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| author | Ion Agorria <ion@agorria.com> | 2024-01-05 09:22:10 +0200 |
|---|---|---|
| committer | Mattijs Korpershoek <mkorpershoek@baylibre.com> | 2024-01-09 14:58:33 +0100 |
| commit | e58bafc35fe37491bb3546299593dcc054145adb (patch) | |
| tree | a50d65fe54980ff838d40d1a205433da49908d98 /include | |
| parent | 90087dd076d42c196de3506b6fa4d052f0869670 (diff) | |
| download | u-boot-e58bafc35fe37491bb3546299593dcc054145adb.tar.gz u-boot-e58bafc35fe37491bb3546299593dcc054145adb.tar.bz2 u-boot-e58bafc35fe37491bb3546299593dcc054145adb.zip | |
lib: membuff: fix readline not returning line in case of overflow
If line overflows readline it will not be returned, fix this behavior,
make it optional and documented properly.
Signed-off-by: Ion Agorria <ion@agorria.com>
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Link: https://lore.kernel.org/r/20240105072212.6615-6-clamor95@gmail.com
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/membuff.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/membuff.h b/include/membuff.h index 21051b0c54..4eba626ce1 100644 --- a/include/membuff.h +++ b/include/membuff.h @@ -192,10 +192,11 @@ int membuff_free(struct membuff *mb); * @mb: membuff to adjust * @str: Place to put the line * @maxlen: Maximum line length (excluding terminator) + * @must_fit: If true then str is empty if line doesn't fit * Return: number of bytes read (including terminator) if a line has been - * read, 0 if nothing was there + * read, 0 if nothing was there or line didn't fit when must_fit is set */ -int membuff_readline(struct membuff *mb, char *str, int maxlen, int minch); +int membuff_readline(struct membuff *mb, char *str, int maxlen, int minch, bool must_fit); /** * membuff_extend_by() - expand a membuff |