/* * (c) 2009 Arnaldo Carvalho de Melo * * Licensed under the GPLv2. */ #include "strlist.h" #include "util.h" #include #include #include #include static struct rb_node *strlist__node_new(struct rblist *rblist, const void *entry) { const char *s = entry; struct rb_node *rc = NULL; struct strlist *strlist = container_of(rblist, struct strlist, rblist); struct str_node *snode = malloc(sizeof(*snode)); if (snode != NULL) { if (strlist->dupstr) { s = strdup(s); if (s == NULL) goto out_delete; } snode->s = s; rc = &snode->rb_node; } return rc; out_delete: free(snode); return NULL; } static void str_node__delete(struct str_node *snode, bool dupstr) { if (dupstr) zfree((char **)&snode->s); free(snode); } static void strlist__node_delete(struct rblist *rblist, struct rb_node *rb_node) { struct strlist *slist = container_of(rblist, struct strlist, rblist); struct str_node *snode = container_of(rb_node, struct str_node, rb_node); str_node__delete(snode, slist->dupstr); } static int strlist__node_cmp(struct rb_node *rb_node, const void *entry) { const char *str = entry; struct str_node *snode = container_of(rb_node, struct str_node, rb_node); return strcmp(snode->s, str); } int strlist__add(struct strlist *slist, const char *new_entry) { return rblist__add_node(&slist->rblist, new_entry); } int strlist__load(struct strlist *slist, const char *filename) { char entry[1024]; int err; FILE *fp = fopen(filename, "r"); if (fp == NULL) return -errno; while (fgets(entry, sizeof(entry), fp) != NULL) { const size_t len = strlen(entry); if (len == 0) continue; entry[len - 1] = '\0'; err = strlist__add(slist, entry); if (err != 0) goto out; } err = 0; out: fclose(fp); return err; } void strlist__remove(struct strlist *slist, struct str_node *snode) { rblist__remove_node(&slist->rblist, &snode->rb_node); } struct str_node *strlist__find(struct strlist *slist, const char *entry) { struct str_node *snode = NULL; struct rb_node *rb_node = rblist__find(&slist->rblist, entry); if (rb_node) snode = container_of(rb_node, struct str_node, rb_node); return snode; } static int strlist__parse_list_entry(struct strlist *slist, const char *s, const char *subst_dir) { int err; char *subst = NULL; if (strncmp(s, "file://", 7) == 0) return strlist__load(slist, s + 7); if (subst_dir) { err = -ENOMEM; if (asprintf(&subst, "%s/%s", subst_dir, s) < 0) goto out; if (access(subst, F_OK) == 0) { err = strlist__load(slist, subst); goto out; } if (slist->file_only) { err = -ENOENT; goto out; } } err = strlist__add(slist, s); out: free(subst); return err; } static int strlist__parse_list(struct strlist *slist, const char *s, const char *subst_dir) { char *sep; int err; while ((sep = strchr(s, ',')) != NULL) { *sep = '\0'; err = strlist__parse_list_entry(slist, s, subst_dir); *sep = ','; if (err != 0) return err; s = sep + 1; } return *s ? strlist__parse_list_entry(slist, s, subst_dir) : 0; } struct strlist *strlist__new(const char *list, const struct strlist_config *config) { struct strlist *slist = malloc(sizeof(*slist)); if (slist != NULL) { bool dupstr = true; bool file_only = false; const char *dirname = NULL; if (config) { dupstr = !config->dont_dupstr; dirname = config->dirname; file_only = config->file_only; } rblist__init(&slist->rblist); slist->rblist.node_cmp = strlist__node_cmp; slist->rblist.node_new = strlist__node_new; slist->rblist.node_delete = strlist__node_delete; slist->dupstr = dupstr; slist->file_only = file_only; if (list && strlist__parse_list(slist, list, dirname) != 0) goto out_error; } return slist; out_error: free(slist); return NULL; } void strlist__delete(struct strlist *slist) { if (slist != NULL) rblist__delete(&slist->rblist); } struct str_node *strlist__entry(const struct strlist *slist, unsigned int idx) { struct str_node *snode = NULL; struct rb_node *rb_node; rb_node = rblist__entry(&slist->rblist, idx); if (rb_node) snode = container_of(rb_node, struct str_node, rb_node); return snode; } option>space:mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-24 12:38:43 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-24 12:38:43 -0800
commit0263d4ebd94b36280608e296cba39b924b6e832b (patch)
tree6e21b4b3d8e8fb12cdfcfd185d46992487265a9b /sound/soc/pxa/palm27x.c
parent19ca2c8fecb1592d623fe5e82d6796f8d446268d (diff)
parent7b9e1d89e1b6a3b99a8fdd949aa0f98dd5bf2f6b (diff)
Merge tag 'platform-drivers-x86-v4.10-4' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform-driver fixes from Andy Shevchenko: "This is my first pull request since I become a co-maintainer of Platform Drivers x86 subsystem. It's a bit bigger than usual due to material collected for almost two weeks in a row. MAINTAINERS: - Add myself to X86 PLATFORM DRIVERS as a co-maintainer ideapad-laptop: - handle ACPI event 1 intel_mid_powerbtn: - Set IRQ_ONESHOT surface3-wmi: - fix uninitialized symbol - Shut up unused-function warning mlx-platform: - free first dev on error" * tag 'platform-drivers-x86-v4.10-4' of git://git.infradead.org/linux-platform-drivers-x86: MAINTAINERS: Add myself to X86 PLATFORM DRIVERS as a co-maintainer platform/x86: ideapad-laptop: handle ACPI event 1 platform/x86: intel_mid_powerbtn: Set IRQ_ONESHOT platform/x86: surface3-wmi: fix uninitialized symbol platform/x86: surface3-wmi: Shut up unused-function warning platform/x86: mlx-platform: free first dev on error
Diffstat (limited to 'sound/soc/pxa/palm27x.c')