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blob: add strspn helpers

cute-signatures
Timo Teras 2009-04-14 18:46:35 +03:00
parent 024480aca0
commit 7cef96c30d
2 changed files with 37 additions and 1 deletions
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10
src/apk_blob.h
View File

@ -23,12 +23,20 @@ typedef struct apk_blob apk_blob_t;
#define APK_BLOB_IS_NULL(blob) (blob.ptr == NULL)
#define APK_BLOB_NULL ((apk_blob_t){0, NULL})
#define APK_BLOB_STR(str) ((apk_blob_t){strlen(str), (void *)(str)})
#define APK_BLOB_BUF(buf) ((apk_blob_t){sizeof(buf), (char *)(buf)})
#define APK_BLOB_PTR_LEN(beg,len) ((apk_blob_t){(len), (beg)})
#define APK_BLOB_PTR_PTR(beg,end) APK_BLOB_PTR_LEN((beg),(end)-(beg)+1)
static inline apk_blob_t APK_BLOB_STR(const char *str)
{
if (str == NULL)
return APK_BLOB_NULL;
return ((apk_blob_t){strlen(str), (void *)(str)});
}
char *apk_blob_cstr(apk_blob_t str);
int apk_blob_spn(apk_blob_t blob, const char *accept, apk_blob_t *l, apk_blob_t *r);
int apk_blob_cspn(apk_blob_t blob, const char *reject, apk_blob_t *l, apk_blob_t *r);
int apk_blob_splitstr(apk_blob_t blob, const char *split, apk_blob_t *l, apk_blob_t *r);
int apk_blob_rsplit(apk_blob_t blob, char split, apk_blob_t *l, apk_blob_t *r);
unsigned apk_blob_uint(apk_blob_t blob, int base);

28
src/blob.c
View File

@ -31,6 +31,34 @@ char *apk_blob_cstr(apk_blob_t blob)
return cstr;
}
int apk_blob_spn(apk_blob_t blob, const char *accept, apk_blob_t *l, apk_blob_t *r)
{
int i;
for (i = 0; i < blob.len; i++) {
if (strchr(accept, blob.ptr[i]) == NULL) {
*l = APK_BLOB_PTR_LEN(blob.ptr, i);
*r = APK_BLOB_PTR_LEN(blob.ptr+i, blob.len-i);
return 1;
}
}
return 0;
}
int apk_blob_cspn(apk_blob_t blob, const char *reject, apk_blob_t *l, apk_blob_t *r)
{
int i;
for (i = 0; i < blob.len; i++) {
if (strchr(reject, blob.ptr[i]) != NULL) {
*l = APK_BLOB_PTR_LEN(blob.ptr, i);
*r = APK_BLOB_PTR_LEN(blob.ptr+i, blob.len-i);
return 1;
}
}
return 0;
}
int apk_blob_rsplit(apk_blob_t blob, char split, apk_blob_t *l, apk_blob_t *r)
{
char *sep;