diff options
-rw-r--r-- | src/glsl/glcpp/pp.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/glsl/glcpp/pp.c b/src/glsl/glcpp/pp.c index 1ce829a2c97..7aa1a968de7 100644 --- a/src/glsl/glcpp/pp.c +++ b/src/glsl/glcpp/pp.c @@ -93,12 +93,16 @@ remove_line_continuations(glcpp_parser_t *ctx, const char *shader) const char *newline; while ((newline = strchr(search_start, '\n')) != NULL) { const char *backslash = NULL; + + /* # of characters preceding the newline. */ + int n = newline - shader; + /* Find the preceding '\', if it exists */ - if (newline[-1] == '\\') { + if (n >= 1 && newline[-1] == '\\') backslash = newline - 1; - } else if (newline[-1] == '\r' && newline[-2] == '\\') { + else if (n >= 2 && newline[-1] == '\r' && newline[-2] == '\\') backslash = newline - 2; - } + /* Double backslashes don't count (the backslash is escaped) */ if (backslash != NULL && backslash[-1] == '\\') { backslash = NULL; |