Annotation of embedtools/src/ub_env.c, revision 1.1.2.9
1.1.2.1 misho 1: #include "global.h"
2: #include "ub_env.h"
3:
4:
1.1.2.4 misho 5: env_t *env;
6:
7:
1.1.2.3 misho 8: static int
1.1.2.5 misho 9: ub_flash_io(const char *csSec, int mode)
1.1.2.3 misho 10: {
1.1.2.7 misho 11: int f, l, rlen;
1.1.2.5 misho 12: const char *str;
1.1.2.6 misho 13: size_t siz;
1.1.2.7 misho 14: ait_val_t v;
1.1.2.3 misho 15:
16: FTRACE(4);
17:
1.1.2.6 misho 18: str = cfg_getAttribute(&cfg, csSec, "size");
19: siz = strtol(str, NULL, 0);
20: if (!siz)
21: return -1;
1.1.2.5 misho 22: str = cfg_getAttribute(&cfg, csSec, "drive");
23: if (!str) {
24: printf("Error:: drive not found!\n");
25: return -1;
26: }
27:
1.1.2.7 misho 28: cfg_loadAttribute(&cfg, "ube", "lock", &v, UBE_LOCK);
1.1.2.8 misho 29: l = open(AIT_GET_STR(&v), O_CREAT | O_EXCL | O_WRONLY, 0644);
1.1.2.7 misho 30: if (l == -1) {
1.1.2.8 misho 31: printf("Error:: Locked u-boot-env map %s\n", AIT_GET_STR(&v));
1.1.2.7 misho 32: AIT_FREE_VAL(&v);
33: return -1;
34: }
35:
1.1.2.5 misho 36: f = open(str, mode);
1.1.2.3 misho 37: if (f == -1) {
1.1.2.5 misho 38: printf("Error:: Can't access u-boot-env device %s\n", str);
1.1.2.7 misho 39: close(l);
40: unlink(AIT_GET_STR(&v));
41: AIT_FREE_VAL(&v);
1.1.2.3 misho 42: return -1;
43: }
44:
45: if (mode & O_RDWR) {
1.1.2.6 misho 46: rlen = write(f, env, siz);
47: if (rlen != siz)
48: printf("Error:: written %d bytes != %d\n", rlen, siz);
49: else
50: VERB(3) printf("Written %d bytes\n", rlen);
51: lseek(f, 0, SEEK_SET);
1.1.2.3 misho 52: }
53:
1.1.2.6 misho 54: rlen = read(f, env, siz);
55: if (rlen != siz)
56: printf("Error:: readed %d bytes != %d\n", rlen, siz);
57: else
58: VERB(3) printf("Readed %d bytes\n", rlen);
59:
1.1.2.3 misho 60: close(f);
1.1.2.7 misho 61: close(l);
62: unlink(AIT_GET_STR(&v));
63: AIT_FREE_VAL(&v);
64: return 0;
1.1.2.3 misho 65: }
66:
1.1.2.4 misho 67: int
68: ub_load(const char *csSec)
69: {
70: const char *str;
71: size_t siz;
72:
1.1.2.5 misho 73: FTRACE(4);
74:
1.1.2.4 misho 75: str = cfg_getAttribute(&cfg, csSec, "size");
76: siz = strtol(str, NULL, 0);
77: if (!siz)
78: return -1;
79:
80: env = e_malloc(siz);
81: if (!env) {
82: ELIBERR(elwix);
83: return -1;
84: }
85:
1.1.2.7 misho 86: return ub_flash_io(csSec, O_RDONLY);
1.1.2.4 misho 87: }
88:
89: void
90: ub_unload()
91: {
1.1.2.5 misho 92: FTRACE(4);
93:
1.1.2.4 misho 94: if (env)
95: e_free(env);
96: }
97:
1.1.2.2 misho 98: const char*
1.1.2.5 misho 99: ub_getenv(const char *csSec, const char *csName)
1.1.2.2 misho 100: {
101: const char *str = NULL;
102:
1.1.2.3 misho 103: FTRACE(3);
104:
1.1.2.2 misho 105: return str;
106: }
107:
108: int
1.1.2.5 misho 109: ub_setenv(const char *csSec, const char *csName, const char *csValue)
1.1.2.2 misho 110: {
1.1.2.3 misho 111: FTRACE(3);
112:
1.1.2.2 misho 113: return 0;
114: }
1.1.2.9 ! misho 115:
! 116: int
! 117: ub_env(const char *csSec)
! 118: {
! 119: char *e, *nxt;
! 120: size_t dlen;
! 121: const char *str;
! 122:
! 123: FTRACE(3);
! 124:
! 125: str = cfg_getAttribute(&cfg, csSec, "size");
! 126: dlen = strtol(str, NULL, 0);
! 127: if (!dlen)
! 128: return -1;
! 129: else
! 130: dlen--;
! 131:
! 132: for (e = env->env_data; *e; e = nxt + 1) {
! 133: for (nxt = e; *nxt; nxt++)
! 134: if (nxt >= env->env_data + dlen) {
! 135: printf("Error:: environment not terminated\n");
! 136: return -1;
! 137: }
! 138:
! 139: printf("%s\n", e);
! 140: }
! 141:
! 142: return 0;
! 143: }
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