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Error out when given several input files

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Also rename tzMainFile
This commit is contained in:
ISSOtm
2021-01-22 09:44:41 +01:00
parent 1487eebe79
commit 5acc48fa54
1 changed files with 11 additions and 12 deletions
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23
src/asm/main.c
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@@ -255,7 +255,7 @@ static void print_usage(void)
fputs(
"Usage: rgbasm [-EhLVvw] [-b chars] [-D name[=value]] [-g chars] [-i path]\n"
" [-M depend_file] [-MG] [-MP] [-MT target_file] [-MQ target_file]\n"
" [-o out_file] [-p pad_value] [-r depth] [-W warning] <file> ...\n"
" [-o out_file] [-p pad_value] [-r depth] [-W warning] <file>\n"
"Useful options:\n"
" -E, --export-all export all labels\n"
" -M, --dependfile <path> set the output dependency file\n"
@@ -276,8 +276,6 @@ int main(int argc, char *argv[])
struct sOptions newopt;
char *tzMainfile;
time_t now = time(NULL);
char *sourceDateEpoch = getenv("SOURCE_DATE_EPOCH");
@@ -451,8 +449,6 @@ int main(int argc, char *argv[])
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
if (tzTargetFileName == NULL)
tzTargetFileName = tzObjectname;
@@ -461,26 +457,29 @@ int main(int argc, char *argv[])
DefaultOptions = CurrentOptions;
if (argc == 0) {
fputs("FATAL: no input files\n", stderr);
if (argc == optind) {
fputs("FATAL: No input files\n", stderr);
print_usage();
} else if (argc != optind + 1) {
fputs("FATAL: More than one input file given\n", stderr);
print_usage();
}
tzMainfile = argv[argc - 1];
char const *mainFileName = argv[optind];
if (verbose)
printf("Assembling %s\n", tzMainfile);
printf("Assembling %s\n", mainFileName);
if (dependfile) {
if (!tzTargetFileName)
errx(1, "Dependency files can only be created if a target file is specified with either -o, -MQ or -MT.\n");
errx(1, "Dependency files can only be created if a target file is specified with either -o, -MQ or -MT\n");
fprintf(dependfile, "%s: %s\n", tzTargetFileName, tzMainfile);
fprintf(dependfile, "%s: %s\n", tzTargetFileName, mainFileName);
}
/* Init file stack; important to do first, since it provides the file name, line, etc */
lexer_Init();
fstk_Init(tzMainfile, maxRecursionDepth);
fstk_Init(mainFileName, maxRecursionDepth);
sym_Init(now);
sym_SetExportAll(exportall);