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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 8687 | turbocat | 1 | #include |
| 2 | #include |
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| 3 | |||
| 4 | char *__reverse(char *str) |
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| 5 | { |
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| 6 | char tmp, *src, *dst; |
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| 7 | size_t len; |
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| 8 | if (str != NULL){ |
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| 9 | len = strlen (str); |
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| 10 | if (len > 1) { |
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| 11 | src = str; |
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| 12 | dst = src + len - 1; |
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| 13 | while (src < dst) { |
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| 14 | tmp = *src; |
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| 15 | *src++ = *dst; |
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| 16 | *dst-- = tmp; |
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| 17 | } |
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| 18 | } |
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| 19 | } |
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| 20 | return str; |
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| 21 | } |
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| 22 | |||
| 23 | /* itoa from K&R */ |
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| 24 | void itoa(int n, char s[]) |
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| 25 | { |
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| 26 | int i, sign; |
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| 27 | |||
| 28 | if ((sign = n) < 0) /* record sign */ |
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| 29 | n = -n; /* make n positive */ |
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| 30 | i = 0; |
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| 31 | |||
| 32 | do { /* generate digits in reverse order */ |
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| 33 | s[i++] = n % 10 + '0'; /* get next digit */ |
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| 34 | } while ((n /= 10) > 0); /* delete it */ |
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| 35 | |||
| 36 | if (sign < 0) |
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| 37 | s[i++] = '-'; |
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| 38 | |||
| 39 | __reverse(s); |
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| 40 | s[i] = '\0'; |
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| 41 | return; |
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| 42 | } |