37 lines
1.2 KiB
Diff
37 lines
1.2 KiB
Diff
diff --git a/tcctools.c b/tcctools.c
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index 4567b81..2bcc990 100644
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--- a/tcctools.c
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+++ b/tcctools.c
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@@ -61,7 +61,7 @@ static int contains_any(const char *s, const char *list) {
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}
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static int ar_usage(int ret) {
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- fprintf(stderr, "usage: tcc -ar [rcsv] lib file...\n");
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+ fprintf(stderr, "usage: tcc -ar [rcsv] lib [file...]\n");
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fprintf(stderr, "create library ([abdioptxN] not supported).\n");
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return ret;
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}
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@@ -115,8 +115,9 @@ ST_FUNC int tcc_tool_ar(TCCState *s1, int argc, char **argv)
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}
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}
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- if (!i_obj) // i_obj implies also i_lib. we require both.
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+ if (!i_lib) // i_obj implies also i_lib.
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ret = 1;
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+ i_obj = i_obj ? i_obj : argc; // An empty archive will be generated if no input file is given
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if (ret == 1)
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return ar_usage(ret);
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@@ -242,6 +243,11 @@ ST_FUNC int tcc_tool_ar(TCCState *s1, int argc, char **argv)
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hofs++, fpos = 1;
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// write header
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fwrite("!<arch>\n", 8, 1, fh);
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+ // create an empty archive
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+ if (!funccnt) {
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+ ret = 0;
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+ goto the_end;
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+ }
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sprintf(stmp, "%-10d", (int)(strpos + (funccnt+1) * sizeof(int)));
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memcpy(&arhdr.ar_size, stmp, 10);
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fwrite(&arhdr, sizeof(arhdr), 1, fh);
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