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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
struct liblog_output *
liblog_use_output(struct liblog_context *ctx, const struct liblog_output *output)
{
void *new;
if (!ctx || !output)
goto einval;
if (output->lowest_verbosity_unlimited && output->highest_verbosity_unlimited)
if (output->lowest_verbosity > output->highest_verbosity)
goto einval;
if (output->sink_type == LIBLOG_STREAM) {
if (!output->sink.stream.stream)
goto einval;
} else if (output->sink_type != LIBLOG_SYSLOG && output->sink_type != LIBLOG_FILE) {
/*
* We do not want to validate syslog level,
* nor do we want to validate file descriptor,
* indeed the user may want to output to a negative
* file descriptor so that it only visible during
* system call tracing
*/
einval:
errno = EINVAL;
return NULL;
}
if (ctx->noutputs > SIZE_MAX / sizeof(*ctx->outputs) - 1)
goto enomem;
new = realloc(ctx->outputs, (ctx->noutputs + 1) * sizeof(*ctx->outputs));
if (!new) {
enomem:
errno = ENOMEM;
return NULL;
}
ctx->outputs = new;
memcpy(&ctx->outputs[ctx->noutputs], output, sizeof(*output));
if (!ctx->outputs[ctx->noutputs].prefixfmt)
ctx->outputs[ctx->noutputs].prefixfmt = DEFAULT_PREFIXFMT;
return &ctx->outputs[ctx->noutputs++];
}
#else
int
main(void)
{
struct liblog_context ctx;
struct liblog_output output;
struct liblog_output *new_output;
ASSERT_ZERO(liblog_init_context(&ctx));
errno = 0;
ASSERT_IS_NULL(liblog_use_output(NULL, NULL));
ASSERT_EQ_INT(errno, EINVAL);
errno = 0;
ASSERT_IS_NULL(liblog_use_output(&ctx, NULL));
ASSERT_EQ_INT(errno, EINVAL);
errno = 0;
ASSERT_IS_NULL(liblog_use_output(NULL, &output));
ASSERT_EQ_INT(errno, EINVAL);
memset(&ctx, 0, sizeof(ctx));
errno = 0;
output.lowest_verbosity_unlimited = 1;
output.highest_verbosity_unlimited = 1;
output.lowest_verbosity = (enum liblog_level)400;
output.highest_verbosity = (enum liblog_level)100;
ASSERT_IS_NULL(liblog_use_output(&ctx, &output));
ASSERT_EQ_INT(errno, EINVAL);
memset(&output, 0, sizeof(output));
errno = 0;
output.sink_type = (enum liblog_sink)99;
ASSERT_IS_NULL(liblog_use_output(&ctx, &output));
ASSERT_EQ_INT(errno, EINVAL);
errno = 0;
output.sink_type = (enum liblog_sink)-1;
ASSERT_IS_NULL(liblog_use_output(&ctx, &output));
ASSERT_EQ_INT(errno, EINVAL);
errno = 0;
output.sink_type = LIBLOG_STREAM;
output.sink.stream.stream = NULL;
ASSERT_IS_NULL(liblog_use_output(&ctx, &output));
ASSERT_EQ_INT(errno, EINVAL);
errno = 0;
output.sink_type = LIBLOG_FILE;
ctx.noutputs = SIZE_MAX / sizeof(*ctx.outputs);
ASSERT_IS_NULL(liblog_use_output(&ctx, &output));
ASSERT_EQ_INT(errno, ENOMEM);
ctx.noutputs = 0;
output.sink_type = LIBLOG_FILE;
output.sink.file.fd = 0;
output.sink.file.owns_fd = 0;
output.prefixfmt = NULL;
new_output = liblog_use_output(&ctx, &output);
ASSERT_NOT_NULL(new_output);
ASSERT_IS_NULL(output.prefixfmt);
ASSERT_NOT_NULL(new_output->prefixfmt);
ASSERT_EQ_STR(new_output->prefixfmt, DEFAULT_PREFIXFMT);
ASSERT_EQ_INT(new_output->sink_type, output.sink_type);
ASSERT_EQ_INT(new_output->sink.file.fd, output.sink.file.fd);
ASSERT_EQ_INT(new_output->sink.file.owns_fd, output.sink.file.owns_fd);
ASSERT_EQ_UINT(ctx.noutputs, 1);
ASSERT_NOT_NULL(ctx.outputs);
liblog_destroy_context(&ctx);
return 0;
}
#endif
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