117 lines
2.8 KiB
C
117 lines
2.8 KiB
C
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// Test library configuration for posix.cfg
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//
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// Usage:
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// $ cppcheck --check-library --library=posix --enable=information --error-exitcode=1 --inline-suppr --suppress=missingIncludeSystem test/cfg/posix.c
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// =>
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// No warnings about bad library configuration, unmatched suppressions, etc. exitcode=0
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//
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#include <stdio.h> // <- FILE
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#include <dirent.h>
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#include <sys/mman.h>
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#include <sys/socket.h>
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#include <fcntl.h>
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#include <unistd.h>
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void bufferAccessOutOfBounds(int fd) {
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char a[5];
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read(fd,a,5);
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// cppcheck-suppress bufferAccessOutOfBounds
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read(fd,a,6);
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write(fd,a,5);
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// cppcheck-suppress bufferAccessOutOfBounds
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write(fd,a,6);
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recv(fd,a,5,0);
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// cppcheck-suppress bufferAccessOutOfBounds
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recv(fd,a,6,0);
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recvfrom(fd,a,5,0,0x0,0x0);
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// cppcheck-suppress bufferAccessOutOfBounds
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recvfrom(fd,a,6,0,0x0,0x0);
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send(fd,a,5,0);
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// cppcheck-suppress bufferAccessOutOfBounds
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send(fd,a,6,0);
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sendto(fd,a,5,0,0x0,0x0);
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// cppcheck-suppress bufferAccessOutOfBounds
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sendto(fd,a,6,0,0x0,0x0);
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// cppcheck-suppress constStatement
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0;
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}
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void nullPointer(char *p) {
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isatty (0);
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mkdir (p, 0);
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getcwd (0, 0);
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// cppcheck-suppress nullPointer
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readdir (0);
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}
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void memleak_mmap(int fd) {
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// cppcheck-suppress unreadVariable
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void *addr = mmap(NULL, 255, PROT_NONE, MAP_PRIVATE, fd, 0);
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// cppcheck-suppress memleak
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}
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/* TODO: add configuration for fdopen
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void resourceLeak_fdopen(int fd) {
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FILE *f = fdopen(fd, "r");
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// cppcheck-suppress resourceLeak
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}
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*/
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void resourceLeak_fdopendir(int fd) {
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// cppcheck-suppress unreadVariable
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DIR* leak1 = fdopendir(fd);
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// cppcheck-suppress resourceLeak
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}
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void resourceLeak_opendir(void) {
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// cppcheck-suppress unreadVariable
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DIR* leak1 = opendir("abc");
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// cppcheck-suppress resourceLeak
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}
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void resourceLeak_socket(void) {
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// cppcheck-suppress unreadVariable
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int s = socket(AF_INET, SOCK_STREAM, 0);
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// cppcheck-suppress resourceLeak
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}
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void noleak(int x, int y, int z) {
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DIR *p1 = fdopendir(x); closedir(p1);
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DIR *p2 = opendir("abc"); closedir(p2);
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int s = socket(AF_INET,SOCK_STREAM,0); close(s);
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/* TODO: add configuration for open/fdopen
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// #2830
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int fd = open("path", O_RDONLY);
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FILE *f = fdopen(fd, "rt");
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fclose(f);
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*/
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}
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// unused return value
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void ignoredReturnValue(void *addr, int fd) {
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// cppcheck-suppress ignoredReturnValue
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// cppcheck-suppress leakReturnValNotUsed
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mmap(addr, 255, PROT_NONE, MAP_PRIVATE, fd, 0);
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// cppcheck-suppress ignoredReturnValue
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setuid(42);
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// cppcheck-suppress ignoredReturnValue
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getuid();
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}
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// valid range
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void invalidFunctionArg() {
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// cppcheck-suppress invalidFunctionArg
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usleep(-1);
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usleep(0);
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usleep(999999);
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// cppcheck-suppress invalidFunctionArg
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usleep(1000000);
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}
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