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Line 45... | Line 45... | ||
45 | /** Return number of characters in a string. |
45 | /** Return number of characters in a string. |
46 | * |
46 | * |
47 | * @param str NULL terminated string. |
47 | * @param str NULL terminated string. |
48 | * |
48 | * |
49 | * @return Number of characters in str. |
49 | * @return Number of characters in str. |
- | 50 | * |
|
50 | */ |
51 | */ |
51 | size_t strlen(const char *str) |
52 | size_t strlen(const char *str) |
52 | { |
53 | { |
53 | int i; |
54 | int i; |
54 | 55 | ||
55 | for (i = 0; str[i]; i++) |
56 | for (i = 0; str[i]; i++); |
56 | ; |
- | |
57 | 57 | ||
58 | return i; |
58 | return i; |
59 | } |
59 | } |
60 | 60 | ||
61 | /** Compare two NULL terminated strings |
61 | /** Compare two NULL terminated strings |
Line 78... | Line 78... | ||
78 | if (*src > *dst) |
78 | if (*src > *dst) |
79 | return 1; |
79 | return 1; |
80 | } |
80 | } |
81 | if (*src == *dst) |
81 | if (*src == *dst) |
82 | return 0; |
82 | return 0; |
- | 83 | ||
83 | if (!*src) |
84 | if (!*src) |
84 | return -1; |
85 | return -1; |
- | 86 | ||
85 | return 1; |
87 | return 1; |
86 | } |
88 | } |
87 | 89 | ||
88 | 90 | ||
89 | /** Compare two NULL terminated strings |
91 | /** Compare two NULL terminated strings |
Line 105... | Line 107... | ||
105 | unsigned int i; |
107 | unsigned int i; |
106 | 108 | ||
107 | for (i = 0; (*src) && (*dst) && (i < len); src++, dst++, i++) { |
109 | for (i = 0; (*src) && (*dst) && (i < len); src++, dst++, i++) { |
108 | if (*src < *dst) |
110 | if (*src < *dst) |
109 | return -1; |
111 | return -1; |
- | 112 | ||
110 | if (*src > *dst) |
113 | if (*src > *dst) |
111 | return 1; |
114 | return 1; |
112 | } |
115 | } |
- | 116 | ||
113 | if (i == len || *src == *dst) |
117 | if (i == len || *src == *dst) |
114 | return 0; |
118 | return 0; |
- | 119 | ||
115 | if (!*src) |
120 | if (!*src) |
116 | return -1; |
121 | return -1; |
- | 122 | ||
117 | return 1; |
123 | return 1; |
118 | } |
124 | } |
119 | 125 | ||
120 | 126 | ||
121 | 127 | ||
Line 126... | Line 132... | ||
126 | * last copied character. |
132 | * last copied character. |
127 | * |
133 | * |
128 | * @param src Source string. |
134 | * @param src Source string. |
129 | * @param dest Destination buffer. |
135 | * @param dest Destination buffer. |
130 | * @param len Size of destination buffer. |
136 | * @param len Size of destination buffer. |
- | 137 | * |
|
131 | */ |
138 | */ |
132 | void strncpy(char *dest, const char *src, size_t len) |
139 | void strncpy(char *dest, const char *src, size_t len) |
133 | { |
140 | { |
134 | unsigned int i; |
141 | unsigned int i; |
135 | 142 | ||
Line 149... | Line 156... | ||
149 | * @return Pointer to character in @a s or NULL if not found. |
156 | * @return Pointer to character in @a s or NULL if not found. |
150 | */ |
157 | */ |
151 | extern char *strchr(const char *s, int i) |
158 | extern char *strchr(const char *s, int i) |
152 | { |
159 | { |
153 | while (*s != '\0') { |
160 | while (*s != '\0') { |
- | 161 | if (*s == i) |
|
154 | if (*s == i) return (char *) s; |
162 | return (char *) s; |
155 | ++s; |
163 | ++s; |
156 | } |
164 | } |
157 | 165 | ||
158 | return NULL; |
166 | return NULL; |
159 | } |
167 | } |