char * cgibin_reatwhite(char *param_1)

{

  char cVar1;

  size_t sVar2;

  char *pcVar3;

  char *pcVar4;

  pcVar3 = (char *)0x0;

  if (param_1 != (char *)0x0) {

    sVar2 = strlen(param_1);

    for (pcVar4 = param_1 + sVar2;

        (sVar2 = sVar2 - 1, pcVar3 = param_1, -1 < (int)sVar2 &&   //possible issue identified - semgrep

        ((((cVar1 = pcVar4[-1], cVar1 == ' ' || (cVar1 == '\t')) || (cVar1 == '\n')) ||   //possible issue identified - semgrep

         (cVar1 == '\r')))); pcVar4 = pcVar4 + -1) {

      pcVar4[-1] = '\0';

    }

  }

  return pcVar3;

}