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mail(1): check for out of memory conditions when calling calloc(3).

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Suggested by:	oshogbo
MFC after:	3 days
This commit is contained in:
Pedro F. Giffuni 2016-07-13 14:59:17 +00:00
parent de56aee0bf
commit dde0f2bfd3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=302771
1 changed files with 6 additions and 3 deletions
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9
usr.bin/mail/cmd3.c
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@ -463,7 +463,8 @@ group(char **argv)
gname = *argv;
h = hash(gname);
if ((gh = findgroup(gname)) == NULL) {
gh = calloc(1, sizeof(*gh));
if ((gh = calloc(1, sizeof(*gh))) == NULL)
err(1, "Out of memory");
gh->g_name = vcopy(gname);
gh->g_list = NULL;
gh->g_link = groups[h];
@ -477,7 +478,8 @@ group(char **argv)
*/
for (ap = argv+1; *ap != NULL; ap++) {
gp = calloc(1, sizeof(*gp));
if ((gp = calloc(1, sizeof(*gp))) == NULL)
err(1, "Out of memory");
gp->ge_name = vcopy(*ap);
gp->ge_link = gh->g_list;
gh->g_list = gp;
@ -702,7 +704,8 @@ alternates(char **namelist)
}
if (altnames != 0)
(void)free(altnames);
altnames = calloc((unsigned)c, sizeof(char *));
if ((altnames = calloc((unsigned)c, sizeof(char *))) == NULL)
err(1, "Out of memory");
for (ap = namelist, ap2 = altnames; *ap != NULL; ap++, ap2++) {
cp = calloc((unsigned)strlen(*ap) + 1, sizeof(char));
strcpy(cp, *ap);