util/StringUtil: reorder functions
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@ -26,6 +26,51 @@
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#include <assert.h>
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#include <string.h>
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bool
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StringStartsWith(const char *haystack, const char *needle)
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{
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const size_t length = strlen(needle);
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return memcmp(haystack, needle, length) == 0;
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}
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bool
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StringEndsWith(const char *haystack, const char *needle)
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{
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const size_t haystack_length = strlen(haystack);
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const size_t needle_length = strlen(needle);
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return haystack_length >= needle_length &&
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memcmp(haystack + haystack_length - needle_length,
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needle, needle_length) == 0;
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}
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const char *
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FindStringSuffix(const char *p, const char *suffix)
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{
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const size_t p_length = strlen(p);
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const size_t suffix_length = strlen(suffix);
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if (p_length < suffix_length)
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return nullptr;
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const char *q = p + p_length - suffix_length;
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return memcmp(q, suffix, suffix_length) == 0
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? q
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: nullptr;
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}
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char *
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CopyString(char *gcc_restrict dest, const char *gcc_restrict src, size_t size)
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{
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size_t length = strlen(src);
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if (length >= size)
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length = size - 1;
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char *p = std::copy_n(src, length, dest);
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*p = '\0';
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return p;
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}
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const char *
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StripLeft(const char *p)
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{
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@ -78,51 +123,6 @@ Strip(char *p)
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return p;
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}
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bool
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StringStartsWith(const char *haystack, const char *needle)
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{
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const size_t length = strlen(needle);
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return memcmp(haystack, needle, length) == 0;
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}
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bool
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StringEndsWith(const char *haystack, const char *needle)
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{
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const size_t haystack_length = strlen(haystack);
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const size_t needle_length = strlen(needle);
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return haystack_length >= needle_length &&
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memcmp(haystack + haystack_length - needle_length,
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needle, needle_length) == 0;
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}
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const char *
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FindStringSuffix(const char *p, const char *suffix)
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{
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const size_t p_length = strlen(p);
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const size_t suffix_length = strlen(suffix);
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if (p_length < suffix_length)
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return nullptr;
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const char *q = p + p_length - suffix_length;
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return memcmp(q, suffix, suffix_length) == 0
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? q
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: nullptr;
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}
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char *
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CopyString(char *gcc_restrict dest, const char *gcc_restrict src, size_t size)
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{
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size_t length = strlen(src);
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if (length >= size)
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length = size - 1;
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char *p = std::copy_n(src, length, dest);
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*p = '\0';
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return p;
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}
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bool
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string_array_contains(const char *const* haystack, const char *needle)
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{
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@ -24,6 +24,34 @@
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#include <stddef.h>
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gcc_pure
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bool
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StringStartsWith(const char *haystack, const char *needle);
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gcc_pure
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bool
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StringEndsWith(const char *haystack, const char *needle);
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/**
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* Check if the given string ends with the specified suffix. If yes,
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* returns the position of the suffix, and nullptr otherwise.
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*/
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gcc_pure
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const char *
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FindStringSuffix(const char *p, const char *suffix);
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/**
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* Copy a string. If the buffer is too small, then the string is
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* truncated. This is a safer version of strncpy().
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*
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* @param size the size of the destination buffer (including the null
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* terminator)
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* @return a pointer to the null terminator
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*/
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gcc_nonnull_all
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char *
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CopyString(char *dest, const char *src, size_t size);
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/**
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* Returns a pointer to the first non-whitespace character in the
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* string, or to the end of the string.
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@ -82,34 +110,6 @@ StripRight(char *p);
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char *
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Strip(char *p);
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gcc_pure
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bool
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StringStartsWith(const char *haystack, const char *needle);
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gcc_pure
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bool
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StringEndsWith(const char *haystack, const char *needle);
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/**
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* Check if the given string ends with the specified suffix. If yes,
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* returns the position of the suffix, and nullptr otherwise.
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*/
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gcc_pure
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const char *
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FindStringSuffix(const char *p, const char *suffix);
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/**
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* Copy a string. If the buffer is too small, then the string is
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* truncated. This is a safer version of strncpy().
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*
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* @param size the size of the destination buffer (including the null
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* terminator)
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* @return a pointer to the null terminator
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*/
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gcc_nonnull_all
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char *
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CopyString(char *dest, const char *src, size_t size);
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/**
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* Checks whether a string array contains the specified string.
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*
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