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Add help dialog to Blinkenlights emulator

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This commit is contained in:
Justine Tunney 2021-02-19 16:56:06 -08:00
parent 02b4a5c824
commit 5f1415af3a
9 changed files with 248 additions and 147 deletions
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2
tool/build/lib/loader.c
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@ -140,7 +140,7 @@ void LoadProgram(struct Machine *m, const char *prog, char **args, char **vars,
size_t i, mappedsize;
DCHECK_NOTNULL(prog);
elf->prog = prog;
if ((fd = open(prog, O_RDWR)) == -1 ||
if ((fd = open(prog, O_RDONLY)) == -1 ||
(fstat(fd, &st) == -1 || !st.st_size)) {
fputs(prog, stderr);
fputs(": not found\n", stderr);