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61 lines
2 KiB
C
61 lines
2 KiB
C
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#pragma once
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#ifdef WA_STR_EXPORT
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#include <bfc/platform/export.h>
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#define DLLIMPORT DLLEXPORT
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#else
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#define DLLIMPORT
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* if you need a temporary ref counted string to pass INTO a function
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and have a hardcoded string you want to define on the stack,
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you can use this macro.
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e.g. wa_str myStr = WA_STR_STATIC("test"); */
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#define WA_STR_STATIC(x) ((wa_str)"\0\0\0\0" ## x);
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typedef void *wa_str;
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/* convert a C string into a ref counted string
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if you own the string, try using wa_str_own instead */
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DLLIMPORT wa_str wa_strdup(const char *);
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/* add a reference to a string
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returns the new pointer to use!!!
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in some cases (e.g. WA_STR_STATIC strings) the string must be re-malloc'd
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so be sure to assign the return value to your string
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e.g. wa_str myCopy = wa_str_addref(str); */
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DLLIMPORT wa_str wa_str_retain(wa_str str);
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/* release a reference to a string */
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DLLIMPORT void wa_str_release(wa_str str);
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/* gets a C-style string from a ref counted string.
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only valid for as long as you hold a reference! */
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DLLIMPORT const char *wa_str_get(wa_str str);
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/* copies the contents of a ref counted string into the passed buffer
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*dest = 0 on empty string */
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DLLIMPORT void wa_str_strcpy(wa_str str, char *dest, size_t destlen);
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/* allocates a reference counted string large enough to hold the given character count
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len MUST include null terminator (e.g. pass 5 to malloc enough for "test")
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data is set to where the character data can be written to.
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you'll need to null terminate the string you write */
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DLLIMPORT wa_str wa_str_malloc(size_t len, char **data);
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/* allocates a reference counted string using a C string you already have
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frees your string with the supplied free_func when reference count reaches 0 */
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DLLIMPORT wa_str wa_str_own(char *ptr, void (*free_func)(char *));
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/* a convenient typedef for the above function.
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if you want to pass the standard C free() function
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use (WA_STR_FREE_FUNC)free */
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typedef void (*WA_STR_FREE_FUNC)(char *);
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#ifdef __cplusplus
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}
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#endif
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