diff options
-rw-r--r-- | mkubootenv.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/mkubootenv.c b/mkubootenv.c index fdcb22f..9980ae1 100644 --- a/mkubootenv.c +++ b/mkubootenv.c @@ -40,7 +40,7 @@ #define CMD_NAME "mkubootenv" #define CRC32_SIZE sizeof(uint32_t) -#define FLAG_SIZE 1 +#define FLAGS_SIZE 1 /* minimum trailing null bytes */ #define TRAILER_SIZE 2 @@ -149,7 +149,7 @@ static void uboot_env_to_img(struct file *s, struct file *t, int flags, bool do_ { uint8_t *p, *q, *end; uint32_t *crc; - size_t flag_size = 0; + size_t flags_size = 0; dbg("source file (env): %s\n", s->name); dbg("target image file (bin): %s\n", t->name); @@ -164,7 +164,7 @@ static void uboot_env_to_img(struct file *s, struct file *t, int flags, bool do_ if (flags != -1) { *p = (uint8_t) flags; p++; - flag_size = FLAG_SIZE; + flags_size = FLAGS_SIZE; } /* copy the source file, replacing \n by \0 */ @@ -180,11 +180,11 @@ static void uboot_env_to_img(struct file *s, struct file *t, int flags, bool do_ /* now for the real CRC32 */ if (do_crc) { crc = (uint32_t *) t->ptr; - *crc = crc32(0, t->ptr + CRC32_SIZE + flag_size, t->size - (CRC32_SIZE + flag_size)); + *crc = crc32(0, t->ptr + CRC32_SIZE + flags_size, t->size - (CRC32_SIZE + flags_size)); } } -static void uboot_img_to_env(struct file *s, struct file *t, ssize_t flag_size) +static void uboot_img_to_env(struct file *s, struct file *t, ssize_t flags_size) { uint8_t *p, *q, *end; uint32_t *crc; @@ -195,12 +195,12 @@ static void uboot_img_to_env(struct file *s, struct file *t, ssize_t flag_size) /* check CRC */ crc = (uint32_t *) s->ptr; - if (*crc != crc32(0, s->ptr + CRC32_SIZE + flag_size, s->size - (CRC32_SIZE + flag_size))) + if (*crc != crc32(0, s->ptr + CRC32_SIZE + flags_size, s->size - (CRC32_SIZE + flags_size))) warn("source image with bad CRC\n"); p = t->ptr; - end = s->ptr + CRC32_SIZE + flag_size + t->size; - for (q = s->ptr + CRC32_SIZE + flag_size; q < end; p++, q++) + end = s->ptr + CRC32_SIZE + flags_size + t->size; + for (q = s->ptr + CRC32_SIZE + flags_size; q < end; p++, q++) *p = (*q == '\0') ? '\n' : *q; } @@ -226,7 +226,7 @@ int main(int argc, char **argv) int status = EXIT_FAILURE; int flags = -1; ssize_t img_size = -1; - ssize_t flag_size = 0; + ssize_t flags_size = 0; bool reverse = false; bool do_crc = true; struct file s, t; /* source and target file */ @@ -255,7 +255,7 @@ int main(int argc, char **argv) } case 'f': { char *opt = argv[++i]; - flag_size = FLAG_SIZE; + flags_size = FLAGS_SIZE; flags = strtoul(opt, NULL, 10); if (flags != 0 && flags != 1) { err("Wrong value for option -f. Should be 0 or 1.\n"); @@ -288,7 +288,7 @@ int main(int argc, char **argv) if (reverse && !do_crc) warn("Disabling of CRC generation will be ignored in reverse mode\n"); - if (reverse && flag_size) + if (reverse && flags_size) warn("Flags will be ignored in reverse mode\n"); uboot_env_init_file(&s); @@ -300,7 +300,7 @@ int main(int argc, char **argv) exit(EXIT_FAILURE); if (!reverse) { - ssize_t min_img_size = CRC32_SIZE + flag_size + s.size + TRAILER_SIZE; + ssize_t min_img_size = CRC32_SIZE + flags_size + s.size + TRAILER_SIZE; /* TODO: Check source file format: * var=value\n @@ -330,8 +330,8 @@ int main(int argc, char **argv) bool found_data_end = false; /* get the length of the data part */ - end = s.ptr + CRC32_SIZE + flag_size + s.size; - for (p = s.ptr + CRC32_SIZE + flag_size; (p < end - 1) && (!found_data_end); p++) { + end = s.ptr + CRC32_SIZE + flags_size + s.size; + for (p = s.ptr + CRC32_SIZE + flags_size; (p < end - 1) && (!found_data_end); p++) { /* two null bytes mark the end of the data section */ if (*p == '\0' && *(p + 1) == '\0') found_data_end = true; @@ -341,11 +341,11 @@ int main(int argc, char **argv) warn("No end of list delimiter found in source file\n"); /* calculate the plain text file size */ - t.size = p - (s.ptr + CRC32_SIZE + flag_size); + t.size = p - (s.ptr + CRC32_SIZE + flags_size); if (uboot_env_prepare_target(&t)) goto cleanup_source; - uboot_img_to_env(&s, &t, flag_size); + uboot_img_to_env(&s, &t, flags_size); } status = EXIT_SUCCESS; |