diff options
Diffstat (limited to 'tools/ddcprobe/of.c')
-rw-r--r-- | tools/ddcprobe/of.c | 51 |
1 files changed, 25 insertions, 26 deletions
diff --git a/tools/ddcprobe/of.c b/tools/ddcprobe/of.c index 5e8aefa3f..aab0632f1 100644 --- a/tools/ddcprobe/of.c +++ b/tools/ddcprobe/of.c @@ -16,13 +16,17 @@ #include "minifind.h" /* misnomer */ -struct vbe_info *vbe_get_vbe_info() +int vbe_get_vbe_info(struct vbe_info *ret) { - struct vbe_info *ret = NULL; struct fb_fix_screeninfo fix; unsigned char *mem; int rc = 0; - int fd, i; + int fd = -1; + int i; + + if (ret == NULL) + return 0; + if (!rc && !(fd = open("/dev/fb0", O_RDONLY))) { @@ -36,27 +40,27 @@ struct vbe_info *vbe_get_vbe_info() fprintf(stderr, "Framebuffer ioctl failed. Exiting.\n"); } - close(fd); + if (fd > 0) + close(fd); if (!rc) { // Note: if OFfb, vram info is unreliable! if (strcmp(fix.id, "OFfb")) { - ret = malloc(sizeof(struct vbe_info)); mem = strdup(fix.id); while(((i = strlen(mem)) > 0) && isspace(mem[i - 1])) { mem[i - 1] = '\0'; } - ret->oem_name.string = mem; - ret->product_name.string = NULL; - ret->vendor_name.string = NULL; - ret->product_revision.string = NULL; - ret->memory_size = fix.smem_len/1024; + ret->oem_name = strdup(mem); + ret->product_name = NULL; + ret->vendor_name = NULL; + ret->product_revision = NULL; + ret->memory_size = fix.smem_len; } } - return ret; + return !rc; } int get_edid_supported() @@ -81,10 +85,9 @@ int get_edid_supported() } /* Get EDID info. */ -struct edid1_info *get_edid_info() +int vbe_get_edid_info(struct vbe_edid1_info * ret) { unsigned char *mem; - struct edid1_info *ret = NULL; struct pathNode *n; struct findNode *list; u_int16_t man; @@ -92,6 +95,9 @@ struct edid1_info *get_edid_info() FILE* edid_file = NULL; char *path = NULL; + if (ret == NULL) + return 0; + list = (struct findNode *) malloc(sizeof(struct findNode)); list->result = (struct pathNode *) malloc(sizeof(struct pathNode)); list->result->path = NULL; @@ -110,37 +116,30 @@ struct edid1_info *get_edid_info() if (!edid_file) - return NULL; + return 0; if (fread(edid, sizeof(unsigned char), 0x80, edid_file) != 0x80) - return NULL; + return 0; fclose(edid_file); - mem = malloc(sizeof(struct edid1_info)); + mem = malloc(sizeof(struct vbe_edid1_info)); if(mem == NULL) { - return NULL; + return 0; } memcpy(mem, edid, 0x80); - /* Get memory for return. */ - ret = malloc(sizeof(struct edid1_info)); - if(ret == NULL) { - free(mem); - return NULL; - } - /* Copy the buffer for return. */ - memcpy(ret, mem, sizeof(struct edid1_info)); + memcpy(ret, mem, sizeof(struct vbe_edid1_info)); memcpy(&man, &ret->manufacturer_name, 2); man = ntohs(man); memcpy(&ret->manufacturer_name, &man, 2); free(mem); - return ret; + return 1; } #endif /* __powerpc__ */ |