print.h

Go to the documentation of this file.

#pragma once

#include <cstdio>


#define STX_PANIC_EPRINTF_WITH(STX_ARG_BUFFER, STX_ARG_BUFFER_SIZE,   \
                               STX_ARG_FORMAT, STX_ARG_VALUE)         \
  {                                                                   \
    int fmt_size = std::snprintf(STX_ARG_BUFFER, STX_ARG_BUFFER_SIZE, \
                                 STX_ARG_FORMAT, STX_ARG_VALUE);      \
    if (fmt_size >= STX_ARG_BUFFER_SIZE) {                            \
      std::fputs("<format buffer insufficient>", stderr);             \
    } else if (fmt_size < 0) {                                        \
      std::fputs("<format implementation error>", stderr);            \
    } else {                                                          \
      std::fputs(STX_ARG_BUFFER, stderr);                             \
    };                                                                \
  }

#define STX_PANIC_EPRINTF(STX_ARG_STR_SIZE, STX_ARG_FORMAT, STX_ARG_VALUE) \
  {                                                                        \
    /* string length + terminating null character */                       \
    char fmt_buffer[STX_ARG_STR_SIZE + 1];                                 \
    int fmt_size = std::snprintf(fmt_buffer, STX_ARG_STR_SIZE + 1,         \
                                 STX_ARG_FORMAT, STX_ARG_VALUE);           \
    if (fmt_size >= STX_ARG_STR_SIZE) {                                    \
      std::fputs("<format buffer insufficient>", stderr);                  \
    } else if (fmt_size < 0) {                                             \
      std::fputs("<format implementation error>", stderr);                 \
    } else {                                                               \
      std::fputs(fmt_buffer, stderr);                                      \
    };                                                                     \
  }