CodeSonar : pvm3.4.6 : Useless Assignment

Categories:

LANG.STRUCT.UA

Warning ID:

22.28603

Similar Warnings:

22.28604

Procedure:

fr_new

Trace:

Modified:

Thu Nov 26 11:27:03 2009 show details

Legend	[ X ]
Warning Location Contributes Parse Error Other Warning Two or More Loop Iterations On Execution Path Comment Macro Preprocessor Include Keyword Preprocessed Away

Source | Language: C

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Line	Source

		/kat0/fletcher/SATE/2010/pvm3/src/pvmfrag.c

		Enter fr_new

161		struct frag *
162		fr_new (len)
163		int len; /* (max) buffer size or 0 */
164		{
165		struct frag *fp;
166
167		if (!(fp = frag_get_header ()))
168		goto oops;
169
170		if (len) { /* slave frag */
171		fp->fr_link = fp->fr_rlink = 0; /* Useless Assignment */
172		if (!(fp->fr_dat = fp->fr_buf = da_new (len ))) {
173		frag_put_header(fp );
174		goto oops;
175		}
176		fp->fr_max = len;
177
178		} else { /* master */
179		fp->fr_link = fp->fr_rlink = fp;
180		fp->fr_dat = fp->fr_buf = 0;
181		fp->fr_max = 0;
182		}
183		fp->fr_len = 0;
184		fp->fr_u.ref = 1;
185		fp->fr_u.dab = 1;
186		fp->fr_u.spr = 0;
187		fp->fr_rip = 0;
188		#ifdef IMA_CSPP
189		fp->fr_num_unpacked = 0;
190		#endif
191		/*
192		pvmlogprintf("fr_new() %d = %lx\n", len, fp);
193		*/
194		return fp;
195
196		oops:
197		pvmlogerror ("fr_new() can't get memory\n");
198		pvmbailout (0);
199		return (struct frag)0; / Unreachable Computation (ID: 23.28605) */
200		}

Because they are very similar, this warning shares annotations with warning 22.28604.