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eff7c32cfd
* jk/maint-config-param: config: use strbuf_split_str instead of a temporary strbuf strbuf: allow strbuf_split to work on non-strbufs config: avoid segfault when parsing command-line config config: die on error in command-line config fix "git -c" parsing of values with equals signs strbuf_split: add a max parameter
118 lines
4.1 KiB
C
118 lines
4.1 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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extern struct strbuf **strbuf_split_buf(const char *, size_t,
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int delim, int max);
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static inline struct strbuf **strbuf_split_str(const char *str,
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int delim, int max)
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{
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return strbuf_split_buf(str, strlen(str), delim, max);
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}
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static inline struct strbuf **strbuf_split_max(const struct strbuf *sb,
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int delim, int max)
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{
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return strbuf_split_buf(sb->buf, sb->len, delim, max);
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}
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static inline struct strbuf **strbuf_split(const struct strbuf *sb, int delim)
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{
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return strbuf_split_max(sb, delim, 0);
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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(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,2,0)))
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extern void strbuf_vaddf(struct strbuf *sb, const char *fmt, va_list ap);
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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 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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#endif /* STRBUF_H */
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