From 90781369cbc2a87917f9a0318121cccffc3a40cd Mon Sep 17 00:00:00 2001 From: Kostas Nakos Date: Sun, 20 Jul 2008 16:55:51 +0000 Subject: modified patch #1882942 - optimize and kill code for really old platforms svn-id: r33141 --- backends/platform/wince/missing/missing.cpp | 383 ++-------------------------- 1 file changed, 27 insertions(+), 356 deletions(-) (limited to 'backends/platform') diff --git a/backends/platform/wince/missing/missing.cpp b/backends/platform/wince/missing/missing.cpp index 8574e93f92..228df03287 100644 --- a/backends/platform/wince/missing/missing.cpp +++ b/backends/platform/wince/missing/missing.cpp @@ -40,11 +40,21 @@ char *strdup(const char *strSource); void *bsearch(const void *key, const void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *)) { - size_t i; + // Perform binary search + size_t lo = 0; + size_t hi = nmemb; + while (lo < hi) { + size_t mid = (lo + hi) / 2; + const void *p = ((const char *)base) + mid * size; + int tmp = (*compar)(key, p); + if (tmp < 0) + hi = mid; + else if (tmp > 0) + lo = mid + 1; + else + return (void *)p; + } - for (i=0; i= 'A' && c <= 'Z') || - (c >= 'a' && c <= 'z') || - (c >= '0' && c <= '9')); -} - -char *_strdup(const char *strSource) -#else char *strdup(const char *strSource) -#endif { char* buffer; - buffer = (char*)malloc(strlen(strSource)+1); + size_z len = strlen(strSource)+1; + buffer = (char*)malloc(len); if (buffer) - strcpy(buffer, strSource); + memcpy(buffer, strSource, len); return buffer; } -/* Very limited implementation of sys/time.h */ -void usleep(long usec) -{ - long msec = usec/1000; - if (msec <= 0) - Sleep(0); - else - Sleep(msec); -} - -/* This may provide for better sync mechanism */ -unsigned int clock() -{ - return GetTickCount(); -} - -/* And why do people use this? */ -#if _WIN32_WCE >= 300 -void abort() -{ - exit(1); -} -#endif - -/* -IMHO, no project should use this one, it is not portable at all. This implementation -at least allows some projects to work. -*/ -char* getenv(char* name) -{ - static char buffer[MAX_PATH+1]; - if (strcmp(name, "HOME") == 0 || strcmp(name, "HOMEDIR") == 0) - { - getcwd(buffer, MAX_PATH); - return buffer; - } - else - return ""; -} - -#if _WIN32_WCE < 300 || defined(_TEST_HPC_STDIO) - -void *calloc(size_t n, size_t s) { - void *result = malloc(n * s); - if (result) - memset(result, 0, n * s); - - return result; -} - -char *strpbrk(const char *s, const char *accept) { - int i; - - if (!s || !accept) - return NULL; - - for (i=0; i='0' && c <= '9'); -} - -int isprint(int c) { - return (c >= ' ' && c <= '~'); -} - -int isspace(int c) { - return (c == ' '); -} - -#endif - -#ifndef WIN32_PLATFORM_HPCPRO - - -int printf(const char *format, ...) { - // useless anyway :) - return 0; -} - -FILE *fopen(const char *path, const char *mode) { - TCHAR tempo[MAX_PATH]; - HANDLE result; - bool writeAccess = (mode[0] == 'W' || mode[0] == 'w'); - - MultiByteToWideChar(CP_ACP, 0, path, strlen(path) + 1, tempo, sizeof(tempo)); - - result = CreateFile(tempo, ( writeAccess ? GENERIC_WRITE : GENERIC_READ), 0, NULL, (writeAccess ? CREATE_ALWAYS : OPEN_EXISTING), FILE_ATTRIBUTE_NORMAL, NULL); - if (result == INVALID_HANDLE_VALUE) - return NULL; - else - return (FILE*)result; -} - -FILE * _wfopen(const TCHAR *path, const TCHAR *mode) { - HANDLE result; - bool writeAccess = (mode[0] == 'W' || mode[0] == 'w'); - result = CreateFile(path, ( writeAccess ? GENERIC_WRITE : GENERIC_READ), 0, NULL, (writeAccess ? CREATE_ALWAYS : OPEN_EXISTING), FILE_ATTRIBUTE_NORMAL, NULL); - if (result == INVALID_HANDLE_VALUE) - return NULL; - else - return (FILE*)result; -} - -FILE *_wfreopen(const TCHAR *path, const TCHAR *mode, FILE *stream) { - fclose(stream); - stream = _wfopen(path, mode); - return stream; -} - -int fclose(FILE *stream) { - CloseHandle((HANDLE)stream); - return 