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/*
 * Detect GDB using env
 *
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

int gdb_columns() {
    return (getenv("COLUMNS") != NULL);
}

int gdb_lines() {
    return (getenv("LINES") != NULL);
}

int gdb_path() {
    char *gdb_path = getenv("_");
    if (gdb_path == NULL) {
      return 0;
    }
    char *block_path = strtok(gdb_path, "/");
    char *str = NULL;
    while (block_path != NULL) {
       str = block_path;
       block_path = strtok(NULL, "/");
    }
    if (str == NULL) {
      return 0;
    }
    else {
      return !strcmp(str,"gdb");
    }
    
}