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invalid argument list of main() return E2BIG 

* If invalid number of arguments supplied to main(), return errno E2BIG
 * add Makefile rule to test memory leak of wrong number of arguments to
   main()

Signed-off-by: Daniel Santos <dacs.git@brilhante.top>
This commit is contained in:
Daniel Santos 2022-03-17 14:24:13 +00:00
parent 3d304af497
commit fd66c37285
2 changed files with 8 additions and 4 deletions
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7
Makefile
View File

@ -61,9 +61,9 @@ clean:
run: decimal-to-earth
./decimal-to-earth 21
.PHONY: mem mem1 mem2 mem3
.PHONY: mem mem1 mem2 mem3 mem4
mem:
echo "the memory make rules are: mem1 mem2 mem3"
echo "the memory make rules are: mem1 mem2 mem3 mem4"
mem1: decimal-to-earth
valgrind --leak-check=full --show-leak-kinds=all -s decimal-to-earth 999
@ -74,6 +74,9 @@ mem2: decimal-to-earth
mem3: decimal-to-earth
valgrind --leak-check=full --show-leak-kinds=all -s decimal-to-earth abc
mem4: decimal-to-earth
valgrind --leak-check=full --show-leak-kinds=all -s decimal-to-earth 2 3
decimal-to-earth_test-1: $(DEP)
$(CC) $(CFLAGS) -DFROM_NUMERICALS=\"0123456789\" -DFROM_FIRST_NUMBER_VOID -DFROM_INFINITE_BASE -DTO_NUMERICALS=\"12345\" -o $@ $^

5
numericx.c
View File

@ -545,8 +545,9 @@ numericx_translate(char* from, bool from_units_on_the_end, bool from_first_numbe
*
* @param argv[] - one number as a string
*
* @return EXIT_SUCCESS in case of a successful number translation
* @return E2BIG in case of wrong number of arguments
* @return EXIT_FAILURE in case of unsuccessful number translation
* @return EXIT_SUCCESS in case of a successful number translation
*/
int
main(int argc, char* argv[])
@ -555,7 +556,7 @@ main(int argc, char* argv[])
if( !(argc == 2) )
{
fprintf(stderr, "usage: %s <number>\n", PROG_NAME);
exit(EXIT_FAILURE);
return E2BIG;
}
/* Number variables to be converted */