JezK
Edit File: Support.cpp
#include <unistd.h> #include "Support.h" namespace Test { string readAll(int fd) { string result; char buf[1024 * 32]; ssize_t ret; while (true) { do { ret = read(fd, buf, sizeof(buf)); } while (ret == -1 && errno == EINTR); if (ret == 0) { break; } else if (ret == -1) { throw SystemException("Cannot read from socket", errno); } else { result.append(buf, ret); } } return result; } string replaceString(const string &str, const string &toFind, const string &replaceWith) { string::size_type pos = str.find(toFind); if (pos == string::npos) { return str; } else { string result(str); return result.replace(pos, toFind.size(), replaceWith); } } void replaceStringInFile(const char *filename, const string &toFind, const string &replaceWith) { FILE *f = fopen(filename, "r"); if (f == NULL) { int e = errno; string message = "Cannot open file '"; message.append(filename); message.append("' for reading"); throw FileSystemException(message, e, filename); } string content(readAll(fileno(f))); fclose(f); f = fopen(filename, "w"); if (f == NULL) { int e = errno; string message = "Cannot open file '"; message.append(filename); message.append("' for writing"); throw FileSystemException(message, e, filename); } content = replaceString(content, toFind, replaceWith); fwrite(content.data(), 1, content.size(), f); fclose(f); } void touchFile(const char *filename, time_t timestamp) { FILE *f = fopen(filename, "a"); if (f != NULL) { fclose(f); } else if (errno != EISDIR) { int e = errno; string message = "Cannot touch file '"; message.append(filename); message.append("'"); throw FileSystemException(message, e, filename); } if (timestamp != (time_t) -1) { struct utimbuf times; times.actime = timestamp; times.modtime = timestamp; utime(filename, ×); } } } // namespace Test