mirror of https://github.com/pygos/init.git
67 lines
972 B
C
67 lines
972 B
C
/* SPDX-License-Identifier: ISC */
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <errno.h>
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#include <stdio.h>
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#include "libcfg.h"
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int pack_argv(char *str)
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{
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char *dst, *start;
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int count = 0;
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dst = str;
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for (;;) {
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while (*str == ' ')
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++str;
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if (*str == '\0')
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break;
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if (*str == '"') {
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start = dst;
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*(dst++) = *(str++);
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while (*str != '"') {
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if (*str == '\0')
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goto fail_str;
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if (str[0] == '\\' && str[1] != '\0')
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*(dst++) = *(str++);
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*(dst++) = *(str++);
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}
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*(dst++) = *(str++);
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if (*str != ' ' && *str != '\0')
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goto fail_str;
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if (*str == ' ')
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++str;
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*(dst++) = '\0';
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if (unescape(start))
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goto fail_str;
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dst = start + strlen(start) + 1;
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} else {
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while (*str != '\0' && *str != ' ')
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*(dst++) = *(str++);
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if (*str == ' ') {
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++str;
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*(dst++) = '\0';
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}
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}
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++count;
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}
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*dst = '\0';
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return count;
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fail_str:
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errno = EINVAL;
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return -1;
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}
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