libmount: cleanup mangle() usage

Signed-off-by: Karel Zak <kzak@redhat.com>

4 files changed, 14 insertions, 17 deletions

diff --git a/include/mangle.h b/include/mangle.h
index 76d29bfae..158d07820 100644
--- a/include/mangle.h
+++ b/include/mangle.h
@@ -8,7 +8,7 @@
 extern char *mangle(const char *s);
 
 extern void unmangle_to_buffer(const char *s, char *buf, size_t len);
-extern char *unmangle(const char *s, const char **end);
+extern char *unmangle(const char *s, char **end);
 
 static inline void unmangle_string(char *s)
 {
diff --git a/lib/mangle.c b/lib/mangle.c
index 398323a37..17ca80951 100644
--- a/lib/mangle.c
+++ b/lib/mangle.c
@@ -69,20 +69,20 @@ void unmangle_to_buffer(const char *s, char *buf, size_t len)
 	*buf = '\0';
 }
 
-static inline const char *skip_nonspaces(const char *s)
+static inline char *skip_nonspaces(const char *s)
 {
 	while (*s && !(*s == ' ' || *s == '\t'))
 		s++;
-	return s;
+	return (char *) s;
 }
 
 /*
  * Returns mallocated buffer or NULL in case of error.
  */
-char *unmangle(const char *s, const char **end)
+char *unmangle(const char *s, char **end)
 {
 	char *buf;
-	const char *e;
+	char *e;
 	size_t sz;
 
 	if (!s)
diff --git a/mount/mount_mntent.c b/mount/mount_mntent.c
index 9e31d12fe..a1e34db02 100644
--- a/mount/mount_mntent.c
+++ b/mount/mount_mntent.c
@@ -27,13 +27,6 @@ skip_spaces(char *s) {
 	return s;
 }
 
-static char *
-skip_nonspaces(char *s) {
-	while (*s && !is_space_or_tab(*s))
-		s++;
-	return s;
-}
-
 /*
  * fstat'ing the file and allocating a buffer holding all of it
  * may be a bad idea: if the file is /proc/mounts, the stat
diff --git a/shlibs/mount/src/tab_parse.c b/shlibs/mount/src/tab_parse.c
index 16fab89d8..d7c27e65f 100644
--- a/shlibs/mount/src/tab_parse.c
+++ b/shlibs/mount/src/tab_parse.c
@@ -182,40 +182,44 @@ static int mnt_parse_utab_line(mnt_fs *fs, const char *s)
 	assert(!fs->target);
 
 	while (p && *p) {
+		char *end = NULL;
+
 		while (*p == ' ') p++;
 		if (!*p)
 			break;
 
 		if (!fs->source && !strncmp(p, "SRC=", 4)) {
-			char *v = unmangle(p + 4, &p);
+			char *v = unmangle(p + 4, &end);
 			if (!v)
 				goto enomem;
 			if (strcmp(v, "none"))
 				__mnt_fs_set_source_ptr(fs, v);
 
 		} else if (!fs->target && !strncmp(p, "TARGET=", 7)) {
-			fs->target = unmangle(p + 7, &p);
+			fs->target = unmangle(p + 7, &end);
 			if (!fs->target)
 				goto enomem;
 
 		} else if (!fs->root && !strncmp(p, "ROOT=", 5)) {
-			fs->root = unmangle(p + 5, &p);
+			fs->root = unmangle(p + 5, &end);
 			if (!fs->root)
 				goto enomem;
 
 		} else if (!fs->bindsrc && !strncmp(p, "BINDSRC=", 8)) {
-			fs->bindsrc = unmangle(p + 8, &p);
+			fs->bindsrc = unmangle(p + 8, &end);
 			if (!fs->bindsrc)
 				goto enomem;
 
 		} else if (!fs->optstr && !strncmp(p, "OPTS=", 5)) {
-			fs->optstr = unmangle(p + 5, &p);
+			fs->optstr = unmangle(p + 5, &end);
 			if (!fs->optstr)
 				goto enomem;
 		} else {
 			/* unknown variable */
 			while (*p && *p != ' ') p++;
 		}
+		if (end)
+			p = end;
 	}
 
 	return 0;