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079b546a29
Humanization of downloaded size is done in the same function as text formatting in 'process.c'. The code cannot be reused easily elsewhere. Separate text formatting from size simplification and make the function public in strbuf so that it can easily be used by other callers. We now can use strbuf_humanise_bytes() for both downloaded size and download speed calculation. One of the drawbacks is that speed will now look like this when download is stalled: "0 bytes/s" instead of "0 KiB/s". Signed-off-by: Antoine Pelisse <apelisse@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
180 lines
6.1 KiB
C
180 lines
6.1 KiB
C
#ifndef STRBUF_H
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#define STRBUF_H
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/* See Documentation/technical/api-strbuf.txt */
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extern char strbuf_slopbuf[];
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struct strbuf {
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size_t alloc;
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size_t len;
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char *buf;
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};
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#define STRBUF_INIT { 0, 0, strbuf_slopbuf }
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/*----- strbuf life cycle -----*/
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extern void strbuf_init(struct strbuf *, size_t);
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extern void strbuf_release(struct strbuf *);
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extern char *strbuf_detach(struct strbuf *, size_t *);
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extern void strbuf_attach(struct strbuf *, void *, size_t, size_t);
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static inline void strbuf_swap(struct strbuf *a, struct strbuf *b) {
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struct strbuf tmp = *a;
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*a = *b;
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*b = tmp;
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}
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/*----- strbuf size related -----*/
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static inline size_t strbuf_avail(const struct strbuf *sb) {
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return sb->alloc ? sb->alloc - sb->len - 1 : 0;
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}
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extern void strbuf_grow(struct strbuf *, size_t);
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static inline void strbuf_setlen(struct strbuf *sb, size_t len) {
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if (len > (sb->alloc ? sb->alloc - 1 : 0))
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die("BUG: strbuf_setlen() beyond buffer");
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sb->len = len;
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sb->buf[len] = '\0';
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}
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#define strbuf_reset(sb) strbuf_setlen(sb, 0)
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/*----- content related -----*/
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extern void strbuf_trim(struct strbuf *);
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extern void strbuf_rtrim(struct strbuf *);
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extern void strbuf_ltrim(struct strbuf *);
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extern int strbuf_cmp(const struct strbuf *, const struct strbuf *);
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/*
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* Split str (of length slen) at the specified terminator character.
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* Return a null-terminated array of pointers to strbuf objects
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* holding the substrings. The substrings include the terminator,
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* except for the last substring, which might be unterminated if the
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* original string did not end with a terminator. If max is positive,
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* then split the string into at most max substrings (with the last
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* substring containing everything following the (max-1)th terminator
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* character).
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*
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* For lighter-weight alternatives, see string_list_split() and
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* string_list_split_in_place().
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*/
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extern struct strbuf **strbuf_split_buf(const char *, size_t,
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int terminator, int max);
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/*
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* Split a NUL-terminated string at the specified terminator
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* character. See strbuf_split_buf() for more information.
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*/
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static inline struct strbuf **strbuf_split_str(const char *str,
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int terminator, int max)
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{
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return strbuf_split_buf(str, strlen(str), terminator, max);
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}
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/*
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* Split a strbuf at the specified terminator character. See
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* strbuf_split_buf() for more information.
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*/
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static inline struct strbuf **strbuf_split_max(const struct strbuf *sb,
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int terminator, int max)
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{
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return strbuf_split_buf(sb->buf, sb->len, terminator, max);
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}
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/*
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* Split a strbuf at the specified terminator character. See
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* strbuf_split_buf() for more information.
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*/
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static inline struct strbuf **strbuf_split(const struct strbuf *sb,
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int terminator)
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{
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return strbuf_split_max(sb, terminator, 0);
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}
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/*
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* Free a NULL-terminated list of strbufs (for example, the return
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* values of the strbuf_split*() functions).
