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linux-user: remove two unchecked uses of strdup 

Remove two uses of strdup (use g_path_get_basename instead),
and add a comment that this strncpy use is ok.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Jim Meyering <meyering@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jim Meyering 2012-10-04 13:09:53 +02:00 committed by Anthony Liguori
parent ae21506801
commit 900cfbcac6
1 changed files with 7 additions and 5 deletions
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12
linux-user/elfload.c
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@ -2442,7 +2442,7 @@ static void fill_prstatus(struct target_elf_prstatus *prstatus,
static int fill_psinfo(struct target_elf_prpsinfo *psinfo, const TaskState *ts)
{
char *filename, *base_filename;
char *base_filename;
unsigned int i, len;
(void) memset(psinfo, 0, sizeof (*psinfo));
@ -2464,13 +2464,15 @@ static int fill_psinfo(struct target_elf_prpsinfo *psinfo, const TaskState *ts)
psinfo->pr_uid = getuid();
psinfo->pr_gid = getgid();
filename = strdup(ts->bprm->filename);
base_filename = strdup(basename(filename));
base_filename = g_path_get_basename(ts->bprm->filename);
/*
* Using strncpy here is fine: at max-length,
* this field is not NUL-terminated.
*/
(void) strncpy(psinfo->pr_fname, base_filename,
sizeof(psinfo->pr_fname));
free(base_filename);
free(filename);
g_free(base_filename);
bswap_psinfo(psinfo);
return (0);
}