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-rw-r--r--ch4/4-01_strrindex.c6
-rw-r--r--ch4/4-02_atof2.c3
-rw-r--r--ch4/4-03_calc-modulus.c2
-rw-r--r--ch4/4-04_top-swap.c3
-rw-r--r--ch4/4-05_math-funcs.c3
-rw-r--r--ch4/4-06_var-support.c3
-rw-r--r--ch4/4-07_ungets.c3
-rw-r--r--ch4/4-08_one-char.c3
-rw-r--r--ch4/4-09_pushed-eof.c3
-rw-r--r--ch4/4-10_getline-calc.c4
-rw-r--r--ch4/4-11_getop-v2.c3
-rw-r--r--ch4/4-12_recursive-itoa.c7
-rw-r--r--ch4/4-13_recursive-reverse.c2
-rw-r--r--ch4/4-14_swap-macro.c1
14 files changed, 2 insertions, 44 deletions
diff --git a/ch4/4-01_strrindex.c b/ch4/4-01_strrindex.c
index b6400c4..7818743 100644
--- a/ch4/4-01_strrindex.c
+++ b/ch4/4-01_strrindex.c
@@ -30,8 +30,7 @@
void reverse(char s[]) {
int c, i, j;
-
- for (i = 0, j = strlen(s)-1; i < j; i++, j--) {
+ for (i = 0, j = strlen(s) - 1; i < j; i++, j--) {
c = s[i];
s[i] = s[j];
s[j] = c;
@@ -40,7 +39,6 @@ void reverse(char s[]) {
int strindex(char s[], char t[]) {
int i, j, k;
-
for (i = 0; s[i] != '\0'; i++) {
for (j = i, k = 0; t[k] != '\0' && s[j] == t[k]; j++, k++) {
}
@@ -63,7 +61,6 @@ int strrindex(char s[], char t[]) {
int o = strindex(s, t) + strlen(t);
reverse(s);
reverse(t);
-
// Be sure to return the correct offset with some math :3
return (strlen(s) - o);
}
@@ -73,7 +70,6 @@ int main() {
char needle[MAXLINE] = "ned";
int pos = strrindex(haystack, needle);
int i = 0;
-
/* This is mostly just to provide a handy visual aid */
printf("The phrase %s's rightmost occurrence is %d:\n", needle, pos);
printf("%s\n", haystack);
diff --git a/ch4/4-02_atof2.c b/ch4/4-02_atof2.c
index 69c42fc..a70e881 100644
--- a/ch4/4-02_atof2.c
+++ b/ch4/4-02_atof2.c
@@ -19,13 +19,10 @@
double atof(char s[]) {
double val, power;
int i, sign, esign, exp;
-
/* Skip whitespace */
for (i = 0; isspace(s[i]); i++) {
}
-
sign = (s[i] == '-') ? -1 : 1;
-
if (s[i] == '+' || s[i] == '-') {
i++;
}
diff --git a/ch4/4-03_calc-modulus.c b/ch4/4-03_calc-modulus.c
index 05d5c1b..e4cfb9d 100644
--- a/ch4/4-03_calc-modulus.c
+++ b/ch4/4-03_calc-modulus.c
@@ -46,7 +46,6 @@ int main() {
int type;
double op2;
char s[MAXOP];
-
while ((type = getop(s)) != EOF) {
switch (type) {
case NUMBER:
@@ -109,7 +108,6 @@ double pop(void) {
int getop(char s[]) {
int i, c;
-
while ((s[0] = c = getch()) == ' ' || c == '\t') {
}
s[1] = '\0';
diff --git a/ch4/4-04_top-swap.c b/ch4/4-04_top-swap.c
index 2f884d4..5c60e3b 100644
--- a/ch4/4-04_top-swap.c
+++ b/ch4/4-04_top-swap.c
@@ -48,7 +48,6 @@ int main() {
int type;
double op2;
char s[MAXOP];
-
while ((type = getop(s)) != EOF) {
switch (type) {
case NUMBER:
@@ -128,7 +127,6 @@ double pop(void) {
int getop(char s[]) {
int i = 0;
int c, next;
-
while ((s[0] = c = getch()) == ' ' || c == '\t') {
}
s[1] = '\0';
@@ -147,7 +145,6 @@ int getop(char s[]) {
} else {
c = getch();
}
-
while (isdigit(s[++i] = c)) {
