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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main(int argc, char *argv[])
{
char pg_dbname[128] = {0};
char pg_host[128] = {0};
char pg_password[128] = {0};
char pg_port[8] = {0};
char pg_user[128] = {0};
const char* env;
env = getenv("POSTGRES_DBNAME");
if (env != NULL)
{
strncpy(pg_dbname, env, sizeof(pg_dbname));
}
env = getenv("POSTGRES_HOST");
if (env != NULL)
{
strncpy(pg_host, env, sizeof(pg_host));
}
env = getenv("POSTGRES_PASSWORD");
if (env != NULL)
{
strncpy(pg_password, env, sizeof(pg_password));
}
env = getenv("POSTGRES_PORT");
if (env != NULL)
{
strncpy(pg_port, env, sizeof(pg_port));
}
env = getenv("POSTGRES_USER");
if (env != NULL)
{
strncpy(pg_user, env, sizeof(pg_user));
}
char *config_fmt = "host=%s port=%s user=%s password=%s dbname=%s sslmode=disable";
printf(config_fmt, pg_host, pg_port, pg_user, pg_password, pg_dbname);
printf("\n");
char sqladdr[2048];
snprintf(
sqladdr,
sizeof(sqladdr),
config_fmt,
pg_host,
pg_port,
pg_user,
pg_password,
pg_dbname
);
printf("%s", sqladdr);
printf("\n");
}
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