The Tor Browser / file comparison
comparison: security/sandbox/chromium/base/strings/string_util_stripped.cc
security/sandbox/chromium/base/strings/string_util_stripped.cc
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
equal
deleted
inserted
replaced
| -1:000000000000 | 0:2351f6e9c2c7 |
|---|---|
| 1 #include <wchar.h> | |
| 2 | |
| 3 namespace base { | |
| 4 | |
| 5 bool IsWprintfFormatPortable(const wchar_t* format) { | |
| 6 for (const wchar_t* position = format; *position != '\0'; ++position) { | |
| 7 if (*position == '%') { | |
| 8 bool in_specification = true; | |
| 9 bool modifier_l = false; | |
| 10 while (in_specification) { | |
| 11 // Eat up characters until reaching a known specifier. | |
| 12 if (*++position == '\0') { | |
| 13 // The format string ended in the middle of a specification. Call | |
| 14 // it portable because no unportable specifications were found. The | |
| 15 // string is equally broken on all platforms. | |
| 16 return true; | |
| 17 } | |
| 18 | |
| 19 if (*position == 'l') { | |
| 20 // 'l' is the only thing that can save the 's' and 'c' specifiers. | |
| 21 modifier_l = true; | |
| 22 } else if (((*position == 's' || *position == 'c') && !modifier_l) || | |
| 23 *position == 'S' || *position == 'C' || *position == 'F' || | |
| 24 *position == 'D' || *position == 'O' || *position == 'U') { | |
| 25 // Not portable. | |
| 26 return false; | |
| 27 } | |
| 28 | |
| 29 if (wcschr(L"diouxXeEfgGaAcspn%", *position)) { | |
| 30 // Portable, keep scanning the rest of the format string. | |
| 31 in_specification = false; | |
| 32 } | |
| 33 } | |
| 34 } | |
| 35 } | |
| 36 | |
| 37 return true; | |
| 38 } | |
| 39 | |
| 40 } // namespace base | |
| 41 |
