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#ifndef _CSTR_H_
#define _CSTR_H_
/* A general-purpose string "class" for C */
#if !defined(P)
#ifdef __STDC__
#define P(x) x
#else
#define P(x) ()
#endif
#endif
/* For building dynamic link libraries under windows, windows NT
* using MSVC1.5 or MSVC2.0
*/
#ifndef _DLLDECL
#define _DLLDECL
#ifdef MSVC15 /* MSVC1.5 support for 16 bit apps */
#define _MSVC15EXPORT _export
#define _MSVC20EXPORT
#define _DLLAPI _export _pascal
#define _CDECL
#define _TYPE(a) a _MSVC15EXPORT
#define DLLEXPORT 1
#elif defined(MSVC20) || (defined(_USRDLL) && defined(SRP_EXPORTS))
#define _MSVC15EXPORT
#define _MSVC20EXPORT _declspec(dllexport)
#define _DLLAPI
#define _CDECL
#define _TYPE(a) _MSVC20EXPORT a
#define DLLEXPORT 1
#else /* Default, non-dll. Use this for Unix or DOS */
#define _MSVC15DEXPORT
#define _MSVC20EXPORT
#define _DLLAPI
#if defined(WINDOWS) || defined(WIN32)
#define _CDECL _cdecl
#else
#define _CDECL
#endif
#define _TYPE(a) a _CDECL
#endif
#endif /* _DLLDECL */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* Arguments to allocator methods ordered this way for compatibility */
typedef struct cstr_alloc_st {
void * (_CDECL * alloc)(size_t n, void * heap);
void (_CDECL * free)(void * p, void * heap);
void * heap;
} cstr_allocator;
typedef struct cstr_st {
char * data; /* Okay to access data and length fields directly */
int length;
int cap;
int ref; /* Simple reference counter */
cstr_allocator * allocator;
} cstr;
_TYPE( void ) cstr_set_allocator P((cstr_allocator * alloc));
_TYPE( cstr * ) cstr_new P((void));
_TYPE( cstr * ) cstr_new_alloc P((cstr_allocator * alloc));
_TYPE( cstr * ) cstr_dup P((const cstr * str));
_TYPE( cstr * ) cstr_dup_alloc P((const cstr * str, cstr_allocator * alloc));
_TYPE( cstr * ) cstr_create P((const char * s));
_TYPE( cstr * ) cstr_createn P((const char * s, int len));
_TYPE( void ) cstr_free P((cstr * str));
_TYPE( void ) cstr_clear_free P((cstr * str));
_TYPE( void ) cstr_use P((cstr * str));
_TYPE( void ) cstr_empty P((cstr * str));
_TYPE( int ) cstr_copy P((cstr * dst, const cstr * src));
_TYPE( int ) cstr_set P((cstr * str, const char * s));
_TYPE( int ) cstr_setn P((cstr * str, const char * s, int len));
_TYPE( int ) cstr_set_length P((cstr * str, int len));
_TYPE( int ) cstr_append P((cstr * str, const char * s));
_TYPE( int ) cstr_appendn P((cstr * str, const char * s, int len));
_TYPE( int ) cstr_append_str P((cstr * dst, const cstr * src));
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _CSTR_H_ */
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