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51 lines
929 B
51 lines
929 B
/* |
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* linux/lib/string.c |
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* |
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* Copyright (C) 1991, 1992 Linus Torvalds |
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*/ |
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#ifdef USE_HOSTCC |
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#include <stdio.h> |
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#endif |
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#include <linux/ctype.h> |
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#include <linux/string.h> |
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/** |
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* skip_spaces - Removes leading whitespace from @str. |
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* @str: The string to be stripped. |
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* |
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* Returns a pointer to the first non-whitespace character in @str. |
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*/ |
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char *skip_spaces(const char *str) |
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{ |
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while (isspace(*str)) |
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++str; |
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return (char *)str; |
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} |
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/** |
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* strim - Removes leading and trailing whitespace from @s. |
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* @s: The string to be stripped. |
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* |
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* Note that the first trailing whitespace is replaced with a %NUL-terminator |
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* in the given string @s. Returns a pointer to the first non-whitespace |
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* character in @s. |
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*/ |
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char *strim(char *s) |
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{ |
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size_t size; |
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char *end; |
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s = skip_spaces(s); |
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size = strlen(s); |
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if (!size) |
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return s; |
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end = s + size - 1; |
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while (end >= s && isspace(*end)) |
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end--; |
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*(end + 1) = '\0'; |
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return s; |
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}
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