diff options
Diffstat (limited to 'ch5/5-10_expr.c')
| -rw-r--r-- | ch5/5-10_expr.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/ch5/5-10_expr.c b/ch5/5-10_expr.c index cc88838..acaabca 100644 --- a/ch5/5-10_expr.c +++ b/ch5/5-10_expr.c @@ -27,7 +27,7 @@ double pop(void); * calculator. Note that for most shells, you'll need to escape the * multiplication symbol (*) or it will expand to every file in the current * directory; NOT what you want in this situation. :) - * + * * So if you want 6 × 8 for example, you'll need to type `6 8 \*` */ int main(int argc, char *argv[]) { @@ -35,7 +35,7 @@ int main(int argc, char *argv[]) { double op2; for (argp = 1; argp < argc; argp++) { int argtype = opt_type(argv[argp]); - switch(argtype) { + switch (argtype) { case '*': push(pop() * pop()); break; @@ -80,7 +80,7 @@ double pop(void) { int opt_type(char op[]) { int i = 0; - switch(op[i]) { + switch (op[i]) { case '*': return '*'; case '+': @@ -88,12 +88,11 @@ int opt_type(char op[]) { case '/': return '/'; case '-': - if (op[i+1] == '\0') { + if (op[i + 1] == '\0') { return '-'; } break; } - while (isdigit(op[i])) { i++; } |