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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/SLOF/lib/libc/stdio/vsscanf.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/SLOF/lib/libc/stdio/vsscanf.c')
-rw-r--r--qemu/roms/SLOF/lib/libc/stdio/vsscanf.c131
1 files changed, 131 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/lib/libc/stdio/vsscanf.c b/qemu/roms/SLOF/lib/libc/stdio/vsscanf.c
new file mode 100644
index 000000000..b9603e98b
--- /dev/null
+++ b/qemu/roms/SLOF/lib/libc/stdio/vsscanf.c
@@ -0,0 +1,131 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ * IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#include "stdio.h"
+#include "stdlib.h"
+#include "string.h"
+
+
+static void
+_scanf(const char **buffer, const char *fmt, va_list *ap)
+{
+ int i;
+ int length = 0;
+
+ fmt++;
+
+ while(*fmt != '\0') {
+
+ char tbuf[256];
+
+ switch(*fmt) {
+ case 'd':
+ case 'i':
+ if(length == 0) length = 256;
+
+ for(i = 0; **buffer != ' ' && **buffer != '\t' && **buffer != '\n' && i < length; i++) {
+ tbuf[i] = **buffer;
+ *buffer += 1;
+ }
+ tbuf[i] = '\0';
+
+ *(va_arg(*ap, int *)) = strtol(tbuf, NULL, 10);
+ break;
+ case 'X':
+ case 'x':
+ if(length == 0) length = 256;
+
+ for(i = 0; **buffer != ' ' && **buffer != '\t' && **buffer != '\n' && i < length; i++) {
+ tbuf[i] = **buffer;
+ *buffer += 1;
+ }
+ tbuf[i] = '\0';
+
+ *(va_arg(*ap, int *)) = strtol(tbuf, NULL, 16);
+ break;
+ case 'O':
+ case 'o':
+ if(length == 0) length = 256;
+
+ for(i = 0; **buffer != ' ' && **buffer != '\t' && **buffer != '\n' && i < length; i++) {
+ tbuf[i] = **buffer;
+ *buffer += 1;
+ }
+ tbuf[i] = '\0';
+
+ *(va_arg(*ap, int *)) = strtol(tbuf, NULL, 8);
+ break;
+ case 'c':
+ *(va_arg(*ap, char *)) = **buffer;
+ *buffer += 1;
+ if(length > 1)
+ for(i = 1; i < length; i++)
+ *buffer += 1;
+ break;
+ case 's':
+ if(length == 0) length = 256;
+
+ for(i = 0; **buffer != ' ' && **buffer != '\t' && **buffer != '\n' && i < length; i++) {
+ tbuf[i] = **buffer;
+ *buffer += 1;
+ }
+
+ tbuf[i] = '\0';
+
+ strcpy(va_arg(*ap, char *), tbuf);
+ break;
+ default:
+ if(*fmt >= '0' && *fmt <= '9')
+ length += *fmt - '0';
+ break;
+ }
+ fmt++;
+ }
+
+}
+
+
+int
+vsscanf(const char *buffer, const char *fmt, va_list ap)
+{
+
+ while(*fmt != '\0') {
+
+ if(*fmt == '%') {
+
+ char formstr[20];
+ int i=0;
+
+ do {
+ formstr[i] = *fmt;
+ fmt++;
+ i++;
+ } while(!(*fmt == 'd' || *fmt == 'i' || *fmt == 'x' || *fmt == 'X'
+ || *fmt == 'p' || *fmt == 'c' || *fmt == 's' || *fmt == '%'
+ || *fmt == 'O' || *fmt == 'o' ));
+ formstr[i++] = *fmt;
+ formstr[i] = '\0';
+ if(*fmt != '%') {
+ while(*buffer == ' ' || *buffer == '\t' || *buffer == '\n')
+ buffer++;
+ _scanf(&buffer, formstr, &ap);
+ }
+
+ }
+
+ fmt++;
+
+ }
+
+ return 0;
+}
+