diff options
Diffstat (limited to 'strbuf.c')
| -rw-r--r-- | strbuf.c | 53 |
1 files changed, 53 insertions, 0 deletions
@@ -204,6 +204,13 @@ void strbuf_adddup(struct strbuf *sb, size_t pos, size_t len) strbuf_setlen(sb, sb->len + len); } +void strbuf_addchars(struct strbuf *sb, int c, size_t n) +{ + strbuf_grow(sb, n); + memset(sb->buf + sb->len, c, n); + strbuf_setlen(sb, sb->len + n); +} + void strbuf_addf(struct strbuf *sb, const char *fmt, ...) { va_list ap; @@ -406,6 +413,27 @@ int strbuf_readlink(struct strbuf *sb, const char *path, size_t hint) return -1; } +int strbuf_getcwd(struct strbuf *sb) +{ + size_t oldalloc = sb->alloc; + size_t guessed_len = 128; + + for (;; guessed_len *= 2) { + strbuf_grow(sb, guessed_len); + if (getcwd(sb->buf, sb->alloc)) { + strbuf_setlen(sb, strlen(sb->buf)); + return 0; + } + if (errno != ERANGE) + break; + } + if (oldalloc == 0) + strbuf_release(sb); + else + strbuf_reset(sb); + return -1; +} + int strbuf_getwholeline(struct strbuf *sb, FILE *fp, int term) { int ch; @@ -555,6 +583,31 @@ void strbuf_humanise_bytes(struct strbuf *buf, off_t bytes) } } +void strbuf_add_absolute_path(struct strbuf *sb, const char *path) +{ + if (!*path) + die("The empty string is not a valid path"); + if (!is_absolute_path(path)) { + struct stat cwd_stat, pwd_stat; + size_t orig_len = sb->len; + char *cwd = xgetcwd(); + char *pwd = getenv("PWD"); + if (pwd && strcmp(pwd, cwd) && + !stat(cwd, &cwd_stat) && + (cwd_stat.st_dev || cwd_stat.st_ino) && + !stat(pwd, &pwd_stat) && + pwd_stat.st_dev == cwd_stat.st_dev && + pwd_stat.st_ino == cwd_stat.st_ino) + strbuf_addstr(sb, pwd); + else + strbuf_addstr(sb, cwd); + if (sb->len > orig_len && !is_dir_sep(sb->buf[sb->len - 1])) + strbuf_addch(sb, '/'); + free(cwd); + } + strbuf_addstr(sb, path); +} + int printf_ln(const char *fmt, ...) { int ret; |