mirror of
https://github.com/XaverKlemenschits/jupyter-c-kernel.git
synced 2025-04-14 18:36:10 +00:00
bddb7ca6b0
* Wrap input and file output functions for a read only static server. * Added -y to docker apt-get in docker file. * wError/wAll as options in Kernel, defaults only to wAll.
64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
#ifndef STDIO_WRAP_H
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#define STDIO_WRAP_H
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#include <stdio.h>
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#include <stdarg.h>
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/* Define the functions to overload the old ones */
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int scanf_wrap(const char *format, ...) {
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printf("<inputRequest>");
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fflush(stdout);
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va_list arglist;
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va_start( arglist, format );
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int result = vscanf( format, arglist );
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va_end( arglist );
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return result;
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}
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int getchar_wrap(){
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printf("<inputRequest>");
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fflush(stdout);
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return getchar();
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}
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/* Replace all the necessary input functions
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Need double hashes in case there are no __VA_ARGS__*/
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#define scanf(format, ...) scanf_wrap(format, ##__VA_ARGS__)
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#define getchar() getchar_wrap()
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/* Replace FILE write operations for read-only systems */
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#ifdef READ_ONLY_FILE_SYSTEM
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/* Define wrapping functions */
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/* Output that the fopen succeeded and return some valid pointer */
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FILE *fopen_wrap(const char *filename, const char *modes) {
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static long stream = 0x1FFFF0000;
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#ifdef SHOW_FILE_IO_VERBOSE
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printf("\x01b[42m");
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printf("\"%s\" opened in mode \"%s\"\n", filename, modes);
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printf("\x01b[0m");
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#endif /* SHOW_FILE_IO_VERBOSE */
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return (FILE*)stream++;
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}
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int fprintf_wrap(FILE* stream, const char* format, ...) {
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printf("\x01b[42m");
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printf("%p:", stream);
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printf("\x01b[0m");
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va_list arglist;
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va_start( arglist, format );
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int result = vprintf(format, arglist);
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va_end( arglist );
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return result;
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}
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/* Replace all the necessary input functions */
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#define fopen(file, mode) fopen_wrap(file, mode)
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#define fprintf(stream, format, ...) fprintf_wrap(stream, format, ##__VA_ARGS__)
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#endif /* READ_ONLY_FILE_SYSTEM */
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#endif /* STDIO_WRAP_H */
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