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https://github.com/kanjitalk755/macemu.git
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get file size using stat, which seems to be more reliable
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parent
521da856b5
commit
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@ -30,6 +30,7 @@
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#include <mach/vm_prot.h>
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#include <mach-o/loader.h>
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#include <mach-o/fat.h>
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#include <sys/stat.h>
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static const char progname[] = "lowmem";
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static const char *filename;
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@ -134,6 +135,7 @@ main(int argc, const char *argv[])
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struct mach_header_64 *machhead64;
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#endif
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struct fat_header *fathead;
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struct stat f;
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if (argc != 2) {
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(void)fprintf(stderr, "Usage: %s executable\n", progname);
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@ -142,6 +144,13 @@ main(int argc, const char *argv[])
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filename = argv[1];
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if (stat(filename, &f)) {
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(void)fprintf(stderr, "%s: could not stat %s: %s\n",
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progname, filename, strerror(errno));
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exit(1);
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}
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file_size = f.st_size;
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fd = open(filename, O_RDWR, 0);
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if (fd == -1) {
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(void)fprintf(stderr, "%s: could not open %s: %s\n",
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@ -149,17 +158,6 @@ main(int argc, const char *argv[])
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exit(1);
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}
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file_size = lseek(fd, 0, SEEK_END);
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if (file_size == -1) {
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// for some mysterious reason, this sometimes fails...
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file_size = 0x1000;
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#if 0
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(void)fprintf(stderr, "%s: could not get size of %s: %s\n",
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progname, filename, strerror(errno));
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exit(1);
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#endif
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}
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/*
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* Size does not really matter, it will be rounded-up to a multiple
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* of the page size automatically.
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