Make it easier to ignore multiple packages.

This makes --ignore and --ignoregroup able to accept multiple
packages/groups by separating each with a comma.

For instance: pacman -Su --ignore kernel26,udev,glibc

This was requested in the comments of FS#8054.

Signed-off-by: Nathan Jones <nathanj@insightbb.com>
Signed-off-by: Dan McGee <dan@archlinux.org>

1 files changed, 34 insertions, 0 deletions

diff --git a/src/pacman/util.c b/src/pacman/util.c
index b91ec131..a0402ab0 100644
--- a/src/pacman/util.c
+++ b/src/pacman/util.c
@@ -293,6 +293,40 @@ char *strreplace(const char *str, const char *needle, const char *replace)
 	return newstr;
 }
 
+/** Splits a string into a list of strings using the chosen character as
+ * a delimiter.
+ *
+ * @param str the string to split
+ * @param splitchar the character to split at
+ *
+ * @return a list containing the duplicated strings
+ */
+alpm_list_t *strsplit(const char *str, const char splitchar)
+{
+	alpm_list_t *list = NULL;
+	const char *prev = str;
+	char *dup = NULL;
+
+	while((str = strchr(str, splitchar))) {
+		dup = strndup(prev, str - prev);
+		if(dup == NULL) {
+			return(NULL);
+		}
+		list = alpm_list_add(list, dup);
+
+		str++;
+		prev = str;
+	}
+
+	dup = strdup(prev);
+	if(dup == NULL) {
+		return(NULL);
+	}
+	list = alpm_list_add(list, strdup(prev));
+
+	return(list);
+}
+
 void list_display(const char *title, const alpm_list_t *list)
 {
 	const alpm_list_t *i;