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-rw-r--r--ccan/str/str.h228
1 files changed, 0 insertions, 228 deletions
diff --git a/ccan/str/str.h b/ccan/str/str.h
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--- a/ccan/str/str.h
+++ /dev/null
@@ -1,228 +0,0 @@
-/* CC0 (Public domain) - see LICENSE file for details */
-#ifndef CCAN_STR_H
-#define CCAN_STR_H
-#include "config.h"
-#include <string.h>
-#include <stdbool.h>
-#include <limits.h>
-#include <ctype.h>
-
-/**
- * streq - Are two strings equal?
- * @a: first string
- * @b: first string
- *
- * This macro is arguably more readable than "!strcmp(a, b)".
- *
- * Example:
- * if (streq(somestring, ""))
- * printf("String is empty!\n");
- */
-#define streq(a,b) (strcmp((a),(b)) == 0)
-
-/**
- * strstarts - Does this string start with this prefix?
- * @str: string to test
- * @prefix: prefix to look for at start of str
- *
- * Example:
- * if (strstarts(somestring, "foo"))
- * printf("String %s begins with 'foo'!\n", somestring);
- */
-#define strstarts(str,prefix) (strncmp((str),(prefix),strlen(prefix)) == 0)
-
-/**
- * strends - Does this string end with this postfix?
- * @str: string to test
- * @postfix: postfix to look for at end of str
- *
- * Example:
- * if (strends(somestring, "foo"))
- * printf("String %s end with 'foo'!\n", somestring);
- */
-static inline bool strends(const char *str, const char *postfix)
-{
- if (strlen(str) < strlen(postfix))
- return false;
-
- return streq(str + strlen(str) - strlen(postfix), postfix);
-}
-
-/**
- * stringify - Turn expression into a string literal
- * @expr: any C expression
- *
- * Example:
- * #define PRINT_COND_IF_FALSE(cond) \
- * ((cond) || printf("%s is false!", stringify(cond)))
- */
-#define stringify(expr) stringify_1(expr)
-/* Double-indirection required to stringify expansions */
-#define stringify_1(expr) #expr
-
-/**
- * strcount - Count number of (non-overlapping) occurrences of a substring.
- * @haystack: a C string
- * @needle: a substring
- *
- * Example:
- * assert(strcount("aaa aaa", "a") == 6);
- * assert(strcount("aaa aaa", "ab") == 0);
- * assert(strcount("aaa aaa", "aa") == 2);
- */
-size_t strcount(const char *haystack, const char *needle);
-
-/**
- * STR_MAX_CHARS - Maximum possible size of numeric string for this type.
- * @type_or_expr: a pointer or integer type or expression.
- *
- * This provides enough space for a nul-terminated string which represents the
- * largest possible value for the type or expression.
- *
- * Note: The implementation adds extra space so hex values or negative
- * values will fit (eg. sprintf(... "%p"). )
- *
- * Example:
- * char str[STR_MAX_CHARS(int)];
- *
- * sprintf(str, "%i", 7);
- */
-#define STR_MAX_CHARS(type_or_expr) \
- ((sizeof(type_or_expr) * CHAR_BIT + 8) / 9 * 3 + 2 \
- + STR_MAX_CHARS_TCHECK_(type_or_expr))
-
-#if HAVE_TYPEOF
-/* Only a simple type can have 0 assigned, so test that. */
-#define STR_MAX_CHARS_TCHECK_(type_or_expr) \
- (sizeof(({ typeof(type_or_expr) x = 0; x; }))*0)
-#else
-#define STR_MAX_CHARS_TCHECK_(type_or_expr) 0
-#endif
-
-/**
- * cisalnum - isalnum() which takes a char (and doesn't accept EOF)
- * @c: a character
- *
- * Surprisingly, the standard ctype.h isalnum() takes an int, which
- * must have the value of EOF (-1) or an unsigned char. This variant
- * takes a real char, and doesn't accept EOF.
