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Better error handling in save-image

release
Slava Pestov 2007-11-05 13:39:20 -05:00
parent fdf251103d
commit 7cdfb02781
1 changed files with 17 additions and 5 deletions
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22
vm/image.c
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@ -92,8 +92,7 @@ void save_image(const F_CHAR *filename)
file = OPEN_WRITE(filename); file = OPEN_WRITE(filename);
if(file == NULL) if(file == NULL)
{ {
FPRINTF(stderr,"Cannot open image file: %s\n",filename); fprintf(stderr,"Cannot open image file: %s\n",strerror(errno));
fprintf(stderr,"%s\n",strerror(errno));
return; return;
} }
@ -122,10 +121,23 @@ void save_image(const F_CHAR *filename)
fwrite(&h,sizeof(F_HEADER),1,file); fwrite(&h,sizeof(F_HEADER),1,file);
fwrite((void*)tenured->start,h.data_size,1,file); if(fwrite((void*)tenured->start,h.data_size,1,file) != 1)
fwrite(first_block(&code_heap),h.code_size,1,file); {
fprintf(stderr,"Save data heap failed: %s\n",strerror(errno));
return;
}
fclose(file); if(fwrite(first_block(&code_heap),h.code_size,1,file) != 1)
{
fprintf(stderr,"Save code heap failed: %s\n",strerror(errno));
return;
}
if(fclose(file))
{
fprintf(stderr,"Failed to close image file: %s\n",strerror(errno));
return;
}
} }
DEFINE_PRIMITIVE(save_image) DEFINE_PRIMITIVE(save_image)