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author | Dan Liew <daniel.liew@imperial.ac.uk> | 2013-08-13 15:34:39 +0100 |
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committer | Dan Liew <daniel.liew@imperial.ac.uk> | 2013-08-14 18:44:16 +0100 |
commit | 51f7cb3a3b494bd38ad9b3aec72a32f7973b8a06 (patch) | |
tree | 96916aae5a1ee3bfd1729afef009a59d67d3cc04 | |
parent | e211c407bcf1631c448800cb49044b2f48bee638 (diff) | |
download | klee-51f7cb3a3b494bd38ad9b3aec72a32f7973b8a06.tar.gz |
Slight refactor of code initialising memory for argments/environment c-strings
so that it is easier to read.
-rw-r--r-- | lib/Core/Executor.cpp | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/lib/Core/Executor.cpp b/lib/Core/Executor.cpp index b57b1956..184b0983 100644 --- a/lib/Core/Executor.cpp +++ b/lib/Core/Executor.cpp @@ -3219,24 +3219,20 @@ void Executor::runFunctionAsMain(Function *f, ObjectState *argvOS = bindObjectInState(*state, argvMO, false); for (int i=0; i<argc+1+envc+1+1; i++) { - MemoryObject *arg; - if (i==argc || i>=argc+1+envc) { - arg = 0; + // Write NULL pointer + argvOS->write(i * NumPtrBytes, Expr::createPointer(0)); } else { char *s = i<argc ? argv[i] : envp[i-(argc+1)]; int j, len = strlen(s); - arg = memory->allocate(len+1, false, true, state->pc->inst); + MemoryObject *arg = memory->allocate(len+1, false, true, state->pc->inst); ObjectState *os = bindObjectInState(*state, arg, false); for (j=0; j<len+1; j++) os->write8(j, s[j]); - } - if (arg) { + // Write pointer to newly allocated and initialised argv/envp c-string argvOS->write(i * NumPtrBytes, arg->getBaseExpr()); - } else { - argvOS->write(i * NumPtrBytes, Expr::createPointer(0)); } } } |