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Diffstat (limited to 'shared/systemd/src/basic/string-util.h')
| -rw-r--r-- | shared/systemd/src/basic/string-util.h | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/shared/systemd/src/basic/string-util.h b/shared/systemd/src/basic/string-util.h deleted file mode 100644 index 593cf04a..00000000 --- a/shared/systemd/src/basic/string-util.h +++ /dev/null @@ -1,280 +0,0 @@ -/* SPDX-License-Identifier: LGPL-2.1-or-later */ -#pragma once - -#include <stdbool.h> -#include <stddef.h> -#include <string.h> - -#include "alloc-util.h" -#include "macro.h" - -/* What is interpreted as whitespace? */ -#define WHITESPACE " \t\n\r" -#define NEWLINE "\n\r" -#define QUOTES "\"\'" -#define COMMENTS "#;" -#define GLOB_CHARS "*?[" -#define DIGITS "0123456789" -#define LOWERCASE_LETTERS "abcdefghijklmnopqrstuvwxyz" -#define UPPERCASE_LETTERS "ABCDEFGHIJKLMNOPQRSTUVWXYZ" -#define LETTERS LOWERCASE_LETTERS UPPERCASE_LETTERS -#define ALPHANUMERICAL LETTERS DIGITS -#define HEXDIGITS DIGITS "abcdefABCDEF" - -#define streq(a,b) (strcmp((a),(b)) == 0) -#define strneq(a, b, n) (strncmp((a), (b), (n)) == 0) -#define strcaseeq(a,b) (strcasecmp((a),(b)) == 0) -#define strncaseeq(a, b, n) (strncasecmp((a), (b), (n)) == 0) - -int strcmp_ptr(const char *a, const char *b) _pure_; -int strcasecmp_ptr(const char *a, const char *b) _pure_; - -static inline bool streq_ptr(const char *a, const char *b) { - return strcmp_ptr(a, b) == 0; -} - -static inline char* strstr_ptr(const char *haystack, const char *needle) { - if (!haystack || !needle) - return NULL; - return strstr(haystack, needle); -} - -static inline const char* strempty(const char *s) { - return s ?: ""; -} - -static inline const char* strnull(const char *s) { - return s ?: "(null)"; -} - -static inline const char *strna(const char *s) { - return s ?: "n/a"; -} - -static inline const char* yes_no(bool b) { - return b ? "yes" : "no"; -} - -static inline const char* true_false(bool b) { - return b ? "true" : "false"; -} - -static inline const char* plus_minus(bool b) { - return b ? "+" : "-"; -} - -static inline const char* one_zero(bool b) { - return b ? "1" : "0"; -} - -static inline const char* enable_disable(bool b) { - return b ? "enable" : "disable"; -} - -static inline bool isempty(const char *p) { - return !p || !p[0]; -} - -static inline const char *empty_to_null(const char *p) { - return isempty(p) ? NULL : p; -} - -static inline const char *empty_to_dash(const char *str) { - return isempty(str) ? "-" : str; -} - -static inline bool empty_or_dash(const char *str) { - return !str || - str[0] == 0 || - (str[0] == '-' && str[1] == 0); -} - -static inline const char *empty_or_dash_to_null(const char *p) { - return empty_or_dash(p) ? NULL : p; -} - -static inline char *startswith(const char *s, const char *prefix) { - size_t l; - - l = strlen(prefix); - if (strncmp(s, prefix, l) == 0) - return (char*) s + l; - - return NULL; -} - -static inline char *startswith_no_case(const char *s, const char *prefix) { - size_t l; - - l = strlen(prefix); - if (strncasecmp(s, prefix, l) == 0) - return (char*) s + l; - - return NULL; -} - -char *endswith(const char *s, const char *postfix) _pure_; -char *endswith_no_case(const char *s, const char *postfix) _pure_; - -char *first_word(const char *s, const char *word) _pure_; - -char *strnappend(const char *s, const char *suffix, size_t length); - -char *strjoin_real(const char *x, ...) _sentinel_; -#define strjoin(a, ...) strjoin_real((a), __VA_ARGS__, NULL) - -#define strjoina(a, ...) \ - ({ \ - const char *_appendees_[] = { a, __VA_ARGS__ }; \ - char *_d_, *_p_; \ - size_t _len_ = 0; \ - size_t _i_; \ - for (_i_ = 0; _i_ < ELEMENTSOF(_appendees_) && _appendees_[_i_]; _i_++) \ - _len_ += strlen(_appendees_[_i_]); \ - _p_ = _d_ = newa(char, _len_ + 1); \ - for (_i_ = 0; _i_ < ELEMENTSOF(_appendees_) && _appendees_[_i_]; _i_++) \ - _p_ = stpcpy(_p_, _appendees_[_i_]); \ - *_p_ = 0; \ - _d_; \ - }) - -char *strstrip(char *s); -char *delete_chars(char *s, const char *bad); -char *delete_trailing_chars(char *s, const char *bad); -char *truncate_nl(char *s); - -static inline char *skip_leading_chars(const char *s, const char *bad) { - if (!s) - return NULL; - - if (!bad) - bad = WHITESPACE; - - return (char*) s + strspn(s, bad); -} - -char ascii_tolower(char x); -char *ascii_strlower(char *s); -char *ascii_strlower_n(char *s, size_t n); - -char ascii_toupper(char x); -char *ascii_strupper(char *s); - -int ascii_strcasecmp_n(const char *a, const char *b, size_t n); -int ascii_strcasecmp_nn(const char *a, size_t n, const char *b, size_t m); - -bool chars_intersect(const char *a, const char *b) _pure_; - -static inline bool _pure_ in_charset(const char *s, const char* charset) { - assert(s); - assert(charset); - return s[strspn(s, charset)] == '\0'; -} - -bool string_has_cc(const char *p, const char *ok) _pure_; - -char *ellipsize_mem(const char *s, size_t old_length_bytes, size_t new_length_columns, unsigned percent); -static inline char *ellipsize(const char *s, size_t length, unsigned percent) { - return ellipsize_mem(s, strlen(s), length, percent); -} - -char *cellescape(char *buf, size_t len, const char *s); - -/* This limit is arbitrary, enough to give some idea what the string contains */ -#define CELLESCAPE_DEFAULT_LENGTH 64 - -char* strshorten(char *s, size_t l); - -char *strreplace(const char *text, const char *old_string, const char *new_string); - -char *strip_tab_ansi(char **ibuf, size_t *_isz, size_t highlight[2]); - -char *strextend_with_separator_internal(char **x, const char *separator, ...) _sentinel_; - -#define strextend_with_separator(x, separator, ...) strextend_with_separator_internal(x, separator, __VA_ARGS__, NULL) -#define strextend(x, ...) strextend_with_separator_internal(x, NULL, __VA_ARGS__, NULL) - -char *strrep(const char *s, unsigned n); - -int split_pair(const char *s, const char *sep, char **l, char **r); - -int free_and_strdup(char **p, const char *s); -static inline int free_and_strdup_warn(char **p, const char *s) { - if (free_and_strdup(p, s) < 0) - return log_oom(); - return 0; -} -int free_and_strndup(char **p, const char *s, size_t l); - -bool string_is_safe(const char *p) _pure_; - -static inline size_t strlen_ptr(const char *s) { - if (!s) - return 0; - - return strlen(s); -} - -DISABLE_WARNING_STRINGOP_TRUNCATION; -static inline void strncpy_exact(char *buf, const char *src, size_t buf_len) { - strncpy(buf, src, buf_len); -} -REENABLE_WARNING; - -/* Like startswith(), but operates on arbitrary memory blocks */ -static inline void *memory_startswith(const void *p, size_t sz, const char *token) { - assert(token); - - size_t n = strlen(token); - if (sz < n) - return NULL; - - assert(p); - - if (memcmp(p, token, n) != 0) - return NULL; - - return (uint8_t*) p + n; -} - -/* Like startswith_no_case(), but operates on arbitrary memory blocks. - * It works only for ASCII strings. - */ -static inline void *memory_startswith_no_case(const void *p, size_t sz, const char *token) { - assert(token); - - size_t n = strlen(token); - if (sz < n) - return NULL; - - assert(p); - - for (size_t i = 0; i < n; i++) - if (ascii_tolower(((char *)p)[i]) != ascii_tolower(token[i])) - return NULL; - - return (uint8_t*) p + n; -} - -static inline char* str_realloc(char **p) { - /* Reallocate *p to actual size */ - - if (!*p) - return NULL; - - char *t = realloc(*p, strlen(*p) + 1); - if (!t) - return NULL; - - return (*p = t); -} - -char* string_erase(char *x); - -int string_truncate_lines(const char *s, size_t n_lines, char **ret); -int string_extract_line(const char *s, size_t i, char **ret); - -int string_contains_word_strv(const char *string, const char *separators, char **words, const char **ret_word); -static inline int string_contains_word(const char *string, const char *separators, const char *word) { - return string_contains_word_strv(string, separators, STRV_MAKE(word), NULL); -} |