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Fix strict aliasing issue that triggered a bug in the parser_symtab unit

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tests. I don't like the solution because it exposes a data structure
definition outside of the only file that should know it's layout.

Also, fixed the Makefile to fail the build when one of the unit test
programs fails. :-(
This commit is contained in:
Steve Beattie 2010-03-12 14:41:58 -08:00
parent 2a0df39961
commit 3b9b2158c1
2 changed files with 9 additions and 13 deletions
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2
parser/Makefile
View file

@ -214,7 +214,7 @@ check: tests
.SILENT: tests
tests: ${TESTS}
for test in ${TESTS} ; do echo "*** running $${test}" && ./$${test} $(BUILD_OUTPUT) ; done
sh -e -c 'for test in ${TESTS} ; do echo "*** running $${test}" && ./$${test} $(BUILD_OUTPUT) ; done'
$(Q)make -s -C tst tests
.SILENT: check

20
parser/parser_symtab.c
View file

@ -33,11 +33,6 @@ enum var_type {
sd_set,
};
struct set_value {
char *val;
struct set_value *next;
};
struct symtab {
char *var_name;
enum var_type type;
@ -288,7 +283,7 @@ out:
/* returns a pointer to the value list, which should be used as the
* argument to the get_next_set_value() function. */
void *get_set_var(const char *var)
struct set_value *get_set_var(const char *var)
{
struct symtab *result;
struct set_value *valuelist = NULL;
@ -321,16 +316,17 @@ out:
}
/* iterator to walk the list of set values */
char *get_next_set_value(void **list)
char *get_next_set_value(struct set_value **list)
{
struct set_value **valuelist = (struct set_value **) list;
struct set_value *next;
char *ret;
if (!valuelist || !(*valuelist))
if (!list || !(*list))
return NULL;
ret = (*valuelist)->val;
(*valuelist) = (*valuelist)->next;
ret = (*list)->val;
next = (*list)->next;
(*list) = next;
return ret;
}
@ -569,7 +565,7 @@ int main(void)
{
int rc = 0;
int retval;
void *retptr;
struct set_value *retptr;
struct symtab *a, *b;
a = new_symtab_entry("blah");