cppcheck/test/cfg/bsd.c

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2018-05-30 16:47:00 +02:00
// Test library configuration for bsd.cfg
//
// Usage:
// $ cppcheck --library=bsd --check-library --enable=information --error-exitcode=1 --suppress=missingIncludeSystem --inline-suppr test/cfg/bsd.c
// =>
// No warnings about bad library configuration, unmatched suppressions, etc. exitcode=0
//
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
2018-05-30 16:47:00 +02:00
// size_t strlcat(char *dst, const char *src, size_t size);
void uninitvar_strlcat(char *Ct, const char *S, size_t N)
{
char *ct;
char *s;
size_t n;
// cppcheck-suppress uninitvar
(void)strlcat(ct,s,n);
// cppcheck-suppress uninitvar
(void)strlcat(ct,S,N);
// cppcheck-suppress uninitvar
(void)strlcat(Ct,s,N);
// cppcheck-suppress uninitvar
(void)strlcat(Ct,S,n);
// no warning is expected for
(void)strlcat(Ct,S,N);
}
void bufferAccessOutOfBounds(void)
{
uint16_t uint16Buf[4];
// cppcheck-suppress bufferAccessOutOfBounds
arc4random_buf(uint16Buf, 9);
// valid
arc4random_buf(uint16Buf, 8);
}
void ignoredReturnValue(void)
{
// cppcheck-suppress ignoredReturnValue
arc4random();
// cppcheck-suppress ignoredReturnValue
arc4random_uniform(10);
}
void invalidFunctionArg()
{
// cppcheck-suppress invalidFunctionArg
(void) arc4random_uniform(1);
// valid
(void) arc4random_uniform(2);
}
void nullPointer(void)
{
// cppcheck-suppress nullPointer
arc4random_buf(NULL, 5);
}
void uninitvar(void)
{
uint32_t uint32Uninit;
// cppcheck-suppress uninitvar
(void) arc4random_uniform(uint32Uninit);
}