Viewing file:  pr93355-localealias-feasibility.c (2.22 KB) -rw-r--r--
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/* Simplified version of test to ensure we issue a FILE * leak diagnostic,
reproducing a feasibility issue.
Adapted from intl/localealias.c, with all #includes removed. */
/* { dg-do "compile" } */
/* Handle aliases for locale names.
Copyright (C) 1995-1999, 2000-2001, 2003 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published
by the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
USA. */
/* Minimal version of system headers. */
typedef __SIZE_TYPE__ size_t;
#define NULL ((void *)0)
typedef struct _IO_FILE FILE;
extern FILE *fopen (const char *__restrict __filename,
const char *__restrict __modes);
extern size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream);
extern int fclose (FILE *__stream);
extern int isspace (int) __attribute__((__nothrow__, __leaf__));
/* Cleaned-up body of localealias.c follows. */
size_t
read_alias_file (const char *fname, int fname_len)
{
FILE *fp;
size_t added;
char buf[400];
char *alias;
char *value;
char *cp;
fp = fopen (fname, "r"); /* { dg-message "opened here" } */
if (fp == NULL)
return 0;
if (fread (buf, sizeof buf, 1, fp) != 1)
{
fclose (fp);
return 0;
}
cp = buf;
/* Ignore leading white space. */
while (isspace ((unsigned char)cp[0]))
++cp;
if (cp[0] != '\0' && cp[0] != '#')
{
alias = cp++;
while (cp[0] != '\0' && !isspace ((unsigned char)cp[0]))
++cp;
if (cp[0] != '\0')
*cp++ = '\0';
while (isspace ((unsigned char)cp[0]))
++cp;
if (cp[0] != '\0')
return 42; /* { dg-warning "leak of FILE 'fp'" } */
}
fclose(fp);
return 0;
}
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