- */
-static inline bool cisalnum(char c)
-{
- return isalnum((unsigned char)c);
-}
-static inline bool cisalpha(char c)
-{
- return isalpha((unsigned char)c);
-}
-static inline bool cisascii(char c)
-{
- return isascii((unsigned char)c);
-}
-#if HAVE_ISBLANK
-static inline bool cisblank(char c)
-{
- return isblank((unsigned char)c);
-}
-#endif
-static inline bool ciscntrl(char c)
-{
- return iscntrl((unsigned char)c);
-}
-static inline bool cisdigit(char c)
-{
- return isdigit((unsigned char)c);
-}
-static inline bool cisgraph(char c)
-{
- return isgraph((unsigned char)c);
-}
-static inline bool cislower(char c)
-{
- return islower((unsigned char)c);
-}
-static inline bool cisprint(char c)
-{
- return isprint((unsigned char)c);
-}
-static inline bool cispunct(char c)
-{
- return ispunct((unsigned char)c);
-}
-static inline bool cisspace(char c)
-{
- return isspace((unsigned char)c);
-}
-static inline bool cisupper(char c)
-{
- return isupper((unsigned char)c);
-}
-static inline bool cisxdigit(char c)
-{
- return isxdigit((unsigned char)c);
-}
-
-#include <ccan/str/str_debug.h>
-
-/* These checks force things out of line, hence they are under DEBUG. */
-#ifdef CCAN_STR_DEBUG
-#include <ccan/build_assert/build_assert.h>
-
-/* These are commonly misused: they take -1 or an *unsigned* char value. */
-#undef isalnum
-#undef isalpha
-#undef isascii
-#undef isblank
-#undef iscntrl
-#undef isdigit
-#undef isgraph
-#undef islower
-#undef isprint
-#undef ispunct
-#undef isspace
-#undef isupper
-#undef isxdigit
-
-/* You can use a char if char is unsigned. */
-#if HAVE_BUILTIN_TYPES_COMPATIBLE_P && HAVE_TYPEOF
-#define str_check_arg_(i) \
- ((i) + BUILD_ASSERT_OR_ZERO(!__builtin_types_compatible_p(typeof(i), \
- char) \
- || (char)255 > 0))
-#else
-#define str_check_arg_(i) (i)
-#endif
-
-#define isalnum(i) str_isalnum(str_check_arg_(i))
-#define isalpha(i) str_isalpha(str_check_arg_(i))
-#define isascii(i) str_isascii(str_check_arg_(i))
-#if HAVE_ISBLANK
-#define isblank(i) str_isblank(str_check_arg_(i))
-#endif
-#define iscntrl(i) str_iscntrl(str_check_arg_(i))
-#define isdigit(i) str_isdigit(str_check_arg_(i))
-#define isgraph(i) str_isgraph(str_check_arg_(i))
-#define islower(i) str_islower(str_check_arg_(i))
-#define isprint(i) str_isprint(str_check_arg_(i))
-#define ispunct(i) str_ispunct(str_check_arg_(i))
-#define isspace(i) str_isspace(str_check_arg_(i))
-#define isupper(i) str_isupper(str_check_arg_(i))
-#define isxdigit(i) str_isxdigit(str_check_arg_(i))
-
-#if HAVE_TYPEOF
-/* With GNU magic, we can make const-respecting standard string functions. */
-#undef strstr
-#undef strchr
-#undef strrchr
-
-/* + 0 is needed to decay array into pointer. */
-#define strstr(haystack, needle) \
- ((typeof((haystack) + 0))str_strstr((haystack), (needle)))
-#define strchr(haystack, c) \
- ((typeof((haystack) + 0))str_strchr((haystack), (c)))
-#define strrchr(haystack, c) \
- ((typeof((haystack) + 0))str_strrchr((haystack), (c)))
-#endif
-#endif /* CCAN_STR_DEBUG */
-
-#endif /* CCAN_STR_H */