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

source/bootloader/u-boot-2020.01/lotus/securec/secureprintoutput_a.c

@@ -0,0 +1,163 @@
+/*
+ * 
+ */
+
+#define SECUREC_FORMAT_OUTPUT_INPUT 1
+
+#ifdef SECUREC_FOR_WCHAR
+#undef SECUREC_FOR_WCHAR
+#endif
+
+#include <vsprintf.h>
+#include "secureprintoutput.h"
+#if SECUREC_WARP_OUTPUT
+#define SECUREC_FORMAT_FLAG_TABLE_SIZE 128
+SECUREC_INLINE const char *SecSkipKnownFlags(const char *format)
+{
+    static const unsigned char flagTable[SECUREC_FORMAT_FLAG_TABLE_SIZE] = {
+        /*
+         * Known flag is  "0123456789 +-#hlLwZzjqt*I$"
+         */
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x01, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x01, 0x00, 0x00,
+        0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00,
+        0x00, 0x01, 0x00, 0x00, 0x01, 0x00, 0x00, 0x01, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00
+    };
+    const char *fmt = format;
+    while (*fmt != '\0') {
+        char fmtChar = *fmt;
+        if ((unsigned char)fmtChar > 0x7f) { /* 0x7f is upper limit of format char value */
+            break;
+        }
+        if (flagTable[(unsigned char)fmtChar] == 0) {
+            break;
+        }
+        ++fmt;
+    }
+    return fmt;
+}
+
+SECUREC_INLINE int SecFormatContainN(const char *format)
+{
+    const char *fmt = format;
+    while (*fmt != '\0') {
+        ++fmt;
+        /* Skip normal char */
+        if (*(fmt - 1) != '%') {
+            continue;
+        }
+        /* Meet %% */
+        if (*fmt == '%') {
+            ++fmt; /* Point to  the character after the %. Correct handling %%xx */
+            continue;
+        }
+        /* Now parse %..., fmt point to the character after the % */
+        fmt = SecSkipKnownFlags(fmt);
+        if (*fmt == 'n') {
+            return 1;
+        }
+    }
+    return 0;
+}
+/*
+ * Multi character formatted output implementation, the count include \0 character, must be greater than zero
+ */
+int SecVsnprintfImpl(char *string, size_t count, const char *format, va_list argList)
+{
+    int retVal;
+    if (SecFormatContainN(format) != 0) {
+        string[0] = '\0';
+        return -1;
+    }
+    retVal = vsnprintf(string, count, format, argList);
+    if (retVal >= (int)count) { /* The size_t to int is ok, count max is SECUREC_STRING_MAX_LEN */
+        /* The buffer was too small; we return truncation */
+        string[count - 1] = '\0';
+        return SECUREC_PRINTF_TRUNCATE;
+    }
+    if (retVal < 0) {
+        string[0] = '\0'; /* Empty the dest strDest */
+        return -1;
+    }
+    return retVal;
+}
+#else
+#if SECUREC_IN_KERNEL
+#include <linux/ctype.h>
+#endif
+
+#ifndef EOF
+#define EOF (-1)
+#endif
+
+#include "output.inl"
+
+/*
+ * Multi character formatted output implementation
+ */
+int SecVsnprintfImpl(char *string, size_t count, const char *format, va_list argList)
+{
+    SecPrintfStream str;
+    int retVal;
+
+    str.count = (int)count; /* The count include \0 character, must be greater than zero */
+    str.cur = string;
+
+    retVal = SecOutputS(&str, format, argList);
+    if (retVal >= 0) {
+        if (SecPutZeroChar(&str) == 0) {
+            return retVal;
+        }
+    }
+    if (str.count < 0) {
+        /* The buffer was too small, then truncate */
+        string[count - 1] = '\0';
+        return SECUREC_PRINTF_TRUNCATE;
+    }
+    string[0] = '\0'; /* Empty the dest string */
+    return -1;
+}
+
+/*
+ * Write a wide character
+ */
+SECUREC_INLINE void SecWriteMultiChar(char ch, int num, SecPrintfStream *f, int *pnumwritten)
+{
+    int count;
+    for (count = num; count > 0; --count) {
+        --f->count; /* f -> count may be negative,indicating insufficient space */
+        if (f->count < 0) {
+            *pnumwritten = -1;
+            return;
+        }
+        *(f->cur) = ch;
+        ++f->cur;
+        *pnumwritten = *pnumwritten + 1;
+    }
+}
+
+/*
+ * Write string function, where this function is called, make sure that len is greater than 0
+ */
+SECUREC_INLINE void SecWriteString(const char *string, int len, SecPrintfStream *f, int *pnumwritten)
+{
+    const char *str = string;
+    int count;
+    for (count = len; count > 0; --count) {
+        --f->count; /* f -> count may be negative,indicating insufficient space */
+        if (f->count < 0) {
+            *pnumwritten = -1;
+            return;
+        }
+        *(f->cur) = *str;
+        ++f->cur;
+        ++str;
+    }
+    *pnumwritten = *pnumwritten + (int)(size_t)(str - string);
+}
+#endif
+