Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers...

[reactos.git] / sdk / tools / mkisofs / schilytools / libschily / jssnprintf.c

diff --git a/sdk/tools/mkisofs/schilytools/libschily/jssnprintf.c b/sdk/tools/mkisofs/schilytools/libschily/jssnprintf.c
new file mode 100644 (file)
index 0000000..0834b0b
--- /dev/null
+++ b/sdk/tools/mkisofs/schilytools/libschily/jssnprintf.c
@@ -0,0 +1,89 @@
+/* @(#)jssnprintf.c    1.14 17/08/03 Copyright 1985, 1995-2017 J. Schilling */
+/*
+ *     Copyright (c) 1985, 1995-2017 J. Schilling
+ */
+/*
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * See the file CDDL.Schily.txt in this distribution for details.
+ * A copy of the CDDL is also available via the Internet at
+ * http://www.opensource.org/licenses/cddl1.txt
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file CDDL.Schily.txt from this distribution.
+ */
+
+#include <schily/mconfig.h>
+#include <schily/unistd.h>     /* include <sys/types.h> try to get size_t */
+#include <schily/stdio.h>      /* Try again for size_t */
+#include <schily/stdlib.h>     /* Try again for size_t */
+#include <schily/varargs.h>
+#include <schily/standard.h>
+#include <schily/schily.h>
+
+EXPORT int js_snprintf __PR((char *, size_t maxcnt, const char *, ...));
+
+typedef struct {
+       char    *ptr;
+       int     count;
+} *BUF, _BUF;
+
+#ifdef PROTOTYPES
+static void
+_cput(char c, void *l)
+#else
+static void
+_cput(c, l)
+       char    c;
+       void    *l;
+#endif
+{
+       register BUF    bp = (BUF)l;
+
+       if (--bp->count > 0) {
+               *bp->ptr++ = c;
+       } else {
+               /*
+                * Make sure that there will never be a negative overflow.
+                */
+               bp->count++;
+       }
+}
+
+/* VARARGS2 */
+#ifdef PROTOTYPES
+EXPORT int
+js_snprintf(char *buf, size_t maxcnt, const char *form, ...)
+#else
+EXPORT int
+js_snprintf(buf, maxcnt, form, va_alist)
+       char    *buf;
+       unsigned maxcnt;
+       char    *form;
+       va_dcl
+#endif
+{
+       va_list args;
+       int     cnt;
+       _BUF    bb;
+
+       bb.ptr = buf;
+       bb.count = maxcnt;
+
+#ifdef PROTOTYPES
+       va_start(args, form);
+#else
+       va_start(args);
+#endif
+       cnt = format(_cput, &bb, form,  args);
+       va_end(args);
+       if (maxcnt > 0)
+               *(bb.ptr) = '\0';
+       if (bb.count < 0)
+               return (-1);
+
+       return (cnt);
+}