Cleanup of linkage issues for non-Linux hosts

[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 9160e41..7950934 100644 (file)
--- a/palacios/src/palacios/vmm_string.c
+++ b/palacios/src/palacios/vmm_string.c
@@ -41,7 +41,7 @@
 #include <palacios/vmm.h>
 
 
-#ifdef CONFIG_BUILT_IN_MEMSET
+#ifdef V3_CONFIG_BUILT_IN_MEMSET
 void * memset(void * s, int c, size_t n) {
     uchar_t * p = (uchar_t *) s;
 
@@ -54,7 +54,7 @@ void * memset(void * s, int c, size_t n) {
 }
 #endif
 
-#ifdef CONFIG_BUILT_IN_MEMCPY
+#ifdef V3_CONFIG_BUILT_IN_MEMCPY
 void * memcpy(void * dst, const void * src, size_t n) {
     uchar_t * d = (uchar_t *) dst;
     const uchar_t * s = (const uchar_t *)src;
@@ -68,9 +68,14 @@ void * memcpy(void * dst, const void * src, size_t n) {
 }
 #endif
 
-#ifdef CONFIG_BUILT_IN_MEMMOVE
+#ifdef V3_CONFIG_BUILT_IN_MEMMOVE
 void * memmove(void * dst, const void * src, size_t n) {
     uint8_t * tmp = (uint8_t *)V3_Malloc(n);
+
+    if (!tmp) {
+       PrintError(info->vm_info, info, "Cannot allocate in built-in memmove\n");
+       return NULL;
+    }
     
     memcpy(tmp, src, n);
     memcpy(dst, tmp, n);
@@ -81,7 +86,7 @@ void * memmove(void * dst, const void * src, size_t n) {
 #endif
 
 
-#ifdef CONFIG_BUILT_IN_MEMCMP
+#ifdef V3_CONFIG_BUILT_IN_MEMCMP
 int memcmp(const void * s1_, const void * s2_, size_t n) {
     const char * s1 = s1_;
     const char * s2 = s2_;
@@ -102,7 +107,7 @@ int memcmp(const void * s1_, const void * s2_, size_t n) {
 #endif
 
 
-#ifdef CONFIG_BUILT_IN_STRLEN
+#ifdef V3_CONFIG_BUILT_IN_STRLEN
 size_t strlen(const char * s) {
     size_t len = 0;
 
@@ -116,7 +121,7 @@ size_t strlen(const char * s) {
 
 
 
-#ifdef CONFIG_BUILT_IN_STRNLEN
+#ifdef V3_CONFIG_BUILT_IN_STRNLEN
 /*
  * This it a GNU extension.
  * It is like strlen(), but it will check at most maxlen
@@ -137,7 +142,7 @@ size_t strnlen(const char * s, size_t maxlen) {
 #endif
 
 
-#ifdef CONFIG_BUILT_IN_STRCMP
+#ifdef V3_CONFIG_BUILT_IN_STRCMP
 int strcmp(const char * s1, const char * s2) {
     while (1) {
        int cmp = (*s1 - *s2);
@@ -152,8 +157,24 @@ int strcmp(const char * s1, const char * s2) {
 }
 #endif
 
+#ifdef V3_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
+#ifdef V3_CONFIG_BUILT_IN_STRNCMP
 int strncmp(const char * s1, const char * s2, size_t limit) {
     size_t i = 0;
 
@@ -174,8 +195,28 @@ int strncmp(const char * s1, const char * s2, size_t limit) {
 }
 #endif
 
+#ifdef V3_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;
+       }
 
-#ifdef CONFIG_BUILT_IN_STRCAT
+       ++s1;
+       ++s2;
+       ++i;
+    }
+
+    return 0;
+}
+#endif
+
+
+#ifdef V3_CONFIG_BUILT_IN_STRCAT
 char * strcat(char * s1, const char * s2) {
     char * t1 = s1;
 
@@ -189,7 +230,7 @@ char * strcat(char * s1, const char * s2) {
 #endif
 
 
-#ifdef CONFIG_BUILT_IN_STRNCAT
+#ifdef V3_CONFIG_BUILT_IN_STRNCAT
 char * strncat(char * s1, const char * s2, size_t limit) {
     size_t i = 0;
     char * t1;
@@ -211,7 +252,7 @@ char * strncat(char * s1, const char * s2, size_t limit) {
 
 
 
-#ifdef CONFIG_BUILT_IN_STRCPY
+#ifdef V3_CONFIG_BUILT_IN_STRCPY
 char * strcpy(char * dest, const char * src)
 {
     char *ret = dest;
@@ -226,7 +267,7 @@ char * strcpy(char * dest, const char * src)
 #endif
 
 
-#ifdef CONFIG_BUILT_IN_STRNCPY
+#ifdef V3_CONFIG_BUILT_IN_STRNCPY
 char * strncpy(char * dest, const char * src, size_t limit) {
     char * ret = dest;
 
