rdlib.c
资源名称:nasm-0.98.zip [点击查看]
上传用户:yuppie_zhu
上传日期:2007-01-08
资源大小:535k
文件大小:2k
源码类别:
编译器/解释器
开发平台:
C/C++
- #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:%sn",apname,filename,rdl_errors[rdl_error]);
- }