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#include <assert.h>
#include <stddef.h>
#include "warnp.h"
#include "scryptenc.h"
#include "scryptenc_print_error.h"
/**
* scryptenc_print_error(rc, infilename, outfilename):
* Print the error corresponding to ${rc}. If relevant, use ${infilename}
* or ${outfilename} to display an error about reading or writing; these
* arguments can be NULL to indicate standard input or output.
*/
void
scryptenc_print_error(int rc, const char * infilename,
const char * outfilename)
{
/* Sanity check: this should only be used for errors. */
assert(rc != SCRYPT_OK);
/* Display error. */
switch (rc) {
case SCRYPT_ELIMIT:
warnp("Error determining amount of available memory");
break;
case SCRYPT_ECLOCK:
warnp("Error reading clocks");
break;
case SCRYPT_EKEY:
warnp("Error computing derived key");
break;
case SCRYPT_ESALT:
warnp("Error reading salt");
break;
case SCRYPT_EOPENSSL:
warnp("OpenSSL error");
break;
case SCRYPT_ENOMEM:
warnp("Error allocating memory");
break;
case SCRYPT_EINVAL:
warn0("Input is not valid scrypt-encrypted block");
break;
case SCRYPT_EVERSION:
warn0("Unrecognized scrypt format version");
break;
case SCRYPT_ETOOBIG:
warn0("Decrypting file would require too much memory");
break;
case SCRYPT_ETOOSLOW:
warn0("Decrypting file would take too much CPU time");
break;
case SCRYPT_EBIGSLOW:
warn0("Decrypting file would require too much memory"
" and CPU time");
break;
case SCRYPT_EPASS:
warn0("Passphrase is incorrect");
break;
case SCRYPT_EWRFILE:
warnp("Error writing file: %s",
(outfilename != NULL) ? outfilename : "standard output");
break;
case SCRYPT_ERDFILE:
warnp("Error reading file: %s",
(infilename != NULL) ? infilename : "standard input");
break;
case SCRYPT_EPARAM:
warn0("Error in explicit parameters");
break;
default:
warn0("Programmer error: unrecognized scrypt error");
break;
}
}
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