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resource manager tweaks.

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This commit is contained in:
Kelvin Sherlock 2016-08-12 19:50:22 -04:00
parent ab7c88db87
commit 3db689389e
1 changed files with 27 additions and 8 deletions
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35
toolbox/rm-new.cpp
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@ -50,7 +50,7 @@
#include <macos/sysequ.h>
#include <native/native.h>
#include <include/endian.h>
#include "stackframe.h"
#include "fs_spec.h"
@ -165,6 +165,7 @@ struct resource {
uint16_t id = 0;
uint16_t attr = 0;
uint32_t data_offset = 0;
uint32_t disk_size = -1;
//uint32_t name_offset = 0;
uint32_t handle = 0;
std::string name;
@ -423,7 +424,7 @@ namespace {
size_t ok = read(rf.fd, buffer, sizeof(buffer));
if (ok != 4) return mapReadErr;
return read_32(buffer);
return r.disk_size = read_32(buffer);
}
@ -594,14 +595,32 @@ namespace {
if (!(r.attr & resChanged)) return noErr;
if (r.attr & resProtected) return noErr;
// todo...
fprintf(stderr, "%s not yet implemented\n", __func__);
exit(1);
return SetResError(0);
if (!r.handle) return noErr; // should never happen...
// set r.attr |= mapChanged; if it moves.
r.attr &= ~resChanged;
auto hi = MM::Native::GetHandleInfo(r.handle);
if (r.data_offset && r.disk_size != -1 && r.disk_size < hi->size)
rf.attr |= mapCompact;
if (r.data_offset == 0 || r.disk_size == -1 || r.disk_size < hi->size){
// append
rf.attr |= mapChanged;
r.data_offset = rf.offset_rdata + rf.length_rdata;
rf.length_rdata += hi->size;
// rf.offset_rmap no longer valid.
}
uint32_t xx = htobe32(hi->size);
lseek(rf.fd, rf.offset_rdata + r.data_offset, SEEK_SET);
write(rf.fd, &xx, 4);
// todo -- if purged, is size 0??
write(rf.fd, memoryPointer(hi->address), hi->size);
rf.attr &= ~resChanged;
return noErr;
}
tool_return<void> write_resource_map(resource_file &rf) {