sheppy/colorredstderr-mirror
1
0
Fork 0
mirror of https://github.com/FAUSheppy/colorredstderr-mirror synced 2025-12-09 08:28:33 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

hookmacros.h: Reduce duplication in HOOK_VOID1().

Browse Source
This commit is contained in:
Simon Ruderich
2013-06-01 22:44:22 +02:00
parent ad50ad9c54
commit 73870d5ed5
1 changed files with 8 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
src/hookmacros.h
View File

@@ -26,17 +26,18 @@
#define _HOOK_PRE(type, name) \
int handle; \
type result; \
DLSYM_FUNCTION(real_ ## name, #name);
#define _HOOK_PRE_FD(type, name, fd) \
type result; \
_HOOK_PRE_FD_(type, name, fd)
#define _HOOK_PRE_FD_(type, name, fd) \
_HOOK_PRE(type, name) \
_HOOK_PRE_FD_ALONE(type, name, fd)
#define _HOOK_PRE_FD_ALONE(type, name, fd) \
handle = check_handle_fd(fd); \
if (handle) { \
handle_fd_pre(fd, handle); \
}
#define _HOOK_PRE_FILE(type, name, file) \
type result; \
_HOOK_PRE(type, name) \
handle = check_handle_fd(fileno(file)); \
if (handle) { \
@@ -44,14 +45,14 @@
}
/* Save and restore the errno to make sure we return the errno of the original
* function call. */
#define _HOOK_POST_FD_ALONE(fd) \
#define _HOOK_POST_FD_(fd) \
if (handle) { \
int saved_errno = errno; \
handle_fd_post(fd, handle); \
errno = saved_errno; \
}
#define _HOOK_POST_FD(fd) \
_HOOK_POST_FD_ALONE(fd) \
_HOOK_POST_FD_(fd) \
return result;
#define _HOOK_POST_FILE(file) \
if (handle) { \
@@ -65,11 +66,9 @@
#define HOOK_VOID1(type, name, fd, type1, arg1) \
static type (*real_ ## name)(type1); \
type name(type1 arg1) { \
int handle; \
DLSYM_FUNCTION(real_ ## name, #name); \
_HOOK_PRE_FD_ALONE(type, name, fd) \
_HOOK_PRE_FD_(type, name, fd) \
real_ ## name(arg1); \
_HOOK_POST_FD_ALONE(fd) \
_HOOK_POST_FD_(fd) \
}
#define HOOK_FD3(type, name, fd, type1, arg1, type2, arg2, type3, arg3) \