struct pipeline *textOutInit(char *fileName, char *compressType) /* Set up stdout to be HTTP text, file (if fileName is specified), or * compressed file (if both fileName and compressType are specified -- * see textOut.h for supported compression types). * Return NULL if no compression, otherwise a pipeline handle on which * textOutClose should be called when we're done writing stdout. */ { struct pipeline *compressPipeline = NULL; trimSpaces(fileName); if (isEmpty(fileName)) { printf("Content-Type: text/plain\n\n"); } else if (isEmpty(compressType) || sameWord(compressType, textOutCompressNone)) { printf("Content-Type: application/octet-stream\n"); printf("Content-Disposition: attachment; filename=%s\n\n", fileName); } else { char *suffix = getCompressSuffix(compressType); printf("Content-Type: application/x-%s\n", compressType); if (endsWith(fileName, suffix)) printf("Content-Disposition: attachment; filename=%s\n\n", fileName); else printf("Content-Disposition: attachment; filename=%s%s\n\n", fileName, suffix); /* Send the Content header uncompressed! */ fflush(stdout); /* Make sure no environment variables interfere with compressor. */ cleanEnvVars(compressType); /* Redirect stdout to compressor pipeline object. */ compressPipeline = pipelineOpen1(getCompressor(compressType), pipelineWrite, NULL, NULL); if (-1 == dup2(pipelineFd(compressPipeline), STDOUT_FILENO)) errnoAbort("dup2(pipelineFd %d, stdout %d) failed in textOpen()", pipelineFd(compressPipeline), STDOUT_FILENO); } pushWarnHandler(textOutWarnHandler); pushAbortHandler(textOutAbortHandler); return(compressPipeline); }
struct pipeline *textOutInit(char *fileName, char *compressType, int *saveStdout) /* Set up stdout to be HTTP text, file (if fileName is specified), or * compressed file (if both fileName and compressType are specified -- * see textOut.h for supported compression types). * Return NULL if no compression, otherwise a pipeline handle on which * textOutClose should be called when we're done writing stdout. */ { struct pipeline *compressPipeline = NULL; // if path contains a slash, we are outputting to a local file boolean outToFile = (strchr(fileName, '/') != NULL); if (outToFile) { FILE *f; f = fopen(fileName, "w"); /* We want to capture stdout output to a file */ fflush(stdout); int tempOut = dup(STDOUT_FILENO); if (saveStdout) *saveStdout = tempOut; dup2(fileno(f),STDOUT_FILENO); /* closes STDOUT before setting it again */ fclose(f); } trimSpaces(fileName); if (isEmpty(fileName)) { printf("Content-Type: text/plain\n\n"); } else if (isEmpty(compressType) || sameWord(compressType, textOutCompressNone)) { if (!outToFile) { printf("Content-Type: application/octet-stream\n"); printf("Content-Disposition: attachment; filename=%s\n\n", fileName); } } else { if (!outToFile) { char *suffix = getCompressSuffix(compressType); printf("Content-Type: application/x-%s\n", compressType); if (endsWith(fileName, suffix)) printf("Content-Disposition: attachment; filename=%s\n\n", fileName); else printf("Content-Disposition: attachment; filename=%s%s\n\n", fileName, suffix); /* Send the Content header uncompressed! */ fflush(stdout); } /* Make sure no environment variables interfere with compressor. */ cleanEnvVars(compressType); /* Redirect stdout to compressor pipeline object. */ compressPipeline = pipelineOpen1(getCompressor(compressType), pipelineWrite, NULL, NULL); if (-1 == dup2(pipelineFd(compressPipeline), STDOUT_FILENO)) errnoAbort("dup2(pipelineFd %d, stdout %d) failed in textOpen()", pipelineFd(compressPipeline), STDOUT_FILENO); } pushWarnHandler(textOutWarnHandler); pushAbortHandler(textOutAbortHandler); return(compressPipeline); }