diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/nvim/os/fileio.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/nvim/os/fileio.c b/src/nvim/os/fileio.c index 4309ac723c..d16746b7bf 100644 --- a/src/nvim/os/fileio.c +++ b/src/nvim/os/fileio.c @@ -26,6 +26,7 @@ #include "nvim/globals.h" #include "nvim/rbuffer.h" #include "nvim/macros.h" +#include "nvim/message.h" #ifdef INCLUDE_GENERATED_DECLARATIONS # include "os/fileio.c.generated.h" @@ -345,3 +346,23 @@ ptrdiff_t file_skip(FileDescriptor *const fp, const size_t size) return (ptrdiff_t)read_bytes; } + +/// Msgpack callback for writing to a file +/// +/// @param data File to write to. +/// @param[in] buf Data to write. +/// @param[in] len Length of the data to write. +/// +/// @return 0 in case of success, -1 in case of error. +int msgpack_file_write(void *data, const char *buf, size_t len) + FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT +{ + assert(len < PTRDIFF_MAX); + const ptrdiff_t written_bytes = file_write((FileDescriptor *)data, buf, len); + if (written_bytes < 0) { + emsgf(_("E5420: Failed to write to file: %s"), + os_strerror((int)written_bytes)); + return -1; + } + return 0; +} |