From: Richard Fitzgerald Date: Fri, 22 Feb 2013 15:57:35 +0000 (+0000) Subject: compress: Change compress_write() to take buffer as const void * X-Git-Tag: v0.1.0~13 X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=21663cc0d7ad5c9925a0db6c8f3f73038db15da5;p=tinycompress.git compress: Change compress_write() to take buffer as const void * The input buffer to compress_write() should be const, and is better defined as void * so the caller doesn't have to cast. Signed-off-by: Vinod Koul --- diff --git a/compress.c b/compress.c index 01fb3f0..5429754 100644 --- a/compress.c +++ b/compress.c @@ -312,11 +312,12 @@ int compress_get_tstamp(struct compress *compress, return 0; } -int compress_write(struct compress *compress, char *buf, unsigned int size) +int compress_write(struct compress *compress, const void *buf, unsigned int size) { struct snd_compr_avail avail; struct pollfd fds; int to_write, written, total = 0, ret; + const char* cbuf = buf; if (!(compress->flags & COMPRESS_IN)) return oops(compress, -EINVAL, "Invalid flag set"); @@ -355,12 +356,12 @@ int compress_write(struct compress *compress, char *buf, unsigned int size) to_write = avail.avail; else to_write = size; - written = write(compress->fd, buf, to_write); + written = write(compress->fd, cbuf, to_write); if (written < 0) return oops(compress, errno, "write failed!"); size -= written; - buf += written; + cbuf += written; total += written; } return total; diff --git a/include/tinycompress/tinycompress.h b/include/tinycompress/tinycompress.h index b1fbc65..49c0ff2 100644 --- a/include/tinycompress/tinycompress.h +++ b/include/tinycompress/tinycompress.h @@ -126,7 +126,7 @@ int compress_get_tstamp(struct compress *compress, * @buf: pointer to data * @size: number of bytes to be written */ -int compress_write(struct compress *compress, char *buf, unsigned int size); +int compress_write(struct compress *compress, const void *buf, unsigned int size); /* * compress_read: read data from the compress stream