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gnu.cfg: Improved configuration for memrchr().

This commit is contained in:
orbitcowboy 2022-05-01 18:10:19 +02:00
parent 6f6ddb99b2
commit 6ad5a94acf
2 changed files with 10 additions and 1 deletions
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1
cfg/gnu.cfg
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@ -1127,6 +1127,7 @@
<arg nr="1" direction="in"> <arg nr="1" direction="in">
<not-null/> <not-null/>
<not-uninit/> <not-uninit/>
<minsize type="argvalue" arg="3"/>
</arg> </arg>
<arg nr="2" direction="in"> <arg nr="2" direction="in">
<not-uninit/> <not-uninit/>

10
test/cfg/gnu.c
View File

@ -21,9 +21,17 @@
#ifndef __CYGWIN__ #ifndef __CYGWIN__
#include <sys/epoll.h> #include <sys/epoll.h>
#endif #endif
#include <strings.h> #include <strings.h>
void *bufferAccessOutOfBounds_memrchr(const void *s, int c, size_t n)
{
char buf[42]={0};
(void)memrchr(buf,c,42);
// cppcheck-suppress bufferAccessOutOfBounds
(void)memrchr(buf,c,43);
return memrchr(s,c,n);
}
void knownConditionTrueFalse_ffsl(long i) void knownConditionTrueFalse_ffsl(long i)
{ {
// ffs() returns the position of the first bit set, or 0 if no bits are set in i. // ffs() returns the position of the first bit set, or 0 if no bits are set in i.