600 |
|---|---|---|
| committer | Zeex <zeex@rocketmail.com> | 2018-09-03 20:10:28 +0600 |
| commit | 12b527d6426276681536d685520daf0318fbcf13 (patch) | |
| tree | 861508e36ddd0de4be235d3b82ea76b4018f43b9 /subhook_unix.c | |
| parent | 504fce580e9300c3400c3275fabda72b39a363e2 (diff) | |
| download | subhook-12b527d6426276681536d685520daf0318fbcf13.zip subhook-12b527d6426276681536d685520daf0318fbcf13.tar.gz subhook-12b527d6426276681536d685520daf0318fbcf13.tar.bz2 | |
Clean up and improve comments
* Replace SUBHOOK_BITS equality comparisons with SUBHOOK_X86_64 macro
definition checks (less error-prone)
* Improve comments in subhook_disasm() and remove unused variable
(address_size)
* Update copyright year across all files
Diffstat (limited to 'subhook_unix.c')
| -rw-r--r-- | subhook_unix.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/subhook_unix.c b/subhook_unix.c index e074f20..1c5260d 100644 --- a/subhook_unix.c +++ b/subhook_unix.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2012-2015 Zeex +/* Copyright (c) 2012-2018 Zeex * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -33,9 +33,9 @@ void *subhook_unprotect(void *address, size_t size) { pagesize = sysconf(_SC_PAGESIZE); address = (void *)((long)address & ~(pagesize - 1)); - if (mprotect(address, size, PROT_READ | PROT_WRITE | PROT_EXEC) != 0) { + if (mprotect(address, size, PROT_READ | PROT_WRITE | PROT_EXEC) == 0) { + return address; + } else { return NULL; } - - return address; } |