mirror of
https://dev.iopsys.eu/feed/iopsys.git
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417a127dd9
Pass CFLAGS and LDFLAGS the correct way via environment variables and not as arguments so the upstream Makefile CFLAGS/LDFLAGS do not get overwritten and no ugly workaround is needed. Set PREFIX correctly and do not set CONFIG_SMALL which was implemented in a patch that was dropped. Remove commented out code (libquickjs.lto.a is no longer built by default). Set PKG_SOURCE_DATE correctly as the date of the upstream git repo and not the date of the OpenWrt package. Fix whitespace issues in patch. Do not create empty /usr/lib/quickjs
123 lines
3 KiB
Diff
123 lines
3 KiB
Diff
diff --git a/quickjs-libc.c b/quickjs-libc.c
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index 54a7a15..a64c4d6 100644
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--- a/quickjs-libc.c
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+++ b/quickjs-libc.c
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@@ -385,12 +385,86 @@ fail:
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return JS_EXCEPTION;
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}
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+#define READALL_CHUNK (10*1024)
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+
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+static int readall(FILE *f, JSContext *ctx, uint8_t **dataptr, size_t *sizeptr)
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+{
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+ uint8_t *data = NULL, *temp;
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+ size_t size = 0;
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+ size_t used = 0;
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+ size_t n;
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+
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+ while (1) {
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+ if (used + READALL_CHUNK + 1 > size) {
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+ size = used + READALL_CHUNK + 1;
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+
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+ /* Overflow check. Some ANSI C compilers
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+ may optimize this away, though. */
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+ if (size <= used) {
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+ if (ctx)
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+ js_free(ctx, data);
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+ else
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+ free(data);
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+ return -1;
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+ }
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+
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+ if (ctx)
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+ temp = js_realloc(ctx, data, size);
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+ else
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+ temp = realloc(data, size);
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+
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+ if (temp == NULL) {
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+ if (ctx)
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+ js_free(ctx, data);
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+ else
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+ free(data);
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+ return -1;
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+ }
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+ data = temp;
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+ }
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+
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+ n = fread(data + used, 1, READALL_CHUNK, f);
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+ if (n == 0)
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+ break;
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+
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+ used += n;
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+ }
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+
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+ if (ferror(f)) {
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+ if (ctx)
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+ js_free(ctx, data);
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+ else
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+ free(data);
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+ return -1;
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+ }
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+
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+ if (ctx)
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+ temp = js_realloc(ctx, data, used + 1);
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+ else
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+ temp = realloc(data, used + 1);
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+
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+ if (temp == NULL) {
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+ if (ctx)
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+ js_free(ctx, data);
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+ else
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+ free(data);
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+ return -1;
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+ }
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+ data = temp;
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+ data[used] = '\0';
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+
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+ *dataptr = data;
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+ *sizeptr = used;
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+
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+ return 0;
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+}
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+
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uint8_t *js_load_file(JSContext *ctx, size_t *pbuf_len, const char *filename)
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{
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FILE *f;
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uint8_t *buf;
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size_t buf_len;
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- long lret;
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+ long lret = 0;
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f = fopen(filename, "rb");
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if (!f)
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@@ -398,7 +472,7 @@ uint8_t *js_load_file(JSContext *ctx, size_t *pbuf_len, const char *filename)
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if (fseek(f, 0, SEEK_END) < 0)
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goto fail;
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lret = ftell(f);
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- if (lret < 0)
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+ if (lret <= 0)
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goto fail;
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/* XXX: on Linux, ftell() return LONG_MAX for directories */
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if (lret == LONG_MAX) {
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@@ -414,13 +488,19 @@ uint8_t *js_load_file(JSContext *ctx, size_t *pbuf_len, const char *filename)
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buf = malloc(buf_len + 1);
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if (!buf)
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goto fail;
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- if (fread(buf, 1, buf_len, f) != buf_len) {
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- errno = EIO;
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+ buf_len = fread(buf, 1, buf_len, f);
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+ if (ferror(f)) {
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if (ctx)
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js_free(ctx, buf);
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else
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free(buf);
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fail:
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+ // Files in proc and sysfs may not be seekable or may falsely
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+ // appear to be of zero size. Try to read them in another way.
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+ if (lret == 0 && readall(f, ctx, &buf, pbuf_len) == 0) {
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+ fclose(f);
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+ return buf;
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+ }
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fclose(f);
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return NULL;
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}
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