diff options
| -rw-r--r-- | compat/basename.c | 44 | ||||
| -rw-r--r-- | git-compat-util.h | 2 |
2 files changed, 46 insertions, 0 deletions
diff --git a/compat/basename.c b/compat/basename.c index 0f1b0b093..96bd9533b 100644 --- a/compat/basename.c +++ b/compat/basename.c @@ -1,4 +1,5 @@ #include "../git-compat-util.h" +#include "../strbuf.h" /* Adapted from libiberty's basename.c. */ char *gitbasename (char *path) @@ -25,3 +26,46 @@ char *gitbasename (char *path) } return (char *)base; } + +char *gitdirname(char *path) +{ + static struct strbuf buf = STRBUF_INIT; + char *p = path, *slash = NULL, c; + int dos_drive_prefix; + + if (!p) + return "."; + + if ((dos_drive_prefix = skip_dos_drive_prefix(&p)) && !*p) + goto dot; + + /* + * POSIX.1-2001 says dirname("/") should return "/", and dirname("//") + * should return "//", but dirname("///") should return "/" again. + */ + if (is_dir_sep(*p)) { + if (!p[1] || (is_dir_sep(p[1]) && !p[2])) + return path; + slash = ++p; + } + while ((c = *(p++))) + if (is_dir_sep(c)) { + char *tentative = p - 1; + + /* POSIX.1-2001 says to ignore trailing slashes */ + while (is_dir_sep(*p)) + p++; + if (*p) + slash = tentative; + } + + if (slash) { + *slash = '\0'; + return path; + } + +dot: + strbuf_reset(&buf); + strbuf_addf(&buf, "%.*s.", dos_drive_prefix, path); + return buf.buf; +} diff --git a/git-compat-util.h b/git-compat-util.h index 38397d7af..1cc6de194 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -253,6 +253,8 @@ struct itimerval { #else #define basename gitbasename extern char *gitbasename(char *); +#define dirname gitdirname +extern char *gitdirname(char *); #endif #ifndef NO_ICONV |