mirror of https://gitlab.com/nakst/essence
38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <limits.h>
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#define _STRING(x) #x
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#define STRING(x) _STRING(x)
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int main(int argc, char **argv) {
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char buffer[PATH_MAX] = {}, change[PATH_MAX] = {}, sysroot[PATH_MAX] = {}, tool[PATH_MAX] = {};
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readlink("/proc/self/exe", buffer, sizeof(buffer));
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int directoryPosition = 0;
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for (int i = 0; buffer[i]; i++) if (buffer[i] == '/') directoryPosition = i;
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buffer[directoryPosition] = 0;
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for (int i = 0; buffer[i]; i++) if (buffer[i] == '/') directoryPosition = i;
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buffer[directoryPosition] = 0;
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for (int i = 0; buffer[i]; i++) if (buffer[i] == '/') directoryPosition = i;
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buffer[directoryPosition] = 0;
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strcpy(change, buffer);
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strcpy(sysroot, buffer);
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strcpy(tool, buffer);
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strcat(change, "/bin/change_sysroot");
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strcat(sysroot, "/root/");
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strcat(tool, "/cross/bin/" STRING(TOOL));
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// printf("'%s'\n", change);
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// printf("'%s'\n", sysroot);
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// printf("'%s'\n", tool);
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char **newArgv = (char **) calloc(sizeof(char *), (argc + 4));
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newArgv[0] = change;
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newArgv[1] = STRING(CONFIGURE_SYSROOT);
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newArgv[2] = sysroot;
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newArgv[3] = tool;
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memcpy(newArgv + 4, argv + 1, (argc - 1) * sizeof(char *));
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execv(newArgv[0], newArgv);
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return 0;
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}
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