diff options
Diffstat (limited to 'src/fileio.cpp')
-rw-r--r-- | src/fileio.cpp | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/fileio.cpp b/src/fileio.cpp index 9ffa10777..dcaa8309e 100644 --- a/src/fileio.cpp +++ b/src/fileio.cpp @@ -448,16 +448,21 @@ void FioCreateDirectory(const char *name) * It does not add the path separator to zero-sized strings. * @param buf string to append the separator to * @param buflen the length of the buf + * @return true iff the operation succeeded */ -void AppendPathSeparator(char *buf, size_t buflen) +bool AppendPathSeparator(char *buf, size_t buflen) { size_t s = strlen(buf); /* Length of string + path separator + '\0' */ - if (s != 0 && buf[s - 1] != PATHSEPCHAR && s + 2 < buflen) { + if (s != 0 && buf[s - 1] != PATHSEPCHAR) { + if (s + 2 >= buflen) return false; + buf[s] = PATHSEPCHAR; buf[s + 1] = '\0'; } + + return true; } /** @@ -1109,7 +1114,7 @@ static uint ScanPath(FileScanner *fs, const char *extension, const char *path, s /* Directory */ if (!recursive) continue; if (strcmp(d_name, ".") == 0 || strcmp(d_name, "..") == 0) continue; - AppendPathSeparator(filename, lengthof(filename)); + if (!AppendPathSeparator(filename, lengthof(filename))) continue; num += ScanPath(fs, extension, filename, basepath_length, recursive); } else if (S_ISREG(sb.st_mode)) { /* File */ @@ -1196,6 +1201,6 @@ uint FileScanner::Scan(const char *extension, const char *directory, bool recurs { char path[MAX_PATH]; strecpy(path, directory, lastof(path)); - AppendPathSeparator(path, lengthof(path)); + if (!AppendPathSeparator(path, lengthof(path))) return 0; return ScanPath(this, extension, path, strlen(path), recursive); } |