X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_string.c;h=effaf32a6580d5f74201c35310a0ac08f514597c;hb=888c2dd8a3914f9a08e2b0e006ff96c5cc5cd792;hp=c286a6dc6c734cdc6784d62c8c5bb92e471868b9;hpb=2201970a66ded078c9228c9e4053189a00f0a882;p=palacios.git diff --git a/palacios/src/palacios/vmm_string.c b/palacios/src/palacios/vmm_string.c index c286a6d..effaf32 100644 --- 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++; + } +}