Language
C
Compiler
gcc HEAD 11.0.1 20210414 (experimental)
Options
Warnings
C11(GNU)
no pedantic
$ gcc prog.c -Wall -Wextra -std=gnu11 prog.c: In function 'output_strings_reverse':
prog.c:14:14: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'int' [-Wformat=]
14 | printf("%s\n", *array_p[i]);
| ~^ ~~~~~~~~~~~
| | |
| | int
| char *
| %d
prog.c: In function 'main':
prog.c:34:13: warning: assignment to 'char' from 'char *' makes integer from pointer without a cast [-Wint-conversion]
34 | *str_p[i] = (char *)malloc(strlen(data) + 1);
| ^
prog.c:35:10: warning: passing argument 1 of 'strcpy' makes pointer from integer without a cast [-Wint-conversion]
35 | strcpy(*str_p[i], data);
| ^~~~~~~~~
| |
| char
In file included from prog.c:3:
/usr/include/string.h:125:39: note: expected 'char * restrict' but argument is of type 'char'
125 | extern char *strcpy (char *__restrict __dest, const char *__restrict __src)
| ~~~~~~~~~~~~~~~~~^~~~~~
prog.c:41:26: warning: passing argument 1 of 'output_strings_reverse' from incompatible pointer type [-Wincompatible-pointer-types]
41 | output_strings_reverse(&str_p, i);
| ^~~~~~
| |
| char * (*)[20]
prog.c:9:36: note: expected 'char **' but argument is of type 'char * (*)[20]'
9 | void output_strings_reverse(char **array_p, int m)
| ~~~~~~~^~~~~~~
prog.c:22:7: warning: unused variable 'n' [-Wunused-variable]
22 | int n; //文字列の個数
| ^
Signal:
Segmentation fault