diff options
Diffstat (limited to 'mdk-stage1/dietlibc/libshell/dirname.c')
-rw-r--r-- | mdk-stage1/dietlibc/libshell/dirname.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/libshell/dirname.c b/mdk-stage1/dietlibc/libshell/dirname.c new file mode 100644 index 000000000..d35e6ea62 --- /dev/null +++ b/mdk-stage1/dietlibc/libshell/dirname.c @@ -0,0 +1,25 @@ +#include <string.h> +#include <libgen.h> + +/* + path dirname basename + "/usr/lib" "/usr" "lib" + "/usr/" "/" "usr" + "usr" "." "usr" + "/" "/" "/" + "." "." "." + ".." "." ".." +*/ + +char *dirname(char *path) { + char *c; +again: + if (!(c=strrchr(path,'/'))) return "."; + while (c[1]==0) { /* remove trailing slashes */ + if (c==path) return c; /* unless path=='/' */ + *c=0; + if (*--c!='/') break; + } + if (*c=='/') { if (c!=path) *c=0; return path; } + goto again; +} |