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ossp - ossp-pkg/var/var_test.c 1.9
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ossp-pkg/var/var_test.c 1.9
#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_ERR_CALLBACK;
    }
    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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