diff options
Diffstat (limited to 'strvec.c')
| -rw-r--r-- | strvec.c | 42 |
1 files changed, 40 insertions, 2 deletions
@@ -1,6 +1,5 @@ #include "git-compat-util.h" #include "strvec.h" -#include "hex.h" #include "strbuf.h" const char *empty_strvec[] = { NULL }; @@ -11,7 +10,7 @@ void strvec_init(struct strvec *array) memcpy(array, &blank, sizeof(*array)); } -static void strvec_push_nodup(struct strvec *array, const char *value) +void strvec_push_nodup(struct strvec *array, char *value) { if (array->v == empty_strvec) array->v = NULL; @@ -57,6 +56,45 @@ void strvec_pushv(struct strvec *array, const char **items) strvec_push(array, *items); } +void strvec_splice(struct strvec *array, size_t idx, size_t len, + const char **replacement, size_t replacement_len) +{ + if (idx + len > array->nr) + BUG("range outside of array boundary"); + if (replacement_len > len) + ALLOC_GROW(array->v, array->nr + (replacement_len - len) + 1, + array->alloc); + for (size_t i = 0; i < len; i++) + free((char *)array->v[idx + i]); + if (replacement_len != len) { + memmove(array->v + idx + replacement_len, array->v + idx + len, + (array->nr - idx - len + 1) * sizeof(char *)); + array->nr += (replacement_len - len); + } + for (size_t i = 0; i < replacement_len; i++) + array->v[idx + i] = xstrdup(replacement[i]); +} + +const char *strvec_replace(struct strvec *array, size_t idx, const char *replacement) +{ + char *to_free; + if (idx >= array->nr) + BUG("index outside of array boundary"); + to_free = (char *) array->v[idx]; + array->v[idx] = xstrdup(replacement); + free(to_free); + return array->v[idx]; +} + +void strvec_remove(struct strvec *array, size_t idx) +{ + if (idx >= array->nr) + BUG("index outside of array boundary"); + free((char *)array->v[idx]); + memmove(array->v + idx, array->v + idx + 1, (array->nr - idx) * sizeof(char *)); + array->nr--; +} + void strvec_pop(struct strvec *array) { if (!array->nr) |