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bpo-40527: Fix command line argument parsing (GH-19955)

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Victor Stinner 2020-05-06 15:22:17 +02:00 • committed by GitHub
parent eff870b618
commit 2668a9a5aa
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 29 additions and 7 deletions
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23
Python/getopt.c
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@ -101,7 +101,9 @@ int _PyOS_GetOpt(Py_ssize_t argc, wchar_t * const *argv, int *longindex)
if (option == L'-') {
// Parse long option.
if (*opt_ptr == L'\0') {
fprintf(stderr, "expected long option\n");
if (_PyOS_opterr) {
fprintf(stderr, "expected long option\n");
}
return -1;
}
*longindex = 0;
@ -111,7 +113,9 @@ int _PyOS_GetOpt(Py_ssize_t argc, wchar_t * const *argv, int *longindex)
break;
}
if (!opt->name) {
fprintf(stderr, "unknown option %ls\n", argv[_PyOS_optind - 1]);
if (_PyOS_opterr) {
fprintf(stderr, "unknown option %ls\n", argv[_PyOS_optind - 1]);
}
return '_';
}
opt_ptr = L"";
@ -119,8 +123,10 @@ int _PyOS_GetOpt(Py_ssize_t argc, wchar_t * const *argv, int *longindex)
return opt->val;
}
if (_PyOS_optind >= argc) {
fprintf(stderr, "Argument expected for the %ls options\n",
argv[_PyOS_optind - 1]);
if (_PyOS_opterr) {
fprintf(stderr, "Argument expected for the %ls options\n",
argv[_PyOS_optind - 1]);
}
return '_';
}
_PyOS_optarg = argv[_PyOS_optind++];
@ -128,14 +134,16 @@ int _PyOS_GetOpt(Py_ssize_t argc, wchar_t * const *argv, int *longindex)
}
if (option == 'J') {
if (_PyOS_opterr)
if (_PyOS_opterr) {
fprintf(stderr, "-J is reserved for Jython\n");
}
return '_';
}
if ((ptr = wcschr(SHORT_OPTS, option)) == NULL) {
if (_PyOS_opterr)
if (_PyOS_opterr) {
fprintf(stderr, "Unknown option: -%c\n", (char)option);
}
return '_';
}
@ -147,9 +155,10 @@ int _PyOS_GetOpt(Py_ssize_t argc, wchar_t * const *argv, int *longindex)
else {
if (_PyOS_optind >= argc) {
if (_PyOS_opterr)
if (_PyOS_opterr) {
fprintf(stderr,
"Argument expected for the -%c option\n", (char)option);
}
return '_';
}