Since some people disapprove of white space cleanups mixed in regular commits

[coreboot.git] / src / include / string.h

diff --git a/src/include/string.h b/src/include/string.h
index 111e23bc15064f5a23d8319615ca289855177400..04c3733f8be4fe8e861807cdfd4dbf575a48e1ae 100644 (file)
--- a/src/include/string.h
+++ b/src/include/string.h
@@ -2,16 +2,20 @@
 #define STRING_H
 
 #include <stddef.h>
+#include <stdlib.h>
 
-// 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.
+void *memcpy(void *dest, const void *src, size_t n);
+void *memmove(void *dest, const void *src, size_t n);
+void *memset(void *s, int c, size_t n);
+int memcmp(const void *s1, const void *s2, size_t n);
+#if !defined(__PRE_RAM__)
+int sprintf(char * buf, const char *fmt, ...);
+#endif
 
-//extern inline void strcpy(char *dst, char *src) {while (*src) *dst++ = *src++;}
+// simple string functions
 
-//extern inline int strlen(char *src) { int i = 0; while (*src++) i++; return i;}
-
-static inline size_t strnlen(const char *src, size_t max) 
-{ 
+static inline size_t strnlen(const char *src, size_t max)
+{
        size_t i = 0;
        while((*src++) && (i < max)) {
                i++;
@@ -28,10 +32,109 @@ 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;
+}
+
+#if !defined(__PRE_RAM__)
+static inline char *strdup(const char *s)
+{
+       size_t sz = strlen(s) + 1;
+       char *d = malloc(sz);
+       memcpy(d, s, sz);
+       return d;
+}
+#endif
+
+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 strncmp(const char *s1, const char *s2, int maxlen)
+{
+       int i;
+
+       for (i = 0; i < maxlen; i++) {
+               if (s1[i] != s2[i])
+                       return s1[i] - s2[i];
+       }
 
-extern int sprintf(char * buf, const char *fmt, ...);
+       return 0;
+}
+
+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 isupper(int c)
+{
+       return (c >= 'A' && c <= 'Z');
+}
+
+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;
+}
+
+static inline int tolower(int c)
+{
+        if (isupper(c))
+                c -= 'A'-'a';
+        return c;
+}
 #endif /* STRING_H */