diff options
Diffstat (limited to 'src/tool_cb_wrt.c')
-rw-r--r-- | src/tool_cb_wrt.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/src/tool_cb_wrt.c b/src/tool_cb_wrt.c index ed108911e..8e9ee55aa 100644 --- a/src/tool_cb_wrt.c +++ b/src/tool_cb_wrt.c @@ -21,6 +21,11 @@ ***************************************************************************/ #include "tool_setup.h" +#ifdef HAVE_FCNTL_H +/* for open() */ +#include <fcntl.h> +#endif + #define ENABLE_CURLX_PRINTF /* use our own printf() functions */ #include "curlx.h" @@ -37,7 +42,7 @@ bool tool_create_output_file(struct OutStruct *outs, struct OperationConfig *config) { struct GlobalConfig *global; - FILE *file; + FILE *file = NULL; DEBUGASSERT(outs); DEBUGASSERT(config); global = config->global; @@ -48,17 +53,14 @@ bool tool_create_output_file(struct OutStruct *outs, if(outs->is_cd_filename) { /* don't overwrite existing files */ - file = fopen(outs->filename, "rb"); - if(file) { - fclose(file); - warnf(global, "Refusing to overwrite %s: %s\n", outs->filename, - strerror(EEXIST)); - return FALSE; - } + int fd = open(outs->filename, O_CREAT | O_WRONLY | O_EXCL, 0666); + if(fd != -1) + file = fdopen(fd, "wb"); } + else + /* open file for writing */ + file = fopen(outs->filename, "wb"); - /* open file for writing */ - file = fopen(outs->filename, "wb"); if(!file) { warnf(global, "Failed to create the file %s: %s\n", outs->filename, strerror(errno)); |