diff options
author | Wolfgang Denk <wd@denx.de> | 2013-03-23 23:50:29 +0000 |
---|---|---|
committer | Tom Rini <trini@ti.com> | 2013-05-01 16:24:00 -0400 |
commit | 5a31ea04c9ee5544fbb70ad7597ea4b294840eab (patch) | |
tree | a6a8c141675e4a4f712aa05b9d2aa5792a0309dd /lib/hashtable.c | |
parent | ea009d4743ab4b801703982086e053e74266ff4c (diff) |
"env grep" - reimplement command using hexport_r()
Also drop hstrstr_r() which is not needed any more.
The new code is way more flexible.
Signed-off-by: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'lib/hashtable.c')
-rw-r--r-- | lib/hashtable.c | 64 |
1 files changed, 28 insertions, 36 deletions
diff --git a/lib/hashtable.c b/lib/hashtable.c index 305824b6ea..1703941a5a 100644 --- a/lib/hashtable.c +++ b/lib/hashtable.c @@ -210,29 +210,6 @@ void hdestroy_r(struct hsearch_data *htab) * example for functions like hdelete(). */ -/* - * hstrstr_r - return index to entry whose key and/or data contains match - */ -int hstrstr_r(const char *match, int last_idx, ENTRY ** retval, - struct hsearch_data *htab) -{ - unsigned int idx; - - for (idx = last_idx + 1; idx < htab->size; ++idx) { - if (htab->table[idx].used <= 0) - continue; - if (strstr(htab->table[idx].entry.key, match) || - strstr(htab->table[idx].entry.data, match)) { - *retval = &htab->table[idx].entry; - return idx; - } - } - - __set_errno(ESRCH); - *retval = NULL; - return 0; -} - int hmatch_r(const char *match, int last_idx, ENTRY ** retval, struct hsearch_data *htab) { @@ -563,23 +540,38 @@ static int cmpkey(const void *p1, const void *p2) return (strcmp(e1->key, e2->key)); } -static int match_strings(ENTRY *ep, int flag, +static int match_string(int flag, const char *str, const char *pat) +{ + switch (flag & H_MATCH_METHOD) { + case H_MATCH_IDENT: + if (strcmp(str, pat) == 0) + return 1; + break; + case H_MATCH_SUBSTR: + if (strstr(str, pat)) + return 1; + break; + default: + printf("## ERROR: unsupported match method: 0x%02x\n", + flag & H_MATCH_METHOD); + break; + } + return 0; +} + +static int match_entry(ENTRY *ep, int flag, int argc, char * const argv[]) { int arg; - for (arg = 0; arg < argc; ++arg) { + for (arg = 1; arg < argc; ++arg) { if (flag & H_MATCH_KEY) { - switch (flag & H_MATCH_METHOD) { - case H_MATCH_IDENT: - if (strcmp(argv[arg], ep->key) == 0) - return 1; - break; - default: - printf("## ERROR: unsupported match method: 0x%02x\n", - flag & H_MATCH_METHOD); - break; - } + if (match_string(flag, ep->key, argv[arg])) + return 1; + } + if (flag & H_MATCH_DATA) { + if (match_string(flag, ep->data, argv[arg])) + return 1; } } return 0; @@ -611,7 +603,7 @@ ssize_t hexport_r(struct hsearch_data *htab, const char sep, int flag, if (htab->table[i].used > 0) { ENTRY *ep = &htab->table[i].entry; - int found = match_strings(ep, flag, argc, argv); + int found = match_entry(ep, flag, argc, argv); if ((argc > 0) && (found == 0)) continue; |