| 39,9 → 39,9 |
|---|
| |
| /** Return number of characters in a string. |
| * |
| * @param str NULL terminated string. |
| * @param str NULL terminated string. |
| * |
| * @return Number of characters in str. |
| * @return Number of characters in str. |
| */ |
| size_t strlen(const char *str) |
| { |
| 53,16 → 53,17 |
|---|
| return i; |
| } |
| |
| /** Compare two NULL terminated strings |
| /** Compare two NULL terminated strings. |
| * |
| * Do a char-by-char comparison of two NULL terminated strings. |
| * The strings are considered equal iff they consist of the same |
| * characters on the minimum of their lengths. |
| * |
| * @param src First string to compare. |
| * @param dst Second string to compare. |
| * @param src First string to compare. |
| * @param dst Second string to compare. |
| * |
| * @return 0 if the strings are equal, -1 if first is smaller, 1 if second smaller. |
| * @return 0 if the strings are equal, -1 if first is smaller, |
| * 1 if second smaller. |
| * |
| */ |
| int strcmp(const char *src, const char *dst) |
| 81,7 → 82,7 |
|---|
| } |
| |
| |
| /** Compare two NULL terminated strings |
| /** Compare two NULL terminated strings. |
| * |
| * Do a char-by-char comparison of two NULL terminated strings. |
| * The strings are considered equal iff they consist of the same |
| 88,11 → 89,12 |
|---|
| * characters on the minimum of their lengths and specified maximal |
| * length. |
| * |
| * @param src First string to compare. |
| * @param dst Second string to compare. |
| * @param len Maximal length for comparison. |
| * @param src First string to compare. |
| * @param dst Second string to compare. |
| * @param len Maximal length for comparison. |
| * |
| * @return 0 if the strings are equal, -1 if first is smaller, 1 if second smaller. |
| * @return 0 if the strings are equal, -1 if first is smaller, |
| * 1 if second smaller. |
| * |
| */ |
| int strncmp(const char *src, const char *dst, size_t len) |
| 118,9 → 120,9 |
|---|
| * If 'src' is shorter than 'len', '\0' is inserted behind the |
| * last copied character. |
| * |
| * @param src Source string. |
| * @param dest Destination buffer. |
| * @param len Size of destination buffer. |
| * @param src Source string. |
| * @param dest Destination buffer. |
| * @param len Size of destination buffer. |
| */ |
| void strncpy(char *dest, const char *src, size_t len) |
| { |
| 132,13 → 134,13 |
|---|
| dest[i-1] = '\0'; |
| } |
| |
| /** Convert ascii representation to unative_t |
| /** Convert ascii representation to unative_t. |
| * |
| * Supports 0x for hexa & 0 for octal notation. |
| * Does not check for overflows, does not support negative numbers |
| * |
| * @param text Textual representation of number |
| * @return Converted number or 0 if no valid number ofund |
| * @param text Textual representation of number. |
| * @return Converted number or 0 if no valid number found. |
| */ |
| unative_t atoi(const char *text) |
| { |
| 152,9 → 154,9 |
|---|
| base = 8; |
| |
| while (*text) { |
| if (base != 16 && \ |
| ((*text >= 'A' && *text <= 'F' ) |
| || (*text >='a' && *text <='f'))) |
| if (base != 16 && |
| ((*text >= 'A' && *text <= 'F') || |
| (*text >='a' && *text <='f'))) |
| break; |
| if (base == 8 && *text >='8') |
| break; |
| 176,5 → 178,28 |
|---|
| return result; |
| } |
| |
| /** Move piece of memory to another, possibly overlapping, location. |
| * |
| * @param dst Destination address. |
| * @param src Source address. |
| * @param len Number of bytes to move. |
| * |
| * @return Destination address. |
| */ |
| void *memmove(void *dst, const void *src, size_t len) |
| { |
| char *d = dst; |
| const char *s = src; |
| if (s < d) { |
| while (len--) |
| *(d + len) = *(s + len); |
| } else { |
| while (len--) |
| *d++ = *s++; |
| } |
| |
| return dst; |
| } |
| |
| /** @} |
| */ |