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Problem report #45
From: |
Dan Nicolaescu |
Subject: |
Problem report #45 |
Date: |
Sun, 30 Apr 2006 09:43:53 -0700 |
CID: 45
Checker: RESOURCE_LEAK (help)
File: emacs/lib-src/etags.c
Function: Erlang_functions
Description: Returned without freeing storage "last"
5575 static void
5576 Erlang_functions (inf)
5577 FILE *inf;
5578 {
5579 char *cp, *last;
5580 int len;
5581 int allocated;
5582
5583 allocated = 0;
5584 len = 0;
5585 last = NULL;
5586
At conditional (1): "feof == 0" taking true path
At conditional (2): "((readline), (cp = (lb).buffer)), (1 != 0)" taking true
path
At conditional (4): "feof == 0" taking false path
5587 LOOP_ON_INPUT_LINES (inf, lb, cp)
5588 {
At conditional (3): "*(cp + 0) == 0" taking true path
5589 if (cp[0] == '\0') /* Empty line */
5590 continue;
5591 else if (iswhite (cp[0])) /* Not function nor attribute */
5592 continue;
5593 else if (cp[0] == '%') /* comment */
5594 continue;
5595 else if (cp[0] == '"') /* Sometimes, strings start in column
one */
5596 continue;
5597 else if (cp[0] == '-') /* attribute, e.g. "-define" */
5598 {
5599 erlang_attribute (cp);
5600 last = NULL;
5601 }
Event pass_arg: Variable "last" not freed or pointed-to in function
"erlang_func" [model]
Also see events: [alloc_fn][var_assign][pass_arg][leaked_storage]
5602 else if ((len = erlang_func (cp, last)) > 0)
5603 {
5604 /*
5605 * Function. Store the function name so that we only
5606 * generates a tag for the first clause.
5607 */
5608 if (last == NULL)
Event alloc_fn: Called allocation function "xmalloc" [model]
Event var_assign: Assigned variable "last" to storage returned from "xmalloc"
Also see events: [var_assign][pass_arg][pass_arg][leaked_storage]
5609 last = xnew (len + 1, char);
5610 else if (len + 1 > allocated)
5611 xrnew (last, len + 1, char);
5612 allocated = len + 1;
Event pass_arg: Variable "last" not freed or pointed-to in function "strncpy"
Also see events: [alloc_fn][var_assign][pass_arg][leaked_storage]
5613 strncpy (last, cp, len);
5614 last[len] = '\0';
5615 }
5616 }
Event leaked_storage: Returned without freeing storage "last"
Also see events: [alloc_fn][var_assign][pass_arg][pass_arg]
5617 }
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