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authorLieuwe Rooijakkers <lieuwerooijakkers@gmail.com>2024-08-19 01:48:17 +0200
committerLieuwe Rooijakkers <lieuwerooijakkers@gmail.com>2024-08-19 01:48:32 +0200
commitde98360cbf57ae882bd926964305bbc0da6d537e (patch)
tree64b946e342cf537fb299a5b5ebdf4d2ce6d437ca /src
parentd7df7587213597fb2bc6c3a561bb3d7317d5b1ae (diff)
toilet: don't use getline
Diffstat (limited to 'src')
-rw-r--r--src/toilet.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/src/toilet.c b/src/toilet.c
index 717afa4..ff51ba8 100644
--- a/src/toilet.c
+++ b/src/toilet.c
@@ -21,6 +21,8 @@
static int modeMap;
+#define BUF_SIZE 4096
+
static void usage(FILE *f) {
fprintf(f,
"Gebruik: toilet [-nchV] [BESTAND]...\n"
@@ -77,16 +79,23 @@ static char** parse_options(int argc, char **argv, int *modeMap) {
static size_t count_lines(char *fname, FILE *f) {
size_t nlines = 0;
+ bool last_was_nl = false;
+
+ while (!feof(f)) {
+ static char buf[BUF_SIZE];
+ const size_t n = fread(buf, 1, BUF_SIZE, f);
- {
- char *line = NULL;
- size_t linen = 0;
- while ((errno = 0, getline(&line, &linen, f)) != -1) {
- nlines++;
+ for (size_t i = 0; i < n; i++) {
+ last_was_nl = false;
+ if (buf[i] == '\n') {
+ nlines++;
+ last_was_nl = true;
+ }
}
- free(line);
}
+ if (!last_was_nl) nlines++;
+
if (errno != 0) {
printf("toilet: fout bij lezen uit bestand '%s'\n", fname);
exit(1);
@@ -97,7 +106,6 @@ static size_t count_lines(char *fname, FILE *f) {
}
static size_t count_words(FILE *f) {
-#define BUF_SIZE 4096
size_t nwords = 0;
while (!feof(f)) {
@@ -115,8 +123,6 @@ static size_t count_words(FILE *f) {
rewind(f);
return nwords;
-
-#undef BUF_SIZE
}
static size_t get_count(enum MODE mode, char *fname, FILE *f) {
@@ -148,7 +154,9 @@ static int process(char *fname, bool isstdin) {
printf("%li ", count);
}
}
- printf("%s\n", fname);
+
+ if (fname != NULL) printf("%s", fname);
+ putchar('\n');
if (!isstdin) fclose(f);
return 0;