1; -} - -int fseek(FILE *stream, long offset, int whence) { - SetFilePointer((HANDLE)stream, offset, NULL, (whence == SEEK_CUR ? FILE_CURRENT : whence == SEEK_END ? FILE_END : FILE_BEGIN)); - return 0; -} - -long ftell(FILE *stream) { - return (SetFilePointer((HANDLE)stream, 0, NULL, FILE_CURRENT)); -} - -size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream) { - DWORD sizeWritten; - - WriteFile((HANDLE)stream, ptr, size * nmemb, &sizeWritten, NULL); - - if (size != 0) - return sizeWritten / size; - else - return 0; -} - -size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream) { - DWORD sizeRead; - - ReadFile((HANDLE)stream, ptr, size * nmemb, &sizeRead, NULL); - - if (size != 0) - return sizeRead / size; - else - return 0; -} - -int fgetc(FILE *stream) { - unsigned char c; - if (fread(&c, 1, 1, stream) != 1) - return -1; - else - return c; -} - -char *fgets(char *s, int size, FILE *stream) { - int i = 0; - char tempo[1]; - - memset(s, 0, size); - while (fread(tempo, 1, 1, stream)) { - //if (tempo[0] == '\r') - // break; - if (tempo[0] == '\r') - continue; - s[i++] = tempo[0]; - if (tempo[0] == '\n') - break; - if (i == size) - break; - } - if (!i) - return NULL; - else - return s; -} - -int feof(FILE *stream) { - DWORD fileSize; - DWORD filePos; - fileSize = GetFileSize((HANDLE)stream, NULL); - filePos = SetFilePointer((HANDLE)stream, 0, 0, FILE_CURRENT); - return (filePos == 0xFFFFFFFF || filePos > (fileSize - 1)); -} - -int ferror(FILE *stream) { - return 0; // FIXME ! -} - -int fprintf(FILE *stream, const char *format, ...) { - char buf[1024]; - va_list va; - - va_start(va, format); - vsnprintf(buf, 1024, format, va); - va_end(va); - - if (buf[strlen(buf) - 1] == '\n') { - int i = strlen(buf) - 1; - buf[i] = '\r'; - buf[i + 1] = '\n'; - buf[i + 2] = 0; - } - - return fwrite(buf, 1, strlen(buf), stream); -} - -FILE* _getstdfilex(int) { - return NULL; -} - -void clearerr(FILE *stream) { -} - -int fflush(FILE *stream) { - return 0; -} - -#endif - -int stricmp( const char *string1, const char *string2 ) { - char src[4096]; - char dest[4096]; - int i; - - for (i=0; i= 'A' && string1[i] <= 'Z') - src[i] = string1[i] + 32; - else - src[i] = string1[i]; - src[i] = 0; - - for (i=0; i= 'A' && string2[i] <= 'Z') - dest[i] = string2[i] + 32; - else - dest[i] = string2[i]; - dest[i] = 0; - - return strcmp(src, dest); -} - -char *strrchr(const char *s, int c) { - int i; - - for (i = strlen(s) - 1; i > 0; i--) - if (s[i] == c) - return (char*)(s + i); - - return NULL; -} - -long int strtol(const char *nptr, char **endptr, int base) { - // not correct but that's all we are using - - long int result; - sscanf(nptr, "%ld", &result); - return result; -} - - -#endif - - // gcc build only functions follow #else // defined(__GNUC__) #ifndef __MINGW32CE__ -int islower(int c) -{ +int islower(int c) { return (c>='a' && c<='z'); } -int isspace(int c) -{ +int isspace(int c) { return (c==' ' || c=='\f' || c=='\n' || c=='\r' || c=='\t' || c=='\v'); } -int isalpha(int c) -{ - return (islower(c) || (c>='A' && c<='Z')); -} - -int isalnum(int c) -{ - return (isalpha(c) || (c>='0' && c<='9')); +int isalpha(int c) { + return ((c>='a' && c<='z') || (c>='A' && c<='Z')); } -int isprint(int c) -{ - static char punct[] = "!\"#%&'();<=>?[\\]*+,-./:^_{|}~"; - int i = 0, flag = 0; - while ((punct[i] != 0) && (flag = (punct[i] != c))) - i++; - return (isalnum(c) || flag); +int isalnum(int c) { + return ((c>='a' && c<='z') || (c>='A' && c<='Z') || (c>='0' && c<='9')); } -extern "C" int atexit(void (*function)(void)) -{ - return 0; +int isprint(int c) { + //static const char punct[] = "!\"#%&'();<=>?[\\]*+,-./:^_{|}~"; + //return (isalnum(c) || strchr(punct, c)); + return (32 <= c && c <= 126); // based on BSD manpage } #endif -- cgit v1.2.3