181 lines
5.3 KiB
C
181 lines
5.3 KiB
C
/*
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* Copyright (c) Huawei Technologies Co., Ltd. 2014-2018. All rights reserved.
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* Description: Define macro, data struct, and declare function prototype,
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* which is used by input.inl, secureinput_a.c and secureinput_w.c.
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* Author: Hisilicon
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* Create: 2014-02-25
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*/
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#ifndef SEC_INPUT_H_E950DA2C_902F_4B15_BECD_948E99090D9C
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#define SEC_INPUT_H_E950DA2C_902F_4B15_BECD_948E99090D9C
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#include "securecutil.h"
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#define SECUREC_SCANF_EINVAL (-1)
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#define SECUREC_SCANF_ERROR_PARA (-2)
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/* For internal stream flag */
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#define SECUREC_MEM_STR_FLAG 0X01
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#define SECUREC_FILE_STREAM_FLAG 0X02
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#define SECUREC_PIPE_STREAM_FLAG 0X04
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#define SECUREC_LOAD_FILE_TO_MEM_FLAG 0X08
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#define SECUREC_BOM_HEADER_SIZE 2
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#define SECUREC_BOM_HEADER_BE_1ST 0xFEU
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#define SECUREC_BOM_HEADER_BE_2ST 0xFFU
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#define SECUREC_BOM_HEADER_LE_1ST 0xFFU
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#define SECUREC_BOM_HEADER_LE_2ST 0xFEU
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#define SECUREC_UTF8_BOM_HEADER_SIZE 3
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#define SECUREC_UTF8_BOM_HEADER_1ST 0xEFU
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#define SECUREC_UTF8_BOM_HEADER_2ND 0xBBU
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#define SECUREC_UTF8_BOM_HEADER_3RD 0xBFU
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#define SECUREC_UTF8_LEAD_1ST 0xE0
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#define SECUREC_UTF8_LEAD_2ND 0x80
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typedef struct {
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unsigned int flag; /* Mark the properties of input stream */
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int count; /* The size of buffered string in bytes */
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const char *cur; /* The pointer to next read position */
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char *base; /* The pointer to the header of buffered string */
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#if SECUREC_ENABLE_SCANF_FILE
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FILE *pf; /* The file pointer */
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long oriFilePos; /* The original position of file offset when fscanf is called */
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int fileRealRead;
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#ifdef SECUREC_NO_STD_UNGETC
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unsigned int lastChar; /* The char code of last input */
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int fUnGet; /* The boolean flag of pushing a char back to read stream */
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#endif
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#endif
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} SecFileStream;
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#ifdef SECUREC_INLINE_INIT_FILE_STREAM_STR
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/*
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* This initialization for eliminating redundant initialization.
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*/
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SECUREC_INLINE void SecInitFileStreamFromString(SecFileStream *stream, const char *cur, int count)
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{
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stream->flag = SECUREC_MEM_STR_FLAG;
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stream->count = count;
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stream->cur = cur;
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stream->base = NULL;
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#if SECUREC_ENABLE_SCANF_FILE
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stream->pf = NULL;
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stream->oriFilePos = 0;
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stream->fileRealRead = 0;
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#ifdef SECUREC_NO_STD_UNGETC
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stream->lastChar = 0;
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stream->fUnGet = 0;
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#endif
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#endif
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}
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#endif
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#ifdef SECUREC_INLINE_INIT_FILE_STREAM_STDIN
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/*
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* This initialization for eliminating redundant initialization.
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*/
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SECUREC_INLINE void SecInitFileStreamFromStdin(SecFileStream *stream)
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{
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stream->flag = SECUREC_PIPE_STREAM_FLAG;
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stream->count = 0;
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stream->cur = NULL;
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stream->base = NULL;
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#if SECUREC_ENABLE_SCANF_FILE
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stream->pf = SECUREC_STREAM_STDIN;
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stream->oriFilePos = 0;
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stream->fileRealRead = 0;
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#ifdef SECUREC_NO_STD_UNGETC
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stream->lastChar = 0;
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stream->fUnGet = 0;
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#endif
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#endif
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}
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#endif
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#ifdef SECUREC_INLINE_INIT_FILE_STREAM_FILE
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/*
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* This initialization for eliminating redundant initialization.
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* Compared with the previous version initialization 0,
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* the current code causes the binary size to increase by some bytes
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*/
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SECUREC_INLINE void SecInitFileStreamFromFile(SecFileStream *stream, FILE *file)
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{
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stream->flag = SECUREC_FILE_STREAM_FLAG;
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stream->count = 0;
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stream->cur = NULL;
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stream->base = NULL;
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#if SECUREC_ENABLE_SCANF_FILE
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stream->pf = file;
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stream->oriFilePos = 0;
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stream->fileRealRead = 0;
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#ifdef SECUREC_NO_STD_UNGETC
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stream->lastChar = 0;
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stream->fUnGet = 0;
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#endif
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#endif
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}
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int SecInputS(SecFileStream *stream, const char *cFormat, va_list argList);
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extern void SecClearDestBuf(const char *buffer, const char *format, va_list argList);
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#if SECUREC_IN_KERNEL == 0
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extern int SecInputSW(SecFileStream *stream, const wchar_t *cFormat, va_list argList);
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extern void SecClearDestBufW(const wchar_t *buffer, const wchar_t *format, va_list argList);
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#endif
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/* 20150105 For software and hardware decoupling,such as UMG */
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#if defined(SECUREC_SYSAPI4VXWORKS)
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#ifdef feof
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#undef feof
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#endif
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extern int feof(FILE *stream);
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#endif
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#if defined(SECUREC_SYSAPI4VXWORKS) || defined(SECUREC_CTYPE_MACRO_ADAPT)
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#ifndef isspace
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#define isspace(c) (((c) == ' ') || ((c) == '\t') || ((c) == '\r') || ((c) == '\n'))
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#endif
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#ifndef iswspace
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#define iswspace(c) (((c) == L' ') || ((c) == L'\t') || ((c) == L'\r') || ((c) == L'\n'))
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#endif
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#ifndef isascii
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#define isascii(c) (((unsigned char)(c)) <= 0x7f)
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#endif
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#ifndef isupper
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#define isupper(c) ((c) >= 'A' && (c) <= 'Z')
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#endif
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#ifndef islower
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#define islower(c) ((c) >= 'a' && (c) <= 'z')
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#endif
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#ifndef isalpha
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#define isalpha(c) (isupper(c) || (islower(c)))
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#endif
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#ifndef isdigit
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#define isdigit(c) ((c) >= '0' && (c) <= '9')
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#endif
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#ifndef isxupper
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#define isxupper(c) ((c) >= 'A' && (c) <= 'F')
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#endif
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#ifndef isxlower
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#define isxlower(c) ((c) >= 'a' && (c) <= 'f')
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#endif
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#ifndef isxdigit
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#define isxdigit(c) (isdigit(c) || isxupper(c) || isxlower(c))
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#endif
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#endif
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#ifdef __cplusplus
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}
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#endif
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/* Reserved file operation macro interface */
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#define SECUREC_LOCK_FILE(s)
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#define SECUREC_UNLOCK_FILE(s)
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#define SECUREC_LOCK_STDIN(i, s)
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#define SECUREC_UNLOCK_STDIN(i, s)
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#endif
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