GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+/*
+ * 
+ */
+
+#ifndef SECUREC_FOR_WCHAR
+#define SECUREC_FOR_WCHAR
+#endif
+
+#include "secinput.h"
+
+/*
+ * <FUNCTION DESCRIPTION>
+ *    The  vfwscanf_s  function  is  the  wide-character  equivalent  of the vfscanf_s function
+ *    The vfwscanf_s function reads data from the current position of stream into
+ *    the locations given by argument (if any). Each argument must be a pointer
+ *    to a variable of a type that corresponds to a type specifier in format.
+ *    format controls the interpretation of the input fields and has the same form
+ *    and function as the format argument for scanf.
+ *
+ * <INPUT PARAMETERS>
+ *    stream               Pointer to FILE structure.
+ *    format               Format control string, see Format Specifications.
+ *    argList              pointer to list of arguments
+ *
+ * <OUTPUT PARAMETERS>
+ *    argList              the converted value stored in user assigned address
+ *
+ * <RETURN VALUE>
+ *    Each of these functions returns the number of fields successfully converted
+ *    and assigned; the return value does not include fields that were read but
+ *    not assigned. A return value of 0 indicates that no fields were assigned.
+ *    return -1 if an error occurs.
+ */
+int vfwscanf_s(FILE *stream, const wchar_t *format, va_list argList)
+{
+    int retVal; /* If initialization causes  e838 */
+    SecFileStream fStr;
+
+    if (stream == NULL || format == NULL) {
+        SECUREC_ERROR_INVALID_PARAMTER("vfwscanf_s");
+        return SECUREC_SCANF_EINVAL;
+    }
+    if (stream == SECUREC_STREAM_STDIN) {
+        return vwscanf_s(format, argList);
+    }
+
+    SECUREC_LOCK_FILE(stream);
+    SECUREC_FILE_STREAM_FROM_FILE(&fStr, stream);
+    retVal = SecInputSW(&fStr, format, argList);
+    SECUREC_UNLOCK_FILE(stream);
+    if (retVal < 0) {
+        SECUREC_ERROR_INVALID_PARAMTER("vfwscanf_s");
+        return SECUREC_SCANF_EINVAL;
+    }
+    return retVal;
+}
+