gitweb: unify boolean feature subroutines

diff --git a/strbuf.h b/strbuf.h
index 5657e3db1401dda1eea7d8be2bd36ec36502b187..b1670d99456e96b5de01918e157e10df519cae13 100644 (file)
--- a/strbuf.h
+++ b/strbuf.h
@@ -10,8 +10,7 @@
  * 1. the ->buf member is always malloc-ed, hence strbuf's can be used to
  *    build complex strings/buffers whose final size isn't easily known.
  *
- *    It is legal to copy the ->buf pointer away. Though if you want to reuse
- *    the strbuf after that, setting ->buf to NULL isn't legal.
+ *    It is NOT legal to copy the ->buf pointer away.
  *    `strbuf_detach' is the operation that detachs a buffer from its shell
  *    while keeping the shell valid wrt its invariants.
  *
@@ -24,12 +23,12 @@
  *    that way:
  *
  *    strbuf_grow(sb, SOME_SIZE);
- *    // ... here the memory areay starting at sb->buf, and of length
- *    // sb_avail(sb) is all yours, and you are sure that sb_avail(sb) is at
- *    // least SOME_SIZE
+ *       ... Here, the memory array starting at sb->buf, and of length
+ *       ... strbuf_avail(sb) is all yours, and you are sure that
+ *       ... strbuf_avail(sb) is at least SOME_SIZE.
  *    strbuf_setlen(sb, sb->len + SOME_OTHER_SIZE);
  *
- *    Of course, SOME_OTHER_SIZE must be smaller or equal to sb_avail(sb).
+ *    Of course, SOME_OTHER_SIZE must be smaller or equal to strbuf_avail(sb).
  *
  *    Doing so is safe, though if it has to be done in many places, adding the
  *    missing API to the strbuf module is the way to go.
@@ -41,19 +40,19 @@
 
 #include <assert.h>
 
+extern char strbuf_slopbuf[];
 struct strbuf {
        size_t alloc;
        size_t len;
        char *buf;
 };
 
-#define STRBUF_INIT  { 0, 0, NULL }
+#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 void strbuf_reset(struct strbuf *);
-extern char *strbuf_detach(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;
@@ -62,7 +61,7 @@ static inline void strbuf_swap(struct strbuf *a, struct strbuf *b) {
 }
 
 /*----- strbuf size related -----*/
-static inline size_t strbuf_avail(struct strbuf *sb) {
+static inline size_t strbuf_avail(const struct strbuf *sb) {
        return sb->alloc ? sb->alloc - sb->len - 1 : 0;
 }
 
@@ -75,10 +74,17 @@ static inline void strbuf_setlen(struct strbuf *sb, size_t len) {
        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 int strbuf_cmp(struct strbuf *, struct strbuf *);
+extern void strbuf_ltrim(struct strbuf *);
+extern int strbuf_cmp(const struct strbuf *, const struct strbuf *);
+extern void strbuf_tolower(struct strbuf *);
+
+extern struct strbuf **strbuf_split(const struct strbuf *, int delim);
+extern void strbuf_list_free(struct strbuf **);
 
 /*----- add data in your buffer -----*/
 static inline void strbuf_addch(struct strbuf *sb, int c) {
@@ -98,9 +104,18 @@ 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, struct strbuf *sb2) {
+static inline void strbuf_addbuf(struct strbuf *sb, const struct strbuf *sb2) {
        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);
 
 __attribute__((format(printf,2,3)))
 extern void strbuf_addf(struct strbuf *sb, const char *fmt, ...);
@@ -108,10 +123,11 @@ extern void strbuf_addf(struct strbuf *sb, const char *fmt, ...);
 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);
+extern int strbuf_read_file(struct strbuf *sb, const char *path, size_t hint);
 
 extern int strbuf_getline(struct strbuf *, FILE *, int);
 
 extern void stripspace(struct strbuf *buf, int skip_comments);
+extern int launch_editor(const char *path, struct strbuf *buffer, const char *const *env);
 
 #endif /* STRBUF_H */