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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../vnlog-parser.h"
#define MSG(fmt, ...) \
fprintf(stderr, "%s:%d " fmt "\n", __FILE__, __LINE__, ##__VA_ARGS__)
int main(int argc, char* argv[])
{
if(argc != 3)
{
fprintf(stderr, "Usage: %s input.vnl query-key\n", argv[0]);
return 1;
}
const char* filename = argv[1];
FILE* fp = (0 == strcmp(filename,"-")) ?
stdin : fopen(filename, "r");
if(fp == NULL)
{
MSG("Couldn't open '%s'", filename);
return 1;
}
const char* querykey = argv[2];
vnlog_parser_t ctx;
if(VNL_OK != vnlog_parser_init(&ctx, fp))
return 1;
const char*const* queryvalue = vnlog_parser_record_from_key(&ctx, querykey);
vnlog_parser_result_t result;
while(VNL_OK == (result = vnlog_parser_read_record(&ctx, fp)))
{
printf("======\n");
for(int i=0; i<ctx.Ncolumns; i++)
{
printf("%s = %s\n", ctx.record[i].key, ctx.record[i].value);
}
printf("query: %s = %s\n",
querykey,
queryvalue != NULL ? *queryvalue : "NOT FOUND");
}
return (result == VNL_OK || result == VNL_EOF) ? 0 : 1;
}
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