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-rw-r--r--libbb/read_package_field.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/libbb/read_package_field.c b/libbb/read_package_field.c
new file mode 100644
index 000000000..4ba0bc602
--- /dev/null
+++ b/libbb/read_package_field.c
@@ -0,0 +1,31 @@
+//#include <stdio.h>
+#include <string.h>
+#include "libbb.h"
+
+/*
+ * Returns a [multi-line] package field
+ */
+extern char *read_package_field(const char *package_buffer)
+{
+ char *field = NULL;
+ int field_length = 0;
+ int buffer_length = 0;
+
+ buffer_length = strlen(package_buffer);
+ field = xcalloc(1, buffer_length + 1);
+
+ while ((field = strchr(&package_buffer[field_length], '\n')) != NULL) {
+ field_length = buffer_length - strlen(field);
+ if (package_buffer[field_length + 1] != ' ') {
+ break;
+ } else {
+ field_length++;
+ }
+ }
+ if (field_length == 0) {
+ return(NULL);
+ } else {
+ return(xstrndup(package_buffer, field_length));
+ }
+}
+