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Diffstat (limited to 'newlib/libc/argz/argz_next.c')
-rw-r--r--newlib/libc/argz/argz_next.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/newlib/libc/argz/argz_next.c b/newlib/libc/argz/argz_next.c
new file mode 100644
index 000000000..79da8473e
--- /dev/null
+++ b/newlib/libc/argz/argz_next.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software
+ * is freely granted, provided that this notice is preserved.
+ */
+
+#include <errno.h>
+#include <sys/types.h>
+#include <string.h>
+#include <stdlib.h>
+
+char *
+argz_next (char *argz, size_t argz_len, const char *entry)
+{
+ if (entry)
+ {
+ while(*entry != '\0')
+ entry++;
+ entry++;
+
+ if (entry >= argz + argz_len)
+ return NULL;
+ else
+ return (char *) entry;
+ }
+ else
+ {
+ if (argz_len > 0)
+ return (char *) argz;
+ else
+ return NULL;
+ }
+}