integrated new configuration system

[palacios.git] / palacios / src / palacios / vmm_string.c

diff --git a/palacios/src/palacios/vmm_string.c b/palacios/src/palacios/vmm_string.c
index c286a6d..effaf32 100644 (file)
--- a/palacios/src/palacios/vmm_string.c
+++ b/palacios/src/palacios/vmm_string.c
@@ -68,6 +68,18 @@ void * memcpy(void * dst, const void * src, size_t n) {
 }
 #endif
 
+#ifdef CONFIG_BUILT_IN_MEMMOVE
+void * memmove(void * dst, const void * src, size_t n) {
+    uint8_t * tmp = (uint8_t *)V3_Malloc(n);
+    
+    memcpy(tmp, src, n);
+    memcpy(dst, tmp, n);
+    
+    V3_Free(tmp);
+    return dst;
+}
+#endif
+
 
 #ifdef CONFIG_BUILT_IN_MEMCMP
 int memcmp(const void * s1_, const void * s2_, size_t n) {
@@ -140,6 +152,22 @@ int strcmp(const char * s1, const char * s2) {
 }
 #endif
 
+#ifdef CONFIG_BUILT_IN_STRCASECMP
+int strcasecmp(const char * s1, const char * s2) {
+    while (1) {
+       int cmp = (tolower(*s1) - tolower(*s2));
+
+       if ((cmp != 0) || (*s1 == '\0') || (*s2 == '\0')) {
+           return cmp;
+       }
+
+       ++s1;
+       ++s2;
+    }
+}
+
+#endif
+
 
 #ifdef CONFIG_BUILT_IN_STRNCMP
 int strncmp(const char * s1, const char * s2, size_t limit) {
@@ -162,6 +190,26 @@ int strncmp(const char * s1, const char * s2, size_t limit) {
 }
 #endif
 
+#ifdef CONFIG_BUILT_IN_STRNCASECMP
+int strncasecmp(const char * s1, const char * s2, size_t limit) {
+    size_t i = 0;
+
+    while (i < limit) {
+       int cmp = (tolower(*s1) - tolower(*s2));
+
+       if ((cmp != 0) || (*s1 == '\0') || (*s2 == '\0')) {
+           return cmp;
+       }
+
+       ++s1;
+       ++s2;
+       ++i;
+    }
+
+    return 0;
+}
+#endif
+
 
 #ifdef CONFIG_BUILT_IN_STRCAT
 char * strcat(char * s1, const char * s2) {
@@ -261,6 +309,76 @@ int atoi(const char * buf) {
 #endif
 
 
+int strtoi(const char * nptr, char ** endptr) {
+    int ret = 0;
+    char * buf = (char *)nptr;
+
+    while ((*buf >= '0') && (*buf <= '9')) {
+       ret *= 10;
+       ret += (*buf - '0');
+
+       buf++;
+
+       if (endptr) {
+           *endptr = buf;
+       }
+    }
+
+    return ret;
+}
+
+uint64_t atox(const char * buf) {
+    uint64_t ret = 0;
+
+    if (*(buf + 1) == 'x') {
+       buf += 2;
+    }
+
+    while (isxdigit(*buf)) {
+       ret <<= 4;
+       
+       if (isdigit(*buf)) {
+           ret += (*buf - '0');
+       } else {
+           ret += tolower(*buf) - 'a' + 10;
+       }
+
+       buf++;
+    }
+
+    return ret;
+}
+
+uint64_t strtox(const char * nptr, char ** endptr) {
+    uint64_t ret = 0;
+    char * buf = (char *)nptr;
+
+    if (*(buf + 1) == 'x') {
+       buf += 2;
+    }
+
+    while (isxdigit(*buf)) {
+       ret <<= 4;
+       
+       if (isdigit(*buf)) {
+           ret += (*buf - '0');
+       } else {
+           ret += tolower(*buf) - 'a' + 10;
+       }
+
+       buf++;
+
+       if (endptr) {
+           *endptr = buf;
+       }
+    }
+
+    return ret;
+
+}
+
+
+
 #ifdef CONFIG_BUILT_IN_STRCHR
 char * strchr(const char * s, int c) {
     while (*s != '\0') {
@@ -307,3 +425,87 @@ char * strpbrk(const char * s, const char * accept) {
 }
 #endif
 
+#ifdef CONFIG_BUILT_IN_STRSPN
+size_t strspn(const char * s, const char * accept) {
+    int match = 1;
+    int cnt = 0;
+    int i = 0;
+    int accept_len = strlen(accept);
+
+    while (match) {
+       match = 0;
+
+       for (i = 0; i < accept_len; i++) {
+           if (s[cnt] == accept[i]) {
+               match = 1;
+               cnt++;
+               break;
+           }
+       }
+    }
+
+    return cnt;
+}
+#endif
+
+
+#ifdef CONFIG_BUILT_IN_STRCSPN
+size_t strcspn(const char * s, const char * reject) {
+    int match = 0;
+    int cnt = 0;
+    int i = 0;
+    int reject_len = strlen(reject);
+
+    while (!match) {
+       for (i = 0; i < reject_len; i++) {
+           if (s[cnt] == reject[i]) {
+               match = 1;
+               cnt++;
+               break;
+           }
+       }
+    }
+
+    return cnt;
+}
+#endif
+
+
+#ifdef CONFIG_BUILT_IN_STRSTR
+char *strstr(const char *haystack, const char *needle)
+{
+        int l1, l2;
+
+        l2 = strlen(s2);
+        if (!l2)
+                return (char *)s1;
+        l1 = strlen(s1);
+        while (l1 >= l2) {
+                l1--;
+                if (!memcmp(s1, s2, l2))
+                        return (char *)s1;
+                s1++;
+        }
+        return NULL;
+}
+#endif
+
+
+void str_tolower(char * s) {
+    while (isalpha(*s)) {
+       if (!islower(*s)) {
+           *s = tolower(*s);
+       }
+       s++;
+    }
+}
+
+
+void str_toupper(char * s) {
+    while (isalpha(*s)) {
+       if (!isupper(*s)) {
+           *s = toupper(*s);
+       }
+       s++;
+    }
+}