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take a filenum instead of a file pointer.

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This commit is contained in:
NunoSempere 2023-09-08 23:07:49 +02:00
parent 4a9ab4f9f3
commit c752033121
2 changed files with 3 additions and 4 deletions
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wc
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wc.c
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@ -2,10 +2,10 @@
#include <unistd.h> // read, isatty
// STDIN_FILENO
int process_fp(FILE* fp)
int process_fp(int filenum)
{
char buffer[1];
while (read(0, buffer, sizeof(buffer)) > 0) {
while (read(filenum, buffer, sizeof(buffer)) > 0) {
printf("%c", buffer[0]);
}
return 0;
@ -13,8 +13,7 @@ int process_fp(FILE* fp)
int main(int argc, char** argv)
{
//
if (!isatty(STDIN_FILENO)) { // check if stdin is coming from terminal or pipeline
if (!isatty(STDIN_FILENO)) {
return process_fp(STDIN_FILENO);
} else if(argc > 1){
printf("To do");