diff options
| -rw-r--r-- | Documentation/technical/api-strbuf.txt | 4 | ||||
| -rw-r--r-- | strbuf.c | 21 | ||||
| -rw-r--r-- | strbuf.h | 1 |
3 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/technical/api-strbuf.txt b/Documentation/technical/api-strbuf.txt index 3350d97dda..834c406b3b 100644 --- a/Documentation/technical/api-strbuf.txt +++ b/Documentation/technical/api-strbuf.txt @@ -289,6 +289,10 @@ same behaviour as well. use it unless you need the correct position in the file descriptor. +`strbuf_getcwd`:: + + Set the buffer to the path of the current working directory. + `stripspace`:: Strip whitespace from a buffer. The second parameter controls if @@ -398,6 +398,27 @@ 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; @@ -163,6 +163,7 @@ extern size_t strbuf_fread(struct strbuf *, size_t, FILE *); 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); |