1 files changed, 63 insertions, 0 deletions
diff --git a/deps/sysobj_early/src/appf.c b/deps/sysobj_early/src/appf.c
new file mode 100644
index 00000000..8e6991e3
--- /dev/null
+++ b/deps/sysobj_early/src/appf.c
@@ -0,0 +1,63 @@
+/*
+ * sysobj - https://github.com/bp0/verbose-spork
+ * Copyright (C) 2018  Burt P. <pburt0@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ */
+
+#define _GNU_SOURCE /* for vasprintf() */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include "appf.h"
+
+char *appf(char *str, const char *sep, const char *fmt, ...) {
+    char *buf = NULL;
+    int inlen, seplen, len;
+    va_list args;
+    va_start(args, fmt);
+    len = vasprintf(&buf, fmt, args);
+    va_end(args);
+    if (len < 0) return str;
+    if (!str) return buf;
+    inlen = strlen(str);
+    seplen = (inlen && sep) ? strlen(sep) : 0;
+    str = realloc(str, inlen + seplen + len + 1);
+    if (seplen) strcpy(str + inlen, sep);
+    strcpy(str + inlen + seplen, buf);
+    free(buf);
+    return str;
+}
+
+char *appfdup(const char *str, const char *sep, const char *fmt, ...) {
+    char *buf = NULL, *ret = NULL;
+    int inlen, seplen, len;
+    va_list args;
+    va_start(args, fmt);
+    len = vasprintf(&buf, fmt, args);
+    va_end(args);
+    if (len < 0) return NULL;
+    if (!str) return buf;
+    inlen = strlen(str);
+    seplen = (inlen && sep) ? strlen(sep) : 0;
+    ret = malloc(inlen + seplen + len + 1);
+    strcpy(ret, str);
+    if (seplen) strcpy(ret + inlen, sep);
+    strcpy(ret + inlen + seplen, buf);
+    free(buf);
+    return ret;
+}