lua: support extended section notation

[project/uci.git] / file.c

diff --git a/file.c b/file.c
index be75e54..9856369 100644 (file)
--- a/file.c
+++ b/file.c
@@ -33,7 +33,6 @@
 #include "uci_internal.h"
 
 #define LINEBUF        32
-#define LINEBUF_MAX    4096
 
 /*
  * Fetch a new line from the input stream and resize buffer if necessary
@@ -69,9 +68,6 @@ __private void uci_getln(struct uci_context *ctx, int offset)
                        return;
                }
 
-               if (pctx->bufsz > LINEBUF_MAX/2)
-                       uci_parse_error(ctx, "line too long");
-
                pctx->bufsz *= 2;
                pctx->buf = uci_realloc(ctx, pctx->buf, pctx->bufsz);
        } while (1);
@@ -278,10 +274,11 @@ int uci_parse_argument(struct uci_context *ctx, FILE *stream, char **str, char *
                uci_alloc_parse_context(ctx);
 
        ctx->pctx->file = stream;
-       if (!*str)
+       if (!*str) {
+               ctx->pctx->pos = 0;
                uci_getln(ctx, 0);
+       }
 
-       /*FIXME do we need to skip empty lines? */
        ofs_result = next_arg(ctx, false, false, false);
        *result = pctx_str(ctx->pctx, ofs_result);
        *str = pctx_cur_str(ctx->pctx);
@@ -411,7 +408,6 @@ static void uci_parse_config(struct uci_context *ctx)
        char *name;
        char *type;
 
-       uci_fixup_section(ctx, ctx->pctx->section);
        if (!ctx->pctx->package) {
                if (!ctx->pctx->name)
                        uci_parse_error(ctx, "attempting to import a file without a package name");
@@ -438,8 +434,13 @@ static void uci_parse_config(struct uci_context *ctx)
        } else {
                uci_fill_ptr(ctx, &ptr, &pctx->package->e);
                e = uci_lookup_list(&pctx->package->sections, name);
-               if (e)
+               if (e) {
                        ptr.s = uci_to_section(e);
+
+                       if ((ctx->flags & UCI_FLAG_STRICT) && strcmp(ptr.s->type, type))
+                               uci_parse_error(ctx, "section of different type overwrites prior section with same name");
+               }
+
                ptr.section = name;
                ptr.value = type;
 
@@ -687,7 +688,6 @@ error:
                        UCI_THROW(ctx, ctx->err);
        }
 
-       uci_fixup_section(ctx, ctx->pctx->section);
        if (!pctx->package && name)
                uci_switch_config(ctx);
        if (package)
@@ -736,17 +736,6 @@ static void uci_file_commit(struct uci_context *ctx, struct uci_package **packag
        if ((asprintf(&filename, "%s/.%s.uci-XXXXXX", ctx->confdir, p->e.name) < 0) || !filename)
                UCI_THROW(ctx, UCI_ERR_MEM);
 
-       if (!mktemp(filename))
-               *filename = 0;
-
-       if (!*filename) {
-               free(filename);
-               UCI_THROW(ctx, UCI_ERR_IO);
-       }
-
-       if ((stat(filename, &statbuf) == 0) && ((statbuf.st_mode & S_IFMT) != S_IFREG))
-               UCI_THROW(ctx, UCI_ERR_IO);
-
        /* open the config file for writing now, so that it is locked */
        f1 = uci_open_stream(ctx, p->path, NULL, SEEK_SET, true, true);
 
@@ -781,6 +770,17 @@ static void uci_file_commit(struct uci_context *ctx, struct uci_package **packag
                        goto done;
        }
 
+       if (!mktemp(filename))
+               *filename = 0;
+
+       if (!*filename) {
+               free(filename);
+               UCI_THROW(ctx, UCI_ERR_IO);
+       }
+
+       if ((stat(filename, &statbuf) == 0) && ((statbuf.st_mode & S_IFMT) != S_IFREG))
+               UCI_THROW(ctx, UCI_ERR_IO);
+
        f2 = uci_open_stream(ctx, filename, p->path, SEEK_SET, true, true);
        uci_export(ctx, f2, p, false);
 
@@ -796,12 +796,15 @@ done:
        free(name);
        free(path);
        uci_close_stream(f1);
-       if (do_rename && rename(filename, p->path)) {
-               unlink(filename);
-               UCI_THROW(ctx, UCI_ERR_IO);
+       if (do_rename) {
+               path = realpath(p->path, NULL);
+               if (!path || rename(filename, path)) {
+                       unlink(filename);
+                       UCI_THROW(ctx, UCI_ERR_IO);
+               }
+               free(path);
        }
        free(filename);
-       sync();
        if (ctx->err)
                UCI_THROW(ctx, ctx->err);
 }
@@ -828,7 +831,7 @@ static char **uci_list_config_files(struct uci_context *ctx)
 {
        char **configs;
        glob_t globbuf;
-       int size, i;
+       int size, i, j, skipped;
        char *buf;
        char *dir;
 
@@ -840,18 +843,22 @@ static char **uci_list_config_files(struct uci_context *ctx)
        }
 
        size = sizeof(char *) * (globbuf.gl_pathc + 1);
+       skipped = 0;
        for(i = 0; i < globbuf.gl_pathc; i++) {
                char *p;
 
                p = get_filename(globbuf.gl_pathv[i]);
-               if (!p)
+               if (!p) {
+                       skipped++;
                        continue;
+               }
 
                size += strlen(p) + 1;
        }
 
-       configs = uci_malloc(ctx, size);
-       buf = (char *) &configs[globbuf.gl_pathc + 1];
+       configs = uci_malloc(ctx, size - skipped);
+       buf = (char *) &configs[globbuf.gl_pathc + 1 - skipped];
+       j = 0;
        for(i = 0; i < globbuf.gl_pathc; i++) {
                char *p;
 
@@ -862,7 +869,7 @@ static char **uci_list_config_files(struct uci_context *ctx)
                if (!uci_validate_package(p))
                        continue;
 
-               configs[i] = buf;
+               configs[j++] = buf;
                strcpy(buf, p);
                buf += strlen(buf) + 1;
        }