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- /*!
- * \file include/utils/strings.h
- * \brief String handling utilities
- *
- * \author xythobuz
- * \author Mongoose
- */
-
- #include <cstdlib>
- #include <stdio.h>
- #include <string.h>
- #include <assert.h>
-
- #if defined(unix) || defined(__APPLE__)
- #include <wordexp.h>
- #endif
-
- #include "utils/strings.h"
-
- void printStringVector(std::vector<char *> *args) {
- printf("(");
- for (std::vector<char *>::size_type i = 0; i < args->size(); i++) {
- printf("%s", args->at(i));
- if (i < (args->size() - 1))
- printf(" ");
- }
- printf(")");
- }
-
- bool stringEndsWith(const char *str, const char *suffix) {
- assert(str != NULL);
- assert(suffix != NULL);
-
- size_t lenstr = strlen(str);
- size_t lensuffix = strlen(suffix);
-
- if (lensuffix > lenstr)
- return false;
-
- return strncmp(str + lenstr - lensuffix, suffix, lensuffix) == 0;
- }
-
- char *bufferString(const char *string, va_list args) {
- int sz = 60;
- int n;
- char *text;
-
- assert(string != NULL);
- assert(string[0] != '\0');
-
- text = new char[sz];
-
- n = vsnprintf(text, sz, string, args);
-
- if (n < 0) {
- delete [] text;
- return NULL; // encoding error
- } else if (n >= sz) {
- sz = n + 1; // buffer too small
- delete [] text;
- text = new char[sz];
- n = vsnprintf(text, sz, string, args);
- }
-
- return text;
- }
-
- char *bufferString(const char *string, ...) {
- va_list args;
- va_start(args, string);
- char *text = bufferString(string, args);
- va_end(args);
- return text;
- }
-
- char *fullPath(const char *path, char end) {
- unsigned int lenPath, offset;
- wordexp_t word;
- char *dir;
-
- assert(path != NULL);
- assert(path[0] != '\0');
-
- if (path[0] == '~') {
- #if defined(unix) || defined(__APPLE__)
-
- #ifdef __APPLE__
- // Workaround for Mac OS X. See:
- // http://stackoverflow.com/questions/20534788/why-does-wordexp-fail-with-wrde-syntax-on-os-x
- signal(SIGCHLD, SIG_DFL);
- #endif
-
- // Expand string into segments
- int res = wordexp(path, &word, 0);
-
- #ifdef __APPLE__
- signal(SIGCHLD, SIG_IGN);
- #endif
-
- if (res != 0) {
- printf("fullPath> wordexp() failed: %d\n", res);
- return NULL;
- }
-
- // Get length of complete string
- lenPath = 0;
- for (unsigned int i = 0; i < word.we_wordc; i++) {
- lenPath += strlen(word.we_wordv[i]);
- }
-
- // Allocate new string
- dir = new char[lenPath + 2]; // space for end char
-
- // Copy segments into new string
- offset = 0;
- for (unsigned int i = 0; i < word.we_wordc; i++) {
- unsigned int len = strlen(word.we_wordv[i]);
- strncpy(dir + offset, word.we_wordv[i], len);
- offset += len;
- }
-
- wordfree(&word);
- #else
- printf("WARNING: Tilde expansion not supported on this platform:\n\t%s\n", path);
- lenPath = strlen(path);
- dir = new char[lenPath + 2]; // space for end char
- strncpy(dir, path, lenPath);
- #endif
- } else {
- lenPath = strlen(path);
- dir = new char[lenPath + 2]; // space for end char
- strncpy(dir, path, lenPath);
- }
-
- // Make sure ends in "end" char
- if ((lenPath > 0) && (end != 0) && (dir[lenPath - 1] != end)) {
- dir[lenPath] = end;
- dir[lenPath + 1] = 0;
- } else {
- dir[lenPath] = 0;
- }
-
- return dir;
- }
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