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@ -29,17 +29,19 @@ struct fuse_opt_context |
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void |
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fuse_opt_free_args(struct fuse_args *args) |
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{ |
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if (args) { |
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if (args->argv && args->allocated) { |
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int i; |
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for (i = 0; i < args->argc; i++) |
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free(args->argv[i]); |
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free(args->argv); |
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if (args) |
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{ |
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if (args->argv && args->allocated) |
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{ |
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int i; |
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for (i = 0; i < args->argc; i++) |
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free(args->argv[i]); |
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free(args->argv); |
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} |
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args->argc = 0; |
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args->argv = NULL; |
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args->allocated = 0; |
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} |
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args->argc = 0; |
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args->argv = NULL; |
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args->allocated = 0; |
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} |
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} |
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static |
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@ -63,10 +65,11 @@ fuse_opt_add_arg(struct fuse_args *args, const char *arg) |
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return alloc_failed(); |
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newargv = realloc(args->argv, (args->argc + 2) * sizeof(char *)); |
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if (!newargv) { |
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free(newarg); |
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return alloc_failed(); |
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} |
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if (!newargv) |
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{ |
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free(newarg); |
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return alloc_failed(); |
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} |
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args->argv = newargv; |
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args->allocated = 1; |
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@ -82,12 +85,14 @@ static int fuse_opt_insert_arg_common(struct fuse_args *args, int pos, |
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if (fuse_opt_add_arg(args, arg) == -1) |
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return -1; |
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if (pos != args->argc - 1) { |
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char *newarg = args->argv[args->argc - 1]; |
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memmove(&args->argv[pos + 1], &args->argv[pos], |
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sizeof(char *) * (args->argc - pos - 1)); |
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args->argv[pos] = newarg; |
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} |
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if (pos != args->argc - 1) |
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{ |
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char *newarg = args->argv[args->argc - 1]; |
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memmove(&args->argv[pos + 1], &args->argv[pos], |
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sizeof(char *) * (args->argc - pos - 1)); |
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args->argv[pos] = newarg; |
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} |
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return 0; |
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} |
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@ -98,10 +103,11 @@ int fuse_opt_insert_arg(struct fuse_args *args, int pos, const char *arg) |
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static int next_arg(struct fuse_opt_context *ctx, const char *opt) |
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{ |
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if (ctx->argctr + 1 >= ctx->argc) { |
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fprintf(stderr, "fuse: missing argument after `%s'\n", opt); |
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return -1; |
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} |
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if (ctx->argctr + 1 >= ctx->argc) |
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{ |
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fprintf(stderr, "fuse: missing argument after `%s'\n", opt); |
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return -1; |
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} |
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ctx->argctr++; |
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return 0; |
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} |
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@ -120,16 +126,19 @@ static int add_opt_common(char **opts, const char *opt, int esc) |
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return alloc_failed(); |
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*opts = d; |
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if (oldlen) { |
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d += oldlen; |
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*d++ = ','; |
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} |
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if (oldlen) |
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{ |
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d += oldlen; |
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*d++ = ','; |
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} |
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for (; *opt; opt++) { |
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if (esc && (*opt == ',' || *opt == '\\')) |
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*d++ = '\\'; |
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*d++ = *opt; |
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} |
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for (; *opt; opt++) |
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{ |
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if (esc && (*opt == ',' || *opt == '\\')) |
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*d++ = '\\'; |
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*d++ = *opt; |
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} |
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*d = '\0'; |
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return 0; |
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@ -156,11 +165,13 @@ static int call_proc(struct fuse_opt_context *ctx, const char *arg, int key, |
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if (key == FUSE_OPT_KEY_DISCARD) |
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return 0; |
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if (key != FUSE_OPT_KEY_KEEP && ctx->proc) { |
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int res = ctx->proc(ctx->data, arg, key, &ctx->outargs); |
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if (res == -1 || !res) |
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return res; |
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} |
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if (key != FUSE_OPT_KEY_KEEP && ctx->proc) |
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{ |
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int res = ctx->proc(ctx->data, arg, key, &ctx->outargs); |
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if (res == -1 || !res) |
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return res; |
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} |
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if (iso) |
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return add_opt(ctx, arg); |
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else |
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@ -207,13 +218,14 @@ static int process_opt_param(void *var, const char *format, const char *param, |
