| #ifndef STRBUF_H |
| #define STRBUF_H |
| |
| /* See Documentation/technical/api-strbuf.txt */ |
| |
| extern char strbuf_slopbuf[]; |
| struct strbuf { |
| size_t alloc; |
| size_t len; |
| char *buf; |
| }; |
| |
| #define STRBUF_INIT { 0, 0, strbuf_slopbuf } |
| |
| /*----- strbuf life cycle -----*/ |
| extern void strbuf_init(struct strbuf *, size_t); |
| extern void strbuf_release(struct strbuf *); |
| extern char *strbuf_detach(struct strbuf *, size_t *); |
| extern void strbuf_attach(struct strbuf *, void *, size_t, size_t); |
| static inline void strbuf_swap(struct strbuf *a, struct strbuf *b) { |
| struct strbuf tmp = *a; |
| *a = *b; |
| *b = tmp; |
| } |
| |
| /*----- strbuf size related -----*/ |
| static inline size_t strbuf_avail(const struct strbuf *sb) { |
| return sb->alloc ? sb->alloc - sb->len - 1 : 0; |
| } |
| |
| extern void strbuf_grow(struct strbuf *, size_t); |
| |
| static inline void strbuf_setlen(struct strbuf *sb, size_t len) { |
| if (len > (sb->alloc ? sb->alloc - 1 : 0)) |
| die("BUG: strbuf_setlen() beyond buffer"); |
| sb->len = len; |
| sb->buf[len] = '\0'; |
| } |
| #define strbuf_reset(sb) strbuf_setlen(sb, 0) |
| |
| /*----- content related -----*/ |
| extern void strbuf_trim(struct strbuf *); |
| extern void strbuf_rtrim(struct strbuf *); |
| extern void strbuf_ltrim(struct strbuf *); |
| extern int strbuf_cmp(const struct strbuf *, const struct strbuf *); |
| |
| extern struct strbuf **strbuf_split_buf(const char *, size_t, |
| int delim, int max); |
| static inline struct strbuf **strbuf_split_str(const char *str, |
| int delim, int max) |
| { |
| return strbuf_split_buf(str, strlen(str), delim, max); |
| } |
| static inline struct strbuf **strbuf_split_max(const struct strbuf *sb, |
| int delim, int max) |
| { |
| return strbuf_split_buf(sb->buf, sb->len, delim, max); |
| } |
| static inline struct strbuf **strbuf_split(const struct strbuf *sb, int delim) |
| { |
| return strbuf_split_max(sb, delim, 0); |
| } |
| extern void strbuf_list_free(struct strbuf **); |
| |
| /*----- add data in your buffer -----*/ |
| static inline void strbuf_addch(struct strbuf *sb, int c) { |
| strbuf_grow(sb, 1); |
| sb->buf[sb->len++] = c; |
| sb->buf[sb->len] = '\0'; |
| } |
| |
| extern void strbuf_insert(struct strbuf *, size_t pos, const void *, size_t); |
| extern void strbuf_remove(struct strbuf *, size_t pos, size_t len); |
| |
| /* splice pos..pos+len with given data */ |
| extern void strbuf_splice(struct strbuf *, size_t pos, size_t len, |
| const void *, size_t); |
| |
| extern void strbuf_add(struct strbuf *, const void *, size_t); |
| static inline void strbuf_addstr(struct strbuf *sb, const char *s) { |
| strbuf_add(sb, s, strlen(s)); |
| } |
| static inline void strbuf_addbuf(struct strbuf *sb, const struct strbuf *sb2) { |
| strbuf_grow(sb, sb2->len); |
| strbuf_add(sb, sb2->buf, sb2->len); |
| } |
| extern void strbuf_adddup(struct strbuf *sb, size_t pos, size_t len); |
| |
| typedef size_t (*expand_fn_t) (struct strbuf *sb, const char *placeholder, void *context); |
| extern void strbuf_expand(struct strbuf *sb, const char *format, expand_fn_t fn, void *context); |
| struct strbuf_expand_dict_entry { |
| const char *placeholder; |
| const char *value; |
| }; |
| extern size_t strbuf_expand_dict_cb(struct strbuf *sb, const char *placeholder, void *context); |
| extern void strbuf_addbuf_percentquote(struct strbuf *dst, const struct strbuf *src); |
| |
| __attribute__((format (printf,2,3))) |
| extern void strbuf_addf(struct strbuf *sb, const char *fmt, ...); |
| __attribute__((format (printf,2,0))) |
| extern void strbuf_vaddf(struct strbuf *sb, const char *fmt, va_list ap); |
| __attribute__((format (printf,2,3))) |
| extern void strbuf_addf_ln(struct strbuf *sb, const char *fmt, ...); |
| |
| extern void strbuf_add_lines(struct strbuf *sb, const char *prefix, const char *buf, size_t size); |
| |
| static inline void strbuf_complete_line(struct strbuf *sb) |
| { |
| if (sb->len && sb->buf[sb->len - 1] != '\n') |
| strbuf_addch(sb, '\n'); |
| } |
| |
| extern size_t strbuf_fread(struct strbuf *, size_t, FILE *); |
| /* XXX: if read fails, any partial read is undone */ |
| extern ssize_t strbuf_read(struct strbuf *, int fd, size_t hint); |
| extern int strbuf_read_file(struct strbuf *sb, const char *path, size_t hint); |
| extern int strbuf_readlink(struct strbuf *sb, const char *path, size_t hint); |
| |
| extern int strbuf_getwholeline(struct strbuf *, FILE *, int); |
| extern int strbuf_getline(struct strbuf *, FILE *, int); |
| extern int strbuf_getwholeline_fd(struct strbuf *, int, int); |
| |
| extern void stripspace(struct strbuf *buf, int skip_comments); |
| extern int launch_editor(const char *path, struct strbuf *buffer, const char *const *env); |
| |
| extern int strbuf_branchname(struct strbuf *sb, const char *name); |
| extern int strbuf_check_branch_ref(struct strbuf *sb, const char *name); |
| |
| extern void strbuf_add_urlencode(struct strbuf *, const char *, size_t, |
| int reserved); |
| extern void strbuf_addstr_urlencode(struct strbuf *, const char *, |
| int reserved); |
| |
| __attribute__((format (printf,1,2))) |
| extern int printf_ln(const char *fmt, ...); |
| __attribute__((format (printf,2,3))) |
| extern int fprintf_ln(FILE *fp, const char *fmt, ...); |
| |
| #endif /* STRBUF_H */ |