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freadln.c: improve the test, make last TODO optional

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Intel A80486DX2-66 2024-03-10 14:47:41 +03:00
parent 1a69cfa4ad
commit d7be00df1f
Signed by: 80486DX2-66
GPG Key ID: 83631EF27054609B
1 changed files with 5 additions and 2 deletions
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c-programming/io/freadln.c
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@ -10,7 +10,7 @@
* TODO: Figure out potential problems * TODO: Figure out potential problems
* TODO: Add 'flushing' of STDIN (while there are characters, read them) before * TODO: Add 'flushing' of STDIN (while there are characters, read them) before
* the input reading loop to avoid input queues * the input reading loop to avoid input queues
* FIXME: Handle EOF in a special way to indicate EOF * [optional] TODO: Handle EOF in a special way to indicate EOF
*/ */
#include "freadln.h" #include "freadln.h"
@ -93,11 +93,14 @@ int main(void) {
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
f = new_f; f = new_f;
for (int i = 0; i < 5; i++) { for (int i = 0; i < 4; i++) {
size_t line_length; size_t line_length;
if (freadln(f, &line, &line_length) != freadln_OK) { if (freadln(f, &line, &line_length) != freadln_OK) {
perror("freadln"); perror("freadln");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} else if (feof(f)) {
printf("File: EOF, breaking the loop\n");
break;
} }
printf("File, line #%d: '%s' (%zu characters)\n", i + 1, line, printf("File, line #%d: '%s' (%zu characters)\n", i + 1, line,
line_length); line_length);