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src/java.desktop/unix/native/libsplashscreen/splashscreen_sys.c

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*** 800,806 **** --- 800,852 ---- SPLASHEXPORT char* SplashGetScaledImageName(const char* jarName, const char* fileName, float *scaleFactor) { *scaleFactor = 1; + #ifndef __linux__ + return NULL; + #endif + *scaleFactor = getNativeScaleFactor(); + if (*scaleFactor == 2.0) { + char *scaledImgName = NULL; + size_t length = 0; + char *stringToAppend = ".java-scale2x"; + char *dupFileName = strdup(fileName); + char *fileExtension = strrchr(dupFileName, '.'); + if (fileExtension == NULL) { + length = strlen(dupFileName) + strlen(stringToAppend) + 1; + scaledImgName = SAFE_SIZE_ARRAY_ALLOC(malloc, length, sizeof (char)); + int retVal = snprintf(scaledImgName, length, "%s%s", + dupFileName, stringToAppend); + if(retVal < 0 || (retVal != length - 1)) { + free(scaledImgName); + free(dupFileName); + *scaleFactor = 1; + return NULL; + } + } else { + int length_without_ext = fileExtension - dupFileName; + length = length_without_ext + + strlen(stringToAppend) + strlen(fileExtension) + 1; + scaledImgName = SAFE_SIZE_ARRAY_ALLOC(malloc, length, sizeof (char)); + int retVal = snprintf(scaledImgName, length, "%.*s%s%s", + length_without_ext, dupFileName, stringToAppend, fileExtension); + if(retVal < 0 || retVal != length - 1) { + free(scaledImgName); + free(dupFileName); + *scaleFactor = 1; + return NULL; + } + } + free(dupFileName); + FILE *fp; + if (!(fp = fopen(scaledImgName, "r"))) { + *scaleFactor = 1; + free(scaledImgName); + return NULL; + } + fclose(fp); + return scaledImgName; + } return NULL; } +
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