2 files changed, 101 insertions, 2 deletions

diff --git a/include/xas/vox.h b/include/xas/vox.h
index c3bae65..7aa43e4 100644
--- a/include/xas/vox.h
+++ b/include/xas/vox.h
@@ -7,7 +7,8 @@
 
 #include <xas/audio.h>
 
-#define XAS_VOX_SETTINGS_PATHLEN 64
+#define XAS_VOX_SETTINGS_TMP_PATH    "/tmp/xas-vox.XXXXXX"
+#define XAS_VOX_SETTINGS_TMP_PATHLEN 64
 
 enum xas_vox_state {
     XAS_VOX_IDLE,
@@ -28,7 +29,9 @@ typedef struct _xas_vox {
         stdin,
         stdout;
 
-    char tmpfile[XAS_VOX_SETTINGS_PATHLEN];
+    char tmpfile[XAS_VOX_SETTINGS_TMP_PATHLEN];
+    int tmpfd;
+    FILE *tmpfh;
 
     FILE *in;
 } xas_vox;
@@ -45,6 +48,12 @@ xas_vox *xas_vox_new(xas_audio_format format,
 
 void xas_vox_destroy(xas_vox *vox);
 
+int xas_vox_set_voice(xas_vox *vox, const char *voice);
+
+int xas_vox_set_parameter(xas_vox *vox,
+                            const char *name,
+                            const char *value);
+
 int xas_vox_stop(xas_vox *vox);
 
 int xas_vox_active(xas_vox *vox);
diff --git a/src/vox.c b/src/vox.c
index bf2968b..bcfab5d 100644
--- a/src/vox.c
+++ b/src/vox.c
@@ -208,6 +208,45 @@ error_read:
     return -1;
 }
 
+static int tmpfile_open(xas_vox *vox) {
+    if (vox->tmpfile[0] && vox->tmpfd > 0) {
+        return 0;
+    }
+
+    memset(vox->tmpfile, '\0', sizeof(vox->tmpfile));
+
+    memcpy(vox->tmpfile,
+           XAS_VOX_SETTINGS_TMP_PATH,
+           strlen(XAS_VOX_SETTINGS_TMP_PATH));
+
+    if ((vox->tmpfd = mkstemp(vox->tmpfile)) < 0) {
+        goto error_mkstemp;
+    }
+
+    if ((vox->tmpfh = fdopen(vox->tmpfd, "w")) == NULL) {
+        goto error_fdopen;
+    }
+
+    return 0;
+
+error_fdopen:
+    close(vox->tmpfd);
+    unlink(vox->tmpfile);
+
+error_mkstemp:
+    return -1;
+}
+
+static void tmpfile_close(xas_vox *vox) {
+    fclose(vox->tmpfh);
+    (void)close(vox->tmpfd);
+    unlink(vox->tmpfile);
+
+    memset(vox->tmpfile, '\0', sizeof(vox->tmpfile));
+    vox->tmpfd = -1;
+    vox->tmpfh = NULL;
+}
+
 xas_vox *xas_vox_new_args(xas_audio_format format,
                               size_t buffer_size,
                               const char *text2wave_path,
@@ -236,6 +275,7 @@ xas_vox *xas_vox_new_args(xas_audio_format format,
     vox->args = args;
 
     memset(vox->tmpfile, '\0', sizeof(vox->tmpfile));
+    vox->tmpfd = -1;
 
     return vox;
 
@@ -243,10 +283,60 @@ error_malloc_vox:
     return NULL;
 }
 
+xas_vox *xas_vox_new(xas_audio_format format,
+                         size_t buffer_size,
+                         const char *text2wave_path) {
+    return xas_vox_new_args(format,
+                              buffer_size,
+                              text2wave_path,
+                              0,
+                              NULL);
+}
+
 void xas_vox_destroy(xas_vox *vox) {
+    if (vox->tmpfile[0] && vox->tmpfd > 0) {
+        tmpfile_close(vox);
+    }
+
     free(vox);
 }
 
+int xas_vox_set_voice(xas_vox *vox, const char *voice) {
+    if (tmpfile_open(vox) < 0) {
+        goto error_tmpfile_open;
+    }
+
+    if (fprintf(vox->tmpfh, "(%s)\n", voice) < 0) {
+        goto error_fprintf;
+    }
+
+    return 0;
+
+error_fprintf:
+error_tmpfile_open:
+    return -1;
+}
+
+int xas_vox_set_parameter(xas_vox *vox,
+                            const char *name,
+                            const char *value) {
+    if (tmpfile_open(vox) < 0) {
+        goto error_tmpfile_open;
+    }
+
+    if (fprintf(vox->tmpfh, "(Parameter.set '%s %s)\n",
+                name,
+                value) < 0) {
+        goto error_fprintf;
+    }
+
+    return 0;
+
+error_fprintf:
+error_tmpfile_open:
+    return -1;
+}
+
 int xas_vox_stop(xas_vox *vox) {
     if (vox->state == XAS_VOX_ACTIVE) {
         return vox_stop(vox);