41 lines
847 B
C
41 lines
847 B
C
#include <unistd.h>
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#include <sys/types.h>
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#include <errno.h>
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#include <libowfat/errmsg.h>
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#include <libowfat/buffer.h>
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static void carpsysargs(char *args[])
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{
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buffer_puts(buffer_2, "failed to exec");
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while (*args) {
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buffer_puts(buffer_2, " \'");
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buffer_puts(buffer_2, *args);
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buffer_puts(buffer_2, "'");
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args++;
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}
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buffer_puts(buffer_2, ": ");
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buffer_puts(buffer_2, strerror(errno));
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buffer_puts(buffer_2, "\n");
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buffer_flush(buffer_2);
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}
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pid_t spawnchild(char *args[], int infd, int outfd, int errfd)
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{
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pid_t pid = fork();
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switch (pid) {
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case -1: carpsys("fork: "); return -1;
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case 0:
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// TODO pipe
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if (dup2(1, outfd)<0
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|| dup2(2, errfd)<0
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) {
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carpsys("dup2");
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return -1;
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}
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execvp(args[0], args);
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carpsysargs(args);
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return -1;
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default:
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return pid;
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}
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}
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