From 1624782bbe44018a1784cf78839bc4ec95802fdf Mon Sep 17 00:00:00 2001 From: Greg Watson Date: Sat, 13 Mar 2004 03:34:52 +0000 Subject: extra functions git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1405 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/include/string.h | 91 +++++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 86 insertions(+), 5 deletions(-) (limited to 'src/include') diff --git a/src/include/string.h b/src/include/string.h index 111e23bc15..1c07af0ca5 100644 --- a/src/include/string.h +++ b/src/include/string.h @@ -2,6 +2,14 @@ #define STRING_H #include +#include + +extern void *memcpy(void *dest, const void *src, size_t n); +extern void *memmove(void *dest, const void *src, size_t n); +extern void *memset(void *s, int c, size_t n); +extern int memcmp(const void *s1, const void *s2, size_t n); + +extern int sprintf(char * buf, const char *fmt, ...); // yes, linux has fancy ones. We don't care. This stuff gets used // hardly at all. And the pain of including those files is just too high. @@ -28,10 +36,83 @@ static inline size_t strlen(const char *src) return i; } -extern void *memcpy(void *dest, const void *src, size_t n); -extern void *memmove(void *dest, const void *src, size_t n); -extern void *memset(void *s, int c, size_t n); -extern int memcmp(const void *s1, const void *s2, size_t n); +static inline char *strchr(const char *s, int c) +{ + for (; *s; s++) { + if (*s == c) + return (char *) s; + } + return 0; +} -extern int sprintf(char * buf, const char *fmt, ...); +static inline char *strdup(const char *s) +{ + size_t sz = strlen(s) + 1; + char *d = malloc(sz); + memcpy(d, s, sz); + return d; +} + +static inline char *strncpy(char *to, const char *from, int count) +{ + register char *ret = to; + + while (count > 0) { + count--; + if ((*to++ = *from++) == '\0') + break; + } + + while (count > 0) { + count--; + *to++ = '\0'; + } + return ret; +} + +static inline int strcmp(const char *s1, const char *s2) +{ + int r; + + while ((r = (*s1 - *s2)) == 0 && *s1) { + s1++; + s2++; + } + return r; +} + +static inline int isspace(int c) +{ + switch (c) { + case ' ': case '\f': case '\n': + case '\r': case '\t': case '\v': + return 1; + default: + return 0; + } +} + +static inline int isdigit(int c) +{ + return (c >= '0' && c <= '9'); +} + +static inline int isxdigit(int c) +{ + return ((c >= '0' && c <= '9') || + (c >= 'a' && c <= 'f') || + (c >= 'A' && c <= 'F')); +} + +static inline int islower(int c) +{ + return (c >= 'a' && c <= 'z'); +} + +static inline int toupper(int c) +{ + if (islower(c)) + c -= 'a'-'A'; + return c; +} #endif /* STRING_H */ -- cgit v1.2.3