mirror of
https://github.com/stefanocasazza/ULib.git
synced 2025-09-28 19:05:55 +08:00
76 lines
1.5 KiB
C
76 lines
1.5 KiB
C
/* crypto_xml.c */
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#include <ulib/base/coder/xml.h>
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#include <stdlib.h>
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#define U_ENCODE 1
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#define U_DECODE 0
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#define U_BUFLEN 8196
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static const char* usage = "Usage: crypto_xml [-d]\n";
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/**
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Encoding to escape and unescape character to valid CDATA characters.
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@code
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& <-> &
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< <-> <
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> <-> >
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" <-> "
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' <-> '
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@endcode
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*/
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static void do_cipher(char* pw, int operation)
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{
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long ebuflen;
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unsigned char buf[U_BUFLEN];
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unsigned char ebuf[U_BUFLEN + 8];
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U_INTERNAL_TRACE("do_cipher(%s,%p)", pw, operation)
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#ifdef __MINGW32__
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(void) setmode(1, O_BINARY);
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#endif
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while (1)
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{
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int readlen = read(STDIN_FILENO, buf, sizeof(buf));
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if (readlen <= 0)
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{
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if (readlen == 0) break;
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else
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{
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perror("read");
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exit(1);
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}
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}
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if (operation == U_ENCODE) ebuflen = u_xml_encode( buf, readlen, ebuf);
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else ebuflen = u_xml_decode((const char* restrict)buf, readlen, ebuf);
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write(STDOUT_FILENO, ebuf, ebuflen);
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}
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}
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int main(int argc, char* argv[])
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{
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u_init_ulib(argv);
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U_INTERNAL_TRACE("main(%d,%p)", argc, argv)
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if (argc == 1) do_cipher(argv[1], U_ENCODE);
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else if (argc == 2 && strcmp(argv[1], "-d") == 0) do_cipher(argv[2], U_DECODE);
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else
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{
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fprintf(stderr, "%s", usage);
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exit(1);
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}
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return 0;
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}
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