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compat/basename: make basename() conform to POSIX
According to POSIX, basename("/path/") should return "path", not "path/". Likewise, basename(NULL) and basename("") should both return "." to conform. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -4,10 +4,24 @@
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char *gitbasename (char *path)
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{
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const char *base;
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skip_dos_drive_prefix(&path);
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if (path)
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skip_dos_drive_prefix(&path);
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if (!path || !*path)
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return ".";
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for (base = path; *path; path++) {
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if (is_dir_sep(*path))
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base = path + 1;
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if (!is_dir_sep(*path))
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continue;
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do {
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path++;
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} while (is_dir_sep(*path));
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if (*path)
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base = path;
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else
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while (--path != base && is_dir_sep(*path))
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*path = '\0';
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}
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return (char *)base;
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}
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