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check allocation errors

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@15144 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2005-05-16 08:53:34 +00:00
parent 10c8d0da80
commit 00bd45ed01
1 changed files with 11 additions and 4 deletions
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15
lib/com_err/parse.y
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@@ -78,15 +78,13 @@ id : ID STRING
et : ET STRING
{
base = name2number($2);
strncpy(name, $2, sizeof(name));
name[sizeof(name) - 1] = '\0';
strlcpy(name, $2, sizeof(name));
free($2);
}
| ET STRING STRING
{
base = name2number($2);
strncpy(name, $3, sizeof(name));
name[sizeof(name) - 1] = '\0';
strlcpy(name, $3, sizeof(name));
free($2);
free($3);
}
@@ -104,21 +102,30 @@ statement : INDEX NUMBER
{
free(prefix);
asprintf (&prefix, "%s_", $2);
if (prefix == NULL)
errx(1, "malloc");
free($2);
}
| PREFIX
{
prefix = realloc(prefix, 1);
if (prefix == NULL)
errx(1, "malloc");
*prefix = '\0';
}
| EC STRING ',' STRING
{
struct error_code *ec = malloc(sizeof(*ec));
if (ec == NULL)
errx(1, "malloc");
ec->next = NULL;
ec->number = number;
if(prefix && *prefix != '\0') {
asprintf (&ec->name, "%s%s", prefix, $2);
if (ec->name == NULL)
errx(1, "malloc");
free($2);
} else
ec->name = $2;