52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
#include "cache.h"
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#include "argv-array.h"
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#include "strbuf.h"
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static const char *empty_argv_storage = NULL;
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const char **empty_argv = &empty_argv_storage;
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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_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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