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const char *arg) |
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{ |
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assert(format[0] == '%'); |
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if (format[1] == 's') { |
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char *copy = strdup(param); |
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if (!copy) |
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return alloc_failed(); |
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if (format[1] == 's') |
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{ |
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char *copy = strdup(param); |
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if (!copy) |
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return alloc_failed(); |
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*(char **) var = copy; |
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} else { |
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*(char **) var = copy; |
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} else { |
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if (sscanf(param, format, var) != 1) { |
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fprintf(stderr, "fuse: invalid parameter in option `%s'\n", arg); |
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return -1; |
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@ -226,19 +238,21 @@ static int process_opt(struct fuse_opt_context *ctx, |
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const struct fuse_opt *opt, unsigned sep, |
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const char *arg, int iso) |
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{ |
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if (opt->offset == -1U) { |
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if (call_proc(ctx, arg, opt->value, iso) == -1) |
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return -1; |
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} else { |
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void *var = ctx->data + opt->offset; |
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if (sep && opt->templ[sep + 1]) { |
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const char *param = arg + sep; |
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if (opt->templ[sep] == '=') |
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param ++; |
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if (process_opt_param(var, opt->templ + sep + 1, |
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param, arg) == -1) |
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if (opt->offset == -1U) |
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{ |
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if (call_proc(ctx, arg, opt->value, iso) == -1) |
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return -1; |
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} else |
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} else { |
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void *var = ctx->data + opt->offset; |
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if (sep && opt->templ[sep + 1]) |
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{ |
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const char *param = arg + sep; |
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if (opt->templ[sep] == '=') |
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param ++; |
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if (process_opt_param(var, opt->templ + sep + 1, |
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param, arg) == -1) |
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return -1; |
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} else |
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*(int *)var = opt->value; |
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} |
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return 0; |
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@ -272,19 +286,20 @@ static int process_gopt(struct fuse_opt_context *ctx, const char *arg, int iso) |
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{ |
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unsigned sep; |
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const struct fuse_opt *opt = find_opt(ctx->opt, arg, &sep); |
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if (opt) { |
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for (; opt; opt = find_opt(opt + 1, arg, &sep)) { |
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int res; |
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if (sep && opt->templ[sep] == ' ' && !arg[sep]) |
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res = process_opt_sep_arg(ctx, opt, sep, arg, |
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iso); |
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else |
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res = process_opt(ctx, opt, sep, arg, iso); |
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if (res == -1) |
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return -1; |
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} |
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return 0; |
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} else |
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if (opt) |
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{ |
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for (; opt; opt = find_opt(opt + 1, arg, &sep)) { |
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int res; |
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if (sep && opt->templ[sep] == ' ' && !arg[sep]) |
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res = process_opt_sep_arg(ctx, opt, sep, arg, |
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iso); |
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else |
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res = process_opt(ctx, opt, sep, arg, iso); |
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if (res == -1) |
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return -1; |
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} |
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return 0; |
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} else |
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return call_proc(ctx, arg, FUSE_OPT_KEY_OPT, iso); |
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} |
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@ -294,36 +309,41 @@ static int process_real_option_group(struct fuse_opt_context *ctx, char *opts) |
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char *d = s; |
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int end = 0; |
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while (!end) { |
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if (*s == '\0') |
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end = 1; |
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if (*s == ',' || end) { |
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int res; |
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while (!end) |
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*d = '\0'; |
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res = process_gopt(ctx, opts, 1); |
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if (res == -1) |
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return -1; |
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d = opts; |
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} else { |
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if (s[0] == '\\' && s[1] != '\0') { |
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s++; |
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if (s[0] >= '0' && s[0] <= '3' && |
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s[1] >= '0' && s[1] <= '7' && |
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s[2] >= '0' && s[2] <= '7') { |
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*d++ = (s[0] - '0') * 0100 + |
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(s[1] - '0') * 0010 + |
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(s[2] - '0'); |
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s += 2; |
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{ |
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if (*s == '\0') |
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end = 1; |
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if (*s == ',' || end) |
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{ |
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int res; |
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*d = '\0'; |
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res = process_gopt(ctx, opts, 1); |
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if (res == -1) |
