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Added fallback read() for missing/failing mmap().

oldstable
Alexandre Julliard 2002-06-01 02:47:58 +00:00
parent 9a62491660
commit ffb4956f4a
1 changed files with 13 additions and 3 deletions
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16
tools/winedump/pe.c
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@ -822,8 +822,13 @@ int pe_analysis(const char* name, void (*fn)(void), enum FileSig wanted_sig)
if (fstat(fd, &s) < 0) fatal("Can't get size");
total_len = s.st_size;
base = mmap(NULL, total_len, PROT_READ, MAP_PRIVATE, fd, 0);
if (base == (void*)-1) fatal("Can't map file");
#ifdef HAVE_MMAP
if ((base = mmap(NULL, total_len, PROT_READ, MAP_PRIVATE, fd, 0)) == (void *)-1)
#endif
{
if (!(base = malloc( total_len ))) fatal( "Out of memory" );
if (read( fd, base, total_len ) != total_len) fatal( "Cannot read file" );
}
effective_sig = check_headers();
@ -856,7 +861,12 @@ int pe_analysis(const char* name, void (*fn)(void), enum FileSig wanted_sig)
}
if (ret) printf("Done dumping %s\n", name);
munmap(base, total_len);
#ifdef HAVE_MMAP
if (munmap(base, total_len) == -1)
#endif
{
free( base );
}
close(fd);
return ret;