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-rw-r--r--coreutils/dd.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/coreutils/dd.c b/coreutils/dd.c
index 2d91f77ef..3054ec6ea 100644
--- a/coreutils/dd.c
+++ b/coreutils/dd.c
@@ -195,23 +195,15 @@ static void dd_output_status(int UNUSED_PARAM cur_signal)
195#endif 195#endif
196} 196}
197 197
198static ssize_t full_write_or_warn(const void *buf, size_t len,
199 const char *const filename)
200{
201 ssize_t n = full_write(ofd, buf, len);
202 if (n < 0)
203 bb_perror_msg("writing '%s'", filename);
204 return n;
205}
206
207static bool write_and_stats(const void *buf, size_t len, size_t obs, 198static bool write_and_stats(const void *buf, size_t len, size_t obs,
208 const char *filename) 199 const char *filename)
209{ 200{
210 ssize_t n = full_write_or_warn(buf, len, filename); 201 ssize_t n;
211 if (n < 0) 202
212 return 1; 203 n = full_write(ofd, buf, len);
213#if ENABLE_FEATURE_DD_THIRD_STATUS_LINE 204#if ENABLE_FEATURE_DD_THIRD_STATUS_LINE
214 G.total_bytes += n; 205 if (n > 0)
206 G.total_bytes += n;
215#endif 207#endif
216 if ((size_t)n == obs) { 208 if ((size_t)n == obs) {
217 G.out_full++; 209 G.out_full++;
@@ -221,6 +213,14 @@ static bool write_and_stats(const void *buf, size_t len, size_t obs,
221 G.out_part++; 213 G.out_part++;
222 return 0; 214 return 0;
223 } 215 }
216 /* n is < len (and possibly is -1).
217 * Even if n >= 0, errno is usually set correctly.
218 * For example, if writing to block device and getting ENOSPC,
219 * full_write() first sees a short write, then tries to write
220 * the remainder and gets errno set to ENOSPC.
221 * It returns n > 0 (the amount which it did write).
222 */
223 bb_perror_msg("error writing '%s'", filename);
224 return 1; 224 return 1;
225} 225}
226 226