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return -1; |
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d = opts; |
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} else { |
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if (s[0] == '\\' && s[1] != '\0') |
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{ |
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s++; |
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if (s[0] >= '0' && s[0] <= '3' && |
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s[1] >= '0' && s[1] <= '7' && |
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s[2] >= '0' && s[2] <= '7') |
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{ |
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*d++ = (s[0] - '0') * 0100 + |
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(s[1] - '0') * 0010 + |
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(s[2] - '0'); |
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s += 2; |
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} else { |
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*d++ = *s; |
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} |
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} else { |
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*d++ = *s; |
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} |
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} else { |
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*d++ = *s; |
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} |
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s++; |
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} |
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s++; |
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} |
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return 0; |
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} |
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@ -333,10 +353,12 @@ static int process_option_group(struct fuse_opt_context *ctx, const char *opts) |
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int res; |
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char *copy = strdup(opts); |
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if (!copy) { |
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fprintf(stderr, "fuse: memory allocation failed\n"); |
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return -1; |
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} |
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if (!copy) |
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{ |
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fprintf(stderr, "fuse: memory allocation failed\n"); |
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return -1; |
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} |
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res = process_real_option_group(ctx, copy); |
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free(copy); |
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return res; |
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@ -346,17 +368,19 @@ static int process_one(struct fuse_opt_context *ctx, const char *arg) |
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{ |
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if (ctx->nonopt || arg[0] != '-') |
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return call_proc(ctx, arg, FUSE_OPT_KEY_NONOPT, 0); |
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else if (arg[1] == 'o') { |
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if (arg[2]) |
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return process_option_group(ctx, arg + 2); |
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else { |
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if (next_arg(ctx, arg) == -1) |
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return -1; |
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else if (arg[1] == 'o') |
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{ |
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if (arg[2]) |
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return process_option_group(ctx, arg + 2); |
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else |
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{ |
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if (next_arg(ctx, arg) == -1) |
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return -1; |
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return process_option_group(ctx, |
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ctx->argv[ctx->argctr]); |
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} |
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} else if (arg[1] == '-' && !arg[2]) { |
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return process_option_group(ctx, |
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ctx->argv[ctx->argctr]); |
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} |
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} else if (arg[1] == '-' && !arg[2]) { |
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if (add_arg(ctx, arg) == -1) |
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return -1; |
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ctx->nonopt = ctx->outargs.argc; |
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@ -367,20 +391,23 @@ static int process_one(struct fuse_opt_context *ctx, const char *arg) |
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static int opt_parse(struct fuse_opt_context *ctx) |
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{ |
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if (ctx->argc) { |
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if (add_arg(ctx, ctx->argv[0]) == -1) |
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return -1; |
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} |
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if (ctx->argc) |
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{ |
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if (add_arg(ctx, ctx->argv[0]) == -1) |
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return -1; |
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} |
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for (ctx->argctr = 1; ctx->argctr < ctx->argc; ctx->argctr++) |
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if (process_one(ctx, ctx->argv[ctx->argctr]) == -1) |
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return -1; |
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if (ctx->opts) { |
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if (fuse_opt_insert_arg(&ctx->outargs, 1, "-o") == -1 || |
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fuse_opt_insert_arg(&ctx->outargs, 2, ctx->opts) == -1) |
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return -1; |
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} |
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if (ctx->opts) |
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{ |
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if (fuse_opt_insert_arg(&ctx->outargs, 1, "-o") == -1 || |
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fuse_opt_insert_arg(&ctx->outargs, 2, ctx->opts) == -1) |
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return -1; |
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} |
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/* If option separator ("--") is the last argument, remove it */ |
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if (ctx->nonopt && ctx->nonopt == ctx->outargs.argc && |
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@ -409,11 +436,12 @@ int fuse_opt_parse(struct fuse_args *args, void *data, |
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ctx.argv = args->argv; |
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res = opt_parse(&ctx); |
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if (res != -1) { |
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struct fuse_args tmp = *args; |
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*args = ctx.outargs; |
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ctx.outargs = tmp; |
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} |
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if (res != -1) |
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{ |
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struct fuse_args tmp = *args; |
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*args = ctx.outargs; |
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ctx.outargs = tmp; |
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} |
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free(ctx.opts); |
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fuse_opt_free_args(&ctx.outargs); |
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return res; |
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Antonio SJ Musumeci
3 weeks ago
trapexit