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ossp - ossp-pkg/var/var_test.c 1.7
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ossp-pkg/var/var_test.c 1.7
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "var.h"

static int env_lookup(void *context,
		      const char *varname, size_t name_len,
		      const char **data, size_t * data_len,
		      size_t * buffer_size)
{
    char tmp[256];

    if (name_len > sizeof(tmp) - 1) {
	/* Callback can't expand variable names longer than
	   sizeof(tmp) characters. */

	return VAR_CALLBACK_ERROR;
    }
    memcpy(tmp, varname, name_len);
    tmp[name_len] = '\0';
    *data = getenv(tmp);
    if (*data == NULL)
	return 0;
    *data_len = strlen(*data);
    *buffer_size = 0;
    return 1;
}

struct test_case {
    const char *input;
    const char *expected;
};

int main(int argc, char **argv)
{
    const struct test_case tests[] = {
	{"$HOME", "/home/regression-tests"},
	{"${FOO}", "os"},
	{"${BAR}", "type"},
	{"${${FOO:u}${BAR:u}:l:u}", "REGRESSION-OS"},
	{"${UNDEFINED}", "${UNDEFINED}"},
	{"${OSTYPE:#}", "13"},
	{"${EMPTY:-test${FOO}test}", "testostest"},
	{"${EMPTY:-test${FOO:u}test}", "testOStest"},
	{"${TERM:-test${FOO}test}", "regression-term"},
	{"${EMPTY:+FOO}", ""},
	{"${HOME:+test${FOO}test}", "testostest"},
	{"${HOME:+${OS${BAR:u}}}", "regression-os"},
	{"${HOME:+OS${UNDEFINED:u}}", "OS${UNDEFINED:u}"},
	{"${UNDEFINED:+OS${BAR:u}}", "${UNDEFINED:+OS${BAR:u}}"},
	{"${HOME:*heinz}", ""},
	{"${EMPTY:*claus}", "claus"},
	{"${TERM}", "regression-term"},
	{"${HOME:s/reg/bla/}", "/home/blaression-tests"},
	{"${HOME:s/e/bla/}", "/hombla/regression-tests"},
	{"${HOME:s/e/bla/g}", "/hombla/rblagrblassion-tblasts"},
	{"${HOME:s/\\//_/g}", "_home_regression-tests"},
	{"${HOME:s/[eso]/_/g}", "/h_m_/r_gr___i_n-t__t_"},
	{"${HOME:s/[esO]/_/g}", "/hom_/r_gr___ion-t__t_"},
	{"${HOME:s/[esO]/_/gi}", "/h_m_/r_gr___i_n-t__t_"},
	{"${OSTYPE:s/^[re]/_/g}", "_egression-os"},
	{"${EMPTY:s/^[re]/_/g}", ""},
	{"${HOME:s/.*/heinz/}", "heinz"},
	{"${HOME:s/e/bla/t}", "/hombla/regression-tests"},
	{"${HOME:s/E/bla/t}", "/home/regression-tests"},
	{"${HOME:s/E/bla/ti}", "/hombla/regression-tests"},
	{"${HOME:s/E/bla/tig}", "/hombla/rblagrblassion-tblasts"},
	{"${HOME:o1-5}", "home/"},
	{"${HOME:o1,5}", "home"},
	{"${HOME:o5,}", "/regression-tests"},
	{"${HOME:o5-}", "/regression-tests"},
	{"${HOME:o7,13}", "egress"},
	{"${HOME:y/a-z/A-YZ/}", "/HOME/REGRESSION-TESTS"},
	{"${HOME:y/e-g/a-c/}", "/homa/racrassion-tasts"},
	{"${FOO:p/15/../l}", "os............."},
	{"${FOO:p/15/12345/l}", "os1234512345123"},
	{"${FOO:p/15/../r}", ".............os"},
	{"${FOO:p/15/12345/r}", "1234512345123os"},
	{"${FOO:p/15/../c}", "......os......."},
	{"${FOO:p/15/12345/c}", "123451os1234512"},
	{"${FOO:s/os/\\x{4F}\\123/g}", "OS"},
	{"${FOO:s/os/\\1\\x4F\\123/t}", "\\1OS"},
	{"${HOME:s/g(res)s/x\\1x/g}", "/home/rexresxion-tests"},
	{"${HOME:s/(s+)/_\\1_/g}", "/home/regre_ss_ion-te_s_t_s_"},
	{"${HOME:s/\\x65/\\x45/g}", "/homE/rEgrEssion-tEsts"},
	{"${HOME:s/(s*)/x\\1X/g}",
	 "xXxXxXxXxXxXxXxXxXxXxXxssXxXxXxXxXxXxXxsXxXxsX"},
	{"${HOME:s/./\\\\/g}",
	 "\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"}
    };
    char *tmp;
    size_t tmp_len;
    var_rc_t rc;
    size_t i;
    char buffer[1024];

    if (setenv("HOME", "/home/regression-tests", 1) != 0 ||
	setenv("OSTYPE", "regression-os", 1) != 0 ||
	setenv("TERM", "regression-term", 1) != 0 ||
	setenv("FOO", "os", 1) != 0 ||
	setenv("BAR", "type", 1) != 0 || setenv("EMPTY", "", 1) != 0) {
	printf("Failed to set the environment: %s.\n", strerror(errno));
	return 1;
    }
    unsetenv("UNDEFINED");

    for (i = 0; i < sizeof(tests) / sizeof(struct test_case); ++i) {
#ifdef DEBUG
	printf("Test case #%02d: Original input is '%s'.\n", i,
	       tests[i].input);
#endif
	rc = var_unescape(tests[i].input, strlen(tests[i].input), buffer,
			  0);
	if (rc != VAR_OK) {
	    printf
		("Test case #%d: First var_unescape() failed with return code %d.\n",
		 i, rc);
	    return 1;
	}
#ifdef DEBUG
	printf("Test case #%02d: Unescaped input is '%s'.\n", i, buffer);
#endif
	rc = var_expand(buffer, strlen(buffer), &tmp, &tmp_len,
			&env_lookup, NULL, NULL, 0);
	if (rc != VAR_OK) {
	    printf
		("Test case #%d: var_expand() failed with return code %d.\n",
		 i, rc);
	    return 1;
	}
#ifdef DEBUG
	printf("Test case #%02d: Expanded output is '%s'.\n", i, tmp);
#endif
	if (tmp_len != strlen(tests[i].expected) || tmp == NULL
	    || memcmp(tests[i].expected, tmp, tmp_len) != 0) {
	    printf("Test case #%d: Expected result '%s' but got '%s'.\n",
		   i, tests[i].expected, tmp);
	    return 1;
	}
	free(tmp);
    }

    return 0;
}

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