diff options
Diffstat (limited to 'strbuf.h')
| -rw-r--r-- | strbuf.h | 120 |
1 files changed, 107 insertions, 13 deletions
@@ -17,20 +17,23 @@ 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) { +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) { +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) { +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; @@ -42,28 +45,74 @@ static inline void strbuf_setlen(struct strbuf *sb, size_t len) { extern void strbuf_trim(struct strbuf *); extern void strbuf_rtrim(struct strbuf *); extern void strbuf_ltrim(struct strbuf *); +extern int strbuf_reencode(struct strbuf *sb, const char *from, const char *to); +extern void strbuf_tolower(struct strbuf *sb); extern int strbuf_cmp(const struct strbuf *, const struct strbuf *); +static inline int strbuf_strip_suffix(struct strbuf *sb, const char *suffix) +{ + if (strip_suffix_mem(sb->buf, &sb->len, suffix)) { + strbuf_setlen(sb, sb->len); + return 1; + } else + return 0; +} + +/* + * Split str (of length slen) at the specified terminator character. + * Return a null-terminated array of pointers to strbuf objects + * holding the substrings. The substrings include the terminator, + * except for the last substring, which might be unterminated if the + * original string did not end with a terminator. If max is positive, + * then split the string into at most max substrings (with the last + * substring containing everything following the (max-1)th terminator + * character). + * + * For lighter-weight alternatives, see string_list_split() and + * string_list_split_in_place(). + */ extern struct strbuf **strbuf_split_buf(const char *, size_t, - int delim, int max); + int terminator, int max); + +/* + * Split a NUL-terminated string at the specified terminator + * character. See strbuf_split_buf() for more information. + */ static inline struct strbuf **strbuf_split_str(const char *str, - int delim, int max) + int terminator, int max) { - return strbuf_split_buf(str, strlen(str), delim, max); + return strbuf_split_buf(str, strlen(str), terminator, max); } + +/* + * Split a strbuf at the specified terminator character. See + * strbuf_split_buf() for more information. + */ static inline struct strbuf **strbuf_split_max(const struct strbuf *sb, - int delim, int max) + int terminator, int max) { - return strbuf_split_buf(sb->buf, sb->len, delim, max); + return strbuf_split_buf(sb->buf, sb->len, terminator, max); } -static inline struct strbuf **strbuf_split(const struct strbuf *sb, int delim) + +/* + * Split a strbuf at the specified terminator character. See + * strbuf_split_buf() for more information. + */ +static inline struct strbuf **strbuf_split(const struct strbuf *sb, + int terminator) { - return strbuf_split_max(sb, delim, 0); + return strbuf_split_max(sb, terminator, 0); } + +/* + * Free a NULL-terminated list of strbufs (for example, the return + * values of the strbuf_split*() functions). + */ extern void strbuf_list_free(struct strbuf **); /*----- add data in your buffer -----*/ -static inline void strbuf_addch(struct strbuf *sb, int c) { +static inline void strbuf_addch(struct strbuf *sb, int c) +{ strbuf_grow(sb, 1); sb->buf[sb->len++] = c; sb->buf[sb->len] = '\0'; @@ -76,15 +125,20 @@ extern void strbuf_remove(struct strbuf *, size_t pos, size_t len); extern void strbuf_splice(struct strbuf *, size_t pos, size_t len, const void *, size_t); +extern void strbuf_add_commented_lines(struct strbuf *out, const char *buf, size_t size); + extern void strbuf_add(struct strbuf *, const void *, size_t); -static inline void strbuf_addstr(struct strbuf *sb, const char *s) { +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) { +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); +extern void strbuf_addchars(struct strbuf *sb, int c, size_t n); 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); @@ -97,17 +151,35 @@ extern void strbuf_addbuf_percentquote(struct strbuf *dst, const struct strbuf * __attribute__((format (printf,2,3))) extern void strbuf_addf(struct strbuf *sb, const char *fmt, ...); +__attribute__((format (printf, 2, 3))) +extern void strbuf_commented_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); +extern void strbuf_add_lines(struct strbuf *sb, const char *prefix, const char *buf, size_t size); + +/* + * Append s to sb, with the characters '<', '>', '&' and '"' converted + * into XML entities. + */ +extern void strbuf_addstr_xml_quoted(struct strbuf *sb, const char *s); + +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_getcwd(struct strbuf *sb); 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); @@ -115,4 +187,26 @@ extern int launch_editor(const char *path, struct strbuf *buffer, const char *co 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_addstr_urlencode(struct strbuf *, const char *, + int reserved); +extern void strbuf_humanise_bytes(struct strbuf *buf, off_t bytes); + +extern void strbuf_add_absolute_path(struct strbuf *sb, const char *path); + +__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, ...); + +char *xstrdup_tolower(const char *); + +/* + * Create a newly allocated string using printf format. You can do this easily + * with a strbuf, but this provides a shortcut to save a few lines. + */ +__attribute__((format (printf, 1, 0))) +char *xstrvfmt(const char *fmt, va_list ap); +__attribute__((format (printf, 1, 2))) +char *xstrfmt(const char *fmt, ...); + #endif /* STRBUF_H */ |