c = getch();
}
diff --git a/ch4/4-05_math-funcs.c b/ch4/4-05_math-funcs.c
index 6c22767..45c350b 100644
--- a/ch4/4-05_math-funcs.c
+++ b/ch4/4-05_math-funcs.c
@@ -48,7 +48,6 @@ int main() {
int type;
double op2;
char s[MAXOP];
-
while ((type = getop(s)) != EOF) {
switch (type) {
case NUMBER:
@@ -143,7 +142,6 @@ double pop(void) {
int getop(char s[]) {
int i = 0;
int c, next;
-
while ((s[0] = c = getch()) == ' ' || c == '\t') {
}
s[1] = '\0';
@@ -162,7 +160,6 @@ int getop(char s[]) {
} else {
c = getch();
}
-
while (isdigit(s[++i] = c)) {
c = getch();
}
diff --git a/ch4/4-06_var-support.c b/ch4/4-06_var-support.c
index 02b1d09..5df257a 100644
--- a/ch4/4-06_var-support.c
+++ b/ch4/4-06_var-support.c
@@ -59,7 +59,6 @@ int main() {
double op2;
char s[MAXOP];
char ltr;
-
while ((type = getop(s)) != EOF) {
if (isalpha(type) && islower(type)) {
push(fetch_var(type));
@@ -180,7 +179,6 @@ double pop(void) {
int getop(char s[]) {
int i = 0;
int c, next;
-
while ((s[0] = c = getch()) == ' ' || c == '\t') {
}
s[1] = '\0';
@@ -202,7 +200,6 @@ int getop(char s[]) {
} else {
c = getch();
}
-
while (isdigit(s[++i] = c)) {
c = getch();
}
diff --git a/ch4/4-07_ungets.c b/ch4/4-07_ungets.c
index 63a7d7f..61e933b 100644
--- a/ch4/4-07_ungets.c
+++ b/ch4/4-07_ungets.c
@@ -54,7 +54,6 @@ int main() {
double op2;
char s[MAXOP];
char ltr;
-
while ((type = getop(s)) != EOF) {
if (isalpha(type) && islower(type)) {
push(fetch_var(type));
@@ -175,7 +174,6 @@ double pop(void) {
int getop(char s[]) {
int i = 0;
int c, next;
-
while ((s[0] = c = getch()) == ' ' || c == '\t') {
}
s[1] = '\0';
@@ -197,7 +195,6 @@ int getop(char s[]) {
} else {
c = getch();
}
-
while (isdigit(s[++i] = c)) {
c = getch();
}
diff --git a/ch4/4-08_one-char.c b/ch4/4-08_one-char.c
index 8080453..6a031b5 100644
--- a/ch4/4-08_one-char.c
+++ b/ch4/4-08_one-char.c
@@ -53,7 +53,6 @@ int main() {
double op2;
char s[MAXOP];
char ltr;
-
while ((type = getop(s)) != EOF) {
if (isalpha(type) && islower(type)) {
push(fetch_var(type));
@@ -174,7 +173,6 @@ double pop(void) {
int getop(char s[]) {
int i = 0;
int c, next;
-
while ((s[0] = c = getch()) == ' ' || c == '\t') {
}
s[1] = '\0';
@@ -196,7 +194,6 @@ int getop(char s[]) {
} else {
c = getch();
}
-
while (isdigit(s[++i] = c)) {
c = getch();
}
diff --git a/ch4/4-09_pushed-eof.c b/ch4/4-09_pushed-eof.c
index f130992..53a1af4 100644
--- a/ch4/4-09_pushed-eof.c
+++ b/ch4/4-09_pushed-eof.c
@@ -53,7 +53,6 @@ int main() {
double op2;
char s[MAXOP];
char ltr;
-
ungetch(EOF);
while ((type = getop(s)) != EOF) {
if (isalpha(type) && islower(type)) {
@@ -175,7 +174,6 @@ double pop(void) {
int getop(char s[]) {
int i = 0;
int c, next;
-
while ((s[0] = c = getch()) == ' ' || c == '\t') {
}
s[1] = '\0';
@@ -197,7 +195,6 @@ int getop(char s[]) {
} else {
c = getch();
}
-
while (isdigit(s[++i] = c)) {
c = getch();
}