@@ -244,11 +285,17 @@ char * strncpy(char * dest, const char * src, size_t limit) {
 
 
 
-#ifdef  CONFIG_BUILT_IN_STRDUP
+#ifdef  V3_CONFIG_BUILT_IN_STRDUP
 char * strdup(const char * s1) {
     char *ret;
 
     ret = V3_Malloc(strlen(s1) + 1);
+
+    if (!ret) {
+        PrintError(VM_NONE, VCORE_NONE, "Cannot allocate in built-in strdup\n");
+       return NULL;
+    }
+
     strcpy(ret, s1);
 
     return ret;
@@ -258,7 +305,7 @@ char * strdup(const char * s1) {
 
 
 
-#ifdef CONFIG_BUILT_IN_ATOI
+#ifdef V3_CONFIG_BUILT_IN_ATOI
 int atoi(const char * buf) {
     int ret = 0;
 
@@ -273,6 +320,7 @@ int atoi(const char * buf) {
 #endif
 
 
+#ifdef V3_CONFIG_BUILT_IN_STRTOI
 int strtoi(const char * nptr, char ** endptr) {
     int ret = 0;
     char * buf = (char *)nptr;
@@ -290,10 +338,16 @@ int strtoi(const char * nptr, char ** endptr) {
 
     return ret;
 }
+#endif
 
+#ifdef V3_CONFIG_BUILT_IN_ATOX
 uint64_t atox(const char * buf) {
     uint64_t ret = 0;
 
+    if (*(buf + 1) == 'x') {
+       buf += 2;
+    }
+
     while (isxdigit(*buf)) {
        ret <<= 4;
        
@@ -308,11 +362,17 @@ uint64_t atox(const char * buf) {
 
     return ret;
 }
+#endif
 
+#ifdef V3_CONFIG_BUILT_IN_STRTOX
 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;
        
@@ -332,10 +392,10 @@ uint64_t strtox(const char * nptr, char ** endptr) {
     return ret;
 
 }
+#endif
 
 
-
-#ifdef CONFIG_BUILT_IN_STRCHR
+#ifdef V3_CONFIG_BUILT_IN_STRCHR
 char * strchr(const char * s, int c) {
     while (*s != '\0') {
        if (*s == c)
@@ -347,7 +407,7 @@ char * strchr(const char * s, int c) {
 #endif
 
 
-#ifdef CONFIG_BUILT_IN_STRRCHR
+#ifdef V3_CONFIG_BUILT_IN_STRRCHR
 char * strrchr(const char * s, int c) {
     size_t len = strlen(s);
     const char * p = s + len;
@@ -363,7 +423,7 @@ char * strrchr(const char * s, int c) {
 }
 #endif
 
-#ifdef CONFIG_BUILT_IN_STRPBRK
+#ifdef V3_CONFIG_BUILT_IN_STRPBRK
 char * strpbrk(const char * s, const char * accept) {
     size_t setLen = strlen(accept);
 
@@ -381,7 +441,7 @@ char * strpbrk(const char * s, const char * accept) {
 }
 #endif
 
-#ifdef CONFIG_BUILT_IN_STRSPN
+#ifdef V3_CONFIG_BUILT_IN_STRSPN
 size_t strspn(const char * s, const char * accept) {
     int match = 1;
     int cnt = 0;
@@ -405,7 +465,7 @@ size_t strspn(const char * s, const char * accept) {
 #endif
 
 
-#ifdef CONFIG_BUILT_IN_STRCSPN
+#ifdef V3_CONFIG_BUILT_IN_STRCSPN
 size_t strcspn(const char * s, const char * reject) {
     int match = 0;
     int cnt = 0;
@@ -416,10 +476,14 @@ size_t strcspn(const char * s, const char * reject) {
        for (i = 0; i < reject_len; i++) {
            if (s[cnt] == reject[i]) {
                match = 1;
-               cnt++;
                break;
            }
        }
+
+       if (!match) {
+           cnt++;
+       }
+
     }
 
     return cnt;
@@ -427,7 +491,7 @@ size_t strcspn(const char * s, const char * reject) {
 #endif
 
 
-#ifdef CONFIG_BUILT_IN_STRSTR
+#ifdef V3_CONFIG_BUILT_IN_STRSTR
 char *strstr(const char *haystack, const char *needle)
 {
         int l1, l2;
@@ -445,3 +509,25 @@ char *strstr(const char *haystack, const char *needle)
         return NULL;
 }
 #endif
+
+#ifdef V3_CONFIG_BUILT_IN_STR_TOLOWER
+void str_tolower(char * s) {
+    while (isalpha(*s)) {
+       if (!islower(*s)) {
+           *s = tolower(*s);
+       }
+       s++;
+    }
+}
+#endif
+
+#ifdef V3_CONFIG_BUILT_IN_STR_TOUPPER
+void str_toupper(char * s) {
+    while (isalpha(*s)) {
+       if (!isupper(*s)) {
+           *s = toupper(*s);
+       }
+       s++;
+    }
+}
+#endif