diff options
Diffstat (limited to 'src/lib/string')
| -rw-r--r-- | src/lib/string/.may_include | 4 | ||||
| -rw-r--r-- | src/lib/string/compat_string.c | 4 | ||||
| -rw-r--r-- | src/lib/string/include.am | 2 | ||||
| -rw-r--r-- | src/lib/string/util_string.c | 37 | ||||
| -rw-r--r-- | src/lib/string/util_string.h | 7 |
5 files changed, 27 insertions, 27 deletions
diff --git a/src/lib/string/.may_include b/src/lib/string/.may_include index ec5c769831..1fb9127f19 100644 --- a/src/lib/string/.may_include +++ b/src/lib/string/.may_include @@ -6,5 +6,5 @@ lib/malloc/*.h lib/ctime/*.h lib/string/*.h -strlcat.c -strlcpy.c +ext/strlcat.c +ext/strlcpy.c diff --git a/src/lib/string/compat_string.c b/src/lib/string/compat_string.c index e125c921a4..187f784be5 100644 --- a/src/lib/string/compat_string.c +++ b/src/lib/string/compat_string.c @@ -14,10 +14,10 @@ /* Inline the strl functions if the platform doesn't have them. */ #ifndef HAVE_STRLCPY -#include "strlcpy.c" +#include "ext/strlcpy.c" #endif #ifndef HAVE_STRLCAT -#include "strlcat.c" +#include "ext/strlcat.c" #endif #include <stdlib.h> diff --git a/src/lib/string/include.am b/src/lib/string/include.am index edd74b8a3e..82d35cc5af 100644 --- a/src/lib/string/include.am +++ b/src/lib/string/include.am @@ -5,6 +5,7 @@ if UNITTESTS_ENABLED noinst_LIBRARIES += src/lib/libtor-string-testing.a endif +# ADD_C_FILE: INSERT SOURCES HERE. src_lib_libtor_string_a_SOURCES = \ src/lib/string/compat_ctype.c \ src/lib/string/compat_string.c \ @@ -18,6 +19,7 @@ src_lib_libtor_string_testing_a_SOURCES = \ src_lib_libtor_string_testing_a_CPPFLAGS = $(AM_CPPFLAGS) $(TEST_CPPFLAGS) src_lib_libtor_string_testing_a_CFLAGS = $(AM_CFLAGS) $(TEST_CFLAGS) +# ADD_C_FILE: INSERT HEADERS HERE. noinst_HEADERS += \ src/lib/string/compat_ctype.h \ src/lib/string/compat_string.h \ diff --git a/src/lib/string/util_string.c b/src/lib/string/util_string.c index f934f66f02..f5061a11d2 100644 --- a/src/lib/string/util_string.c +++ b/src/lib/string/util_string.c @@ -71,7 +71,7 @@ tor_memstr(const void *haystack, size_t hlen, const char *needle) /** Return true iff the 'len' bytes at 'mem' are all zero. */ int -tor_mem_is_zero(const char *mem, size_t len) +fast_mem_is_zero(const char *mem, size_t len) { static const char ZERO[] = { 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, @@ -95,17 +95,14 @@ tor_mem_is_zero(const char *mem, size_t len) int tor_digest_is_zero(const char *digest) { - static const uint8_t ZERO_DIGEST[] = { - 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0 - }; - return tor_memeq(digest, ZERO_DIGEST, DIGEST_LEN); + return safe_mem_is_zero(digest, DIGEST_LEN); } /** Return true iff the DIGEST256_LEN bytes in digest are all zero. */ int tor_digest256_is_zero(const char *digest) { - return tor_mem_is_zero(digest, DIGEST256_LEN); + return safe_mem_is_zero(digest, DIGEST256_LEN); } /** Remove from the string <b>s</b> every character which appears in @@ -212,21 +209,6 @@ strcmpstart(const char *s1, const char *s2) return strncmp(s1, s2, n); } -/** Compare the s1_len-byte string <b>s1</b> with <b>s2</b>, - * without depending on a terminating nul in s1. Sorting order is first by - * length, then lexically; return values are as for strcmp. - */ -int -strcmp_len(const char *s1, const char *s2, size_t s1_len) -{ - size_t s2_len = strlen(s2); - if (s1_len < s2_len) - return -1; - if (s1_len > s2_len) - return 1; - return fast_memcmp(s1, s2, s2_len); -} - /** Compares the first strlen(s2) characters of s1 with s2. Returns as for * strcasecmp. */ @@ -541,3 +523,16 @@ string_is_utf8(const char *str, size_t len) } return true; } + +/** As string_is_utf8(), but returns false if the string begins with a UTF-8 + * byte order mark (BOM). + */ +int +string_is_utf8_no_bom(const char *str, size_t len) +{ + if (len >= 3 && (!strcmpstart(str, "\uFEFF") || + !strcmpstart(str, "\uFFFE"))) { + return false; + } + return string_is_utf8(str, len); +} diff --git a/src/lib/string/util_string.h b/src/lib/string/util_string.h index d9fbf8c61e..b3c6841d41 100644 --- a/src/lib/string/util_string.h +++ b/src/lib/string/util_string.h @@ -20,7 +20,10 @@ const void *tor_memmem(const void *haystack, size_t hlen, const void *needle, size_t nlen); const void *tor_memstr(const void *haystack, size_t hlen, const char *needle); -int tor_mem_is_zero(const char *mem, size_t len); +int fast_mem_is_zero(const char *mem, size_t len); +#define fast_digest_is_zero(d) fast_mem_is_zero((d), DIGEST_LEN) +#define fast_digetst256_is_zero(d) fast_mem_is_zero((d), DIGEST256_LEN) + int tor_digest_is_zero(const char *digest); int tor_digest256_is_zero(const char *digest); @@ -33,7 +36,6 @@ int tor_strisnonupper(const char *s); int tor_strisspace(const char *s); int strcmp_opt(const char *s1, const char *s2); int strcmpstart(const char *s1, const char *s2); -int strcmp_len(const char *s1, const char *s2, size_t len); int strcasecmpstart(const char *s1, const char *s2); int strcmpend(const char *s1, const char *s2); int strcasecmpend(const char *s1, const char *s2); @@ -53,5 +55,6 @@ const char *find_str_at_start_of_line(const char *haystack, int string_is_C_identifier(const char *string); int string_is_utf8(const char *str, size_t len); +int string_is_utf8_no_bom(const char *str, size_t len); #endif /* !defined(TOR_UTIL_STRING_H) */ |