1 files changed, 0 insertions, 163 deletions
diff --git a/examples/multiple_streaming_compression.c b/examples/multiple_streaming_compression.c
deleted file mode 100644
index 61699104c40f..000000000000
--- a/examples/multiple_streaming_compression.c
+++ /dev/null
@@ -1,163 +0,0 @@
-/**
- * Copyright 2016-present, Yann Collet, Facebook, Inc.
- * All rights reserved.
- *
- * This source code is licensed under the license found in the
- * LICENSE-examples file in the root directory of this source tree.
- */
-
-
-/* The objective of this example is to show of to compress multiple successive files
-*  while preserving memory management.
-*  All structures and buffers will be created only once,
-*  and shared across all compression operations */
-
-#include <stdlib.h>    // malloc, exit
-#include <stdio.h>     // fprintf, perror, feof
-#include <string.h>    // strerror
-#include <errno.h>     // errno
-#define ZSTD_STATIC_LINKING_ONLY  // streaming API defined as "experimental" for the time being
-#include <zstd.h>      // presumes zstd library is installed
-
-
-static void* malloc_orDie(size_t size)
-{
-    void* const buff = malloc(size);
-    if (buff) return buff;
-    /* error */
-    perror("malloc:");
-    exit(1);
-}
-
-static FILE* fopen_orDie(const char *filename, const char *instruction)
-{
-    FILE* const inFile = fopen(filename, instruction);
-    if (inFile) return inFile;
-    /* error */
-    perror(filename);
-    exit(3);
-}
-
-static size_t fread_orDie(void* buffer, size_t sizeToRead, FILE* file)
-{
-    size_t const readSize = fread(buffer, 1, sizeToRead, file);
-    if (readSize == sizeToRead) return readSize;   /* good */
-    if (feof(file)) return readSize;   /* good, reached end of file */
-    /* error */
-    perror("fread");
-    exit(4);
-}
-
-static size_t fwrite_orDie(const void* buffer, size_t sizeToWrite, FILE* file)
-{
-    size_t const writtenSize = fwrite(buffer, 1, sizeToWrite, file);
-    if (writtenSize == sizeToWrite) return sizeToWrite;   /* good */
-    /* error */
-    perror("fwrite");
-    exit(5);
-}
-
-static size_t fclose_orDie(FILE* file)
-{
-    if (!fclose(file)) return 0;
-    /* error */
-    perror("fclose");
-    exit(6);
-}
-
-
-typedef struct {
-    void* buffIn;
-    void* buffOut;
-    size_t buffInSize;
-    size_t buffOutSize;
-    ZSTD_CStream* cstream;
-} resources ;
-
-static resources createResources_orDie()
-{
-    resources ress;
-    ress.buffInSize = ZSTD_CStreamInSize();   /* can always read one full block */
-    ress.buffOutSize= ZSTD_CStreamOutSize();  /* can always flush a full block */
-    ress.buffIn = malloc_orDie(ress.buffInSize);
-    ress.buffOut= malloc_orDie(ress.buffOutSize);
-    ress.cstream = ZSTD_createCStream();
-    if (ress.cstream==NULL) { fprintf(stderr, "ZSTD_createCStream() error \n"); exit(10); }
-    return ress;
-}
-
-static void freeResources(resources ress)
-{
-    ZSTD_freeCStream(ress.cstream);
-    free(ress.buffIn);
-    free(ress.buffOut);
-}
-
-
-static void compressFile_orDie(resources ress, const char* fname, const char* outName, int cLevel)
-{
-    FILE* const fin  = fopen_orDie(fname, "rb");
-    FILE* const fout = fopen_orDie(outName, "wb");
-
-    size_t const initResult = ZSTD_initCStream(ress.cstream, cLevel);
-    if (ZSTD_isError(initResult)) { fprintf(stderr, "ZSTD_initCStream() error : %s \n", ZSTD_getErrorName(initResult)); exit(11); }
-
-    size_t read, toRead = ress.buffInSize;
-    while( (read = fread_orDie(ress.buffIn, toRead, fin)) ) {
-        ZSTD_inBuffer input = { ress.buffIn, read, 0 };
-        while (input.pos < input.size) {
-            ZSTD_outBuffer output = { ress.buffOut, ress.buffOutSize, 0 };
-            toRead = ZSTD_compressStream(ress.cstream, &output , &input);   /* toRead is guaranteed to be <= ZSTD_CStreamInSize() */
-            if (ZSTD_isError(toRead)) { fprintf(stderr, "ZSTD_compressStream() error : %s \n", ZSTD_getErrorName(toRead)); exit(12); }
-            if (toRead > ress.buffInSize) toRead = ress.buffInSize;   /* Safely handle when `buffInSize` is manually changed to a smaller value */
-            fwrite_orDie(ress.buffOut, output.pos, fout);
-        }
-    }
-
-    ZSTD_outBuffer output = { ress.buffOut, ress.buffOutSize, 0 };
-    size_t const remainingToFlush = ZSTD_endStream(ress.cstream, &output);   /* close frame */
-    if (remainingToFlush) { fprintf(stderr, "not fully flushed"); exit(13); }
-    fwrite_orDie(ress.buffOut, output.pos, fout);
-
-    fclose_orDie(fout);
-    fclose_orDie(fin);
-}
-
-
-int main(int argc, const char** argv)
-{
-    const char* const exeName = argv[0];
-
-    if (argc<2) {
-        printf("wrong arguments\n");
-        printf("usage:\n");
-        printf("%s FILE(s)\n", exeName);
-        return 1;
-    }
-
-    resources const ress = createResources_orDie();
-    void* ofnBuffer = NULL;
-    size_t ofnbSize = 0;
-
-    int argNb;
-    for (argNb = 1; argNb < argc; argNb++) {
-        const char* const ifn = argv[argNb];
-        size_t const ifnSize = strlen(ifn);
-        size_t const ofnSize = ifnSize + 5;
-        if (ofnbSize <= ofnSize) {
-            ofnbSize = ofnSize + 16;
-            free(ofnBuffer);
-            ofnBuffer = malloc_orDie(ofnbSize);
-        }
-        memset(ofnBuffer, 0, ofnSize);
-        strcat(ofnBuffer, ifn);
-        strcat(ofnBuffer, ".zst");
-        compressFile_orDie(ress, ifn, ofnBuffer, 7);
-    }
-
-    freeResources(ress);
-    /* success */
-    printf("compressed %i files \n", argc-1);
-
-    return 0;
-}