Task #10 - units-2.22-6.fc39/run0/scan-results.err
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Error: CLANG_WARNING:
units-2.22/units.c:502:8: warning[core.NullDereference]: Dereference of null pointer (loaded from variable 'string')
# 500| replacectrlchars(char *string)
# 501| {
# 502|-> for(;*string;string++)
# 503| if (iscntrl(*string))
# 504| *string = ' ';
Error: CLANG_WARNING:
units-2.22/units.c:518:3: warning[core.uninitialized.Assign]: The expression is an uninitialized value. The computed value will also be garbage
# 516| if (!fgets(buf,size,file))
# 517| return 0;
# 518|-> (*count)++;
# 519| while(strlen(buf)>=2 && 0==strcmp(buf+strlen(buf)-2,"\\\n")){
# 520| (*count)++;
Error: CPPCHECK_WARNING (CWE-476):
units-2.22/units.c:624: error[nullPointer]: Null pointer dereference
# 622| len = strlen(str)+1;
# 623| widestr = mymalloc(sizeof(wchar_t)*len, "(strwidth)");
# 624|-> len = mbsrtowcs(widestr, &str, len, NULL);
# 625|
# 626| if (len==-1){
Error: COMPILER_WARNING (CWE-563):
units-2.22/units.c: scope_hint: In function ‘readunits’
units-2.22/units.c:807:41: warning[-Wunused-value]: value computed is not used
# 807 | #define readerror (goterr=1) && errfile && fprintf
# | ^~
units-2.22/units.c:1648:9: note: in expansion of macro ‘readerror’
# 1648 | readerror(errfile, "%s: %s on line %d of '%s'\n",
# | ^~~~~~~~~
# 805|
# 806|
# 807|-> #define readerror (goterr=1) && errfile && fprintf
# 808|
# 809| #define VAGUE_ERR "%s: error in units file '%s' line %d\n", \
Error: CLANG_WARNING:
units-2.22/units.c:1230:13: warning[unix.Malloc]: Potential leak of memory pointed to by 'domain_min'
# 1228| if (i==FN_UNITS){
# 1229| if (forward_dim || inverse_dim){
# 1230|-> REPEAT_ERR;
# 1231| return E_BADFILE;
# 1232| }
Error: CLANG_WARNING:
units-2.22/units.c:1230:13: warning[unix.Malloc]: Potential leak of memory pointed to by 'forward_dim'
# 1228| if (i==FN_UNITS){
# 1229| if (forward_dim || inverse_dim){
# 1230|-> REPEAT_ERR;
# 1231| return E_BADFILE;
# 1232| }
Error: CLANG_WARNING:
units-2.22/units.c:1230:13: warning[unix.Malloc]: Potential leak of memory pointed to by 'inverse_dim'
# 1228| if (i==FN_UNITS){
# 1229| if (forward_dim || inverse_dim){
# 1230|-> REPEAT_ERR;
# 1231| return E_BADFILE;
# 1232| }
Error: CLANG_WARNING:
units-2.22/units.c:1233:25: warning[core.CallAndMessage]: 1st function call argument is an uninitialized value
# 1231| return E_BADFILE;
# 1232| }
# 1233|-> forward_dim = dupstr(first);
# 1234| if (second)
# 1235| inverse_dim = dupstr(second);
Error: CLANG_WARNING:
units-2.22/units.c:1243:17: warning[core.CallAndMessage]: 1st function call argument is an uninitialized value
# 1241| return E_BADFILE;
# 1242| }
# 1243|-> err = extract_interval(first,second,&domain_min, &domain_max);
# 1244| domain_min_open = firstopen;
# 1245| domain_max_open = secondopen;
Error: CLANG_WARNING:
units-2.22/units.c:1268:17: warning[core.CallAndMessage]: 1st function call argument is an uninitialized value
# 1266| return E_BADFILE;
# 1267| }
# 1268|-> err = extract_interval(first,second,&range_min, &range_max);
# 1269| range_min_open = firstopen;
# 1270| range_max_open = secondopen;
Error: CPPCHECK_WARNING (CWE-401):
units-2.22/units.c:1411: error[memleakOnRealloc]: Common realloc mistake: 'tab' nulled but not freed upon failure
# 1409| if (tabpt>=tablealloc){
# 1410| tablealloc+=20;
# 1411|-> tab = (struct pair *)realloc(tab,sizeof(struct pair)*tablealloc);
# 1412| if (!tab){
# 1413| if (errfile) fprintf(errfile, "%s: memory allocation error (newtable)\n",
Error: CLANG_WARNING:
