mirror of
https://github.com/netwide-assembler/nasm.git
synced 2024-11-21 03:14:19 +08:00
89 lines
1.5 KiB
C
89 lines
1.5 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "rdoff.h"
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#include "rdlib.h"
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int rdl_error = 0;
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char *rdl_errors[3] = {
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"no error","could not open file", "invalid file structure",
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};
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int rdl_searchlib (struct librarynode * lib,
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const char * label, rdffile * f)
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{
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char buf[257];
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int i;
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void * hdr;
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rdfheaderrec * r;
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rdl_error = 0;
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lib->referenced ++;
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if (! lib->fp)
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{
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lib->fp = fopen(lib->name,"rb");
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if (! lib->fp) {
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rdl_error = 1;
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return 0;
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}
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}
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else
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rewind(lib->fp);
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while (! feof(lib->fp) )
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{
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i = 1;
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while (fread(buf + i,1,1,lib->fp) == 1 && buf[i] && i < 257)
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i++;
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buf[0] = ':';
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if (feof(lib->fp)) break;
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if ( rdfopenhere(f,lib->fp,&lib->referenced,buf) ) {
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rdl_error = 2;
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return 0;
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}
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hdr = malloc(f->header_len);
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rdfloadseg(f,RDOFF_HEADER,hdr);
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while ((r = rdfgetheaderrec(f)))
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{
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if (r->type != 3) /* not an export */
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continue;
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if (! strcmp(r->e.label, label) ) /* match! */
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{
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free(hdr); /* reset to 'just open' */
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f->header_loc = NULL; /* state... */
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f->header_fp = 0;
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return 1;
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}
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}
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/* find start of next module... */
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i = f->data_ofs + f->data_len;
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rdfclose(f);
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fseek(lib->fp,i,SEEK_SET);
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}
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lib->referenced --;
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if (! lib->referenced)
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{
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fclose(lib->fp);
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lib->fp = NULL;
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}
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return 0;
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}
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void rdl_perror(const char *apname, const char *filename)
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{
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fprintf(stderr,"%s:%s:%s\n",apname,filename,rdl_errors[rdl_error]);
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}
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