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strbuf: add strbuf_getcwd()

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Add strbuf_getcwd(), which puts the current working directory into a
strbuf.  Because it doesn't use a fixed-size buffer it supports
arbitrarily long paths, provided the platform's getcwd() does as well.
At least on Linux and FreeBSD it handles paths longer than PATH_MAX
just fine.

Suggested-by: Karsten Blees <karsten.blees@gmail.com>
Helped-by: Duy Nguyen <pclouds@gmail.com>
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe
2014-07-28 20:24:29 +02:00
committed by Junio C Hamano
parent ebc5da3208
commit f22a76e911
3 changed files with 26 additions and 0 deletions
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strbuf.h
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@ -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);