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Make universal variable matching case sensitive

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This commit is contained in:
ridiculousfish 2018-10-20 18:19:30 -07:00
parent fe485f2485
commit 11c77abc8c
1 changed files with 21 additions and 20 deletions
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41
src/env_universal_common.cpp
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@ -56,17 +56,6 @@
#include <bsd/ifaddrs.h>
#endif // Haiku
/// The set command.
#define SET_STR L"SET"
/// The set_export command.
#define SET_EXPORT_STR L"SET_EXPORT"
/// Non-wide version of the set command.
#define SET_MBS "SET"
/// Non-wide version of the set_export command.
#define SET_EXPORT_MBS "SET_EXPORT"
/// Error message.
#define PARSE_ERR L"Unable to parse universal variable message: '%ls'"
@ -80,12 +69,20 @@
// Maximum file size we'll read.
static constexpr size_t k_max_read_size = 16 * 1024 * 1024;
// Fields used in fish 2.x uvars.
namespace fish2x_uvars {
namespace {
constexpr const char *SET = "SET";
constexpr const char *SET_EXPORT = "SET_EXPORT";
} // namespace
} // namespace fish2x_uvars
// Fields used in fish 3.0 uvars
namespace fish3_uvars {
namespace {
constexpr const wchar_t *SETUVAR = L"SETUVAR";
constexpr const wchar_t *EXPORT = L"--export";
constexpr const wchar_t *PATH = L"--path";
constexpr const char *SETUVAR = "SETUVAR";
constexpr const char *EXPORT = "--export";
constexpr const char *PATH = "--path";
} // namespace
} // namespace fish3_uvars
@ -121,10 +118,12 @@ static maybe_t<wcstring> default_vars_path() {
/// Test if the message msg contains the command cmd.
/// On success, updates the cursor to just past the command.
static bool match(const wchar_t **inout_cursor, const wchar_t *cmd) {
static bool match(const wchar_t **inout_cursor, const char *cmd) {
const wchar_t *cursor = *inout_cursor;
size_t len = wcslen(cmd);
if (wcsncasecmp(cursor, cmd, len) != 0) return false;
size_t len = strlen(cmd);
if (!std::equal(cmd, cmd + len, cursor)) {
return false;
}
if (cursor[len] && cursor[len] != L' ' && cursor[len] != L'\t') return false;
*inout_cursor = cursor + len;
return true;
@ -171,13 +170,14 @@ static bool append_file_entry(uvar_message_type_t type, const wcstring &key_in,
const wcstring &val_in, std::string *result, std::string *storage) {
assert(storage != NULL);
assert(result != NULL);
namespace f2x = fish2x_uvars;
// Record the length on entry, in case we need to back up.
bool success = true;
const size_t result_length_on_entry = result->size();
// Append header like "SET "
result->append(type == uvar_message_type_t::set ? SET_MBS : SET_EXPORT_MBS);
result->append(type == uvar_message_type_t::set ? f2x::SET : f2x::SET_EXPORT);
result->push_back(' ');
// Append variable name like "fish_color_cwd".
@ -876,6 +876,7 @@ void env_universal_t::parse_message_30_internal(const wcstring &msgstr, var_tabl
/// Parse message msg per fish 2.x format.
void env_universal_t::parse_message_2x_internal(const wcstring &msgstr, var_table_t *vars,
wcstring *storage) {
namespace f2x = fish2x_uvars;
const wchar_t *const msg = msgstr.c_str();
const wchar_t *cursor = msg;
@ -883,9 +884,9 @@ void env_universal_t::parse_message_2x_internal(const wcstring &msgstr, var_tabl
if (cursor[0] == L'#') return;
env_var_t::env_var_flags_t flags = 0;
if (match(&cursor, SET_EXPORT_STR)) {
if (match(&cursor, f2x::SET_EXPORT)) {
flags |= env_var_t::flag_export;
} else if (match(&cursor, SET_STR)) {
} else if (match(&cursor, f2x::SET)) {
flags |= 0;
} else {
debug(1, PARSE_ERR, msg);