diff options
Diffstat (limited to 'tools/perf/util/string.c')
| -rw-r--r-- | tools/perf/util/string.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c index 308fc7ec88cc..c0e927bbadf6 100644 --- a/tools/perf/util/string.c +++ b/tools/perf/util/string.c @@ -254,11 +254,20 @@ char *strpbrk_esc(char *str, const char *stopset) do { ptr = strpbrk(str, stopset); - if (ptr == str || - (ptr == str + 1 && *(ptr - 1) != '\\')) + if (!ptr) { + /* stopset not in str. */ break; + } + if (ptr == str) { + /* stopset character is first in str. */ + break; + } + if (ptr == str + 1 && str[0] != '\\') { + /* stopset chacter is second and wasn't preceded by a '\'. */ + break; + } str = ptr + 1; - } while (ptr && *(ptr - 1) == '\\' && *(ptr - 2) != '\\'); + } while (ptr[-1] == '\\' && ptr[-2] != '\\'); return ptr; } |