dump.c

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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <glib.h>
#include <lldp.h>
#include <server_dump.h>


//const gboolean is_all_ascii(const void*, const void *);
//void dump_mem(const void *, const void *);

WINEXPORT gboolean
is_all_ascii(const void* vmem, const void* vend)
{
        const guchar*   mem = vmem;
        const guchar*   end = vend;
        int     len = end - mem;
        if (len == 0) {
                return FALSE;
        }
        for (; mem < end; ++mem) {
                const guchar*   uc = mem;
                if (isspace(*uc) || (isascii(*uc) && !iscntrl(*uc)) || (mem == end-1 && *uc == 0x00 && len > 1)) {
                        continue;
                }
                return FALSE;
        }
        if (len == 1) {
                --mem;
                fprintf(stderr, "STRING WITH 1 CHAR 0x%02x is ASCII\n", *((const unsigned char *)mem));
        }
        return TRUE;
}

void
dump_mem(const void* vstart, const void* vend)
{
        const guchar*   start = vstart;
        const guchar*   end = vend;
        const guchar*   vp;

        if (is_all_ascii(start, end)) {
                fprintf(stdout, "{\"");
                while (start < end) {
                        char  startchar = *((const char *)start);
                        ++start;
                        if (startchar == 0x00) {
                                break;
                        }
                        fprintf(stdout, "%c", startchar);
                }
                fprintf(stdout, "\"}");
                fflush(stdout);
                return;
        }
        fprintf(stdout, "{");
        for (vp=start; vp < (const guchar*)end; ++vp) {
                fprintf(stdout, "%s0x%02x"
                ,       vp == start ? "" : ", "
                ,       (unsigned)(*vp));
                
        }
        fprintf(stdout, "}");
}