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document parent_path()

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git-svn-id: https://svn.musicpd.org/mpd/trunk@7128 09075e82-0dd4-0310-85a5-a0d7c8717e4f
This commit is contained in:
Eric Wong
2008-01-03 07:22:18 +00:00
parent b70912031d
commit b1cdf8dadf
2 changed files with 20 additions and 3 deletions
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10
src/path.c
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@@ -225,13 +225,23 @@ void pathcpy_trunc(char *dest, const char *src)
char *parent_path(char *path_max_tmp, const char *path)
{
char *c;
static const int handle_trailing_slashes = 0;
pathcpy_trunc(path_max_tmp, path);
if (handle_trailing_slashes) {
size_t last_char = strlen(path_max_tmp) - 1;
while (last_char > 0 && path_max_tmp[last_char] == '/')
path_max_tmp[last_char--] = '\0';
}
c = strrchr(path_max_tmp,'/');
if (c == NULL)
path_max_tmp[0] = '\0';
else {
/* strip redundant slashes: */
while ((path_max_tmp <= c) && *(--c) == '/') /* nothing */
;
c[1] = '\0';