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*/
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extern void strbuf_list_free(struct strbuf **);
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/*----- add data in your buffer -----*/
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static inline void strbuf_addch(struct strbuf *sb, int c) {
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strbuf_grow(sb, 1);
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sb->buf[sb->len++] = c;
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sb->buf[sb->len] = '\0';
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}
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extern void strbuf_insert(struct strbuf *, size_t pos, const void *, size_t);
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extern void strbuf_remove(struct strbuf *, size_t pos, size_t len);
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/* splice pos..pos+len with given data */
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extern void strbuf_splice(struct strbuf *, size_t pos, size_t len,
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const void *, size_t);
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extern void strbuf_add_commented_lines(struct strbuf *out, const char *buf, size_t size);
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extern void strbuf_add(struct strbuf *, const void *, size_t);
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static inline void strbuf_addstr(struct strbuf *sb, const char *s) {
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strbuf_add(sb, s, strlen(s));
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}
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static inline void strbuf_addbuf(struct strbuf *sb, const struct strbuf *sb2) {
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strbuf_grow(sb, sb2->len);
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strbuf_add(sb, sb2->buf, sb2->len);
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}
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extern void strbuf_adddup(struct strbuf *sb, size_t pos, size_t len);
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typedef size_t (*expand_fn_t) (struct strbuf *sb, const char *placeholder, void *context);
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extern void strbuf_expand(struct strbuf *sb, const char *format, expand_fn_t fn, void *context);
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struct strbuf_expand_dict_entry {
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const char *placeholder;
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const char *value;
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};
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extern size_t strbuf_expand_dict_cb(struct strbuf *sb, const char *placeholder, void *context);
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extern void strbuf_addbuf_percentquote(struct strbuf *dst, const struct strbuf *src);
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__attribute__((format (printf,2,3)))
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extern void strbuf_addf(struct strbuf *sb, const char *fmt, ...);
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__attribute__((format (printf, 2, 3)))
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extern void strbuf_commented_addf(struct strbuf *sb, const char *fmt, ...);
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__attribute__((format (printf,2,0)))
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extern void strbuf_vaddf(struct strbuf *sb, const char *fmt, va_list ap);
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extern void strbuf_add_lines(struct strbuf *sb, const char *prefix, const char *buf, size_t size);
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/*
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* Append s to sb, with the characters '<', '>', '&' and '"' converted
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* into XML entities.
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*/
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extern void strbuf_addstr_xml_quoted(struct strbuf *sb, const char *s);
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static inline void strbuf_complete_line(struct strbuf *sb)
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{
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if (sb->len && sb->buf[sb->len - 1] != '\n')
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strbuf_addch(sb, '\n');
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}
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extern size_t strbuf_fread(struct strbuf *, size_t, FILE *);
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/* XXX: if read fails, any partial read is undone */
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extern ssize_t strbuf_read(struct strbuf *, int fd, size_t hint);
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extern int strbuf_read_file(struct strbuf *sb, const char *path, size_t hint);
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extern int strbuf_readlink(struct strbuf *sb, const char *path, size_t hint);
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extern int strbuf_getwholeline(struct strbuf *, FILE *, int);
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extern int strbuf_getline(struct strbuf *, FILE *, int);
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extern int strbuf_getwholeline_fd(struct strbuf *, int, int);
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extern void stripspace(struct strbuf *buf, int skip_comments);
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extern int launch_editor(const char *path, struct strbuf *buffer, const char *const *env);
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extern int strbuf_branchname(struct strbuf *sb, const char *name);
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extern int strbuf_check_branch_ref(struct strbuf *sb, const char *name);
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extern void strbuf_addstr_urlencode(struct strbuf *, const char *,
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int reserved);
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extern void strbuf_humanise_bytes(struct strbuf *buf, off_t bytes);
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__attribute__((format (printf,1,2)))
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extern int printf_ln(const char *fmt, ...);
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__attribute__((format (printf,2,3)))
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extern int fprintf_ln(FILE *fp, const char *fmt, ...);
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#endif /* STRBUF_H */
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