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#include "gcin.h"
#include "gtab.h"
typedef struct {
int use_count;
u_char bytes, flag;
} GTAB_USE_CNT;
static char gtab_use_count_file[]="gtab-use-count2";
static FILE *fp_gtab_use_count;
static void init_fp()
{
if (!fp_gtab_use_count) {
char fname[128];
get_gcin_user_fname(gtab_use_count_file, fname);
if (!(fp_gtab_use_count=fopen(fname, "rb+"))) {
if (!(fp_gtab_use_count=fopen(fname, "wb+"))) {
dbg("cannot write to %s\n", fname);
return;
}
}
}
}
void close_gtab_use_count() {
if (!fp_gtab_use_count)
return;
fclose(fp_gtab_use_count);
}
void inc_gtab_use_count(char *s)
{
init_fp();
int bytes = strlen(s);
GTAB_USE_CNT c;
rewind(fp_gtab_use_count);
// dbg("zzz '%s' bytes:%d\n", s, bytes);
// dbg("inc %d\n", ftell(fp_gtab_use_count));
while (!feof(fp_gtab_use_count)) {
char tt[512];
bzero(&c, sizeof(c));
fread(&c, sizeof(c), 1, fp_gtab_use_count);
if (c.bytes != bytes)
continue;
fread(tt, bytes, 1, fp_gtab_use_count);
if (memcmp(tt, s, bytes))
continue;
long ofs = ftell(fp_gtab_use_count);
// dbg("aa %d ofs:%d sz:%d\n", c.use_count, ofs, sizeof(c));
fseek(fp_gtab_use_count, - (sizeof(c)+bytes) , SEEK_CUR);
// dbg("bb %d ofs:%d\n", c.use_count, ftell(fp_gtab_use_count));
c.use_count++;
fwrite(&c, sizeof(c), 1, fp_gtab_use_count);
fflush(fp_gtab_use_count);
return;
}
int fofs = ftell(fp_gtab_use_count);
// dbg("fofs: %d\n", fofs);
#if 0
int delta = fofs % sizeof(GTAB_USE_CNT);
if (delta) // avoid incomplete write
fseek(fp_gtab_use_count, - delta, SEEK_CUR);
#endif
bzero(&c, sizeof(c));
c.use_count = 1;
c.bytes = bytes;
fwrite(&c, sizeof(c), 1, fp_gtab_use_count);
fwrite(s, bytes, 1, fp_gtab_use_count);
fflush(fp_gtab_use_count);
}
int get_gtab_use_count(char *s)
{
int bytes = strlen(s);
init_fp();
// dbg("get_gtab_use_count %s\n", s);
GTAB_USE_CNT c;
rewind(fp_gtab_use_count);
while (!feof(fp_gtab_use_count)) {
fread(&c, sizeof(c), 1, fp_gtab_use_count);
if (c.bytes != bytes)
continue;
char tt[512];
fread(tt, bytes, 1, fp_gtab_use_count);
if (!memcmp(tt, s, bytes)) {
// dbg("count found %s %d\n", s, c.use_count);
return c.use_count;
}
}
// dbg("not found\n");
return 0;
}
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