diff options
| -rw-r--r-- | src/microtar.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/microtar.c b/src/microtar.c index eaf4f34..e060637 100644 --- a/src/microtar.c +++ b/src/microtar.c @@ -570,6 +570,14 @@ int mtar_update_header(mtar_t* tar, const mtar_header_t* h) int mtar_write_file_header(mtar_t* tar, const char* name, unsigned size) { +#ifndef MICROTAR_DISABLE_API_CHECKS + if(tar->access != MTAR_WRITE) + return MTAR_EACCESS; + if(((tar->state & S_WROTE_DATA) && !(tar->state & S_WROTE_DATA_EOF)) || + (tar->state & S_WROTE_FINALIZE)) + return MTAR_EAPI; +#endif + size_t namelen = strlen(name); if(namelen > NAME_LEN) return MTAR_ENAMETOOLONG; @@ -588,6 +596,14 @@ int mtar_write_file_header(mtar_t* tar, const char* name, unsigned size) int mtar_write_dir_header(mtar_t* tar, const char* name) { +#ifndef MICROTAR_DISABLE_API_CHECKS + if(tar->access != MTAR_WRITE) + return MTAR_EACCESS; + if(((tar->state & S_WROTE_DATA) && !(tar->state & S_WROTE_DATA_EOF)) || + (tar->state & S_WROTE_FINALIZE)) + return MTAR_EAPI; +#endif + size_t namelen = strlen(name); if(namelen > NAME_LEN) return MTAR_ENAMETOOLONG; |