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fuzzers: make printf formatters cross-platform compatible

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The `printf` formatters in our standalone fuzzing driver are currently
using the "%m" specifier, which is a GNU extension that prints the error
message for the error code in `errno`. As we're using libgit2 functions
in both cases anyway, let's just use `git_error_last` instead to make
this valid on all platforms.
This commit is contained in:
Patrick Steinhardt
2019-06-28 10:50:01 +02:00
parent 48d563286c
commit 6905581304
1 changed files with 3 additions and 2 deletions
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5
fuzzers/standalone_driver.c
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@@ -24,7 +24,7 @@ static int run_one_file(const char *filename)
int error = 0;
if (git_futils_readbuffer(&buf, filename) < 0) {
fprintf(stderr, "Failed to read %s: %m\n", filename);
fprintf(stderr, "Failed to read %s: %s\n", filename, git_error_last()->message);
error = -1;
goto exit;
}
@@ -57,7 +57,8 @@ int main(int argc, char **argv)
LLVMFuzzerInitialize(&argc, &argv);
if (git_path_dirload(&corpus_files, argv[1], 0, 0x0) < 0) {
fprintf(stderr, "Failed to scan corpus directory: %m\n");
fprintf(stderr, "Failed to scan corpus directory '%s': %s\n",
argv[1], git_error_last()->message);
error = -1;
goto exit;
}