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c5aa6db64f
This is a simple function that will interpret a string as a whitespace delimited list of values, and add those values into the array. Note: this function does not (yet) offer to split by arbitrary delimiters, or keep empty values in case of runs of whitespace, or de-quote Unix shell style. All fo this functionality can be added later, when and if needed. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
107 lines
2.1 KiB
C
107 lines
2.1 KiB
C
#include "cache.h"
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#include "argv-array.h"
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#include "strbuf.h"
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const char *empty_argv[] = { NULL };
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void argv_array_init(struct argv_array *array)
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{
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array->argv = empty_argv;
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array->argc = 0;
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array->alloc = 0;
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}
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static void argv_array_push_nodup(struct argv_array *array, const char *value)
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{
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if (array->argv == empty_argv)
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array->argv = NULL;
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ALLOC_GROW(array->argv, array->argc + 2, array->alloc);
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array->argv[array->argc++] = value;
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array->argv[array->argc] = NULL;
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}
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void argv_array_push(struct argv_array *array, const char *value)
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{
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argv_array_push_nodup(array, xstrdup(value));
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}
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void argv_array_pushf(struct argv_array *array, const char *fmt, ...)
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{
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va_list ap;
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struct strbuf v = STRBUF_INIT;
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va_start(ap, fmt);
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strbuf_vaddf(&v, fmt, ap);
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va_end(ap);
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argv_array_push_nodup(array, strbuf_detach(&v, NULL));
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}
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void argv_array_pushl(struct argv_array *array, ...)
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{
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va_list ap;
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const char *arg;
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va_start(ap, array);
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while((arg = va_arg(ap, const char *)))
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argv_array_push(array, arg);
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va_end(ap);
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}
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void argv_array_pushv(struct argv_array *array, const char **argv)
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{
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for (; *argv; argv++)
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argv_array_push(array, *argv);
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}
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void argv_array_pop(struct argv_array *array)
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{
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if (!array->argc)
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return;
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free((char *)array->argv[array->argc - 1]);
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array->argv[array->argc - 1] = NULL;
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array->argc--;
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}
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void argv_array_split(struct argv_array *array, const char *to_split)
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{
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while (isspace(*to_split))
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to_split++;
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for (;;) {
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const char *p = to_split;
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if (!*p)
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break;
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while (*p && !isspace(*p))
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p++;
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argv_array_push_nodup(array, xstrndup(to_split, p - to_split));
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while (isspace(*p))
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p++;
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to_split = p;
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}
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}
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void argv_array_clear(struct argv_array *array)
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{
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if (array->argv != empty_argv) {
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int i;
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for (i = 0; i < array->argc; i++)
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free((char *)array->argv[i]);
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free(array->argv);
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}
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argv_array_init(array);
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}
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const char **argv_array_detach(struct argv_array *array)
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{
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if (array->argv == empty_argv)
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return xcalloc(1, sizeof(const char *));
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else {
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const char **ret = array->argv;
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argv_array_init(array);
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return ret;
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}
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}
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