auravulpes/FENIX_coreutils
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-u triggers setvbuf with _IONBF

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Kat R. 2022-02-27 21:38:10 -06:00
parent 57d260971d
commit 0fa85040b3
1 changed files with 7 additions and 12 deletions
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19
cat.c
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@ -18,15 +18,15 @@ int main(int argc, char *argv[]) {
} }
} }
if(using_unbuffered_output) {
setvbuf(stdin, NULL, _IONBF, 15);
setvbuf(stdout, NULL, _IONBF, 15);
}
if(argc == 1 || optind == argc) { if(argc == 1 || optind == argc) {
cur_in_file = stdin; cur_in_file = stdin;
for(c = fgetc(cur_in_file); c != EOF; c = fgetc(cur_in_file)) { for(c = fgetc(cur_in_file); c != EOF; c = fgetc(cur_in_file)) {
if(using_unbuffered_output) { fprintf(stdout, "%c", c);
write(1, &c, 1);
}
else {
fprintf(stdout, "%c", c);
}
} }
fclose(cur_in_file); fclose(cur_in_file);
} }
@ -43,12 +43,7 @@ int main(int argc, char *argv[]) {
} }
} }
for(c = fgetc(cur_in_file); c != EOF; c = fgetc(cur_in_file)) { for(c = fgetc(cur_in_file); c != EOF; c = fgetc(cur_in_file)) {
if(using_unbuffered_output) { fprintf(stdout, "%c", c);
write(1, &c, 1);
}
else {
fprintf(stdout, "%c", c);
}
} }
fclose(cur_in_file); fclose(cur_in_file);
} }