diff options
Diffstat (limited to 'unix/main.c')
| -rw-r--r-- | unix/main.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/unix/main.c b/unix/main.c index 780f159efe..3e8de7902b 100644 --- a/unix/main.c +++ b/unix/main.c @@ -314,11 +314,24 @@ void pre_process_options(int argc, char **argv) { char *end; heap_size = strtol(argv[a + 1] + sizeof("heapsize=") - 1, &end, 0); // Don't bring unneeded libc dependencies like tolower() + // If there's 'w' immediately after number, adjust it for + // target word size. Note that it should be *before* size + // suffix like K or M, to avoid confusion with kilowords, + // etc. the size is still in bytes, just can be adjusted + // for word size (taking 32bit as baseline). + bool word_adjust = false; + if ((*end | 0x20) == 'w') { + word_adjust = true; + end++; + } if ((*end | 0x20) == 'k') { heap_size *= 1024; } else if ((*end | 0x20) == 'm') { heap_size *= 1024 * 1024; } + if (word_adjust) { + heap_size = heap_size * BYTES_PER_WORD / 4; + } #endif } else { exit(usage(argv)); |