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#include <stdio.h>
#include <stdlib.h>
#include "rdoff.h"
#include "rdlib.h"
int rdl_error = 0;
char *rdl_errors[3] = {
"no error","could not open file", "invalid file structure",
};
int rdl_searchlib (struct librarynode * lib,
const char * label, rdffile * f)
{
char buf[257];
int i;
void * hdr;
rdfheaderrec * r;
rdl_error = 0;
lib->referenced ++;
if (! lib->fp)
{
lib->fp = fopen(lib->name,"rb");
if (! lib->fp) {
rdl_error = 1;
return 0;
}
}
else
rewind(lib->fp);
while (! feof(lib->fp) )
{
i = 1;
while (fread(buf + i,1,1,lib->fp) == 1 && buf[i] && i < 257)
i++;
buf[0] = ':';
if (feof(lib->fp)) break;
if ( rdfopenhere(f,lib->fp,&lib->referenced,buf) ) {
rdl_error = 2;
return 0;
}
hdr = malloc(f->header_len);
rdfloadseg(f,RDOFF_HEADER,hdr);
while ((r = rdfgetheaderrec(f)))
{
if (r->type != 3) /* not an export */
continue;
if (! strcmp(r->e.label, label) ) /* match! */
{
free(hdr); /* reset to 'just open' */
f->header_loc = NULL; /* state... */
f->header_fp = 0;
return 1;
}
}
/* find start of next module... */
i = f->data_ofs + f->data_len;
rdfclose(f);
fseek(lib->fp,i,SEEK_SET);
}
lib->referenced --;
if (! lib->referenced)
{
fclose(lib->fp);
lib->fp = NULL;
}
return 0;
}
void rdl_perror(const char *apname, const char *filename)
{
fprintf(stderr,"%s:%s:%s\n",apname,filename,rdl_errors[rdl_error]);
}
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