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电梯直达

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发表于 2005-05-23 10:13 |只看该作者 |倒序浏览

因业务需要，需要把HP机器上的文本（ASCII码形式，对应iso81）转化成AIX机器上的文本 ebcd码。\r\n函数据说是用convert(tocode, fromcode, Input)\r\n请问：函数中的Input－－－－指iint 型的nput file descriptor，输入文件描述符。这是啥东东，百思不得其解。\r\n那位高手能给俺个转换程序参考一下，呵呵，感谢。下面这个编译不过去，偶准备推倒重来，叹息。

\r\n#include <iconv.h>;\r\n#include <errno.h>;\r\nchar str[1000],strout[1000];\r\n void main()\r\n {\r\n int fd=1;\r\n ...\r\n printf(\"fopen file succ,put str....\\n\"

;\r\n getchar();\r\n gets(str);\r\n convert(\'iso81\',\'engle\', fd);\r\n ......\r\n }\r\n int convert(tocode, fromcode, Input)\r\n {\r\n /*char *tocode; tocode name */\r\n /* char *fromcode; fromcode name */\r\n /* int Input; input file descriptor */\r\n extern void error(); /* local error message */\r\n iconv_t cd; /* conversion descriptor */\r\n unsigned char *table; /* ptr to translation table */\r\n int bytesread; /* num bytes read into input buffer */\r\n unsigned char inbuf[BUFSIZ]; /* input buffer */\r\n unsigned char *inchar; /* ptr to input character */\r\n int inbytesleft; /* num bytes left in input buffer */\r\n unsigned char outbuf[BUFSIZ]; /* output buffer */\r\n unsigned char *outchar; /* ptr to output character */\r\n int outbytesleft; /* num bytes left in output buffer */\r\n size_t ret_val; /* number of conversions */\r\n\r\n /* 初始化转换，获得转换描述符 */\r\n if ((cd = iconv_open(tocode, fromcode)) == (iconv_t)-1)\r\n {\r\n /*error(FATAL, BAD_OPEN);*/\r\n printf(\"not that code \\n\"

;\r\n }\r\n inbytesleft = 0; /* no. of bytes converted */\r\n /* translate the characters */\r\n for ( ;; )\r\n {\r\n inchar =str; /* points to input buffer */\r\n outchar =strout; /* points to output buffer */\r\n outbytesleft = BUFSIZ; /* no of bytes to be converted */\r\n if ((bytesread = read(Input, inbuf+inbytesleft,\r\n (size_t)BUFSIZ-inbytesleft)) < 0)\r\n {\r\n perror(\"prog\"

;\r\n return BAD;\r\n printf(\"read input file error \\n\"

;\r\n }\r\n if (!(inbytesleft += bytesread))\r\n {\r\n break; /* end of conversions */\r\n }\r\n\r\n ret_val = iconv(cd, &inchar, &inbytesleft,\r\n &outchar, &outbytesleft);\r\n\r\n if (write(1, outbuf, (size_t)BUFSIZ-outbytesleft) < 0)\r\n {\r\n perror(\"prog\"

;\r\n return BAD;\r\n printf(\" write out file error \\n\"

;\r\n }\r\n\r\n if ((ret_val == -1) && (errno == EINVAL))\r\n {\r\n memcpy((char *)inbuf, (char *)inchar,\r\n (size_t)inbytesleft);\r\n printf(\"error 1 \\n\"

;\r\n }\r\n else if ((ret_val == -1) && (errno == EILSEQ))\r\n {\r\n /* error(FATAL, BAD_CONVERSION);*/\r\n printf(\"error 2 \\n\"

;\r\n }\r\n else if ((ret_val == -1) && (errno == E2BIG))\r\n {\r\n memcpy((char *)inbuf, (char *)inchar,\r\n (size_t)inbytesleft);\r\n\r\n (size_t)inbytesleft);\r\n printf(\"error 3 \\n\"

;\r\n }\r\n /* Go back and read from the input file. */\r\n\r\n /* end conversion & get rid of the conversion table */\r\n /* if (iconv_close(cd) == BAD)\r\n printf(\" close error end \\n\"

;*/\r\n return (0);\r\n }\r\n }