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minor improvements to saving quit.blend, print the OS error if the file fails to be created or written.

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This commit is contained in:
Campbell Barton 2012-09-08 23:07:53 +00:00
parent bad06c158e
commit 1e2d304973
1 changed files with 29 additions and 16 deletions
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45
source/blender/blenkernel/intern/blender.c
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@ -44,7 +44,8 @@
#include <stdio.h>
#include <stddef.h>
#include <string.h>
#include <fcntl.h> // for open
#include <fcntl.h> /* for open */
#include <errno.h>
#include "MEM_guardedalloc.h"
@ -716,36 +717,48 @@ void BKE_undo_save_quit(void)
MemFileChunk *chunk;
int file;
char str[FILE_MAX];
if ( (U.uiflag & USER_GLOBALUNDO) == 0) return;
if ((U.uiflag & USER_GLOBALUNDO) == 0) {
return;
}
uel = curundo;
if (uel == NULL) {
printf("No undo buffer to save recovery file\n");
fprintf(stderr, "No undo buffer to save recovery file\n");
return;
}
/* no undo state to save */
if (undobase.first == undobase.last) return;
if (undobase.first == undobase.last) {
return;
}
/* save the undo state as quit.blend */
BLI_make_file_string("/", str, BLI_temporary_dir(), "quit.blend");
errno = 0;
file = BLI_open(str, O_BINARY + O_WRONLY + O_CREAT + O_TRUNC, 0666);
if (file == -1) {
//XXX error("Unable to save %s, check you have permissions", str);
fprintf(stderr, "Unable to save '%s': %s\n",
str, errno ? strerror(errno) : "Unknown error opening file");
return;
}
chunk = uel->memfile.chunks.first;
while (chunk) {
if (write(file, chunk->buf, chunk->size) != chunk->size) break;
chunk = chunk->next;
for (chunk = uel->memfile.chunks.first; chunk; chunk = chunk->next) {
if (write(file, chunk->buf, chunk->size) != chunk->size) {
break;
}
}
close(file);
if (chunk) ; //XXX error("Unable to save %s, internal error", str);
else printf("Saved session recovery to %s\n", str);
if (chunk) {
fprintf(stderr, "Unable to save '%s': %s\n",
str, errno ? strerror(errno) : "Unknown error writing file");
}
else {
printf("Saved session recovery to '%s'\n", str);
}
}
/* sets curscene */