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freadln.c: add a comment to indicate initial length

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Intel A80486DX2-66 2024-03-10 14:40:02 +03:00
parent e8d66db238
commit 1a69cfa4ad
Signed by: 80486DX2-66
GPG Key ID: 83631EF27054609B
1 changed files with 1 additions and 1 deletions
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c-programming/io/freadln.c
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@ -33,7 +33,7 @@ int freadln(FILE* f, char** output, size_t* length_out) {
// make sure a prompt is displayed // make sure a prompt is displayed
fflush(stdout); fflush(stdout);
freadln_length_type length = 0; freadln_length_type length = 0; // initial length
*output = malloc((length + 1) * sizeof(char)); *output = malloc((length + 1) * sizeof(char));
if (*output == NULL) if (*output == NULL)