commit ea8f512fcd3d4ec436f88a93d3708f0e1bd41c86
parent fe414183b085460e17c2354631a503f7765e7901
Author: Devine Lu Linvega <aliceffekt@gmail.com>
Date: Thu, 28 Mar 2024 09:30:23 -0700
(uxnasm)Check for output size after resolving symbols
Diffstat:
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/src/uxnasm.c b/src/uxnasm.c
@@ -377,7 +377,7 @@ resolve(void)
}
l->refs++;
}
- return 1;
+ return !length ? error_top("Assembly", "Output rom is empty.") : 1;
}
static void
@@ -424,10 +424,8 @@ main(int argc, char *argv[])
scpy("on-reset", scope, 0x40);
if(argc == 1) return error_top("usage", "uxnasm [-v] input.tal output.rom");
if(scmp(argv[1], "-v", 2)) return !fprintf(stdout, "Uxnasm - Uxntal Assembler, 28 Mar 2024.\n");
- if(!assemble(argv[1])) return !error_top("Assembly", "Failed to assemble rom.");
- if(!resolve()) return !error_top("Assembly", "Failed to resolve symbols.");
+ if(!assemble(argv[1]) || !resolve()) return !error_top("Assembly", "Failed to assemble rom.");
if(!(dst = fopen(argv[2], "wb"))) return !error_top("Invalid Output", argv[2]);
- if(length <= PAGE) return !error_top("Assembly", "Output rom is empty.");
review(argv[2]);
fwrite(data + PAGE, length - PAGE, 1, dst);
writesym(argv[2]);