units-2.22/units.c:1891:4: warning[unix.Malloc]: Potential leak of memory pointed to by 'permfile'
# 1889| }
# 1890| }
# 1891|-> fclose(unitfile);
# 1892| free(line);
# 1893| if (unitcount)
Error: CPPCHECK_WARNING (CWE-476):
units-2.22/units.c:2391: error[ctunullpointer]: Null pointer dereference: first
# 2389| {
# 2390| return
# 2391|-> compareproducts(first->numerator, second->numerator, isdimless) ||
# 2392| compareproducts(first->denominator, second->denominator, isdimless);
# 2393| }
Error: COMPILER_WARNING (CWE-457):
units-2.22/units.c: scope_hint: In function ‘showfunction’
units-2.22/units.c:2872:8: warning[-Wmaybe-uninitialized]: ‘not_dimensionless’ may be used uninitialized
# 2872 | if (not_dimensionless)
# | ^
units-2.22/units.c:2828:7: note: ‘not_dimensionless’ was declared here
# 2828 | int not_dimensionless, i;
# | ^~~~~~~~~~~~~~~~~
# 2870| logputchar('\n');
# 2871| for(i=strwidth(deftext);i;i--) logputchar(' ');
# 2872|-> if (not_dimensionless)
# 2873| logprintf("%s has units %s",func->param, func->dimen);
# 2874| else
Error: CPPCHECK_WARNING (CWE-457):
units-2.22/units.c:3698: error[legacyUninitvar]: Uninitialized variable: indent
# 3696| if (errors[i]) {
# 3697| lastchar(unittext) = '0'+i;
# 3698|-> printf("%s%s(",indent,infunc->name);
# 3699| printf(num_format.format, factor);
# 3700| printf("%s): %s\n", unittext, errormsg[errors[i]]);
Error: CLANG_WARNING:
units-2.22/units.c:4069:13: warning[core.NullDereference]: Dereference of null pointer (loaded from variable 'curbuiltin')
# 4067| }
# 4068| if (checktype == CU_BUILTIN){
# 4069|-> while(*curbuiltin){
# 4070| if (startswith(*curbuiltin,text))
# 4071| output = dupstr(*curbuiltin);
Error: COMPILER_WARNING (CWE-563):
units-2.22/units.c: scope_hint: In function ‘checkcwd’
units-2.22/units.c:4148:9: warning[-Wunused-variable]: unused variable ‘p’
# 4148 | char *p;
# | ^
# 4146| {
# 4147| FILE *fp;
# 4148|-> char *p;
# 4149|
# 4150| fp = openfile(file, "r");
Error: CPPCHECK_WARNING (CWE-672):
units-2.22/units.c:4553: error[deallocret]: Returning/dereferencing 'file' after it is deallocated / released
# 4551| else {
# 4552| fclose(testfile);
# 4553|-> return file;
# 4554| }
# 4555| }
Error: COMPILER_WARNING (CWE-563):
units-2.22/units.c: scope_hint: In function ‘printversion’
units-2.22/units.c:4768:9: warning[-Wunused-variable]: unused variable ‘fp’
# 4768 | FILE *fp, *histfile;
# | ^~
# 4766| char *m_unitsfile; /* personal units data file from HOME_UNITS_ENV */
# 4767| char *p_unitsfile; /* personal units data file */
# 4768|-> FILE *fp, *histfile;
# 4769| #ifdef _WIN32
# 4770| char *localemap;
Error: CLANG_WARNING:
units-2.22/units.c:4845:13: warning[unix.Malloc]: Potential leak of memory pointed to by 'p_unitsfile'
# 4843| printf("Personal units data file is '%s'\n", p_unitsfile);
# 4844| if (!exists){
# 4845|-> if (homedir_error && !nonempty(m_unitsfile))
# 4846| printf(" (File invalid: %s)\n", homedir_error);
# 4847| else if (errno==ENOENT && !nonempty(m_unitsfile))
Error: CLANG_WARNING:
units-2.22/units.c:5155:26: warning[core.NonNullParamChecker]: Null pointer passed to 1st parameter expecting 'nonnull'
# 5153| char savechar;
# 5154|
# 5155|-> if (flags.unitlists && strchr(unitstr, UNITSEPCHAR)){
# 5156| puts("Unit list not allowed");
# 5157| return 1;
Error: CLANG_WARNING:
units-2.22/units.c:5577:19: warning[core.NullDereference]: Dereference of null pointer (loaded from variable 'lastunitstr')
# 5575| if (!value_shown) { /* provide output if every value rounded to zero */
# 5576| logputs("0 ");
# 5577|-> if (isdecimal(*lastunitstr))
# 5578| logputs("* ");
# 5579| logputs(lastunitstr);