/* File errmesg.c. Contains function errorMessage that is invoked when an
error occurs. It prints a message and terminates the program. */
#include "group.h"
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
CHECK( errmes)
/*-------------------------- isValidName ----------------------------------*/
BOOLEAN isValidName(
const char *name) /* The name to be checked for validity. */
{
Unsigned i;
if ( strlen(name) > MAX_NAME_LENGTH )
return FALSE;
if ( !isalpha(name[0]) && name[0] != '_' )
return FALSE;
for ( i = 1 ; i < strlen(name) ; ++i )
if ( !isalnum(name[i]) && name[i] != '_' )
return FALSE;
return TRUE;
}
/*-------------------------- errorMessage ---------------------------------*/
void errorMessage(
const char *file, /* The file in which the error occured. */
int line, /* The line before which the error occured. */
const char *function, /* The function in which the error occured. */
const char *message) /* The message to be printed. It will be
prefixed by "Error: ". */
{
printf( "\n\n Error: %s\n"
" Program was executing function %s (line %d in file %s).",
message, function, line, file);
exit(ERROR_RETURN_CODE);
}
/*-------------------------- errorMessage1i -------------------------------*/
void errorMessage1i(
const char *file, /* The file in which the error occured. */
int line, /* The line before which the error occured. */
const char *function, /* The function in which the error occured. */
const char *message1, /* The first part of the error message. */
Unsigned intParm, /* The integer variable part of the message. */
const char *message2) /* The second part of the error message. */
{
printf( "\n\n Error: %s%u%s\n"
" Program was executing function %s (line %d in file %s).",
message1, intParm, message2, function, line, file);
exit(ERROR_RETURN_CODE);
}
/*-------------------------- errorMessage1s -------------------------------*/
void errorMessage1s(
const char *file, /* The file in which the error occured. */
int line, /* The line before which the error occured. */
const char *function, /* The function in which the error occured. */
const char *message1, /* The first part of the error message. */
const char *strParm, /* The integer variable part of the message. */
const char *message2) /* The second part of the error message. */
{
printf( "\n\n Error: %s%s%s\n"
" Program was executing function %s (line %d in file %s).",
message1, strParm, message2, function, line, file);
exit(ERROR_RETURN_CODE);
}
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