mirror of
https://github.com/troydhanson/tpl.git
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64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
#include <unistd.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/fcntl.h>
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#include <fcntl.h>
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#include <errno.h>
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#include "tpl.h"
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#define DEBUG 0
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#define FILE_BUFLEN 500
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extern tpl_hook_t tpl_hook;
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int num_tpls = 0, sum_tpls = 0;
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int tpl_cb(void *tpl, size_t tpllen, void*data) {
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int i;
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tpl_node *tn;
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tpl_hook.oops = printf;
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if (DEBUG) printf("obtained tpl of length %d\n", (int)tpllen);
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tn = tpl_map("A(i)", &i);
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tpl_load(tn, TPL_MEM, tpl, tpllen);
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num_tpls++;
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while (tpl_unpack(tn,1) > 0) sum_tpls += i;
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tpl_free(tn);
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/* this next line is a hack to test the callback's ability
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* to abort further tpl processing by returning < 0 */
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if (num_tpls == 3) return -1;
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return 0;
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}
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int main(int argc, char *argv[]) {
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char *files[] = {"test54_0.tpl", "test54_1.tpl", "test54_2.tpl", "test54_3.tpl","test54_4.tpl", NULL};
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char **f;
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char buf[FILE_BUFLEN];
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int rc,fd;
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tpl_gather_t *gs=NULL;
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for (f = files; *f; f++) {
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if (DEBUG) printf("file is %s\n", *f);
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if ( ( fd = open(*f, O_RDONLY) ) == -1) {
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printf("error - can't open %s: %s\n", *f, strerror(errno));
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exit(-1);
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}
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rc = read(fd,&buf,FILE_BUFLEN); /* read whole file (no points for style) */
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if (rc == -1) {
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printf("error - can't read %s: %s\n", *f, strerror(errno));
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exit(-1);
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}
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if (tpl_gather(TPL_GATHER_MEM,buf, rc, &gs, tpl_cb, NULL) <= 0) {
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printf("tpl_gather_mem returned <= 0, exiting\n");
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exit(-1);
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}
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close(fd);
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}
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printf("num_tpls: %d, sum: %d\n", num_tpls, sum_tpls);
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return(0);
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}
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