mirror of https://github.com/gungwald/copy.git
95 lines
2.0 KiB
C
95 lines
2.0 KiB
C
#include <stdio.h> /* fopen, fread, fwrite, fclose */
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#include <stdbool.h>
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#include <stdlib.h> /* atexit */
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#include <string.h>
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#include "libgen.h" /* basename */
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#include "prodos.h"
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#include "prodosext.h"
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#include "cui.h"
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#define BF_SIZ 2048
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void cleanup(void);
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FILE *openFile(const char *name, const char *mode);
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void closeFile(FILE *f, const char *name);
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void concatPath(char *dest, const char *src);
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char srcName[PRODOS_PATH_MAX + 1];
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char destName[PRODOS_PATH_MAX + 1];
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FILE *src = NULL;
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FILE *dest = NULL;
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struct GetFileInfoParams srcInfo;
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struct GetFileInfoParams destInfo;
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size_t n;
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char buf[BF_SIZ];
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size_t bytesRead;
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void main(void)
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{
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atexit(cleanup);
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if (! inputFileName("Source file or directory:", srcName,
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sizeof(srcName), &srcInfo))
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return;
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if (! inputFileName("Destination file or directory:", destName,
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sizeof(destName), &destInfo))
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return;
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src = openFile(srcName, "r");
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if (isDirectory(&destInfo))
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concatPath(destName, basename(srcName));
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dest = openFile(destName, "w");
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while ((bytesRead = fread(buf, 1, sizeof(buf), src)) == BF_SIZ)
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if (fwrite(buf, 1, bytesRead, dest) < bytesRead) {
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perror(destName);
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break;
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}
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if (bytesRead > 0 && !feof(dest) && !ferror(dest))
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if (fwrite(buf, 1, bytesRead, dest) < bytesRead)
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perror(destName);
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cleanup();
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}
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FILE *openFile(const char *name, const char *mode)
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{
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FILE *f;
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f = fopen(name, "r");
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if (f == NULL) {
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perror(name);
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exit(EXIT_FAILURE);
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}
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return f;
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}
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void closeFile(FILE *f, const char *name)
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{
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if (f != NULL) {
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if (fclose(f) == EOF) {
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perror(name);
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}
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}
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}
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void concatPath(char *dest, const char *src)
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{
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size_t n;
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n = PRODOS_PATH_MAX - strlen(dest);
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strncat(dest, src, n);
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dest[PRODOS_PATH_MAX] = '\0';
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}
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void cleanup(void)
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{
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closeFile(dest, destName);
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closeFile(src, srcName);
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}
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