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spawnvp.c
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C/C++ Source or Header
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1993-05-25
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1KB
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50 lines
/* spawnvp, spawnlp: try to execute a program on the default system
execution path. WARNING: the current directory is always searched
first.
Written by Eric R. Smith and placed in the public domain.
Rehacked by Uwe Ohse, 3.5.93: uses buffindfile
*/
#include <stdio.h>
#include <stdlib.h>
#include <process.h>
#include <stdarg.h>
#include <errno.h>
#include <support.h>
#include <limits.h>
static char *extensions[] = { "ttp", "prg", "tos", NULL };
#ifdef __STDC__
int spawnvp(int mode, char *name, char **argv)
#else
int spawnvp(mode, name, argv) int mode; char *name; char **argv;
#endif
{
char *execname;
char buffer[PATH_MAX];
execname = buffindfile(name, getenv("PATH"), extensions,buffer);
if (!execname) {
errno = ENOENT;
return -1; /* file not found */
}
return spawnve(mode, execname, argv, (char **)NULL);
}
#ifdef __STDC__
int spawnlp(int mode, char *name, ...)
#else
int spawnlp(mode, name) int mode; char *name;
#endif
{
va_list args;
int r;
va_start(args, name);
r = spawnvp(mode, name, (char **)args);
va_end(args);
return r;
}