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Take advantage of clang-3.9 new nonnull attribute #1370

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Take advantage of clang-3.9 new nonnull attribute #1370

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7 changes: 2 additions & 5 deletions src/ansi-c/library/pthread_lib.c
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Original file line number Diff line number Diff line change
Expand Up @@ -534,11 +534,8 @@ inline int pthread_create(
this_thread_id=++__CPROVER_next_thread_id;
__CPROVER_atomic_end();

if(thread)
{
// pthread_t is a pointer type on some systems
*thread=(pthread_t)this_thread_id;
}
// pthread_t is a pointer type on some systems
*thread=(pthread_t)this_thread_id;

#ifdef __CPROVER_CUSTOM_BITVECTOR_ANALYSIS
__CPROVER_set_must(thread, "pthread-id");
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8 changes: 4 additions & 4 deletions src/ansi-c/library/string.c
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Expand Up @@ -299,7 +299,7 @@ inline int strcmp(const char *s1, const char *s2)
{
__CPROVER_HIDE:;
#if !defined(__linux__) || defined(__GLIBC__)
if(s1!=0 && s1==s2) return 0;
if(s1==s2) return 0;
#else
// musl guarantees non-null of s1
if(s1==s2) return 0;
Expand Down Expand Up @@ -346,7 +346,7 @@ inline int strcasecmp(const char *s1, const char *s2)
{
__CPROVER_HIDE:;
#if !defined(__linux__) || defined(__GLIBC__)
if(s1!=0 && s1==s2) return 0;
if(s1==s2) return 0;
#else
// musl guarantees non-null of s1
if(s1==s2) return 0;
Expand Down Expand Up @@ -396,7 +396,7 @@ inline int strncmp(const char *s1, const char *s2, size_t n)
{
__CPROVER_HIDE:;
#if !defined(__linux__) || defined(__GLIBC__)
if(s1!=0 && s1==s2) return 0;
if(s1==s2) return 0;
#else
// musl guarantees non-null of s1
if(s1==s2) return 0;
Expand Down Expand Up @@ -440,7 +440,7 @@ inline int strncasecmp(const char *s1, const char *s2, size_t n)
{
__CPROVER_HIDE:;
#if !defined(__linux__) || defined(__GLIBC__)
if(s1!=0 && s1==s2) return 0;
if(s1==s2) return 0;
#else
// musl guarantees non-null of s1
if(s1==s2) return 0;
Expand Down