diff options
Diffstat (limited to 'src/basic/escape.c')
| -rw-r--r-- | src/basic/escape.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/basic/escape.c b/src/basic/escape.c index 2067be4092..e50ae68cc6 100644 --- a/src/basic/escape.c +++ b/src/basic/escape.c @@ -365,6 +365,8 @@ char* xescape_full(const char *s, const char *bad, size_t console_width, XEscape char *ans, *t, *prev, *prev2; const char *f; + assert(s); + /* Escapes all chars in bad, in addition to \ and all special chars, in \xFF style escaping. May be * reversed with cunescape(). If XESCAPE_8_BIT is specified, characters >= 127 are let through * unchanged. This corresponds to non-ASCII printable characters in pre-unicode encodings. @@ -397,7 +399,7 @@ char* xescape_full(const char *s, const char *bad, size_t console_width, XEscape if ((unsigned char) *f < ' ' || (!FLAGS_SET(flags, XESCAPE_8_BIT) && (unsigned char) *f >= 127) || - *f == '\\' || strchr(bad, *f)) { + *f == '\\' || (bad && strchr(bad, *f))) { if ((size_t) (t - ans) + 4 + 3 * force_ellipsis > console_width) break; @@ -437,7 +439,7 @@ char* xescape_full(const char *s, const char *bad, size_t console_width, XEscape char* escape_non_printable_full(const char *str, size_t console_width, XEscapeFlags flags) { if (FLAGS_SET(flags, XESCAPE_8_BIT)) - return xescape_full(str, "", console_width, flags); + return xescape_full(str, /* bad= */ NULL, console_width, flags); else return utf8_escape_non_printable_full(str, console_width, |