diff --git a/ch4/4-10_getline-calc.c b/ch4/4-10_getline-calc.c
index 499e71a..a801f0c 100644
--- a/ch4/4-10_getline-calc.c
+++ b/ch4/4-10_getline-calc.c
@@ -63,7 +63,6 @@ int main() {
double op2;
char s[MAXOP];
char ltr;
-
while (mygetline(buf, BUFSIZE) != 0) {
bufp = 0;
while ((type = getop(s)) != '\0') {
@@ -188,7 +187,6 @@ double pop(void) {
int getop(char s[]) {
int i, c;
-
while ((s[0] = c = buf[bufp++]) == ' ' || c == '\t');
if (c >= 'a' && c <= 'z') {
return c;
@@ -210,7 +208,6 @@ int getop(char s[]) {
} else {
s[i] = c;
}
-
if (isdigit(c)) {
while (isdigit(s[++i] = c = buf[bufp++]));
}
@@ -264,7 +261,6 @@ double fetch_last(void) {
int mygetline(char s[], int lim) {
int c, i = 0;
-
while (--lim > 0 && (c = getchar()) != EOF && c != '\n') {
s[i++] = c;
}
diff --git a/ch4/4-11_getop-v2.c b/ch4/4-11_getop-v2.c
index 6c2349b..dca0dbb 100644
--- a/ch4/4-11_getop-v2.c
+++ b/ch4/4-11_getop-v2.c
@@ -51,7 +51,6 @@ int main() {
double op2;
char s[MAXOP];
char ltr;
-
while ((type = getop(s)) != EOF) {
if (isalpha(type) && islower(type)) {
push(fetch_var(type));
@@ -173,7 +172,6 @@ int getop(char s[]) {
int i = 0;
int c, next;
static int buf = EOF;
-
if (buf != EOF && buf != ' ' && buf != '\t' && !isdigit(buf) && buf != '.' && (buf < 'a' || buf > 'z')) {
c = buf;
buf = EOF;
@@ -205,7 +203,6 @@ int getop(char s[]) {
} else {
c = getch();
}
-
while (isdigit(s[++i] = c)) {
c = getch();
}
diff --git a/ch4/4-12_recursive-itoa.c b/ch4/4-12_recursive-itoa.c
index f2ebdcf..1a6afc4 100644
--- a/ch4/4-12_recursive-itoa.c
+++ b/ch4/4-12_recursive-itoa.c
@@ -25,24 +25,20 @@ void reverse(char[]);
int main(void) {
char foo[40] = "";
-
itoa(829048, foo);
printf("%s\n", foo);
itoa(-4021, foo);
printf("%s\n", foo);
-
return 0;
}
void itoa(int num, char target[]) {
static int i = 0;
static int neg = 0;
-
if (num < 0) {
neg = 1;
num = -num;
}
-
if (num /= 10 > 0) {
target[i++] = (num % 10) + '0';
num /= 10;
@@ -63,8 +59,7 @@ void itoa(int num, char target[]) {
void reverse(char s[]) {
int c, i, j;
-
- for (i = 0, j = strlen(s)-1; i < j; i++, j--) {
+ for (i = 0, j = strlen(s) - 1; i < j; i++, j--) {
c = s[i];
s[i] = s[j];
s[j] = c;
diff --git a/ch4/4-13_recursive-reverse.c b/ch4/4-13_recursive-reverse.c
index 85a5b91..6fffad3 100644
--- a/ch4/4-13_recursive-reverse.c
+++ b/ch4/4-13_recursive-reverse.c
@@ -29,11 +29,9 @@ void reverse(char s[]) {
static int i = 0;
static int j = 0;
int c;
-
if (j == 0) {
j = strlen(s) - 1;
}
-
if (i < j) {
c = s[i];
s[i] = s[j];
diff --git a/ch4/4-14_swap-macro.c b/ch4/4-14_swap-macro.c
index ac2f102..7e794d4 100644
--- a/ch4/4-14_swap-macro.c
+++ b/ch4/4-14_swap-macro.c
@@ -22,7 +22,6 @@
int main() {
int a = 3;
int b = 7;
-
printf("a is %d, b is %d\n", a, b);
swap(int, a, b);
printf("Now swap, and... a is %d and b is %d!\n", a, b);

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