nortega/indivisible-legacy
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Able to save found primes to a file afterwards.

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This commit is contained in:
Nicolás A. Ortega 2016-12-14 19:28:28 +01:00
parent 656fee720e
commit f146dbf11c
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GPG Key ID: 614272579C2070D1
1 changed files with 35 additions and 5 deletions
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40
src/main.c
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@ -15,11 +15,14 @@ void printUsage(char *progName);
void leave(); void leave();
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
bool f_help = false, f_version = false, f_quiet = false; bool f_help = false,
f_version = false,
f_quiet = false;
int base = 10; int base = 10;
char *file = NULL;
int c; int c;
while((c = getopt(argc, argv, "hvqb:")) != -1) { while((c = getopt(argc, argv, "hvqb:f:")) != -1) {
switch(c) { switch(c) {
case 'h': case 'h':
f_help = true; f_help = true;
@ -39,6 +42,9 @@ int main(int argc, char *argv[]) {
exit(1); exit(1);
} }
break; break;
case 'f':
file = optarg;
break;
default: default:
printUsage(argv[0]); printUsage(argv[0]);
exit(1); exit(1);
@ -51,6 +57,7 @@ int main(int argc, char *argv[]) {
puts(" -v print version number of program"); puts(" -v print version number of program");
puts(" -q quiet mode"); puts(" -q quiet mode");
puts(" -b <base> base in which to print primes between 2 and 62"); puts(" -b <base> base in which to print primes between 2 and 62");
puts(" -f <file> file to save primes to");
return 0; return 0;
} else if(f_version) { } else if(f_version) {
printf("Indivisible %s\n", VERSION); printf("Indivisible %s\n", VERSION);
@ -79,7 +86,7 @@ int main(int argc, char *argv[]) {
if(!f_quiet) { if(!f_quiet) {
if(mpz_out_str(stdout, base, num) == 0) { if(mpz_out_str(stdout, base, num) == 0) {
fprintf(stderr, "Could not print to `stdout'!\n"); fprintf(stderr, "Could not print to `stdout'!\n");
exit(1); goto releaseMemory;
} }
printf("\n"); printf("\n");
} }
@ -107,7 +114,7 @@ int main(int argc, char *argv[]) {
if(!f_quiet) { if(!f_quiet) {
if(mpz_out_str(stdout, base, num) == 0) { if(mpz_out_str(stdout, base, num) == 0) {
fprintf(stderr, "Could not print to `stdout'!\n"); fprintf(stderr, "Could not print to `stdout'!\n");
exit(1); goto releaseMemory;
} }
printf("\n"); printf("\n");
} }
@ -118,10 +125,33 @@ nextPrime:
} while(run); } while(run);
printf("Found %zu primes.\n", primes.end); printf("Found %zu primes.\n", primes.end);
puts("Clearing memory...");
// Clear GMP variables // Clear GMP variables
mpz_clear(halfNum); mpz_clear(halfNum);
mpz_clear(num); mpz_clear(num);
if(file != NULL) {
FILE *outFile = fopen(file, "w");
if(outFile == NULL) {
fprintf(stderr, "Failed create file `%s'.\n", file);
goto releaseMemory;
}
printf("Writing primes to `%s'...\n", file);
for(size_t i = 0; i < primes.end; ++i) {
if(mpz_out_str(outFile, base, primes.list[i]) == 0) {
fprintf(stderr, "Error occurred while writing to file `%s'.\n", file);
goto releaseMemory;
}
fprintf(outFile, "\n");
}
if(fclose(outFile) != 0) {
fprintf(stderr, "Failed to close file `%s'.\n", file);
goto releaseMemory;
}
puts("Finished writing primes.");
}
releaseMemory:
puts("Clearing memory...");
// Deinitialize the list // Deinitialize the list
deInitList(&primes); deInitList(&primes);