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| author | Karel Zak | 2017-12-20 13:01:43 +0100 |
|---|---|---|
| committer | Karel Zak | 2017-12-20 13:01:43 +0100 |
| commit | 43afa84581de8984aa00ef2e9208198929f72ddf (patch) | |
| tree | ca6b08e1546be3fccbef69d957afcad87b26459a /lib | |
| parent | libfdisk: (gpt) use fdisk_warn() for failed name setting (diff) | |
| download | kernel-qcow2-util-linux-43afa84581de8984aa00ef2e9208198929f72ddf.tar.gz kernel-qcow2-util-linux-43afa84581de8984aa00ef2e9208198929f72ddf.tar.xz kernel-qcow2-util-linux-43afa84581de8984aa00ef2e9208198929f72ddf.zip | |
lib/mbsalign: encode \x to \xecx
Don't encode stand alone '\', our encoding is about \x<hex>, so we
need to care about \x prefix only.
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/mbsalign.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/mbsalign.c b/lib/mbsalign.c index dce1a1321..07fc313b8 100644 --- a/lib/mbsalign.c +++ b/lib/mbsalign.c @@ -54,7 +54,8 @@ size_t mbs_safe_nwidth(const char *buf, size_t bufsz, size_t *sz) last = p + (bufsz - 1); while (p && *p && p <= last) { - if (*p == '\\' || iscntrl((unsigned char) *p)) { + if ((p < last && *p == '\\' && *(p + 1) == 'x') + || iscntrl((unsigned char) *p)) { width += 4, bytes += 4; /* *p encoded to \x?? */ p++; } @@ -135,7 +136,8 @@ char *mbs_safe_encode_to_buffer(const char *s, size_t *width, char *buf, const c continue; } - if (*p == '\\' || iscntrl((unsigned char) *p)) { + if ((*p == '\\' && *(p + 1) == 'x') + || iscntrl((unsigned char) *p)) { sprintf(r, "\\x%02x", (unsigned char) *p); r += 4; *width += 4; @@ -239,6 +241,10 @@ char *mbs_invalid_encode_to_buffer(const char *s, size_t *width, char *buf) (*width)++; *r++ = *p; } + } else if (*p == '\\' && *(p + 1) == 'x') { + sprintf(r, "\\x%02x", (unsigned char) *p); + r += 4; + *width += 4; } else { memcpy(r, p, len); r += len; |