cgmnlm

commit 2d7f75383cfca3b4076a889fc7c065e06d146609
parent 6e3c8e48f98c008abda2bbf7a2bbdb8ea3988b18
Author: René Wagner <rwa@clttr.info>
Date:   Mon,  1 Nov 2021 11:50:23 +0100

allow ~ as home alias in file path for downloads

This works for gmni and gmnlm respectively.

Diffstat:
M
src/util.c
 | 
28
+++++++++++++++++++---------

1 file changed, 19 insertions(+), 9 deletions(-)
diff --git a/src/util.c b/src/util.c
@@ -67,21 +67,31 @@ download_resp(FILE *out, struct gemini_response resp, const char *path,
 {
 	char path_buf[PATH_MAX];
 	assert(path);
-	if (path[0] == '\0') {
-		path = "./";
+	switch (path[0]) {
+	case '\0':
+		strncpy(path_buf, "./", 3);
+		break;
+	case '~':;
+		int n = snprintf(path_buf, PATH_MAX, "%s/%s", getenv("HOME"), &path[1]);
+		assert((size_t)n < PATH_MAX);
+		break;
+	default:
+		strncpy(path_buf, path, PATH_MAX);
 	}
-	if (path[strlen(path)-1] == '/') {
-		int n = snprintf(path_buf, sizeof(path_buf), "%s%s", path, basename(url));
-		assert((size_t)n < sizeof(path_buf));
-		path = path_buf;
+	char path_res[PATH_MAX];
+	if (path_buf[strlen(path_buf)-1] == '/') {
+		int n = snprintf(path_res, PATH_MAX, "%s%s", path_buf, basename(url));
+		assert((size_t)n < PATH_MAX);
+	} else {
+		strncpy(path_res, path_buf, PATH_MAX);
 	}
-	FILE *f = fopen(path, "w");
+	FILE *f = fopen(path_res, "w");
 	if (f == NULL) {
 		fprintf(stderr, "Could not open %s for writing: %s\n",
-			path, strerror(errno));
+			path_res, strerror(errno));
 		return 1;
 	}
-	fprintf(out, "Downloading %s to %s\n", url, path);
+	fprintf(out, "Downloading %s to %s\n", url, path_res);
 	char buf[BUFSIZ];
 	for (int n = 1; n > 0;) {
 		if (resp.sc) {