Fixes segfault and adds open, creat calls #4
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Modifies printing of environment to append rather than clobber
Removes print of entire environment on invocation
Adds openat
dthain
reviewed
Feb 13, 2019
envtrace-helper.c
Outdated
| } | ||
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| if(!logfile_name) { |
Owner
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Seems like a lot of code duplication that could be easily factored out...
dthain
reviewed
Feb 18, 2019
| logfile_check(); | ||
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| FILE *result = real_freopen(path,mode,stream); | ||
| pid_t pid = getpid(); |
Owner
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Seems like this boilerplate could be factored too...
dthain
reviewed
Feb 18, 2019
| static int (*real_open) ( const char *pathname,int flags,... ) = 0; | ||
| static int (*real_openat) ( int dirfd, const char *pathname, int flags,... ) = 0; | ||
| static int (*real_creat) ( const char *pathname,mode_t mode ) = 0; | ||
| static FILE * (*real_fopen) ( const char *path,const char *mode ) = 0; |
Owner
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It might be constructive to look at the libc source to see how fopen/open relate to each other. In the past, the idea was that both rely upon a common underlying call (_open or __open or __libc_open) that does that actual system call.
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