Mercurial > dovecot > core-2.2
view src/lib/strfuncs.h @ 14629:c93ca5e46a8a
Marked functions parameters that are allowed to be NULL. Some APIs were also changed.
The non-obvious APIs where NULL parameter was changed to "" are
master_service_init() and auth_master_user_list_init().
These checks can currently be enabled only on a patched clang:
http://llvm.org/bugs/show_bug.cgi?id=6786
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Sun, 24 Jun 2012 00:52:57 +0300 |
parents | 7eb9688c266f |
children | d3db2ba15d00 |
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#ifndef STRFUNC_H #define STRFUNC_H #define MAX_INT_STRLEN ((sizeof(uintmax_t) * CHAR_BIT + 2) / 3 + 1) extern const unsigned char uchar_nul; /* (const unsigned char *)"" */ /* Returns -1 if dest wasn't large enough, 0 if not. */ int i_snprintf(char *dest, size_t max_chars, const char *format, ...) ATTR_FORMAT(3, 4); char *p_strdup(pool_t pool, const char *str) ATTR_MALLOC; /* return NULL if str = "" */ char *p_strdup_empty(pool_t pool, const char *str) ATTR_MALLOC; /* *end isn't included */ char *p_strdup_until(pool_t pool, const void *start, const void *end) ATTR_MALLOC; char *p_strndup(pool_t pool, const void *str, size_t max_chars) ATTR_MALLOC; char *p_strdup_printf(pool_t pool, const char *format, ...) ATTR_FORMAT(2, 3) ATTR_MALLOC; char *p_strdup_vprintf(pool_t pool, const char *format, va_list args) ATTR_FORMAT(2, 0) ATTR_MALLOC; char *p_strconcat(pool_t pool, const char *str1, ...) ATTR_SENTINEL ATTR_MALLOC; /* same with temporary memory allocations: */ const char *t_strdup(const char *str) ATTR_MALLOC; char *t_strdup_noconst(const char *str) ATTR_MALLOC; /* return NULL if str = "" */ const char *t_strdup_empty(const char *str) ATTR_MALLOC; /* *end isn't included */ const char *t_strdup_until(const void *start, const void *end) ATTR_MALLOC; const char *t_strndup(const void *str, size_t max_chars) ATTR_MALLOC; const char *t_strdup_printf(const char *format, ...) ATTR_FORMAT(1, 2) ATTR_MALLOC; const char *t_strdup_vprintf(const char *format, va_list args) ATTR_FORMAT(1, 0) ATTR_MALLOC; const char *t_strconcat(const char *str1, ...) ATTR_SENTINEL ATTR_MALLOC; /* Like t_strdup(), but stop at cutchar. */ const char *t_strcut(const char *str, char cutchar); /* Like strlcpy(), but return -1 if buffer was overflown, 0 if not. */ int i_strocpy(char *dest, const char *src, size_t dstsize); char *str_ucase(char *str); char *str_lcase(char *str); const char *t_str_lcase(const char *str); const char *t_str_ucase(const char *str); int null_strcmp(const char *s1, const char *s2) ATTR_PURE; int bsearch_strcmp(const void *p1, const void *p2) ATTR_PURE; int bsearch_strcasecmp(const void *p1, const void *p2) ATTR_PURE; int i_memcasecmp(const void *p1, const void *p2, size_t size) ATTR_PURE; int i_strcmp_p(const void *p1, const void *p2) ATTR_PURE; int i_strcasecmp_p(const void *p1, const void *p2) ATTR_PURE; /* separators is an array of separator characters, not a separator string. */ char **p_strsplit(pool_t pool, const char *data, const char *separators) ATTR_MALLOC; const char **t_strsplit(const char *data, const char *separators) ATTR_MALLOC; /* like p_strsplit(), but treats multiple adjacent separators as a single separator. */ char **p_strsplit_spaces(pool_t pool, const char *data, const char *separators) ATTR_MALLOC; const char **t_strsplit_spaces(const char *data, const char *separators) ATTR_MALLOC; void p_strsplit_free(pool_t pool, char **arr); /* Optimized version of t_strsplit(data, "\t") */ const char **t_strsplit_tab(const char *data); const char *dec2str(uintmax_t number); /* Return length of NULL-terminated list string array */ unsigned int str_array_length(const char *const *arr) ATTR_PURE; /* Return all strings from array joined into one string. */ const char *t_strarray_join(const char *const *arr, const char *separator) ATTR_MALLOC; /* Removes a value from NULL-terminated string array. Returns TRUE if found. */ bool str_array_remove(const char **arr, const char *value); /* Returns TRUE if value exists in NULL-terminated string array. */ bool str_array_find(const char *const *arr, const char *value); /* Like str_array_find(), but use strcasecmp(). */ bool str_array_icase_find(const char *const *arr, const char *value); /* Duplicate array of strings. The memory can be freed by freeing the return value. */ const char **p_strarray_dup(pool_t pool, const char *const *arr); /* INTERNAL */ char *t_noalloc_strdup_vprintf(const char *format, va_list args, unsigned int *size_r) ATTR_FORMAT(1, 0); char *vstrconcat(const char *str1, va_list args, size_t *ret_len) ATTR_MALLOC; #endif