diff options
Diffstat (limited to 'shared/systemd/src/basic/escape.c')
| -rw-r--r-- | shared/systemd/src/basic/escape.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/shared/systemd/src/basic/escape.c b/shared/systemd/src/basic/escape.c index 06d823c7..2cc5be18 100644 --- a/shared/systemd/src/basic/escape.c +++ b/shared/systemd/src/basic/escape.c @@ -104,7 +104,7 @@ char *cescape(const char *s) { return cescape_length(s, strlen(s)); } -int cunescape_one(const char *p, size_t length, char32_t *ret, bool *eight_bit) { +int cunescape_one(const char *p, size_t length, char32_t *ret, bool *eight_bit, bool accept_nul) { int r = 1; assert(p); @@ -173,7 +173,7 @@ int cunescape_one(const char *p, size_t length, char32_t *ret, bool *eight_bit) return -EINVAL; /* Don't allow NUL bytes */ - if (a == 0 && b == 0) + if (a == 0 && b == 0 && !accept_nul) return -EINVAL; *ret = (a << 4U) | b; @@ -201,7 +201,7 @@ int cunescape_one(const char *p, size_t length, char32_t *ret, bool *eight_bit) c = ((uint32_t) a[0] << 12U) | ((uint32_t) a[1] << 8U) | ((uint32_t) a[2] << 4U) | (uint32_t) a[3]; /* Don't allow 0 chars */ - if (c == 0) + if (c == 0 && !accept_nul) return -EINVAL; *ret = c; @@ -229,7 +229,7 @@ int cunescape_one(const char *p, size_t length, char32_t *ret, bool *eight_bit) ((uint32_t) a[4] << 12U) | ((uint32_t) a[5] << 8U) | ((uint32_t) a[6] << 4U) | (uint32_t) a[7]; /* Don't allow 0 chars */ - if (c == 0) + if (c == 0 && !accept_nul) return -EINVAL; /* Don't allow invalid code points */ @@ -269,7 +269,7 @@ int cunescape_one(const char *p, size_t length, char32_t *ret, bool *eight_bit) return -EINVAL; /* don't allow NUL bytes */ - if (a == 0 && b == 0 && c == 0) + if (a == 0 && b == 0 && c == 0 && !accept_nul) return -EINVAL; /* Don't allow bytes above 255 */ @@ -290,6 +290,7 @@ int cunescape_one(const char *p, size_t length, char32_t *ret, bool *eight_bit) return r; } +#if 0 /* NM_IGNORED */ int cunescape_length_with_prefix(const char *s, size_t length, const char *prefix, UnescapeFlags flags, char **ret) { char *r, *t; const char *f; @@ -335,7 +336,7 @@ int cunescape_length_with_prefix(const char *s, size_t length, const char *prefi return -EINVAL; } - k = cunescape_one(f + 1, remaining - 1, &u, &eight_bit); + k = cunescape_one(f + 1, remaining - 1, &u, &eight_bit, flags & UNESCAPE_ACCEPT_NUL); if (k < 0) { if (flags & UNESCAPE_RELAX) { /* Invalid escape code, let's take it literal then */ @@ -362,15 +363,6 @@ int cunescape_length_with_prefix(const char *s, size_t length, const char *prefi return t - r; } -int cunescape_length(const char *s, size_t length, UnescapeFlags flags, char **ret) { - return cunescape_length_with_prefix(s, length, NULL, flags, ret); -} - -int cunescape(const char *s, UnescapeFlags flags, char **ret) { - return cunescape_length(s, strlen(s), flags, ret); -} - -#if 0 /* NM_IGNORED */ char *xescape_full(const char *s, const char *bad, size_t console_width, bool eight_bits) { char *ans, *t, *prev, *prev2; const char *f; |