117 lines
2.5 KiB
C
117 lines
2.5 KiB
C
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// Test library configuration for std.cfg
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//
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// Usage:
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// $ cppcheck --check-library --enable=information --error-exitcode=1 --inline-suppr cfg/test/std.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 <string.h>
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#include <stdio.h>
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void strcpy_ok(char *a, char *b) {
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strcpy(a,b);
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}
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void strcpy_bad() {
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char a[10];
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// cppcheck-suppress bufferAccessOutOfBounds
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strcpy(a, "hello world!");
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}
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// null pointer
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void nullpointer(int value){
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int res = 0;
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FILE *fp;
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// cppcheck-suppress nullPointer
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clearerr(0);
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// cppcheck-suppress nullPointer
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feof(0);
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// cppcheck-suppress nullPointer
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fgetc(0);
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// cppcheck-suppress nullPointer
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fclose(0);
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// cppcheck-suppress nullPointer
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ferror(0);
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// cppcheck-suppress nullPointer
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ftell(0);
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// cppcheck-suppress nullPointer
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puts(0);
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// cppcheck-suppress nullPointer
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fp=fopen(0,0);
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fclose(fp); fp = 0;
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// No FP
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fflush(0);
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// No FP
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fp = freopen(0,"abc",stdin);
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fclose(fp); fp = 0;
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// cppcheck-suppress nullPointer
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fputc(0,0);
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// cppcheck-suppress nullPointer
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fputs(0,0);
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// cppcheck-suppress nullPointer
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fgetpos(0,0);
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// cppcheck-suppress nullPointer
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fsetpos(0,0);
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// cppcheck-suppress nullPointer
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itoa(123,0,10);
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// cppcheck-suppress nullPointer
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strchr(0,0);
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// cppcheck-suppress nullPointer
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strlen(0);
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// cppcheck-suppress nullPointer
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strcpy(0,0);
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// cppcheck-suppress nullPointer
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strspn(0,0);
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// cppcheck-suppress nullPointer
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strcspn(0,0);
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// cppcheck-suppress nullPointer
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strcoll(0,0);
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// cppcheck-suppress nullPointer
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strcat(0,0);
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// cppcheck-suppress nullPointer
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strcmp(0,0);
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// cppcheck-suppress nullPointer
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strncpy(0,0,1);
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// cppcheck-suppress nullPointer
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strncat(0,0,1);
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// cppcheck-suppress nullPointer
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strncmp(0,0,1);
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// cppcheck-suppress nullPointer
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strstr(0,0);
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// cppcheck-suppress nullPointer
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strtoul(0,0,0);
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// cppcheck-suppress nullPointer
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strtoull(0,0,0);
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// cppcheck-suppress nullPointer
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strtol(0,0,0);
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// #6100 False positive nullPointer - calling mbstowcs(NULL,)
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res += mbstowcs(0,value,0);
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res += wcstombs(0,value,0);
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strtok(NULL,"xyz");
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strxfrm(0,"foo",0);
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// TODO: error message
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strxfrm(0,"foo",42);
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}
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void nullpointerMemchr1(char *p, char *s) {
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p = memchr (s, 'p', strlen(s));
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}
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void nullpointerMemchr2(char *p, char *s) {
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p = memchr (s, 0, strlen(s));
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}
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void nullpointerMemchr3(char *p) {
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char *s = 0;
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// cppcheck-suppress nullPointer
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p = memchr (s, 0, strlen(s));
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}
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