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a63fef43c2d1e9c111f3da0fc3f8deb7f1b3024d
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42 Commits

Author SHA1 Message Date
Simon Ruderich
a63fef43c2 Add missing #include <sys/stat.h>. 2013-06-17 23:26:00 +02:00
Simon Ruderich
941370dda9 Hook BSD err(), errx(), warn(), warnx(), etc. functions. 
err(), errx(), warn(), warnx(), verr(), verrx(), vwarn(), vwarnx() are
hooked.
 2013-06-15 02:39:52 +02:00
Simon Ruderich
1068648718 Minor documentation update. 2013-06-15 02:21:27 +02:00
Simon Ruderich
217e8c8bc5 Define real_*() static variables with macros. 2013-06-15 00:54:46 +02:00
Simon Ruderich
3d46e3ab9b Add missing const and document where it can't be used. 2013-06-13 22:13:16 +02:00
Simon Ruderich
e5a94fa847 Remove unnecessary calls to update_environment() in exec*(). 2013-06-13 21:50:51 +02:00
Simon Ruderich
6d6ad4423a Add assert()s. 2013-06-13 21:33:27 +02:00
Simon Ruderich
37cb5686de Handle invalid arguments to close()/fclose() better. 2013-06-13 21:19:15 +02:00
Simon Ruderich
7adfbfd2cf Fix hook for putc_unlocked() with glibc. 
putc_unlocked() is a macro which expands to __overflow() in some cases.
 2013-06-13 12:59:12 +02:00
Simon Ruderich
779ba750f7 Fix compilation with clang. 2013-06-10 21:27:12 +02:00
Simon Ruderich
237251ae9c Hook execvpe(), a GNU extension. 2013-06-10 17:10:44 +02:00
Simon Ruderich
55e8d0d38a coloredstderr.c: Fix parameter name in execvp(). 2013-06-10 16:58:27 +02:00
Simon Ruderich
7c2d726cd4 coloredstderr.c: Fix indentation. 2013-06-10 16:55:25 +02:00
Simon Ruderich
357a499884 configure.ac: Add --enable-warnings. 
Enables warning() messages without the overhead of all debug output.
 2013-06-10 16:18:35 +02:00
Simon Ruderich
b75b0ec399 Rename __noinline/__always_inline to prevent clash with headers. 
With this change noinline can be used in ldpreload.h.
 2013-06-10 14:55:13 +02:00
Simon Ruderich
428e15bf68 Prevent inlining of handle_*_pre/post() functions. 2013-06-10 14:05:51 +02:00
Simon Ruderich
f3bda26e82 Don't mark init_pre_post_string() as inline. 2013-06-10 14:05:51 +02:00
Simon Ruderich
86352712fd Fix save/restore of errno for isatty(). 2013-06-10 14:05:51 +02:00
Simon Ruderich
048bd6f9e7 Use likely()/unlikely() macros to improve branch prediction. 2013-06-10 14:05:51 +02:00
Simon Ruderich
9862b8c8f1 Inline check_handle_fd() into hook macros. 
It's very small and prologue/epilogue have a lot of overhead.
 2013-06-10 14:05:51 +02:00
Simon Ruderich
dfd317650f Remove errno save/restore where not necessary. 2013-06-10 14:05:45 +02:00
Simon Ruderich
fe3f7d4c63 handle_*_pre(),handle_*_post(): Remove unused action parameter. 2013-06-10 04:53:30 +02:00
Simon Ruderich
bcd5f79080 Remove unused hook puts_unlocked(). 
This function doesn't exist (yet).
 2013-06-07 02:06:57 +02:00
Simon Ruderich
06f483dbee Fix a few strict compiler warnings. 2013-06-07 02:01:23 +02:00
Simon Ruderich
31a1fdf921 Use char const * instead of const char *. 
char const * is more consistent with char * const.
 2013-06-07 01:56:02 +02:00
Simon Ruderich
c2097785e7 Use static list of descriptors to reduce mallocs. 
Only if file descriptors with a value > 255 occur, the list
implementation is used.
 2013-06-07 01:27:58 +02:00
Simon Ruderich
51377106d1 Rename tracked_fds_* tracked_fds_list_*. 2013-06-06 20:44:10 +02:00
Simon Ruderich
7f9856c5da Hook error() and error_at_line() if available. 
They are used by some GNU programs to display error messages.
 2013-06-05 23:57:05 +02:00
Simon Ruderich
b140cc0a82 coloredstderr.c: Use #include <config.h>. 
This ensures that config.h from the build directory is preferred over a
possible file of the same name in the source directory.
 2013-06-05 18:11:33 +02:00
Simon Ruderich
4d10935aee check_handle_fd(): Reduce calls to isatty(). 2013-06-05 03:33:08 +02:00
Simon Ruderich
7ea72c40db Hook execve() and the other exec*() functions. 
Prevents programs from removing our environment variables during the
exec.

Also reduces unnecessary calls to update_environment() by calling it
only once before the exec.
 2013-06-05 01:40:56 +02:00
Simon Ruderich
a9db9083b6 Minor documentation updates. 2013-06-05 01:07:47 +02:00
Simon Ruderich
d475e5ec89 Improve debug output. 2013-06-05 00:53:55 +02:00
Simon Ruderich
7c5d6fce3a Only hook vfork() if it's available. 2013-06-03 21:59:57 +02:00
Simon Ruderich
1c5441c26a Hook vfork() and replace it with fork(). 2013-06-02 18:25:49 +02:00
Simon Ruderich
ad50ad9c54 Hook perror(3). 2013-06-01 22:08:45 +02:00
Simon Ruderich
96710bc3fa Add ENV_NAME_FORCE_WRITE to force writes to non-tty devices. 2013-06-01 21:13:23 +02:00
Simon Ruderich
7d4d8e0784 Fix initialization if ENV_NAME_FDS was not set. 
If ENV_NAME_FDS is not set then init_from_environment() was called for
each hooked function, instead of just once.
 2013-06-01 18:27:56 +02:00
Simon Ruderich
5e162a33ae Fix signature of fcntl() hook. 2013-05-31 22:31:11 +02:00
Simon Ruderich
f369605227 fcntl(): Don't call dup_fd() if real_fcntl() failed. 2013-05-31 18:37:55 +02:00
Simon Ruderich
6d15f6c990 Rename macros.h to hookmacros.h. 2013-05-31 18:36:21 +02:00
Simon Ruderich
abc3d7889f Initial commit. 2013-05-31 18:19:12 +02:00