commit e913de1bc651bbe5171760ffbe6926a43650f5d0
parent b0b943a1613e2f9b421a663a3bf84fb4bbdbadc5
Author: trinity-1686a <trinity@deuxfleurs.fr>
Date: Sun, 18 Feb 2024 12:37:59 +0100
make read_file_to_str_until_eof doc more explicit
the sz_out param is set to what was read (i.e not including the final
NULL the function adds for convenience), but could be understood to
be set to what was read+1 (including the NULL terminator)
Diffstat:
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/src/lib/fs/files.c b/src/lib/fs/files.c
@@ -572,9 +572,10 @@ write_bytes_to_new_file(const char *fname, const char *str, size_t len,
/**
* Read the contents of the open file <b>fd</b> presuming it is a FIFO
* (or similar) file descriptor for which the size of the file isn't
- * known ahead of time. Return NULL on failure, and a NUL-terminated
- * string on success. On success, set <b>sz_out</b> to the number of
- * bytes read.
+ * known ahead of time.
+ * Return NULL on failure, and a NUL-terminated string on success.
+ * On success, set <b>sz_out</b> to the number of bytes read (not including
+ * the final NULL, which wasn't read from <b>fd</fd>).
*/
char *
read_file_to_str_until_eof(int fd, size_t max_bytes_to_read, size_t *sz_out)