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make format

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This commit is contained in:
NunoSempere 2023-09-09 00:07:22 +02:00
parent 2009c18381
commit 33c4972b3d
1 changed files with 23 additions and 23 deletions
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46
ww.c
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@ -5,35 +5,35 @@
int process_fn(int fn) int process_fn(int fn)
{ {
char c[1]; char c[1];
int seen_word=0; int seen_word = 0;
int seen_sep_after_word=0; int seen_sep_after_word = 0;
int num_words = 0; int num_words = 0;
while (read(fn, c, sizeof(c)) > 0) { while (read(fn, c, sizeof(c)) > 0) {
if(*c != '\n' && *c != ' ' && *c != '\t'){ if (*c != '\n' && *c != ' ' && *c != '\t') {
seen_word = 1; seen_word = 1;
} else if(seen_word) { } else if (seen_word) {
seen_sep_after_word = 1; seen_sep_after_word = 1;
} else { } else {
// see a separator, but haven't seen a word: do nothing // see a separator, but haven't seen a word: do nothing
// exercise: what happens if you only track seen_sep, // exercise: what happens if you only track seen_sep,
// instead of seen_sep_after_word? // instead of seen_sep_after_word?
// test with: $ echo " x x" | ./wc // test with: $ echo " x x" | ./wc
} }
if(seen_word && seen_sep_after_word){ if (seen_word && seen_sep_after_word) {
num_words++; num_words++;
seen_sep_after_word = seen_word = 0; seen_sep_after_word = seen_word = 0;
} }
} }
if(seen_word){ if (seen_word) {
num_words++; num_words++;
} }
printf("%i\n",num_words); printf("%i\n", num_words);
return 0; return 0;
} }
int main(int argc, char** argv) int main(int argc, char** argv)
{ {
if (!isatty(STDIN_FILENO)) { if (!isatty(STDIN_FILENO)) {
return process_fn(STDIN_FILENO); return process_fn(STDIN_FILENO);
} else if (argc > 1) { } else if (argc > 1) {
FILE* fp = fopen(argv[1], "r"); FILE* fp = fopen(argv[1], "r");
@ -44,7 +44,7 @@ int main(int argc, char** argv)
return process_fn(fileno(fp)); return process_fn(fileno(fp));
} else { } else {
printf("Usage: ww file.txt\n"); printf("Usage: ww file.txt\n");
printf(" or: cat file.txt | ww\n"); printf(" or: cat file.txt | ww\n");
} }
return 0; return 0;
} }