version 1.1.2.1, 2014/01/28 08:04:21
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version 1.1.2.8, 2014/01/28 23:30:46
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Line 2
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#include "ub_env.h" |
#include "ub_env.h" |
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env_t *env; |
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static int |
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ub_flash_io(const char *csSec, int mode) |
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{ |
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int f, l, rlen; |
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const char *str; |
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size_t siz; |
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ait_val_t v; |
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FTRACE(4); |
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str = cfg_getAttribute(&cfg, csSec, "size"); |
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siz = strtol(str, NULL, 0); |
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if (!siz) |
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return -1; |
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str = cfg_getAttribute(&cfg, csSec, "drive"); |
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if (!str) { |
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printf("Error:: drive not found!\n"); |
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return -1; |
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} |
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cfg_loadAttribute(&cfg, "ube", "lock", &v, UBE_LOCK); |
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l = open(AIT_GET_STR(&v), O_CREAT | O_EXCL | O_WRONLY, 0644); |
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if (l == -1) { |
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printf("Error:: Locked u-boot-env map %s\n", AIT_GET_STR(&v)); |
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AIT_FREE_VAL(&v); |
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return -1; |
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} |
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f = open(str, mode); |
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if (f == -1) { |
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printf("Error:: Can't access u-boot-env device %s\n", str); |
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close(l); |
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unlink(AIT_GET_STR(&v)); |
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AIT_FREE_VAL(&v); |
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return -1; |
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} |
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if (mode & O_RDWR) { |
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rlen = write(f, env, siz); |
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if (rlen != siz) |
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printf("Error:: written %d bytes != %d\n", rlen, siz); |
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else |
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VERB(3) printf("Written %d bytes\n", rlen); |
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lseek(f, 0, SEEK_SET); |
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} |
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rlen = read(f, env, siz); |
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if (rlen != siz) |
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printf("Error:: readed %d bytes != %d\n", rlen, siz); |
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else |
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VERB(3) printf("Readed %d bytes\n", rlen); |
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close(f); |
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close(l); |
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unlink(AIT_GET_STR(&v)); |
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AIT_FREE_VAL(&v); |
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return 0; |
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} |
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int |
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ub_load(const char *csSec) |
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{ |
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const char *str; |
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size_t siz; |
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FTRACE(4); |
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str = cfg_getAttribute(&cfg, csSec, "size"); |
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siz = strtol(str, NULL, 0); |
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if (!siz) |
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return -1; |
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env = e_malloc(siz); |
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if (!env) { |
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ELIBERR(elwix); |
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return -1; |
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} |
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return ub_flash_io(csSec, O_RDONLY); |
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} |
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void |
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ub_unload() |
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{ |
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FTRACE(4); |
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if (env) |
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e_free(env); |
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} |
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const char* |
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ub_getenv(const char *csSec, const char *csName) |
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{ |
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const char *str = NULL; |
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FTRACE(3); |
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return str; |
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} |
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int |
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ub_setenv(const char *csSec, const char *csName, const char *csValue) |
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{ |
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FTRACE(3); |
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return 0; |
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} |